/* PRX Tech Minimalist Design System (Light & Dark Theme) */
:root {
    /* Light Theme (Default fallback) */
    --bg-page: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f1f5f9;
    --bg-subtle: #e2e8f0;
    --border-color: #cbd5e1;
    --border-subtle: #e2e8f0;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-inverse: #ffffff;

    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-subtle: #eff6ff;
    --accent-border: #bfdbfe;

    --success: #10b981;
    --success-subtle: #ecfdf5;
    --success-border: #a7f3d0;

    --warning: #f59e0b;
    --warning-subtle: #fffbeb;
    --warning-border: #fde68a;

    --danger: #ef4444;
    --danger-subtle: #fef2f2;
    --danger-border: #fecaca;

    --purple: #8b5cf6;
    --purple-subtle: #f5f3ff;
    --purple-border: #ddd6fe;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.08);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-full: 9999px;
}

[data-theme="dark"] {
    /* Dark Theme (Linear / Vercel Palette) */
    --bg-page: #090d16;
    --bg-surface: #111827;
    --bg-surface-hover: #1a2234;
    --bg-subtle: #1f293d;
    --border-color: #1f2937;
    --border-subtle: #192231;

    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-inverse: #090d16;

    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-subtle: rgba(59, 130, 246, 0.12);
    --accent-border: rgba(59, 130, 246, 0.25);

    --success: #10b981;
    --success-subtle: rgba(16, 185, 129, 0.12);
    --success-border: rgba(16, 185, 129, 0.25);

    --warning: #f59e0b;
    --warning-subtle: rgba(245, 158, 11, 0.12);
    --warning-border: rgba(245, 158, 11, 0.25);

    --danger: #ef4444;
    --danger-subtle: rgba(239, 68, 68, 0.12);
    --danger-border: rgba(239, 68, 68, 0.25);

    --purple: #a855f7;
    --purple-subtle: rgba(168, 85, 247, 0.12);
    --purple-border: rgba(168, 85, 247, 0.25);

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 14px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.2s ease, color 0.2s ease;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.015em;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.15s ease;
}
a:hover { color: var(--accent-hover); }

code, pre {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.85em;
}

/* Header & Navigation */
.navbar {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.brand-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 7px;
    background: var(--accent-subtle);
    color: var(--accent);
    border: 1px solid var(--accent-border);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-item {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    border: none;
    background: transparent;
    font-size: 0.9rem;
    transition: all 0.15s ease;
}

.nav-item:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-subtle);
    color: var(--accent);
    font-weight: 600;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Theme Toggle Button */
.theme-toggle-btn {
    background: var(--bg-surface-hover);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
}
.theme-toggle-btn:hover {
    color: var(--text-primary);
    border-color: var(--text-muted);
}

/* Container & Layout */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 20px 48px;
    width: 100%;
    flex: 1;
}

.tab-pane {
    display: none;
}
.tab-pane.active {
    display: block;
    animation: fadeIn 0.15s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Cards & Surfaces */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-subtle);
}

.card-title {
    font-size: 1.05rem;
    font-weight: 600;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
}

.badge-white { background: var(--bg-surface-hover); color: var(--text-secondary); border: 1px solid var(--border-color); }
.badge-black { background: var(--purple-subtle); color: var(--purple); border: 1px solid var(--purple-border); }
.badge-active { background: var(--success-subtle); color: var(--success); border: 1px solid var(--success-border); }
.badge-paused { background: var(--warning-subtle); color: var(--warning); border: 1px solid var(--warning-border); }
.badge-error { background: var(--danger-subtle); color: var(--danger); border: 1px solid var(--danger-border); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 14px;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    text-decoration: none;
}

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

.btn-primary { background: var(--accent); color: #ffffff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-secondary { background: var(--bg-surface-hover); color: var(--text-primary); border-color: var(--border-color); }
.btn-secondary:hover:not(:disabled) { background: var(--border-subtle); }

.btn-danger { background: var(--danger-subtle); color: var(--danger); border-color: var(--danger-border); }
.btn-danger:hover:not(:disabled) { background: var(--danger); color: #fff; }

.btn-sm { padding: 4px 10px; font-size: 0.8rem; }

/* Forms & Inputs */
.form-group {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
}

.form-label {
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.form-control, .form-select {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}

/* Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.875rem;
}

th {
    background: var(--bg-surface-hover);
    padding: 10px 14px;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-primary);
    vertical-align: middle;
}

tr:last-child td {
    border-bottom: none;
}

tr:hover td {
    background-color: var(--bg-surface-hover);
}

/* Toggle Switch */
.switch-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

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

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--border-color);
    transition: 0.2s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.2s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--purple);
}

input:checked + .slider:before {
    transform: translateX(20px);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 95%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-container > form {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.modal-container.modal-lg {
    max-width: 1000px;
    height: 85vh;
}

.modal-header {
    flex-shrink: 0;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.modal-body::-webkit-scrollbar {
    width: 6px;
}
.modal-body::-webkit-scrollbar-track {
    background: transparent;
}
.modal-body::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
.modal-body::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

.modal-footer {
    flex-shrink: 0;
    padding: 14px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Grid & Utilities */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

@media (max-width: 900px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Upload Dropzone */
.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px 16px;
    text-align: center;
    background: var(--bg-surface-hover);
    cursor: pointer;
    transition: all 0.15s ease;
}
.dropzone:hover, .dropzone.dragover {
    border-color: var(--accent);
    background: var(--accent-subtle);
}
.dropzone-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

/* ==========================================
   Filter Bars, Pills & Search Inputs
   ========================================== */
.filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
    padding: 10px 14px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.pill-group {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.filter-pill {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.18s ease;
    border: 1px solid var(--border-color);
}

.filter-pill.active {
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
}

.search-box-wrapper {
    position: relative;
    min-width: 240px;
    max-width: 340px;
    flex: 1;
}

.search-box-wrapper input {
    padding-left: 32px;
    height: 34px;
    font-size: 0.82rem;
    border-radius: var(--radius-sm);
    width: 100%;
}

.search-box-wrapper .search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    opacity: 0.5;
    pointer-events: none;
}

/* ======================================================== */
/* Searchable Custom Select Widget with Thumbnail Previews  */
/* ======================================================== */
.ss-wrapper {
    position: relative;
    width: 100%;
    user-select: none;
}

.ss-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    min-height: 42px;
    padding: 6px 12px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.88rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}

.ss-trigger:hover, .ss-wrapper.open .ss-trigger {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

.ss-selected-content {
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.ss-thumb {
    width: 44px;
    height: 28px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-surface-hover);
    flex-shrink: 0;
}

.ss-arrow {
    font-size: 0.75rem;
    opacity: 0.6;
    margin-left: 8px;
    transition: transform 0.2s ease;
}

.ss-wrapper.open .ss-arrow {
    transform: rotate(180deg);
}

.ss-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    z-index: 1050;
    max-height: 290px;
    flex-direction: column;
    overflow: hidden;
}

.ss-wrapper.open .ss-dropdown {
    display: flex;
}

.ss-search-wrap {
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-surface-hover);
    flex-shrink: 0;
}

.ss-search-input {
    width: 100%;
    height: 34px;
    padding: 0 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: 0.82rem;
    box-sizing: border-box;
    outline: none;
}

.ss-search-input:focus {
    border-color: var(--accent);
}

.ss-options-list {
    overflow-y: auto;
    max-height: 220px;
    padding: 4px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.ss-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s ease;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.ss-option:hover {
    background: var(--bg-surface-hover);
}

.ss-option.selected {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent);
    font-weight: 600;
}

.ss-option.hidden {
    display: none !important;
}

.ss-no-results {
    padding: 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.82rem;
}