/* ══════════════════════════════════════════════
   Video Script Generator — Dark Theme
   Based on ADS_WEB_5 Google CRM style
   ══════════════════════════════════════════════ */

:root {
    color-scheme: dark;
    --bg-body: #0e0e0e;
    --bg-header: #111113;
    --bg-card: #1a1a1a;
    --bg-card-alt: #222222;
    --bg-surface: #151515;
    --bg-input: #161616;
    --bg-section: #141414;
    --border: #2a2a2a;
    --border-hover: #444;
    --text-primary: #e5e5e5;
    --text-secondary: #999;
    --text-muted: #666;
    --accent-green: #28a745;
    --accent-green-hover: #218838;
    --accent-blue: #4a9eff;
    --accent-red: #dc3545;
    --accent-yellow: #ffc107;
    --accent-purple: #8b5cf6;
    --accent-orange: #fd7e14;
    --header-height: 56px;
    --radius: 8px;
    --radius-lg: 12px;
    --transition: 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
}

/* ══════════════════════════════
   Top Bar
   ══════════════════════════════ */
.top-bar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-height);
    background: var(--bg-header);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 100;
}

.top-bar-left { display: flex; align-items: center; gap: 10px; }
.top-bar-right { display: flex; align-items: center; gap: 16px; }

.logo-icon {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, var(--accent-red), var(--accent-orange));
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 17px;
}

.logo-text h1 { font-size: 14px; font-weight: 600; color: var(--text-primary); line-height: 1.2; }
.logo-text span { font-size: 11px; color: var(--text-muted); }
.dev-link {
    font-size: 11px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.15s;
    border-bottom: 1px solid transparent;
}
.dev-link:hover {
    color: var(--accent, #4f8cff);
    border-bottom-color: var(--accent, #4f8cff);
}

.badge-version {
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 500;
    border-radius: 6px;
    background: rgba(74, 158, 255, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(74, 158, 255, 0.2);
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: 6px;
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.2);
    cursor: default;
}
.user-avatar {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    object-fit: cover;
}
.user-avatar-placeholder {
    width: 18px;
    height: 18px;
    border-radius: 4px;
    background: var(--accent-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 600;
    color: #fff;
}
.user-name {
    font-size: 11px;
    font-weight: 500;
    color: var(--accent-purple);
}
.user-logout {
    background: none;
    border: none;
    color: rgba(139, 92, 246, 0.4);
    font-size: 11px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color var(--transition);
}
.user-logout:hover { color: var(--accent-red); }

/* ══════════════════════════════
   Main Content
   ══════════════════════════════ */
.main-content {
    margin-top: var(--header-height);
    padding: 24px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

/* ══════════════════════════════
   Cards
   ══════════════════════════════ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 16px;
    transition: border-color var(--transition);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ══════════════════════════════
   Form Elements
   ══════════════════════════════ */
.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    font-size: 13px;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-blue);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.char-counter {
    font-size: 11px;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 6px;
}

.char-counter.warning {
    color: var(--accent-yellow);
}

.char-counter.full {
    color: var(--accent-red);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    /* Prevent grid items from clipping absolutely-positioned dropdown panels */
    overflow: visible;
}

/* Ensure grid cells with dropdowns get their own stacking context above siblings */
.form-row > .form-group {
    position: relative;
}

/* When a dropdown inside a grid cell is open, raise that cell above its sibling */
.form-row > .form-group:has(.custom-select-display.open),
.form-row > .form-group:has(.custom-select.dropdown-open) {
    z-index: 60;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
}

.input-with-btn {
    display: flex;
    gap: 8px;
}

.input-with-btn input {
    flex: 1;
}

/* ══════════════════════════════
   Buttons
   ══════════════════════════════ */
.btn-generate {
    width: 100%;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
    background: var(--accent-green);
    color: white;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
}

.btn-generate:hover {
    background: var(--accent-green-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

.btn-generate:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-generate:active {
    transform: translateY(0);
}

.btn-secondary {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--radius);
    background: var(--bg-card-alt);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
    white-space: nowrap;
}

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

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

.btn-ai {
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius);
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-purple);
    border: 1px solid rgba(139, 92, 246, 0.3);
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
    white-space: nowrap;
}

.btn-ai:hover {
    background: rgba(139, 92, 246, 0.25);
}

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

.btn-copy {
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius);
    background: var(--accent-blue);
    color: white;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}

.btn-copy:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.btn-download {
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius);
    background: var(--bg-card-alt);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
    text-decoration: none;
}

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

/* ══════════════════════════════
   Collapsible (Advanced Settings)
   ══════════════════════════════ */
.collapsible-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    cursor: pointer;
    user-select: none;
}

.collapsible-trigger .arrow {
    font-size: 12px;
    color: var(--text-muted);
    transition: transform var(--transition);
}

.collapsible-trigger.open .arrow {
    transform: rotate(180deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.collapsible-content.open {
    max-height: 20000px;
}

/* ══════════════════════════════
   Checkbox & Toggle Groups
   ══════════════════════════════ */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
    transition: all var(--transition);
    user-select: none;
}

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

.checkbox-item input[type="checkbox"] {
    accent-color: var(--accent-green);
}

.checkbox-item.checked {
    background: rgba(40, 167, 69, 0.1);
    border-color: rgba(40, 167, 69, 0.3);
    color: var(--accent-green);
}

.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
}

.toggle-row label {
    font-size: 13px;
    color: var(--text-secondary);
}

.toggle-switch {
    position: relative;
    width: 40px;
    height: 22px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-card-alt);
    border: 1px solid var(--border);
    border-radius: 22px;
    transition: all var(--transition);
}

.toggle-slider:before {
    content: "";
    position: absolute;
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: all var(--transition);
}

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

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(18px);
    background: white;
}

/* ══════════════════════════════
   Video Preview
   ══════════════════════════════ */
.video-preview {
    display: none;
    margin-top: 10px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
}

.video-preview.visible {
    display: block;
}

.video-preview img {
    width: 100%;
    display: block;
}

/* Multi-video preview list (DG, up to 5) */
.video-preview-list {
    display: none;
    margin-top: 10px;
    gap: 6px;
    flex-wrap: wrap;
}
.video-preview-list.visible { display: flex; }
.video-preview-list .vp-thumb {
    position: relative;
    flex: 1 1 calc(33.333% - 4px);
    max-width: calc(33.333% - 4px);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    background: #000;
    aspect-ratio: 16 / 9;
}
.video-preview-list .vp-thumb img {
    width: 100%; height: 100%;
    object-fit: cover; display: block;
}
.video-preview-list .vp-thumb .vp-idx {
    position: absolute; top: 4px; left: 4px;
    background: rgba(0,0,0,0.65); color: #fff;
    font-size: 10px; font-weight: 700;
    padding: 2px 5px; border-radius: 3px;
    line-height: 1;
}
#youtubeUrlsList .multi-input-row input {
    flex: 1 1 auto;
}

/* ══════════════════════════════
   Output Area
   ══════════════════════════════ */
.output-card {
    display: none;
    border-color: var(--accent-green);
}

.output-card.visible {
    display: block;
}

.output-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.code-output {
    background: #0a0a0a;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    font-family: 'SF Mono', 'Menlo', 'Monaco', 'Consolas', monospace;
    font-size: 11.5px;
    line-height: 1.6;
    overflow-x: auto;
    max-height: 500px;
    overflow-y: auto;
    white-space: pre;
    color: #00ff41;
    tab-size: 2;
    text-shadow:
        0 0 4px rgba(0,255,65,0.9),
        0 0 12px rgba(0,255,65,0.4),
        0 0 28px rgba(0,255,65,0.15);
}

.code-output::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.code-output::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

/* ══════════════════════════════
   Toast Notifications
   ══════════════════════════════ */
.toast-container {
    position: fixed;
    top: 70px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 18px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    color: white;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    animation: slideIn 0.3s ease, fadeOut 0.3s ease 2.7s;
    max-width: 360px;
}

.toast.success { background: var(--accent-green); }
.toast.error { background: var(--accent-red); }
.toast.info { background: var(--accent-blue); }
.toast.warning { background: var(--accent-yellow); color: #000; white-space: pre-line; max-width: 480px; animation: slideIn 0.3s ease, fadeOut 0.3s ease 5.7s; }

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

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* ══════════════════════════════
   Spinner
   ══════════════════════════════ */
.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* ══════════════════════════════
   Campaign Type Tabs
   ══════════════════════════════ */
.campaign-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.tab-btn {
    flex: 1;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
    text-align: center;
}

.tab-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.tab-btn.active {
    background: rgba(74, 158, 255, 0.12);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* ══════════════════════════════
   Multi-Input Lists (Headlines)
   ══════════════════════════════ */
.multi-input-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.multi-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.multi-input-row input {
    flex: 1;
    padding: 10px 12px;
    font-size: 13px;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color var(--transition);
}

.multi-input-row input:focus {
    border-color: var(--accent-blue);
}

.multi-input-row input::placeholder {
    color: var(--text-muted);
}

.char-counter-inline {
    font-size: 11px;
    color: var(--text-muted);
    min-width: 40px;
    text-align: right;
}

.char-counter-inline.warning { color: var(--accent-yellow); }
.char-counter-inline.full { color: var(--accent-red); }

.btn-add-row {
    margin-top: 6px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--accent-blue);
    background: transparent;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    font-family: inherit;
}

.btn-add-row:hover {
    border-color: var(--accent-blue);
    background: rgba(74, 158, 255, 0.08);
}

.btn-remove-row {
    padding: 4px 8px;
    font-size: 16px;
    color: var(--text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 4px;
    transition: all var(--transition);
    line-height: 1;
}

.btn-remove-row:hover {
    color: var(--accent-red);
    background: rgba(220, 53, 69, 0.1);
}

.btn-ai-sm {
    font-size: 11px;
    padding: 3px 8px;
    margin-left: 8px;
    vertical-align: middle;
}

/* ══════════════════════════════
   Audience Targeting — Tabs, Categories, Chips
   ══════════════════════════════ */

/* Segment Type Tabs */
.segment-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    background: var(--bg-input);
    border-radius: var(--radius);
    padding: 3px;
}

.segment-tab {
    flex: 1;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    text-align: center;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition);
}

.segment-tab:hover { color: var(--text-secondary); }

.segment-tab.active {
    background: var(--bg-card-alt);
    color: var(--text-primary);
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.segment-tab .tab-count {
    font-size: 10px;
    font-weight: 500;
    margin-left: 4px;
    padding: 1px 5px;
    border-radius: 8px;
    background: rgba(74, 158, 255, 0.15);
    color: var(--accent-blue);
}

.segment-tab .tab-count:empty { display: none; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Category Sections */
.category-section { margin-bottom: 20px; }
.category-section:last-child { margin-bottom: 0; }

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    cursor: pointer;
    user-select: none;
}

.category-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.category-title .cat-icon { font-size: 15px; width: 20px; text-align: center; }

.category-count {
    font-size: 11px;
    color: var(--text-muted);
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--bg-input);
}

.category-count.has-selected {
    color: var(--accent-blue);
    background: rgba(74, 158, 255, 0.12);
}

.category-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 16px 0;
}

/* Subcategory Sections */
.subcategory-section {
    margin-bottom: 12px;
    margin-left: 8px;
    border-left: 2px solid var(--border);
    padding-left: 12px;
}

.subcategory-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    cursor: pointer;
    user-select: none;
}

.subcategory-title {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 5px;
}

.subcategory-title .sub-icon { font-size: 13px; width: 18px; text-align: center; }

.subcategory-title .sub-arrow {
    font-size: 10px;
    color: var(--text-muted);
    transition: transform var(--transition);
    margin-left: 2px;
}

.subcategory-title .sub-arrow.open { transform: rotate(180deg); }

.subcategory-count {
    font-size: 10px;
    color: var(--text-muted);
    padding: 1px 5px;
    border-radius: 4px;
    background: var(--bg-input);
}

.subcategory-count.has-selected {
    color: var(--accent-blue);
    background: rgba(74, 158, 255, 0.12);
}

.subcategory-chips {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.subcategory-chips.open { max-height: 5000px; }

/* Segment Chips (toggle pills) */
.segment-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 4px;
}

.seg-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 500;
    font-family: inherit;
    color: var(--text-muted);
    background: transparent;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
    white-space: nowrap;
}

.seg-chip:hover {
    border-color: var(--border-hover);
    color: var(--text-secondary);
    background: var(--bg-input);
}

.seg-chip.selected {
    color: var(--accent-blue);
    background: rgba(74, 158, 255, 0.12);
    border: 1px solid var(--accent-blue);
}

.seg-chip.selected:hover { background: rgba(74, 158, 255, 0.2); }

/* Search Box */
.search-box {
    position: relative;
    margin-bottom: 16px;
}

.search-box input {
    width: 100%;
    padding: 10px 12px 10px 34px;
    font-size: 13px;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color var(--transition);
}

.search-box input:focus { border-color: var(--accent-blue); }
.search-box input::placeholder { color: var(--text-muted); }

.search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-clear {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: var(--text-muted);
    cursor: pointer;
    background: none;
    border: none;
    display: none;
    padding: 2px 4px;
}

.search-clear:hover { color: var(--text-primary); }

/* Summary Bar */
.summary-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg-section);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.summary-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.summary-stat {
    font-size: 12px;
    color: var(--text-secondary);
}

.summary-stat strong { color: var(--accent-blue); }

.btn-clear-all {
    font-size: 11px;
    font-weight: 500;
    font-family: inherit;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 10px;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-clear-all:hover {
    color: var(--accent-red);
    border-color: rgba(220, 53, 69, 0.4);
    background: rgba(220, 53, 69, 0.08);
}

/* Presets Section */
.presets-section {
    background: var(--bg-section);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
    margin-bottom: 14px;
}

.presets-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.presets-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.presets-badge {
    font-size: 10px;
    font-weight: 500;
    padding: 1px 6px;
    border-radius: 8px;
    background: rgba(74, 158, 255, 0.15);
    color: var(--accent-blue);
}

.presets-badge:empty { display: none; }

.presets-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.preset-select {
    flex: 1;
    min-width: 0;
}

.preset-select .custom-select-display {
    padding: 8px 12px;
    font-size: 13px;
}

.preset-select .custom-select-options {
    max-height: 240px;
}

.preset-option-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.preset-option-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.preset-option-count {
    flex-shrink: 0;
    font-size: 11px;
    font-weight: 500;
    padding: 1px 6px;
    border-radius: 8px;
    background: rgba(74, 158, 255, 0.12);
    color: var(--accent-blue);
    margin-left: 8px;
}

.btn-icon-only {
    padding: 8px 10px !important;
    font-size: 14px !important;
    line-height: 1;
}

.btn-icon-only:hover:not(:disabled) {
    color: var(--accent-red) !important;
    border-color: rgba(220, 53, 69, 0.4) !important;
    background: rgba(220, 53, 69, 0.08) !important;
}

.presets-save-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.presets-save-row input[type="text"] {
    flex: 1;
    font-size: 13px;
    font-family: inherit;
    padding: 8px 12px;
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color var(--transition);
}

.presets-save-row input[type="text"]:focus {
    border-color: var(--accent-blue);
    outline: none;
}

.presets-save-row input[type="text"]::placeholder { color: var(--text-muted); }

.btn-save-preset {
    color: var(--accent-green) !important;
    border-color: rgba(40, 167, 69, 0.4) !important;
    white-space: nowrap;
}

.btn-save-preset:hover {
    background: rgba(40, 167, 69, 0.1) !important;
    border-color: var(--accent-green) !important;
}

.preset-preview {
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 11px;
    color: var(--text-muted);
}

.preset-preview:empty { display: none; }

.preset-preview-stat {
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.preset-preview-stat strong {
    color: var(--accent-blue);
    font-weight: 600;
}

.btn-select-category {
    font-size: 11px;
    font-weight: 500;
    font-family: inherit;
    color: var(--text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color var(--transition);
    padding: 2px 0;
}

.btn-select-category:hover { color: var(--accent-blue); }

.no-results {
    padding: 24px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

.text-muted {
    font-size: 12px;
    color: var(--text-muted);
}

/* ══════════════════════════════
   Card Divider & Settings Section
   ══════════════════════════════ */
.card-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 18px 0;
}

.settings-section {
    background: var(--bg-section);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    margin-bottom: 14px;
}

.settings-section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.section-title .badge-new { margin-left: 0; }

/* ══════════════════════════════
   Custom Dropdown (dark themed)
   ══════════════════════════════ */
.custom-select {
    position: relative;
    cursor: pointer;
    /* Create stacking context so dropdown panel renders above grid siblings */
    z-index: 1;
    isolation: isolate;
}

/* Raise z-index when this dropdown is open so it overlaps the adjacent grid cell */
.custom-select:has(.custom-select-display.open) {
    z-index: 9999;
}

/* Fallback class added via JS for browsers that don't support :has() */
.custom-select.dropdown-open {
    z-index: 9999;
}

.custom-select-display {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    font-size: 13px;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color var(--transition);
}

.custom-select-display:hover {
    border-color: var(--border-hover);
}

.custom-select-display.open {
    border-color: var(--accent-blue);
    border-radius: var(--radius) var(--radius) 0 0;
}

.custom-select-flag {
    font-size: 18px;
    line-height: 1;
    display: flex;
    align-items: center;
}

.flag-icon {
    vertical-align: middle;
    border-radius: 2px;
    object-fit: cover;
}

.custom-select-text {
    flex: 1;
}

.custom-select-arrow {
    font-size: 10px;
    color: var(--text-muted);
    transition: transform var(--transition);
}

.custom-select-display.open .custom-select-arrow {
    transform: rotate(180deg);
}

.custom-select-options {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--bg-card);
    border: 1px solid var(--accent-blue);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    max-height: 200px;
    overflow-y: auto;
    /* Ensure dropdown paints above grid siblings in Chrome */
    -webkit-transform: translateZ(0);
}

.custom-select-options.open {
    display: block;
}

.custom-select-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

.custom-select-option:hover {
    background: var(--bg-card-alt);
    color: var(--text-primary);
}

.custom-select-option.selected {
    color: var(--accent-green);
}

/* ══════════════════════════════
   Pill Buttons
   ══════════════════════════════ */
.pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.pill-btn {
    padding: 7px 14px;
    font-size: 12px;
    font-weight: 500;
    font-family: inherit;
    color: var(--text-secondary);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
    text-align: center;
    min-width: 44px;
}

.pill-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.pill-btn.active {
    background: var(--accent-green);
    border-color: var(--accent-green);
    color: white;
}

.pill-btn-sm {
    padding: 5px 8px;
    font-size: 11px;
    min-width: 34px;
}

.pill-btn-blue.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

.pill-btn-device {
    display: inline-flex;
    align-items: center;
}

/* ══════════════════════════════
   Schedule Controls
   ══════════════════════════════ */
.schedule-preview {
    padding: 10px 12px;
    background: rgba(74, 158, 255, 0.06);
    border: 1px solid rgba(74, 158, 255, 0.12);
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--text-secondary);
}

.sch-geo {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 13px;
}

.sch-geo .flag-icon {
    flex-shrink: 0;
}

.sch-time {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    margin-bottom: 4px;
}

.sch-time .sch-dur {
    font-size: 12px;
    font-weight: 400;
    color: var(--text-muted);
    margin-left: 6px;
    letter-spacing: 0;
}

.sch-context {
    color: var(--text-muted);
    font-size: 11px;
    line-height: 1.5;
}

.sch-context .sch-accent {
    color: var(--accent-blue);
}

.sch-context .sch-warn {
    color: var(--accent-yellow);
}

.sch-fallback {
    color: var(--text-secondary);
    font-size: 13px;
}

.schedule-manual-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    align-items: end;
}

.schedule-hour-group label {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.schedule-hour-group input {
    width: 100%;
    padding: 8px 10px;
    font-size: 13px;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color var(--transition);
}

.schedule-hour-group input:focus {
    border-color: var(--accent-blue);
    outline: none;
}

.schedule-hour-preview {
    grid-column: 1 / -1;
    font-size: 12px;
    color: var(--text-secondary);
    padding: 6px 0 0;
}

/* ══════════════════════════════
   Badges (ad content, audience)
   ══════════════════════════════ */
.audience-count {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: var(--radius);
    background: rgba(74, 158, 255, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(74, 158, 255, 0.25);
}

.ad-content-status {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: var(--radius);
    background: rgba(40, 167, 69, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(40, 167, 69, 0.25);
}

.ad-content-status:empty {
    display: none;
}

/* ══════════════════════════════
   Output Badge
   ══════════════════════════════ */
.badge-type {
    font-size: 11px;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: 6px;
    margin-left: 8px;
}

.badge-video {
    background: rgba(253, 126, 20, 0.15);
    color: var(--accent-orange);
    border: 1px solid rgba(253, 126, 20, 0.25);
}

.badge-demand_gen {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-purple);
    border: 1px solid rgba(139, 92, 246, 0.25);
}

/* ══════════════════════════════
   Responsive
   ══════════════════════════════ */
@media (max-width: 768px) {
    .form-row-3 {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .main-content {
        padding: 16px;
    }
    .form-row, .form-row-3 {
        grid-template-columns: 1fr;
    }
    .output-actions {
        flex-direction: column;
    }
    .campaign-tabs {
        flex-direction: column;
    }
    .toast-container {
        right: 12px;
        left: 12px;
        top: 62px;
    }
    .toast {
        max-width: 100%;
    }
}

/* ══════════════════════════════
   Google Ads-style Campaign Wizard
   ══════════════════════════════ */
.gads-wizard {
    margin-bottom: 20px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.gads-wizard-head {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 4px 2px 12px;
}
.gads-wizard-head + .gads-wizard-head,
.gads-type-grid + .gads-wizard-head,
.gads-obj-grid + .gads-wizard-head {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.gads-obj-grid,
.gads-type-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.gads-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 16px 14px;
    min-height: 150px;
    background: var(--bg-main, #141518);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition), color var(--transition), transform var(--transition);
    font-family: inherit;
    text-align: left;
}
.gads-card:hover:not(.is-disabled) {
    border-color: var(--accent-blue);
    color: var(--text-primary);
    background: rgba(74, 158, 255, 0.04);
}
.gads-card.is-active {
    border-color: var(--accent-blue);
    background: rgba(74, 158, 255, 0.1);
    color: var(--accent-blue);
    box-shadow: 0 0 0 1px var(--accent-blue) inset;
}
.gads-card.is-disabled {
    cursor: not-allowed;
    opacity: 0.38;
    filter: grayscale(0.4);
}
.gads-card.is-disabled:hover {
    border-color: var(--border);
    background: var(--bg-main, #141518);
    color: var(--text-secondary);
}
.gads-card-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    color: var(--text-secondary);
}
.gads-card.is-active .gads-card-icon {
    color: var(--accent-blue);
}
.gads-card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.25;
}
.gads-card.is-active .gads-card-title {
    color: var(--accent-blue);
}
.gads-card-desc {
    font-size: 11.5px;
    line-height: 1.4;
    color: var(--text-muted);
}
.gads-card-meta {
    font-size: 11px;
    color: var(--text-muted);
    font-style: italic;
    margin-top: auto;
}
@media (max-width: 1100px) {
    .gads-obj-grid,
    .gads-type-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .gads-obj-grid,
    .gads-type-grid { grid-template-columns: 1fr; }
    .gads-card { min-height: auto; }
}

/* Range pair (min–max random) — scoped label flex only when it contains range-hint/badge */
.form-group label:has(.range-hint),
.form-group label:has(.badge-new) {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 8px;
    margin-bottom: 6px;
}
.range-hint {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-muted, #6b6b6b);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.range-pair { display: flex; align-items: center; gap: 8px; }
.range-pair input[type="number"] {
    flex: 1 1 0;
    min-width: 0;
    text-align: center;
    -moz-appearance: textfield;
}
.range-pair input[type="number"]::-webkit-outer-spin-button,
.range-pair input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.range-sep {
    color: var(--text-muted, #6b6b6b);
    font-weight: 500;
    user-select: none;
    flex: 0 0 auto;
}
.badge-new {
    display: inline-block;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 2px 6px;
    border-radius: 3px;
    background: linear-gradient(135deg, #4f8cff, #7b5cff);
    color: #fff;
    text-transform: uppercase;
    line-height: 1;
    vertical-align: middle;
}

/* ── DG Image upload ─────────────────────────────────────────────────────── */
.image-upload-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
}
.image-upload-slot {}
.image-upload-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary, #aaa);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.image-upload-ratio {
    font-weight: 400;
    color: var(--text-muted, #666);
}
.image-upload-drop {
    border: 2px dashed var(--border, #2a2a2a);
    border-radius: 8px;
    min-height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    overflow: hidden;
    position: relative;
    background: var(--card-bg, #141414);
}
.image-upload-drop:hover {
    border-color: var(--accent, #4f8cff);
    background: rgba(79,140,255,0.04);
}
.image-upload-drop.has-image {
    border-color: var(--success, #3ecf8e);
    border-style: solid;
}
.image-upload-hint {
    font-size: 12px;
    color: var(--text-muted, #666);
    pointer-events: none;
}
.image-upload-status {
    font-size: 11px;
    color: var(--text-muted, #666);
    margin-top: 5px;
    word-break: break-all;
    min-height: 16px;
}

/* ── Matrix glow during decode ───────────────────────────────────────────── */
.code-output.matrix-glow {
    text-shadow:
        0 0 4px rgba(0,255,65,0.9),
        0 0 12px rgba(0,255,65,0.4),
        0 0 28px rgba(0,255,65,0.15);
    color: #00ff41;
    transition: none;
    animation: matrixPulse 1.8s ease-in-out infinite;
}
@keyframes matrixPulse {
    0%, 100% {
        text-shadow:
            0 0 4px rgba(0,255,65,0.9),
            0 0 12px rgba(0,255,65,0.4),
            0 0 28px rgba(0,255,65,0.15);
    }
    50% {
        text-shadow:
            0 0 6px rgba(0,255,65,1),
            0 0 18px rgba(0,255,65,0.55),
            0 0 40px rgba(0,255,65,0.25);
    }
}

/* ── Image drop zone ─────────────────────────────────────────────────────── */
.image-drop-zone {
    border: 2px dashed var(--border, #2a2a2a);
    border-radius: 10px;
    padding: 28px 16px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    background: var(--card-bg, #141414);
    margin-bottom: 14px;
}
.image-drop-zone:hover,
.image-drop-zone.drag-over {
    border-color: var(--accent, #4f8cff);
    background: rgba(79,140,255,0.06);
}
.image-drop-hint {
    color: var(--text-muted, #666);
    font-size: 13px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.image-drop-hint svg {
    opacity: 0.4;
}

/* ── Scroll to top button ────────────────────────────────────────────────── */
.scroll-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.25s ease, transform 0.25s ease,
                background 0.15s, border-color 0.15s, color 0.15s;
    z-index: 50;
    color: var(--text-muted);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
    pointer-events: none;
    padding: 0;
}
.scroll-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.scroll-top:hover {
    background: var(--bg-card-alt);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}
.scroll-top:active {
    transform: translateY(1px);
}
.scroll-top svg {
    width: 18px;
    height: 18px;
}