/* ============================================
   Masic AI Vision Platform — Design System
   ============================================ */

/* --- Design Tokens --- */
:root {
    /* Colors */
    --color-primary: #a7002b;
    --color-primary-hover: #c4123d;
    --color-primary-light: rgba(167, 0, 43, 0.08);
    --color-primary-lighter: rgba(167, 0, 43, 0.04);

    --color-dark: #232f5c;
    --color-dark-hover: #2d3a6e;

    --color-text: #373f46;
    --color-text-secondary: #818891;
    --color-text-light: #a0a6ad;
    --color-text-inverse: #ffffff;

    --color-bg: #f2f2f2;
    --color-bg-white: #ffffff;
    --color-bg-sidebar: #fafbfc;
    --color-bg-hover: #f5f6f7;
    --color-bg-active: #eef0f3;

    --color-border: #e2e5e8;
    --color-border-light: #eef0f2;

    /* Status Colors */
    --color-success: #22c55e;
    --color-success-bg: rgba(34, 197, 94, 0.08);
    --color-warning: #f59e0b;
    --color-warning-bg: rgba(245, 158, 11, 0.08);
    --color-danger: #ef4444;
    --color-danger-bg: rgba(239, 68, 68, 0.08);
    --color-info: #3b82f6;
    --color-info-bg: rgba(59, 130, 246, 0.08);

    /* Typography */
    --font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 0.875rem;
    --font-size-md: 0.9375rem;
    --font-size-lg: 1rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;

    --font-weight-normal: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 10px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Layout */
    --topnav-height: 56px;
    --sidebar-width: 320px;
    --detail-panel-width: 400px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.hidden { display: none !important; }

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    overflow: hidden;
    height: 100vh;
}

.mb-2 { margin-bottom: var(--space-2); }
.text-muted { color: var(--color-text-secondary); }

/* ============================================
   LOGIN SCREEN
   ============================================ */
.login-screen {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, var(--color-dark) 0%, #1a2348 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.login-container {
    width: 100%;
    max-width: 800px;
    padding: var(--space-8);
}

.login-header {
    text-align: center;
    margin-bottom: var(--space-10);
}

.login-logo {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    background: var(--color-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-logo i {
    font-size: var(--font-size-2xl);
    color: var(--color-text-inverse);
}

.login-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-inverse);
    margin-bottom: var(--space-2);
}

.login-header p {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-md);
}

.login-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.login-card {
    background: var(--color-bg-white);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.login-card__icon {
    font-size: var(--font-size-2xl);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.login-card h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    margin-bottom: var(--space-3);
}

.login-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.login-card__buttons {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

/* ============================================
   TOP NAVIGATION
   ============================================ */
.top-nav {
    height: var(--topnav-height);
    background: var(--color-dark);
    color: var(--color-text-inverse);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(35, 47, 92, 0.3);
}

.top-nav__inner {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 0 var(--space-6);
}

.top-nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-inverse);
    text-decoration: none;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    padding-right: var(--space-8);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    margin-right: var(--space-8);
}

.top-nav__logo i {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
}

.top-nav__links {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    overflow-x: auto;
}

.top-nav__link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.top-nav__link i { font-size: var(--font-size-base); }

.top-nav__link:hover {
    color: var(--color-text-inverse);
    background: rgba(255, 255, 255, 0.08);
}

.top-nav__link.active {
    color: var(--color-text-inverse);
    background: var(--color-primary);
}

.top-nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-left: auto;
}

.user-avatar {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-inverse);
    cursor: pointer;
}

.user-dropdown {
    position: absolute;
    top: calc(var(--topnav-height) - 4px);
    right: var(--space-4);
    width: 220px;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: 1001;
}

.user-dropdown.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown__header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.user-dropdown__name {
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    font-size: var(--font-size-sm);
}

.user-dropdown__role {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.user-dropdown__divider {
    height: 1px;
    background: var(--color-border);
}

.user-dropdown__item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: none;
    background: none;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
    text-align: left;
}

.user-dropdown__item:hover {
    background: var(--color-bg-hover);
}

/* ============================================
   APP LAYOUT
   ============================================ */
.app-layout {
    display: flex;
    margin-top: var(--topnav-height);
    height: calc(100vh - var(--topnav-height));
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--color-bg-white);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
}

.sidebar__title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar__title i { color: var(--color-primary); }

.sidebar__tree {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-3) 0;
}

.sidebar__tree::-webkit-scrollbar { width: 5px; }
.sidebar__tree::-webkit-scrollbar-track { background: transparent; }
.sidebar__tree::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

.sidebar__footer {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-sidebar);
}

.sidebar__stats { display: flex; gap: var(--space-6); }

.sidebar__stat {
    text-align: center;
    flex: 1;
}

.sidebar__stat-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    line-height: 1.2;
}

.sidebar__stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Tree Nodes */
.tree-node { user-select: none; }

.tree-node__header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    cursor: pointer;
    transition: background var(--transition-fast);
    border-radius: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    position: relative;
}

.tree-node__header:hover { background: var(--color-bg-hover); }

.tree-node__header--active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.tree-node__toggle {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: var(--color-text-light);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.tree-node__toggle--expanded { transform: rotate(90deg); }
.tree-node__toggle--hidden { visibility: hidden; }

.tree-node__icon {
    width: 20px;
    text-align: center;
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.tree-node__icon--customer { color: var(--color-dark); }
.tree-node__icon--site { color: var(--color-info); }
.tree-node__icon--equipment { color: var(--color-warning); }
.tree-node__icon--camera { color: var(--color-primary); }

.tree-node__label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tree-node__badge {
    font-size: 0.65rem;
    padding: 1px 6px;
    border-radius: var(--radius-full);
    background: var(--color-bg-active);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
    flex-shrink: 0;
}

.tree-node__children {
    display: none;
    padding-left: var(--space-4);
}

.tree-node__children--expanded { display: block; }

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-8);
    background: var(--color-bg);
}

.main-content::-webkit-scrollbar { width: 6px; }
.main-content::-webkit-scrollbar-track { background: transparent; }
.main-content::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

/* Views */
.view { animation: fadeIn var(--transition-base); }
.view.hidden { display: none; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.view__header {
    margin-bottom: var(--space-8);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
}

.view__header h1 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    margin-bottom: var(--space-1);
}

.view__header p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
}

.view__header-actions { display: flex; gap: var(--space-3); align-items: center; }

/* ============================================
   STAT CARDS
   ============================================ */
.dashboard__stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-8);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    background: var(--color-bg-white);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-card__icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    flex-shrink: 0;
}

.stat-card--blue .stat-card__icon { background: var(--color-info-bg); color: var(--color-info); }
.stat-card--yellow .stat-card__icon { background: var(--color-warning-bg); color: var(--color-warning); }
.stat-card--green .stat-card__icon { background: var(--color-success-bg); color: var(--color-success); }
.stat-card--red .stat-card__icon { background: var(--color-danger-bg); color: var(--color-danger); }

.stat-card__content { display: flex; flex-direction: column; }

.stat-card__value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    line-height: 1.2;
}

.stat-card__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: 2px;
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--color-bg-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    margin-bottom: var(--space-6);
}

.card__header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-sidebar);
}

.card__title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
}

.card__title i { color: var(--color-primary); font-size: var(--font-size-base); }
.card__body { padding: var(--space-6); }

/* Quick Actions Grid */
.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-4);
}

.quick-action-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-6);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    text-align: center;
}

.quick-action-item:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.quick-action-item i {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
}

.quick-action-item span {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

/* System Status List */
.system-status-list { display: flex; flex-direction: column; gap: var(--space-3); }

.system-status-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.system-status-item__name {
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.status-badge {
    font-size: var(--font-size-xs);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
}

.status-badge--online {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.status-badge--limited {
    background: var(--color-warning-bg);
    color: var(--color-warning);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.5;
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

.btn--primary:hover { background: var(--color-primary-hover); }
.btn--primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn--outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn--outline:hover { background: var(--color-bg-hover); }

.btn--sm { padding: var(--space-1) var(--space-3); font-size: var(--font-size-xs); }
.btn--lg { padding: var(--space-3) var(--space-8); font-size: var(--font-size-md); }
.btn--full { width: 100%; }

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-select {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    background: var(--color-bg-white);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    width: 100%;
    transition: border-color var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-sm);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* ============================================
   TABLE
   ============================================ */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table thead th {
    text-align: left;
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-sidebar);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--color-border);
}

.table tbody td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
    color: var(--color-text);
}

.table tbody tr:hover { background: var(--color-bg-hover); }

.table .action-btn {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: var(--font-size-sm);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.table .action-btn:hover { background: var(--color-primary-light); }

/* Reason Badge */
.reason-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
}

.reason-badge--metadata { background: var(--color-info-bg); color: var(--color-info); }
.reason-badge--corruption { background: var(--color-danger-bg); color: var(--color-danger); }
.reason-badge--security { background: var(--color-warning-bg); color: var(--color-warning); }
.reason-badge--duplicate { background: var(--color-bg-active); color: var(--color-text-secondary); }

/* ============================================
   UPLOAD WIZARD
   ============================================ */
.upload-wizard { max-width: 800px; }

.wizard-steps {
    display: flex;
    gap: 4px;
    margin-bottom: var(--space-8);
}

.wizard-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    position: relative;
}

.wizard-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 16px;
    left: 60%;
    width: 80%;
    height: 2px;
    background: var(--color-border);
}

.wizard-step--completed:not(:last-child)::after {
    background: var(--color-success);
}

.wizard-step__number {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--color-bg-active);
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    position: relative;
    z-index: 1;
    transition: all var(--transition-fast);
}

.wizard-step--active .wizard-step__number {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.wizard-step--completed .wizard-step__number {
    background: var(--color-success);
    color: var(--color-text-inverse);
}

.wizard-step__label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
}

.wizard-step--active .wizard-step__label { color: var(--color-primary); }
.wizard-step--completed .wizard-step__label { color: var(--color-success); }

.wizard-panel { min-height: 300px; }
.wizard-nav {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

/* Drop Zone */
.upload-dropzone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-12);
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.upload-dropzone:hover,
.upload-dropzone--dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-lighter);
}

.upload-dropzone__icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.upload-dropzone__content h3 {
    font-size: var(--font-size-lg);
    color: var(--color-dark);
    margin-bottom: var(--space-2);
}

.upload-dropzone__content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.upload-dropzone__hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

/* File List */
.file-list {
    margin-top: var(--space-6);
}

.file-list__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.file-list__header h4 {
    font-size: var(--font-size-md);
    color: var(--color-dark);
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
}

.file-item__icon {
    width: 36px;
    height: 36px;
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.file-item__info { flex: 1; }

.file-item__name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.file-item__size {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.file-item__progress {
    width: 100px;
    height: 4px;
    background: var(--color-bg-active);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.file-item__progress-bar {
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width 0.3s ease;
}

/* Category Mapping */
.category-mapping h3 {
    font-size: var(--font-size-lg);
    color: var(--color-dark);
    margin-bottom: var(--space-2);
}

.mapping-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
}

.mapping-item__icon {
    width: 40px;
    height: 40px;
    background: var(--color-info-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-info);
}

.mapping-item__info { flex: 1; }

.mapping-item__name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.mapping-item__select {
    width: 200px;
}

/* Processing Pipeline */
.processing-pipeline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: var(--space-8);
}

.pipeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    position: relative;
}

.pipeline-step__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--color-bg-active);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
    transition: all var(--transition-fast);
}

.pipeline-step--active .pipeline-step__icon {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    animation: pulse 1.5s infinite;
}

.pipeline-step--completed .pipeline-step__icon {
    background: var(--color-success);
    color: var(--color-text-inverse);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(167, 0, 43, 0.4); }
    50% { box-shadow: 0 0 0 12px rgba(167, 0, 43, 0); }
}

.pipeline-step__label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-align: center;
}

.pipeline-step--active .pipeline-step__label { color: var(--color-primary); }
.pipeline-step--completed .pipeline-step__label { color: var(--color-success); }

.pipeline-step__connector {
    width: 60px;
    height: 2px;
    background: var(--color-border);
    margin: 0 var(--space-2);
    align-self: center;
    margin-bottom: var(--space-10);
}

.pipeline-step__connector--completed { background: var(--color-success); }

/* Category Buckets */
.category-buckets h3 {
    font-size: var(--font-size-lg);
    color: var(--color-dark);
    margin-bottom: var(--space-2);
}

.bucket-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.bucket-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    text-align: center;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.bucket-card--good { border-color: var(--color-success); }
.bucket-card--bad { border-color: var(--color-danger); }
.bucket-card--unsorted { border-color: var(--color-warning); }

.bucket-card__icon {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-2);
}

.bucket-card--good .bucket-card__icon { color: var(--color-success); }
.bucket-card--bad .bucket-card__icon { color: var(--color-danger); }
.bucket-card--unsorted .bucket-card__icon { color: var(--color-warning); }

.bucket-card__name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.bucket-card__count {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
}

/* Compliance Gate */
.compliance-gate {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.compliance-gate h3 {
    font-size: var(--font-size-lg);
    color: var(--color-dark);
    margin-bottom: var(--space-6);
}

.compliance-check {
    text-align: left;
    margin-bottom: var(--space-6);
}

.compliance-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--color-success-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
}

.compliance-item i { color: var(--color-success); }

.compliance-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

/* ============================================
   QUARANTINE FILTERS
   ============================================ */
.quarantine__filters {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.quarantine__search {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0 var(--space-3);
    flex: 1;
    max-width: 300px;
}

.quarantine__search i { color: var(--color-text-light); }

.quarantine__search input {
    border: none;
    outline: none;
    padding: var(--space-2);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    width: 100%;
}

/* ============================================
   GALLERY
   ============================================ */
.gallery-layout { display: flex; flex-direction: column; gap: 0; }

.gallery__toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-4) var(--space-6);
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow-sm);
}

.gallery__filters {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.gallery__search {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0 var(--space-3);
}

.gallery__search i { color: var(--color-text-light); font-size: var(--font-size-sm); }

.gallery__search input {
    border: none;
    outline: none;
    padding: var(--space-2) 0;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    width: 180px;
    background: transparent;
}

/* View Toggle */
.gallery__view-toggle {
    display: flex;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 2px;
    gap: 2px;
}

.gallery__view-toggle .btn--sm {
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-md);
    font-size: 11px;
}

.gallery__view-toggle .btn--sm.active {
    background: var(--color-bg-white);
    color: var(--color-primary);
    border-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.gallery__count {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-4);
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-bg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.gallery-item:hover {
    border-color: var(--color-primary);
    transform: scale(1.02);
}

.gallery-item--selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-item__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-active) 100%);
    color: var(--color-text-light);
    font-size: var(--font-size-2xl);
}

.gallery-item__check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.gallery-item:hover .gallery-item__check,
.gallery-item--selected .gallery-item__check { opacity: 1; }

.gallery-item__label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-2);
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: var(--color-text-inverse);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
}

/* Gallery Preview View */
.gallery-preview {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    height: calc(100vh - var(--topnav-height) - 120px);
    padding: var(--space-4);
    position: relative;
}

.gallery-preview__content {
    display: flex;
    gap: var(--space-4);
    flex: 1;
    min-height: 0;
}

.gallery-preview__image-panel {
    flex: 1;
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    position: relative;
    display: flex;
    flex-direction: column;
}

.gallery-preview__image-wrapper {
    flex: 1;
    min-height: 0;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.gallery-preview__image-wrapper:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.gallery-preview__image {
    max-width: 100%;
    max-height: 100%;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gallery-preview__fallback {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-active) 100%);
    color: var(--color-text-light);
    font-size: 4rem;
    width: 100%;
    height: 100%;
}

.gallery-preview__image-actions {
    display: flex;
    gap: var(--space-2);
    padding-top: var(--space-3);
    justify-content: center;
}

.gallery-preview__info-panel {
    width: 280px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    overflow-y: auto;
}

.gallery-preview__info-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.gallery-preview__info-header .gallery-preview__filename {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    word-break: break-word;
    line-height: 1.4;
    margin: 0;
}

.gallery-preview__section {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.gallery-preview__section-title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
}

.gallery-preview__section-title i {
    color: var(--color-primary);
}

.gallery-preview__meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
}

.gallery-preview__meta-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--space-2);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
}

.gallery-preview__meta-item-label {
    font-size: 10px;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.gallery-preview__meta-item-value {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.gallery-preview__meta-item-value--status {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.gallery-preview__classifications {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.gallery-preview__classification {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.gallery-preview__classification--pass {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.gallery-preview__classification--fail {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

.gallery-preview__annotations {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.gallery-preview__annotation-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.gallery-preview__annotation-status--active {
    background: var(--color-info-bg);
    color: var(--color-info);
}

.gallery-preview__quick-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

.gallery-preview__quick-actions-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
}

.gallery-preview__footer {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.gallery-preview__thumbnails {
    display: flex;
    gap: var(--space-2);
    overflow-x: auto;
    padding-bottom: var(--space-2);
    justify-content: center;
}

.gallery-preview__thumb {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--color-border);
    transition: all var(--transition-fast);
    position: relative;
}

.gallery-preview__thumb:hover {
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.gallery-preview__thumb--active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-light);
}

.gallery-preview__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-preview__thumb-placeholder {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    color: var(--color-text-light);
}

.gallery-preview__thumb-placeholder i {
    font-size: var(--font-size-md);
}

/* Hide old info styles when using new layout */
.gallery-preview__info {
    display: none;
}

.gallery-preview__filename {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    word-break: break-all;
    line-height: 1.4;
}

.gallery-preview__meta {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.gallery-preview__meta span {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.gallery-preview__badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
}

.gallery-preview__counter {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    padding-top: var(--space-2);
    border-top: 1px solid var(--color-border);
}

.gallery-preview__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-text);
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
}

.gallery-preview__nav:hover:not(:disabled) {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
    box-shadow: var(--shadow-lg);
}

.gallery-preview__nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.gallery-preview__nav--prev { left: var(--space-3); }
.gallery-preview__nav--next { right: var(--space-3); }

.gallery-preview-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 400px;
    color: var(--color-text-light);
    text-align: center;
}

.gallery-preview-empty i {
    font-size: 3rem;
    margin-bottom: var(--space-4);
    opacity: 0.3;
}

.gallery-preview-empty p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
}

/* ============================================
   MODEL COMPARISON
   ============================================ */
.model-comparison-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: var(--space-6);
    min-height: 500px;
}

.model-comparison__config {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.config-section {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
}

.config-section__title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    margin-bottom: var(--space-4);
}

.config-section__title i { color: var(--color-primary); }

.model-selectors {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.model-selector {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.model-selector:hover { border-color: var(--color-border); }

.model-selector--selected {
    border-color: var(--color-primary);
    background: var(--color-primary-lighter);
}

.model-selector__check {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: transparent;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.model-selector--selected .model-selector__check {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.model-selector__info { flex: 1; }

.model-selector__name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.model-selector__type {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.model-selector__tag {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
}

.model-selector__tag--ad { background: var(--color-info-bg); color: var(--color-info); }
.model-selector__tag--ss { background: var(--color-warning-bg); color: var(--color-warning); }

/* Results Panel */
.model-comparison__results {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-6);
}

.model-comparison__empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 400px;
    color: var(--color-text-secondary);
    text-align: center;
}

.model-comparison__empty i {
    font-size: 3rem;
    color: var(--color-border);
    margin-bottom: var(--space-4);
}

.model-comparison__empty h3 {
    font-size: var(--font-size-lg);
    color: var(--color-dark);
    margin-bottom: var(--space-2);
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.metric-card {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    text-align: center;
}

.metric-card__label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-2);
}

.metric-card__value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
}

.metric-card__value--high { color: var(--color-success); }
.metric-card__value--mid { color: var(--color-warning); }
.metric-card__value--low { color: var(--color-danger); }

/* Comparison Table */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th {
    text-align: left;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--color-border);
}

.comparison-table td {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--color-border-light);
}

.comparison-table tr:hover td { background: var(--color-bg-hover); }

.best-value {
    color: var(--color-success);
    font-weight: var(--font-weight-semibold);
}

/* ROC Curve Canvas */
.roc-container {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    margin-top: var(--space-6);
}

.roc-container h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    margin-bottom: var(--space-4);
}

.roc-canvas {
    width: 100%;
    height: 300px;
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
}

/* Analysis Mode Toggle */
.analysis-mode-toggle {
    display: flex;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 3px;
}

.analysis-mode-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.analysis-mode-btn.active {
    background: var(--color-bg-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* ============================================
   DETAIL PANEL
   ============================================ */
.detail-panel {
    position: fixed;
    top: var(--topnav-height);
    right: 0;
    bottom: 0;
    width: var(--detail-panel-width);
    background: var(--color-bg-white);
    border-left: 1px solid var(--color-border);
    box-shadow: var(--shadow-xl);
    z-index: 500;
    transform: translateX(100%);
    transition: transform var(--transition-base);
    display: flex;
    flex-direction: column;
}

.detail-panel--open { transform: translateX(0); }

.detail-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5);
    border-bottom: 1px solid var(--color-border);
}

.detail-panel__title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
}

.detail-panel__body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-5);
}

.detail-panel__body::-webkit-scrollbar { width: 5px; }
.detail-panel__body::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

.detail-panel__overlay {
    position: fixed;
    top: var(--topnav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 499;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.detail-panel__overlay--visible {
    opacity: 1;
    pointer-events: auto;
}

/* Detail Panel Sections */
.detail-section { margin-bottom: var(--space-6); }

.detail-section__title {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-3);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--space-2) 0;
    font-size: var(--font-size-sm);
}

.detail-row__label { color: var(--color-text-secondary); }
.detail-row__value { color: var(--color-text); font-weight: var(--font-weight-semibold); }

.detail-image {
    width: 100%;
    aspect-ratio: 1;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: 3rem;
    margin-top: var(--space-3);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    top: calc(var(--topnav-height) + var(--space-4));
    right: var(--space-4);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid;
    min-width: 280px;
    animation: toastIn var(--transition-base);
}

.toast--success { border-left-color: var(--color-success); }
.toast--error { border-left-color: var(--color-danger); }
.toast--warning { border-left-color: var(--color-warning); }
.toast--info { border-left-color: var(--color-info); }

.toast__icon {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.toast--success .toast__icon { color: var(--color-success); }
.toast--error .toast__icon { color: var(--color-danger); }
.toast--warning .toast__icon { color: var(--color-warning); }
.toast--info .toast__icon { color: var(--color-info); }

.toast__message {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    flex: 1;
}

.toast--hiding {
    animation: toastOut var(--transition-fast);
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(100%); }
}

/* Validation Settings */
.validation-settings {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.validation-setting label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
}

.validation-setting input[type="range"] {
    width: 100%;
    accent-color: var(--color-primary);
}

.validation-export {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

/* Validation Results Styles */
.validation-runs-list {
    margin-bottom: var(--space-6);
}

.validation-run-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.validation-run-item:hover {
    border-color: var(--color-border);
}

.validation-run-item--best {
    border-color: var(--color-success);
    background: var(--color-success-bg);
}

.validation-run-item__info {
    flex: 1;
}

.validation-run-item__title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.validation-run-item__meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.validation-run-item__badge--best {
    background: var(--color-success);
    color: white;
    font-size: 9px;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
}

/* Confusion Matrix */
.confusion-matrix {
    margin-top: var(--space-4);
}

.confusion-matrix__title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    margin-bottom: var(--space-3);
}

.confusion-matrix__grid {
    display: grid;
    grid-template-columns: auto 1fr 1fr;
    gap: var(--space-2);
    max-width: 400px;
}

.confusion-matrix__header {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-align: center;
    padding: var(--space-2);
}

.confusion-matrix__cell {
    padding: var(--space-3);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: white;
}

.confusion-matrix__cell--tp { background: var(--color-success); }
.confusion-matrix__cell--tn { background: var(--color-info); }
.confusion-matrix__cell--fp { background: var(--color-warning); }
.confusion-matrix__cell--fn { background: var(--color-danger); }

.confusion-matrix__cell__value {
    display: block;
    font-size: var(--font-size-xl);
}

.confusion-matrix__cell__label {
    font-size: var(--font-size-xs);
    opacity: 0.8;
}

/* Image Comparison Viewer */
.image-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.image-comparison__panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.image-comparison__label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.image-comparison__image {
    aspect-ratio: 1;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-comparison__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.image-comparison__image--classic {
    border-color: var(--color-info);
}

.image-comparison__image--ai {
    border-color: var(--color-primary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
    .model-comparison-layout {
        grid-template-columns: 280px 1fr;
    }
}

/* ============================================
   SYNTHETIC GENERATOR
   ============================================ */
.synthetic-layout {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: var(--space-4);
    height: calc(100vh - var(--topnav-height) - 160px);
}

/* Config Panel */
.synthetic__config {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    overflow-y: auto;
    padding-right: var(--space-2);
}

.config-section {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
}

.config-section__title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.config-section__title i {
    color: var(--color-text-secondary);
}

/* Source Selector */
.synthetic-source-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
    max-height: 200px;
    overflow-y: auto;
}

.synthetic-source-card {
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-1);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.synthetic-source-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 1px var(--color-primary-light);
}

.synthetic-source-card.selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-light);
}

.synthetic-source-card.selected::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}

.synthetic-source-card__preview {
    width: 100%;
    aspect-ratio: 1;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.synthetic-source-card__preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.synthetic-source-card__placeholder {
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    color: var(--color-text-light);
}

.synthetic-source-card__placeholder i {
    font-size: var(--font-size-xl);
}

.synthetic-source-card__name {
    font-size: 10px;
    color: var(--color-text);
    margin-top: var(--space-1);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.synthetic-source-empty {
    text-align: center;
    padding: var(--space-4);
    color: var(--color-text-light);
}

.synthetic-source-empty i {
    font-size: 2rem;
    margin-bottom: var(--space-2);
    display: block;
}

/* Settings */
.synthetic-setting {
    margin-bottom: var(--space-3);
}

.synthetic-setting:last-child {
    margin-bottom: 0;
}

.synthetic-setting label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
    font-weight: var(--font-weight-semibold);
}

.synthetic-setting-value {
    display: inline-block;
    float: right;
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

/* Defect Preview */
.synthetic-defect-preview {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2);
    background: var(--color-bg);
    border-radius: var(--radius-md);
}

.synthetic-defect-preview canvas {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.synthetic-defect-preview__info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.synthetic-defect-preview__info strong {
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.synthetic-defect-preview__info span {
    font-size: 11px;
    color: var(--color-text-light);
}

/* Action Buttons */
.synthetic-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding-top: var(--space-2);
    border-top: 1px solid var(--color-border);
}

/* Results Panel */
.synthetic__results {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    overflow-y: auto;
}

.synthetic-results__empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-text-light);
    text-align: center;
}

.synthetic-results__empty i {
    font-size: 4rem;
    margin-bottom: var(--space-3);
    opacity: 0.3;
}

.synthetic-results__empty h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-2);
    color: var(--color-text-secondary);
}

.synthetic-results__empty p {
    font-size: var(--font-size-sm);
    max-width: 300px;
}

/* Results Header */
.synthetic-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

/* Results Grid */
.synthetic-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-3);
}

.synthetic-result-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.synthetic-result-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.synthetic-result-card__preview {
    width: 100%;
    aspect-ratio: 1;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.synthetic-result-card__preview canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.synthetic-result-card__info {
    padding: var(--space-2);
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 11px;
}

/* Progress */
.synthetic-progress {
    padding: var(--space-4);
    text-align: center;
}

.synthetic-progress__header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.synthetic-progress__header i {
    animation: spin 1s linear infinite;
}

.synthetic-progress__bar {
    width: 100%;
    height: 6px;
    background: var(--color-bg);
    border-radius: 3px;
    overflow: hidden;
}

.synthetic-progress__fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 3px;
    transition: width 0.3s ease;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================
   ANNOTATION + SYNTHETIC GENERATOR
   ============================================ */
.annotation-layout {
    display: grid;
    grid-template-columns: 280px 1fr 300px;
    gap: var(--space-4);
    height: calc(100vh - var(--topnav-height) - 140px);
    min-height: 500px;
}

/* Annotation Sections */
.annotation__source,
.annotation__workspace,
.annotation__target {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    overflow: hidden;
}

.annotation-section {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
}

.annotation-section__title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.annotation-section__title i {
    color: var(--color-primary);
}

/* Source Image Container */
.source-image-container {
    width: 100%;
    aspect-ratio: 1;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.source-image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-text-light);
    gap: var(--space-2);
    padding: var(--space-4);
}

.source-image-placeholder i {
    font-size: 2rem;
    opacity: 0.3;
}

.source-image-placeholder p {
    font-size: var(--font-size-xs);
}

.source-canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
    cursor: crosshair;
}

/* Mask Tools */
.mask-tools {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.mask-tools__toolbar {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.mask-tool-btn {
    flex: 1;
    min-width: 36px;
    height: 36px;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.mask-tool-btn:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.mask-tool-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.mask-tools__settings {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mask-tools__settings label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
}

.mask-tools__settings input[type="range"] {
    width: 100%;
    accent-color: var(--color-primary);
}

/* Extracted Defects */
#extracted-defects-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: 200px;
    overflow-y: auto;
}

.defects-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-4);
    color: var(--color-text-light);
    gap: var(--space-2);
}

.defects-empty i {
    font-size: 1.5rem;
    opacity: 0.3;
}

.defects-empty p {
    font-size: var(--font-size-xs);
}

.defect-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.defect-item:hover {
    border-color: var(--color-primary);
}

.defect-item.selected {
    border-color: var(--color-primary);
    background: var(--color-primary-lighter);
}

.defect-item__preview {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--color-bg-active);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.defect-item__preview canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.defect-item__info {
    flex: 1;
    min-width: 0;
}

.defect-item__name {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.defect-item__actions {
    display: flex;
    gap: 4px;
}

.defect-item__btn {
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: var(--color-text-light);
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    transition: all var(--transition-fast);
}

.defect-item__btn:hover {
    background: var(--color-bg-active);
    color: var(--color-primary);
}

.defect-item__btn--delete:hover {
    background: var(--color-danger-bg);
    color: var(--color-danger);
}

/* Workspace */
.workspace-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3);
    background: var(--color-bg-white);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    border: 1px solid var(--color-border);
    border-bottom: none;
}

.workspace-header h3 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.workspace-header h3 i {
    color: var(--color-primary);
}

.workspace-status {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-normal);
}

.workspace-actions {
    display: flex;
    gap: 4px;
}

.workspace-canvas-container {
    flex: 1;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-top: none;
    position: relative;
    overflow: hidden;
    min-height: 300px;
}

.workspace-canvas {
    width: 100%;
    height: 100%;
    cursor: crosshair;
    display: none;
}

.workspace-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-text-light);
    gap: var(--space-3);
    pointer-events: none;
}

.workspace-placeholder i {
    font-size: 2rem;
    opacity: 0.3;
}

.workspace-placeholder p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Transform Controls */
.transform-controls {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
}

.transform-controls h3 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.transform-controls h3 i {
    color: var(--color-primary);
}

.transform-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.transform-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.transform-item label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.transform-item label span {
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

.transform-item input[type="range"] {
    width: 100%;
    accent-color: var(--color-primary);
}

.transform-actions {
    margin-top: var(--space-2);
}

/* Preview Compare */
.preview-compare {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
}

.preview-compare__panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.preview-compare__panel span {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
    text-align: center;
}

.preview-image {
    aspect-ratio: 1;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: 1.5rem;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.preview-image--modified {
    border-color: var(--color-primary);
}

.preview-image img,
.preview-image canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Batch Controls */
.batch-controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.batch-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.batch-item label:first-of-type {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
}

.batch-item input[type="number"] {
    width: 100%;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    width: 36px;
    height: 20px;
    background: var(--color-bg-active);
    border-radius: 10px;
    position: relative;
    transition: all var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--color-primary);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: all var(--transition-fast);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(16px);
}

/* Generated Results */
.generated-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
    max-height: 250px;
    overflow-y: auto;
}

.results-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-4);
    color: var(--color-text-light);
    gap: var(--space-2);
}

.results-empty i {
    font-size: 1.5rem;
    opacity: 0.3;
}

.results-empty p {
    font-size: var(--font-size-xs);
}

.generated-item {
    aspect-ratio: 1;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.generated-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: scale(1.02);
}

.generated-item canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.generated-item__badge {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: var(--color-primary);
    color: white;
    font-size: 9px;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
}

/* ============================================
   SYNTHETIC GENERATOR — 2-PHASE SINGLE SCREEN
   ============================================ */

/* Phase Tabs */
.synth-phase-tabs {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-sm);
}

.synth-phase-tab {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-5);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.synth-phase-tab:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.synth-phase-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.synth-phase-tab__number {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
}

.synth-phase-tab.active .synth-phase-tab__number {
    background: rgba(255,255,255,0.3);
}

.synth-phase-tabs__arrow {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
}

/* Phase Containers */
.synth-phase {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
}

/* Phase 1 Layout: Source + Mask Editor */
.synth-phase-1__layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--space-5);
    min-height: 650px;
}

.synth-source-panel,
.synth-mask-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* Canvas Comparison (side-by-side) */
.synth-canvas-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-3);
}

.synth-canvas-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.synth-canvas-panel .synth-canvas-wrapper {
    position: relative;
    width: 100%;
    height: 350px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.synth-canvas-panel .synth-canvas-wrapper canvas {
    position: absolute;
    top: 0;
    left: 0;
}

#synth-annotated-canvas {
    z-index: 1;
}

#synth-mask-canvas {
    z-index: 2;
    background: transparent;
    cursor: crosshair;
}

.synth-canvas-panel__label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
}

.synth-tools-templates-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    border: 1px solid var(--color-border);
    margin-top: auto;
}

.synth-templates-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

/* Phase 2 Layout: Target + Canvas + Settings */
.synth-phase-2__layout {
    display: grid;
    grid-template-columns: 280px 1fr 320px;
    gap: var(--space-5);
    min-height: 600px;
}

.synth-target-panel,
.synth-canvas-panel,
.synth-settings-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* Generic Panel Styling */
.synth-panel {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    border: 1px solid var(--color-border);
}

.synth-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}

.synth-panel__header h3 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin: 0;
}

.synth-panel__header h3 i {
    color: var(--color-primary);
}

.synth-panel__header-actions {
    display: flex;
    gap: var(--space-2);
}

/* Canvas Containers */
.synth-canvas-container {
    position: relative;
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.synth-canvas-container--target {
    min-height: 400px;
}

.synth-canvas-wrapper {
    position: relative;
    width: 100%;
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.synth-canvas-wrapper canvas {
    position: absolute;
    top: 0;
    left: 0;
    cursor: crosshair;
}

.synth-canvas-hint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-text-light);
    text-align: center;
    pointer-events: none;
    font-size: var(--font-size-sm);
}

.synth-canvas-hint i {
    display: block;
    font-size: 2rem;
    margin-bottom: var(--space-2);
}

/* Zoom Controls */
.synth-zoom-controls {
    position: absolute;
    bottom: var(--space-3);
    left: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255,255,255,0.9);
    padding: var(--space-2);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.synth-zoom-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-white);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.synth-zoom-btn:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.synth-zoom-level {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    min-width: 45px;
    text-align: center;
}

/* Mask Tools */
.synth-mask-tools {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}

.synth-tool-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    color: var(--color-text-secondary);
}

.synth-tool-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.synth-tool-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.synth-tool-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.synth-tool-divider {
    width: 1px;
    height: 24px;
    background: var(--color-border);
    margin: 0 var(--space-2);
}

/* Tool Settings */
.synth-tool-settings {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.synth-setting-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.synth-setting-row label {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    min-width: 80px;
}

.synth-setting-row input[type="range"] {
    flex: 1;
}

/* Mask Preview */
.synth-mask-preview {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-3);
}

/* Template Save Section */
.synth-template-save {
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    border: 1px solid var(--color-border);
}

.synth-template-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

/* Saved Templates List */
.synth-templates-list {
    max-height: 300px;
    overflow-y: auto;
}

.synth-templates-empty,
.synth-results-empty {
    text-align: center;
    padding: var(--space-6);
    color: var(--color-text-light);
}

.synth-templates-empty i,
.synth-results-empty i {
    font-size: 2rem;
    margin-bottom: var(--space-2);
    display: block;
}

.synth-template-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.synth-template-item:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-lighter);
}

.synth-template-item__preview {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    overflow: hidden;
}

.synth-template-item__preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.synth-template-item__info {
    flex: 1;
}

.synth-template-item__name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
}

.synth-template-item__type {
    font-size: var(--font-size-xs);
    color: var(--color-primary);
}

.synth-template-item__actions {
    display: flex;
    gap: var(--space-2);
}

/* Target Gallery */
.synth-target-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
    max-height: 350px;
    overflow-y: auto;
}

.synth-target-thumb {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
    background: var(--color-bg);
    position: relative;
}

.synth-target-thumb:hover {
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.synth-target-thumb.selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-light);
}

.synth-target-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Active Source Display */
.synth-active-source {
    min-height: 100px;
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    border: 1px dashed var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3);
}

.synth-active-source__empty {
    text-align: center;
    color: var(--color-text-light);
}

.synth-active-source__empty i {
    font-size: 1.5rem;
    margin-bottom: var(--space-2);
    display: block;
}

.synth-active-source__preview {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg);
    flex-shrink: 0;
}

.synth-active-source__preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ROI Info */
.synth-roi-info {
    padding: var(--space-3);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Transform Settings */
.synth-transform-settings {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.synth-transform-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.synth-transform-item label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-1);
}

/* Generation Settings */
.synth-gen-settings {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.synth-radio-group {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.synth-radio {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    cursor: pointer;
    font-size: var(--font-size-xs);
}

.synth-radio input {
    accent-color: var(--color-primary);
}

.synth-randomize-toggles {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.synth-total-preview {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--color-primary-lighter);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

.synth-total-preview strong {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
}

/* Results Panel */
.synth-panel--results {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.synth-results-actions {
    display: flex;
    gap: var(--space-2);
}

.synth-results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
    overflow-y: auto;
    max-height: 250px;
    padding: var(--space-2);
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
}

.synth-result-item {
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
}

.synth-result-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Phase Actions */
.synth-phase-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-4);
    margin-top: auto;
}

/* Progress Overlay */
.synth-progress-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.synth-progress-overlay.hidden {
    display: none;
}

.synth-progress-modal {
    background: var(--color-bg-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    text-align: center;
    min-width: 350px;
    box-shadow: var(--shadow-xl);
}

.synth-progress-modal h3 {
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.synth-progress-bar {
    height: 8px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-3);
}

.synth-progress-fill {
    height: 100%;
    background: var(--color-primary);
    transition: width 0.3s ease;
    width: 0%;
}

.synth-progress-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ============================================
   ANNOTATION TOOL PANEL
   ============================================ */
.annotation-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 480px;
    height: 100vh;
    background: var(--color-bg-white);
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition-base);
}

.annotation-panel.active {
    transform: translateX(0);
}

.annotation-panel__overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base);
}

.annotation-panel__overlay.active {
    opacity: 1;
    visibility: visible;
}

.annotation-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-sidebar);
}

.annotation-panel__title {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
}

.annotation-panel__title i {
    color: var(--color-primary);
}

.annotation-panel__toolbar {
    padding: var(--space-3) var(--space-5);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
}

.annotation-zoom-controls {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.annotation-zoom-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.annotation-zoom-btn:hover {
    background: var(--color-bg-hover);
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.annotation-zoom-slider {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
}

.annotation-zoom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--color-bg-white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.annotation-zoom-level {
    min-width: 48px;
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
}

.annotation-panel__content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-3);
    background: var(--color-bg);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

/* Drawing Tools Section */
.annotation-tools-section {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
}

.annotation-tools-header {
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-border);
}

.annotation-tools-header h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.annotation-tools-header h4 i {
    color: var(--color-primary);
}

/* Tool Buttons */
.annotation-tool-buttons {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.annotation-tool-btn {
    flex: 1;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
}

.annotation-tool-btn:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.annotation-tool-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

/* Tool Settings */
.annotation-tool-setting {
    margin-bottom: var(--space-3);
}

.annotation-tool-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

/* Color Palette */
.annotation-color-palette {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    flex-wrap: wrap;
}

.annotation-color-btn {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 2px solid var(--color-border);
    transition: all var(--transition-fast);
}

.annotation-color-btn:hover {
    transform: scale(1.1);
    border-color: var(--color-text);
}

.annotation-color-btn.active {
    border-color: var(--color-dark);
    box-shadow: 0 0 0 2px var(--color-primary-light);
}

.annotation-color-input {
    width: 100%;
    height: 32px;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 1px solid var(--color-border);
}

/* Line Width Slider */
.annotation-line-slider {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--color-border);
    border-radius: var(--radius-full);
    cursor: pointer;
}

.annotation-line-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--color-bg-white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

/* Action Buttons */
.annotation-tool-actions {
    display: flex;
    gap: var(--space-2);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

/* Defect Mode Button */
.annotation-defect-mode-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--color-bg-white);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    transition: all var(--transition-fast);
    margin-left: auto;
}

.annotation-defect-mode-btn:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.annotation-defect-mode-btn.active {
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

/* Defect Tools Section (hidden by default) */
.annotation-defect-tools {
    display: none;
}

.annotation-defect-tools.active {
    display: block;
}

/* Defect Types Grid */
.annotation-defect-types {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.defect-type-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-1);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.defect-type-btn i {
    font-size: var(--font-size-md);
}

.defect-type-btn span {
    font-weight: var(--font-weight-semibold);
}

.defect-type-btn:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.defect-type-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
}

/* Defect Preview */
.annotation-defect-preview {
    margin-bottom: var(--space-3);
}

.defect-preview-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-primary-lighter);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-primary);
}

.defect-preview-item i {
    font-size: var(--font-size-md);
}

/* Defect Actions */
.annotation-defect-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

/* Variant Grid */
.annotation-variant-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    max-height: 250px;
    overflow-y: auto;
}

.variant-grid-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-6) var(--space-3);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    text-align: center;
}

.variant-grid-empty i {
    font-size: 2rem;
    color: var(--color-text-light);
    margin-bottom: var(--space-2);
    opacity: 0.5;
}

.variant-grid-empty p {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    font-weight: var(--font-weight-semibold);
    margin-bottom: 2px;
}

.variant-grid-empty span {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.variant-card {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--color-border);
    transition: all var(--transition-fast);
    background: var(--color-bg);
}

.variant-card:hover {
    border-color: var(--color-primary);
    transform: scale(1.02);
}

.variant-card--selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-light);
}

.variant-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.variant-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 50%);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: var(--space-2);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.variant-card:hover .variant-card__overlay,
.variant-card--selected .variant-card__overlay {
    opacity: 1;
}

.variant-card__position {
    font-size: 10px;
    font-weight: var(--font-weight-semibold);
    color: white;
}

.variant-card__number {
    font-size: 10px;
    font-weight: var(--font-weight-bold);
    color: white;
    background: var(--color-primary);
    padding: 2px 6px;
    border-radius: var(--radius-full);
}

/* Variant Actions */
.annotation-variant-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

/* Image Wrapper */
.annotation-image-wrapper {
    position: relative;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: default;
    flex: 1;
}

.annotation-image-wrapper.cursor-grab {
    cursor: grab;
}

.annotation-image-wrapper.cursor-grabbing {
    cursor: grabbing;
}

.annotation-image {
    max-width: 100%;
    height: auto;
    user-select: none;
    pointer-events: none;
}

.annotation-drawing-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.annotation-panel__statusbar {
    padding: var(--space-3) var(--space-5);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-sidebar);
}

.annotation-status-hint {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.annotation-status-hint i {
    color: var(--color-info);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    .login-cards { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    .model-comparison-layout { grid-template-columns: 1fr; }
    .synthetic-layout { grid-template-columns: 1fr; }
    .annotation-layout { grid-template-columns: 1fr; }
    .gallery__grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
    .dashboard__stats { grid-template-columns: 1fr 1fr; }
    .annotation-panel {
        width: 100%;
    }
}