/* ═══════════════════════════════════════════════════════
   TSG Bookmarks Dashboard — Main Layout & Components
   ═══════════════════════════════════════════════════════ */

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

html { font-size: var(--font-size-base); scroll-behavior: smooth; }

body {
    font-family: var(--font-family);
    color: var(--text-primary);
    background: var(--bg-gradient);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    transition: background 0.6s ease, color 0.4s ease;
}

/* ── Scrollbar ───────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-bg); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }

/* ── Glass Panel Mixin ───────────────────────────────── */
.glass {
    background: var(--surface-bg);
    backdrop-filter: blur(var(--surface-blur));
    -webkit-backdrop-filter: blur(var(--surface-blur));
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--surface-shadow);
    transition: all var(--transition-normal);
}
.glass:hover {
    background: var(--surface-bg-hover);
    border-color: var(--surface-border-hover);
    box-shadow: var(--surface-shadow-hover);
}

/* ── Background Canvas ───────────────────────────────── */
#bg-canvas {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: var(--z-bg);
    pointer-events: none;
}

/* ── RSS Ticker Bar ──────────────────────────────────── */
.ticker-bar {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 48px;
    z-index: var(--z-ticker);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    display: flex;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}
.ticker-track {
    display: flex;
    align-items: center;
    white-space: nowrap;
    animation: ticker-scroll 90s linear infinite;
    gap: 4rem;
}
.ticker-track:hover {
    animation-play-state: paused;
}
.ticker-item {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    flex-shrink: 0;
}
.ticker-item a {
    color: #f1f5f9;
    text-decoration: none;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
}
.ticker-item a:hover { 
    color: var(--accent-primary); 
    text-shadow: 0 0 10px rgba(var(--accent-primary-rgb), 0.5);
}
.ticker-item .ticker-source { 
    background: rgba(var(--accent-primary-rgb), 0.2);
    color: var(--accent-primary); 
    font-weight: var(--font-weight-bold);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-right: 0.8rem;
    border: 1px solid rgba(var(--accent-primary-rgb), 0.4);
}
.ticker-item .ticker-dot { 
    color: var(--text-tertiary); 
    margin: 0 0.8rem;
}

@keyframes ticker-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ── Main Layout ─────────────────────────────────────── */
.app-container {
    position: relative;
    z-index: var(--z-content);
    padding: 60px var(--gap-lg) var(--gap-lg);
    max-width: 1600px;
    margin: 0 auto;
}

/* ── Top Bar (Weather + Search + Clock) ──────────────── */
.top-bar {
    display: flex;
    align-items: center;
    gap: var(--gap-md);
    margin-bottom: var(--gap-lg);
    flex-wrap: wrap;
}

.weather-widget {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.2rem;
    min-width: 200px;
}
.weather-icon { font-size: 1.8rem; }
.weather-temp { font-size: var(--font-size-xl); font-weight: var(--font-weight-bold); }
.weather-detail { font-size: var(--font-size-xs); color: var(--text-secondary); line-height: 1.3; }
.weather-city { font-weight: var(--font-weight-semibold); color: var(--text-primary); }

.clock-widget {
    padding: 0.6rem 1.2rem;
    text-align: center;
    min-width: 120px;
}
.clock-time { font-size: var(--font-size-xl); font-weight: var(--font-weight-bold); font-variant-numeric: tabular-nums; }
.clock-date { font-size: var(--font-size-xs); color: var(--text-secondary); }

/* ── Mode Toggle Switch ──────────────────────────────── */
.mode-toggle {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.4rem;
    border-radius: var(--radius-xl);
    cursor: pointer;
    user-select: none;
    flex-shrink: 0;
}
.mode-toggle-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: color var(--transition-normal);
    white-space: nowrap;
}
.mode-toggle-label.active { color: var(--accent-primary); }
.mode-toggle-label.inactive { color: var(--text-tertiary); }

.mode-toggle-track {
    width: 52px;
    height: 28px;
    border-radius: 14px;
    background: var(--surface-bg);
    border: 1px solid var(--surface-border);
    position: relative;
    transition: all var(--transition-slow);
    flex-shrink: 0;
}
.mode-toggle-track::after {
    content: '';
    position: absolute;
    top: 3px; left: 3px;
    width: 20px; height: 20px;
    border-radius: 50%;
    background: var(--accent-gradient);
    transition: transform var(--transition-slow);
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.mode-toggle-track.work::after {
    transform: translateX(24px);
}
.mode-toggle-track.work {
    border-color: rgba(59, 130, 246, 0.3);
}
/* Mode indicator dot on bookmark groups */
.mode-badge {
    font-size: 0.6rem;
    padding: 0.1rem 0.4rem;
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-left: 0.5rem;
}
.mode-badge.personal {
    background: rgba(124, 106, 255, 0.15);
    color: #7c6aff;
    border: 1px solid rgba(124, 106, 255, 0.3);
}
.mode-badge.work {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}
.mode-badge.both {
    background: rgba(0, 229, 176, 0.15);
    color: #00e5b0;
    border: 1px solid rgba(0, 229, 176, 0.3);
}

/* ── Search Bar ──────────────────────────────────────── */
.search-container { flex: 1; min-width: 280px; position: relative; }
.search-bar {
    width: 100%;
    padding: 0.75rem 1.2rem 0.75rem 2.8rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-lg);
    color: var(--input-text);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    outline: none;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}
.search-bar:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.15);
}
.search-bar::placeholder { color: var(--input-placeholder); }
.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%; transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 1rem;
    pointer-events: none;
}

/* ── Most Visited Strip ──────────────────────────────── */
.most-visited {
    margin-bottom: var(--gap-lg);
    padding: 1rem var(--panel-padding);
}
.most-visited h3 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
}
.most-visited-grid {
    display: flex;
    gap: var(--gap-sm);
    overflow-x: auto;
}
.most-visited-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--surface-bg);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-normal);
    flex-shrink: 0;
    min-width: 0;
}
.most-visited-item:hover {
    background: var(--surface-bg-hover);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}
.most-visited-item img { width: 20px; height: 20px; border-radius: 4px; }
.most-visited-item span { font-size: var(--font-size-sm); white-space: nowrap; }
.most-visited-item .mv-count {
    font-size: var(--font-size-xs);
    color: var(--accent-primary);
    font-weight: var(--font-weight-semibold);
}

/* ── Bookmark Groups ─────────────────────────────────── */
.bookmark-group {
    margin-bottom: var(--gap-lg);
    padding: var(--panel-padding);
}
.group-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--gap-md);
}
.group-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.group-count {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    background: var(--surface-bg);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
}

/* ── Bookmark Grid ───────────────────────────────────── */
.bookmark-grid {
    display: grid;
    grid-template-columns: repeat(var(--grid-cols, 6), 1fr);
    gap: var(--gap-md);
}

.bookmark-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-slow);
    background: var(--surface-bg);
    border: 1px solid var(--surface-border);
    display: flex;
    flex-direction: column;
}
.bookmark-card:hover {
    transform: translateY(-4px) scale(1.02);
    border-color: var(--accent-primary);
    box-shadow: var(--surface-shadow-hover), 0 0 20px rgba(var(--accent-primary-rgb), 0.15);
}
.bookmark-card.dragging {
    opacity: 0.5;
    transform: scale(0.95);
}
.bookmark-card.drag-over {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 20px rgba(var(--accent-secondary-rgb), 0.3);
}

.bookmark-thumbnail {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    background: var(--bg-secondary);
    display: block;
}
.bookmark-thumbnail.favicon-mode {
    object-fit: contain;
    padding: 1.5rem;
    aspect-ratio: 16/10;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
}

.bookmark-info {
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.bookmark-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.bookmark-url {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.bookmark-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-top: 0.2rem;
}
.bookmark-tag {
    font-size: 0.65rem;
    padding: 0.1rem 0.4rem;
    background: var(--tag-bg);
    color: var(--tag-text);
    border: 1px solid var(--tag-border);
    border-radius: var(--radius-sm);
}

/* Dead link badge */
.bookmark-card .dead-badge {
    position: absolute;
    top: 0.5rem; right: 0.5rem;
    background: var(--status-error);
    color: #fff;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-sm);
    z-index: 5;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
    padding: 0.6rem 1.2rem;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-md);
    background: var(--surface-bg);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.btn:hover {
    background: var(--surface-bg-hover);
    border-color: var(--surface-border-hover);
    transform: translateY(-1px);
}
.btn-primary {
    background: var(--accent-gradient);
    border-color: transparent;
    color: var(--text-on-accent);
}
.btn-primary:hover {
    background: var(--accent-gradient-hover);
    box-shadow: 0 4px 15px rgba(var(--accent-primary-rgb), 0.3);
}
.btn-danger {
    border-color: var(--status-error);
    color: var(--status-error);
}
.btn-danger:hover { background: rgba(255, 107, 107, 0.15); }
.btn-sm { padding: 0.35rem 0.75rem; font-size: var(--font-size-xs); }
.btn-icon { padding: 0.5rem; min-width: 36px; justify-content: center; }

/* ── Modal / Overlay ─────────────────────────────────── */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}
.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-xl);
    padding: var(--gap-lg);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 25px 60px rgba(0,0,0,0.4);
    transform: translateY(20px);
    transition: transform var(--transition-slow);
}
.modal-overlay.active .modal { transform: translateY(0); }
.modal h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--gap-md);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Form Inputs ─────────────────────────────────────── */
.form-group { margin-bottom: var(--gap-md); }
.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}
.form-input {
    width: 100%;
    padding: 0.6rem 1rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    color: var(--input-text);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    outline: none;
    transition: border-color var(--transition-fast);
}
.form-input:focus {
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.12);
}

/* ── Toast Notifications ─────────────────────────────── */
.toast-container {
    position: fixed;
    bottom: 1.5rem; right: 1.5rem;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.toast {
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--text-on-accent);
    backdrop-filter: blur(12px);
    animation: toastIn 0.3s ease forwards;
    max-width: 350px;
}
.toast.success { background: rgba(0, 229, 176, 0.85); }
.toast.error { background: rgba(255, 107, 107, 0.85); }
.toast.info { background: rgba(124, 106, 255, 0.85); }

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

/* ── Admin Link ──────────────────────────────────────── */
.admin-link {
    position: fixed;
    bottom: 1rem; left: 1rem;
    z-index: var(--z-content);
    opacity: 0.3;
    transition: opacity var(--transition-normal);
}
.admin-link:hover { opacity: 1; }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 1200px) { .bookmark-grid { --grid-cols: 4 !important; } }
@media (max-width: 900px) { .bookmark-grid { --grid-cols: 3 !important; } }
@media (max-width: 600px) {
    .bookmark-grid { --grid-cols: 2 !important; }
    .top-bar { flex-direction: column; }
    .app-container { padding: 50px var(--gap-sm) var(--gap-sm); }
}

/* ── Empty State ─────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}
.empty-state-icon { font-size: 3rem; margin-bottom: 1rem; }
.empty-state-text { font-size: var(--font-size-lg); }

/* ── Hotkey Badge ────────────────────────────────────── */
.hotkey-badge {
    position: absolute;
    top: 0.4rem; left: 0.4rem;
    background: rgba(0,0,0,0.6);
    color: var(--accent-primary);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: monospace;
    z-index: 5;
    border: 1px solid rgba(var(--accent-primary-rgb), 0.3);
}

/* ── No-select for drag ──────────────────────────────── */
.no-select { user-select: none; -webkit-user-select: none; }

/* ── Loading Spinner ─────────────────────────────────── */
.spinner {
    width: 20px; height: 20px;
    border: 2px solid var(--surface-border);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }