/* ============== BELLA - Design System ============== */
:root {
    --bg: #0a0a0f;
    --bg-elev: #14141d;
    --bg-card: #1a1a26;
    --bg-input: #22222f;
    --border: #2a2a38;
    --border-strong: #3a3a4a;
    --text: #f5f5fa;
    --text-dim: #9999a8;
    --text-muted: #6a6a78;
    --primary: #a855f7;
    --primary-dark: #9333ea;
    --primary-glow: rgba(168, 85, 247, 0.4);
    --secondary: #ec4899;
    --gradient: linear-gradient(135deg, #a855f7 0%, #ec4899 100%);
    --gradient-soft: linear-gradient(135deg, rgba(168,85,247,0.15), rgba(236,72,153,0.15));
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --radius: 14px;
    --radius-sm: 8px;
    --shadow: 0 10px 40px rgba(0,0,0,0.4);
    --shadow-lg: 0 20px 60px rgba(168,85,247,0.2);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    background-image:
        radial-gradient(at 20% 0%, rgba(168,85,247,0.08) 0px, transparent 50%),
        radial-gradient(at 80% 100%, rgba(236,72,153,0.06) 0px, transparent 50%);
    background-attachment: fixed;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--secondary); }

button { font-family: inherit; cursor: pointer; }

/* ============== TOPBAR ============== */
.topbar {
    background: rgba(10,10,15,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.topbar-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    gap: 32px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 22px;
    color: var(--text);
    letter-spacing: -0.5px;
}
.brand span { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }

.topnav {
    display: flex;
    gap: 4px;
    flex: 1;
}
.topnav a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-dim);
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s;
}
.topnav a:hover { color: var(--text); background: var(--bg-card); }
.topnav a.active {
    color: var(--text);
    background: var(--gradient-soft);
    border: 1px solid rgba(168,85,247,0.3);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
}
.user-email {
    color: var(--text-dim);
    font-size: 13px;
}
.btn-icon {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    transition: all 0.2s;
}
.btn-icon:hover { color: var(--text); border-color: var(--primary); }

/* ============== LAYOUT ============== */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px 80px;
}
.page-header { margin-bottom: 28px; }
.page-header h1 {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 6px;
}
.page-header .subtitle, .subtitle { color: var(--text-dim); font-size: 15px; }
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-dim);
    font-size: 14px;
    margin-bottom: 10px;
}
.back-link:hover { color: var(--text); }

/* ============== HERO ============== */
.hero-banner {
    background: var(--gradient);
    border-radius: var(--radius);
    padding: 36px;
    margin-bottom: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.hero-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.15), transparent 70%);
    pointer-events: none;
}
.hero-banner h1 {
    font-size: 30px;
    font-weight: 800;
    color: white;
    margin-bottom: 6px;
    letter-spacing: -1px;
}
.hero-banner p { color: rgba(255,255,255,0.9); font-size: 16px; }

.hero-stats { display: flex; gap: 12px; }
.stat-pill {
    background: rgba(255,255,255,0.18);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.25);
    padding: 14px 22px;
    border-radius: var(--radius);
    text-align: center;
    color: white;
}
.stat-value { display: block; font-size: 28px; font-weight: 800; }
.stat-label { display: block; font-size: 12px; opacity: 0.9; text-transform: uppercase; letter-spacing: 0.5px; }

/* ============== CARDS ============== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.card-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text);
}
.card-header .card-title { margin-bottom: 0; }

/* ============== TYPE GRID ============== */
.type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}
.type-card {
    background: var(--bg-elev);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    cursor: pointer;
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}
.type-card input { display: none; }
.type-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
}
.type-card.active {
    border-color: var(--primary);
    background: var(--gradient-soft);
    box-shadow: 0 0 0 4px rgba(168,85,247,0.1);
}
.type-card.active::after {
    content: '';
    position: absolute;
    top: 12px;
    right: 12px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 12px var(--primary-glow);
}
.type-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}
.type-card h3 { font-size: 16px; margin-bottom: 6px; font-weight: 700; }
.type-card p { font-size: 13px; color: var(--text-dim); line-height: 1.4; }

/* ============== FORMS ============== */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row:not(.half) { grid-column: 1 / -1; }

.form-row label, .settings-form label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
select,
textarea {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    transition: all 0.2s;
    width: 100%;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(168,85,247,0.15);
}
textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 13px;
}

/* ============== BUTTONS ============== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}
.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 16px var(--primary-glow);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px var(--primary-glow);
}
.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}
.btn-secondary {
    background: var(--bg-input);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger {
    background: rgba(239,68,68,0.1);
    color: var(--danger);
    border: 1px solid rgba(239,68,68,0.3);
}
.btn-danger:hover { background: var(--danger); color: white; }
.btn-block { width: 100%; }

.actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
    align-items: center;
}

/* ============== SETTINGS ============== */
.settings-form { display: flex; flex-direction: column; gap: 16px; max-width: 800px; }
.settings-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.settings-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--primary);
    margin-bottom: 6px;
}
.settings-card-header h3 { color: var(--text); font-size: 16px; }
.settings-card-header p { color: var(--text-dim); font-size: 13px; font-weight: 400; }
.link-help { font-size: 13px; color: var(--primary); }

/* ============== ALERTS ============== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-success { background: rgba(16,185,129,0.15); color: var(--success); border: 1px solid rgba(16,185,129,0.3); }
.alert-error { background: rgba(239,68,68,0.15); color: var(--danger); border: 1px solid rgba(239,68,68,0.3); }
.alert-info { background: rgba(59,130,246,0.15); color: var(--info); border: 1px solid rgba(59,130,246,0.3); }

/* ============== AUTH ============== */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}
.auth-container { width: 100%; max-width: 420px; }
.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 30px;
    box-shadow: var(--shadow);
}
.logo-large {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    margin-bottom: 8px;
}
.logo-large h1 {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    letter-spacing: -1px;
}
.auth-subtitle {
    text-align: center;
    color: var(--text-dim);
    margin-bottom: 24px;
    font-size: 14px;
}
.auth-form { display: flex; flex-direction: column; gap: 8px; }
.auth-form label { font-size: 13px; color: var(--text-dim); margin-top: 8px; }
.auth-form button { margin-top: 20px; padding: 13px; }
.auth-footer, .auth-demo {
    text-align: center;
    margin-top: 18px;
    font-size: 13px;
    color: var(--text-dim);
}
.auth-demo { font-family: monospace; opacity: 0.6; }

/* ============== VIDEO GRID ============== */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}
.video-card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.2s;
    cursor: pointer;
    position: relative;
}
.video-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.video-thumb {
    width: 100%;
    aspect-ratio: 16/9;
    background: var(--bg-input);
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.video-thumb.vertical { aspect-ratio: 9/16; max-height: 280px; }
.video-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.7));
}
.video-thumb svg.play-icon {
    position: absolute;
    z-index: 2;
    opacity: 0.95;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.6));
}
.video-info { padding: 14px; }
.video-info h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.video-info .meta {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    font-size: 11px;
}

.tag {
    background: var(--bg-input);
    color: var(--text-dim);
    padding: 3px 9px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.tag-short { background: rgba(244,63,94,0.15); color: #fb7185; }
.tag-long { background: rgba(59,130,246,0.15); color: #60a5fa; }
.tag-tendance { background: rgba(245,158,11,0.15); color: #fbbf24; }
.tag-cartoon { background: rgba(168,85,247,0.15); color: #c084fc; }

.meta-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }

/* ============== FILTER ============== */
.filter-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.filter-chip {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.2s;
}
.filter-chip:hover { color: var(--text); border-color: var(--primary); }
.filter-chip.active {
    background: var(--gradient);
    color: white;
    border-color: transparent;
}

/* ============== STUDIO PLAYER ============== */
.studio-layout {
    display: grid;
    gap: 24px;
}
.studio-layout.horizontal { grid-template-columns: 2fr 1fr; }
.studio-layout.vertical { grid-template-columns: 1fr 1.4fr; }
@media (max-width: 900px) {
    .studio-layout.horizontal, .studio-layout.vertical { grid-template-columns: 1fr; }
}

.player-wrapper { display: flex; flex-direction: column; gap: 16px; }
.player {
    background: #000;
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-lg);
}
.player-horizontal { aspect-ratio: 16/9; }
.player-vertical { aspect-ratio: 9/16; max-width: 380px; margin: 0 auto; }
.player video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.player-placeholder {
    aspect-ratio: 16/9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    gap: 10px;
}

.subtitle-overlay {
    position: absolute;
    bottom: 8%;
    left: 5%;
    right: 5%;
    text-align: center;
    color: white;
    font-size: 22px;
    font-weight: 800;
    text-shadow:
        2px 2px 0 #000,
        -2px 2px 0 #000,
        2px -2px 0 #000,
        -2px -2px 0 #000,
        0 0 10px rgba(0,0,0,0.8);
    pointer-events: none;
    line-height: 1.3;
    z-index: 5;
}
.player-vertical .subtitle-overlay { font-size: 26px; bottom: 12%; }

.audio-controls audio { width: 100%; }
.audio-controls audio::-webkit-media-controls-panel {
    background: var(--bg-card);
}

.studio-side { display: flex; flex-direction: column; gap: 16px; }
.script-display {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    line-height: 1.7;
    max-height: 320px;
    overflow-y: auto;
    color: var(--text-dim);
}
.action-list { display: flex; flex-direction: column; gap: 8px; }

.clip-thumbs {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px;
}
.clip-thumb {
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--border);
    transition: all 0.2s;
}
.clip-thumb:hover { border-color: var(--primary); }
.clip-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* ============== EMPTY ============== */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}
.empty-state svg { margin-bottom: 16px; opacity: 0.5; }
.empty-state h3 { color: var(--text); margin-bottom: 8px; font-size: 18px; }
.empty-state p { margin-bottom: 20px; }

/* ============== TOAST ============== */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}
.toast {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    box-shadow: var(--shadow);
    animation: slideIn 0.3s;
    border-left: 3px solid var(--primary);
    pointer-events: all;
    min-width: 240px;
}
.toast.error { border-left-color: var(--danger); }
.toast.success { border-left-color: var(--success); }
@keyframes slideIn {
    from { transform: translateX(110%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ============== LOADING ============== */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,10,15,0.85);
    backdrop-filter: blur(8px);
    z-index: 9998;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
}
.loading-overlay.active { display: flex; }
.loading-overlay p { color: var(--text); font-size: 15px; font-weight: 500; }
.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============== RESPONSIVE ============== */
@media (max-width: 768px) {
    .topbar-inner { padding: 12px 16px; gap: 12px; flex-wrap: wrap; }
    .topnav { width: 100%; order: 3; overflow-x: auto; }
    .topnav a { white-space: nowrap; font-size: 13px; padding: 8px 12px; }
    .user-email { display: none; }
    .main-content { padding: 20px 16px 60px; }
    .hero-banner { padding: 24px; }
    .hero-banner h1 { font-size: 22px; }
    .page-header h1 { font-size: 24px; }
    .form-grid { grid-template-columns: 1fr; }
    .form-row.half { grid-column: 1 / -1; }
    .video-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
    .type-grid { grid-template-columns: 1fr 1fr; }
    .type-card { padding: 14px; }
    .type-card h3 { font-size: 14px; }
    .type-card p { font-size: 11px; }
}