/**
 * Effects Styles
 * Glassmorphism effects and gradient styles
 * Enhanced with premium visual effects
 */

/* Glassmorphism effects */
.glass {
    background: var(--orbvop-surface);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--orbvop-surface-border);
    box-shadow:
        0 10px 36px rgba(15, 23, 42, 0.06),
        0 1px 0 rgba(255, 255, 255, 0.55) inset;
    transition: transform var(--orbvop-transition-normal), box-shadow var(--orbvop-transition-normal), border-color var(--orbvop-transition-normal);
}

body.app-theme-dark .glass {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.62) 0%, rgba(2, 6, 23, 0.58) 100%);
    border-color: rgba(255, 255, 255, 0.10);
    box-shadow:
        0 26px 100px rgba(0, 0, 0, 0.34),
        0 1px 0 rgba(255, 255, 255, 0.05) inset;
}

.glass:hover {
    border-color: rgba(99, 102, 241, 0.14);
    box-shadow:
        0 14px 52px rgba(15, 23, 42, 0.08),
        0 0 0 1px rgba(99, 102, 241, 0.06),
        0 1px 0 rgba(255, 255, 255, 0.6) inset;
    transform: translateY(-1px);
}

body.app-theme-dark .glass:hover {
    border-color: rgba(129, 140, 248, 0.22);
    box-shadow:
        0 30px 120px rgba(0, 0, 0, 0.42),
        0 0 0 1px rgba(129, 140, 248, 0.10),
        0 1px 0 rgba(255, 255, 255, 0.06) inset;
}

.glass-dark {
    background: rgba(15, 23, 42, 0.72);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #f1f5f9;
    box-shadow: 
        0 4px 24px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

body.app-theme-light .glass-dark {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(15, 23, 42, 0.08);
    color: #0f172a;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.glass-primary {
    background: rgba(99, 102, 241, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(99, 102, 241, 0.15);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.1);
}

.glass-success {
    background: rgba(16, 185, 129, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(16, 185, 129, 0.15);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.1);
}

.glass-warning {
    background: rgba(245, 158, 11, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(245, 158, 11, 0.15);
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.1);
}

.glass-error {
    background: rgba(239, 68, 68, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(239, 68, 68, 0.15);
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.1);
}

/* Gradient helpers */
.grad-text {
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.grad-text-animated {
    background: linear-gradient(90deg, #6366f1, #a855f7, #ec4899, #6366f1);
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientText 4s ease infinite;
}

@keyframes gradientText {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.grad-btn {
    background: linear-gradient(135deg, #6366f1, #a855f7);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.grad-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.grad-btn:hover {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.35);
    transform: translateY(-1px);
}

.grad-btn:hover::before {
    left: 100%;
}

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

.grad-btn:disabled {
    background: #cbd5e1;
    box-shadow: none;
    cursor: not-allowed;
    transform: none;
}

.grad-btn:disabled::before {
    display: none;
}

/* Gradient borders */
.grad-border {
    position: relative;
    background: white;
    border-radius: var(--orbvop-radius-lg);
}

.grad-border::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
    border-radius: inherit;
    z-index: -1;
}

.grad-border-animated::before {
    background: linear-gradient(90deg, #6366f1, #a855f7, #ec4899, #6366f1);
    background-size: 300% 300%;
    animation: gradientBorder 4s ease infinite;
}

@keyframes gradientBorder {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Tab pill styles */
.tab-pill {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.tab-pill.active {
    background: linear-gradient(135deg, #6366f1, #a855f7);
    color: #fff;
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

/* Editor toolbar: dark material */
body.app-theme-dark .editor-tabs-shell {
    background: rgba(2, 6, 23, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow:
        0 16px 64px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

body.app-theme-dark .editor-tabs-shell .tab-pill:not(.active) {
    color: rgba(148, 163, 184, 0.92) !important;
}

body.app-theme-dark .editor-tabs-shell .tab-pill:not(.active):hover {
    background: rgba(99, 102, 241, 0.10);
    color: rgba(226, 232, 240, 0.92) !important;
}

body.app-theme-dark .editor-secondary-btn {
    background: rgba(15, 23, 42, 0.50);
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: rgba(226, 232, 240, 0.86);
    box-shadow:
        0 14px 48px rgba(0, 0, 0, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

body.app-theme-dark .editor-secondary-btn:hover {
    border-color: rgba(129, 140, 248, 0.28);
    box-shadow:
        0 18px 64px rgba(0, 0, 0, 0.26),
        0 0 0 1px rgba(129, 140, 248, 0.10),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
    transform: translateY(-1px);
}

body.app-theme-dark .editor-secondary-btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

body.app-theme-dark .editor-ai-btn {
    background:
        radial-gradient(420px 160px at 20% 0%, rgba(14, 165, 233, 0.18), transparent 60%),
        radial-gradient(520px 200px at 90% 30%, rgba(99, 102, 241, 0.14), transparent 64%),
        linear-gradient(135deg, rgba(15, 23, 42, 0.56), rgba(2, 6, 23, 0.56));
    border: 1px solid rgba(14, 165, 233, 0.22);
    color: rgba(186, 230, 253, 0.92);
    box-shadow:
        0 18px 70px rgba(0, 0, 0, 0.32),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

body.app-theme-dark .editor-ai-btn:hover {
    border-color: rgba(14, 165, 233, 0.32);
    box-shadow:
        0 24px 90px rgba(0, 0, 0, 0.36),
        0 0 0 1px rgba(14, 165, 233, 0.10),
        inset 0 1px 0 rgba(255, 255, 255, 0.07);
    transform: translateY(-1px);
}

body.app-theme-dark .editor-ai-panel {
    background:
        radial-gradient(560px 220px at 14% 0%, rgba(14, 165, 233, 0.14), transparent 62%),
        radial-gradient(560px 260px at 86% 18%, rgba(99, 102, 241, 0.12), transparent 64%),
        linear-gradient(180deg, rgba(15, 23, 42, 0.62) 0%, rgba(2, 6, 23, 0.56) 100%);
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow:
        0 26px 110px rgba(0, 0, 0, 0.42),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

body.app-theme-dark .editor-ai-chip {
    background: rgba(2, 6, 23, 0.40);
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: rgba(226, 232, 240, 0.86);
    box-shadow:
        0 14px 52px rgba(0, 0, 0, 0.30),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

body.app-theme-dark .editor-ai-chip:hover {
    border-color: rgba(255, 255, 255, 0.16);
    background: rgba(15, 23, 42, 0.55);
}

/* SubtitleEditor: dark material */
body.app-theme-dark .subtitle-shell h3 {
    color: rgba(226, 232, 240, 0.92) !important;
}

body.app-theme-dark .subtitle-filter {
    background: rgba(2, 6, 23, 0.46);
    border-color: rgba(255, 255, 255, 0.10);
    color: rgba(226, 232, 240, 0.86);
}

body.app-theme-dark .subtitle-filter option {
    background: rgba(2, 6, 23, 0.98);
    color: rgba(226, 232, 240, 0.90);
}

body.app-theme-dark .subtitle-batch-btn {
    background: rgba(2, 6, 23, 0.40);
    border-color: rgba(255, 255, 255, 0.10);
    color: rgba(226, 232, 240, 0.78);
    box-shadow:
        0 12px 44px rgba(0, 0, 0, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

body.app-theme-dark .subtitle-batch-btn:hover {
    background: rgba(15, 23, 42, 0.55);
    border-color: rgba(129, 140, 248, 0.22);
}

body.app-theme-dark .subtitle-batch-menu {
    background:
        radial-gradient(520px 220px at 18% 0%, rgba(99, 102, 241, 0.14), transparent 62%),
        linear-gradient(180deg, rgba(2, 6, 23, 0.86) 0%, rgba(2, 6, 23, 0.72) 100%);
    border-color: rgba(255, 255, 255, 0.10);
    box-shadow: 0 28px 120px rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

body.app-theme-dark .subtitle-batch-menu .text-slate-700 {
    color: rgba(226, 232, 240, 0.86) !important;
}

body.app-theme-dark .subtitle-batch-menu .text-slate-400 {
    color: rgba(148, 163, 184, 0.66) !important;
}

body.app-theme-dark .subtitle-batch-menu .border-slate-100 {
    border-color: rgba(255, 255, 255, 0.08) !important;
}

body.app-theme-dark .subtitle-batch-menu button:hover {
    background: rgba(99, 102, 241, 0.10) !important;
}

body.app-theme-dark .subtitle-batch-preset {
    background: rgba(15, 23, 42, 0.56);
    border-color: rgba(255, 255, 255, 0.10);
    color: rgba(226, 232, 240, 0.86);
}

body.app-theme-dark .subtitle-row {
    background: rgba(2, 6, 23, 0.18);
    border-color: rgba(255, 255, 255, 0.08);
}

body.app-theme-dark .subtitle-row:hover {
    background: rgba(15, 23, 42, 0.40);
    border-color: rgba(255, 255, 255, 0.14);
    box-shadow:
        0 18px 70px rgba(0, 0, 0, 0.30),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

body.app-theme-dark .subtitle-row .text-slate-700 {
    color: rgba(226, 232, 240, 0.86) !important;
}

body.app-theme-dark .subtitle-row .text-slate-400 {
    color: rgba(148, 163, 184, 0.70) !important;
}

/* AI suggestion highlight - works for both themes */
.subtitle-row.has-ai {
    background:
        radial-gradient(420px 160px at 20% 0%, rgba(245, 158, 11, 0.12), transparent 60%),
        rgba(251, 191, 36, 0.08);
    border-color: rgba(245, 158, 11, 0.25);
    box-shadow: inset 0 0 20px rgba(245, 158, 11, 0.05);
}

body.app-theme-dark .subtitle-row.has-ai {
    background:
        radial-gradient(420px 160px at 20% 0%, rgba(245, 158, 11, 0.18), transparent 60%),
        rgba(2, 6, 23, 0.35);
    border-color: rgba(245, 158, 11, 0.3);
    box-shadow: inset 0 0 25px rgba(245, 158, 11, 0.08);
}

body.app-theme-dark .subtitle-row.is-active {
    background:
        radial-gradient(520px 220px at 20% 0%, rgba(99, 102, 241, 0.20), transparent 60%),
        rgba(2, 6, 23, 0.26);
}

body.app-theme-dark .subtitle-row.is-active.ring-2 {
    box-shadow:
        0 0 0 1px rgba(129, 140, 248, 0.14),
        0 20px 80px rgba(0, 0, 0, 0.34);
}

/* AI suggestion panel - works for both themes */
.subtitle-ai-suggest {
    background:
        radial-gradient(520px 220px at 18% 0%, rgba(245, 158, 11, 0.12), transparent 62%),
        linear-gradient(135deg, rgba(254, 243, 199, 0.6), rgba(254, 215, 170, 0.5)) !important;
    border-color: rgba(245, 158, 11, 0.3) !important;
}

body.app-theme-dark .subtitle-ai-suggest {
    background:
        radial-gradient(520px 220px at 18% 0%, rgba(245, 158, 11, 0.18), transparent 62%),
        linear-gradient(135deg, rgba(15, 23, 42, 0.65), rgba(2, 6, 23, 0.65)) !important;
    border-color: rgba(245, 158, 11, 0.35) !important;
}

.subtitle-ai-suggest .text-slate-700 {
    color: rgba(120, 53, 15, 0.9) !important;
}

body.app-theme-dark .subtitle-ai-suggest .text-slate-700 {
    color: rgba(226, 232, 240, 0.9) !important;
}

body.app-theme-dark .subtitle-field {
    background: rgba(2, 6, 23, 0.40);
    border-color: rgba(255, 255, 255, 0.10);
    color: rgba(226, 232, 240, 0.88);
}

body.app-theme-dark .subtitle-field::placeholder {
    color: rgba(148, 163, 184, 0.55);
}

body.app-theme-dark .subtitle-field:focus {
    box-shadow:
        0 0 0 3px rgba(99, 102, 241, 0.22),
        0 18px 70px rgba(0, 0, 0, 0.22);
}

body.app-theme-dark .subtitle-advanced {
    border-top-color: rgba(255, 255, 255, 0.08) !important;
}

/* AI suggestion badge - works for both themes */
.subtitle-ai-badge {
    background:
        radial-gradient(280px 120px at 30% 0%, rgba(245, 158, 11, 0.2), transparent 62%),
        rgba(251, 191, 36, 0.15) !important;
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: rgba(180, 83, 9, 0.95) !important;
    box-shadow:
        0 4px 12px rgba(245, 158, 11, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

body.app-theme-dark .subtitle-ai-badge {
    background:
        radial-gradient(280px 120px at 30% 0%, rgba(245, 158, 11, 0.32), transparent 62%),
        rgba(2, 6, 23, 0.55) !important;
    border: 1px solid rgba(245, 158, 11, 0.28);
    color: rgba(251, 191, 36, 0.95) !important;
    box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

body.app-theme-dark .subtitle-check {
    background: rgba(2, 6, 23, 0.46);
    border-color: rgba(255, 255, 255, 0.14) !important;
}

body.app-theme-dark .subtitle-check:focus {
    box-shadow:
        0 0 0 3px rgba(99, 102, 241, 0.22),
        0 18px 70px rgba(0, 0, 0, 0.22) !important;
}

body.app-theme-dark .subtitle-reclone-banner {
    background:
        radial-gradient(520px 220px at 18% 0%, rgba(99, 102, 241, 0.18), transparent 62%),
        linear-gradient(180deg, rgba(2, 6, 23, 0.62) 0%, rgba(2, 6, 23, 0.46) 100%) !important;
    border-color: rgba(129, 140, 248, 0.22) !important;
    box-shadow:
        0 18px 70px rgba(0, 0, 0, 0.34),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

body.app-theme-dark .subtitle-reclone-banner .text-slate-600 {
    color: rgba(226, 232, 240, 0.82) !important;
}

body.app-theme-dark .subtitle-reclone-primary {
    box-shadow: 0 16px 60px rgba(99, 102, 241, 0.30);
}

body.app-theme-dark .subtitle-reclone-secondary {
    background: rgba(2, 6, 23, 0.40);
    border-color: rgba(255, 255, 255, 0.10) !important;
    color: rgba(226, 232, 240, 0.78) !important;
}

body.app-theme-dark .subtitle-reclone-secondary:hover {
    background: rgba(15, 23, 42, 0.56) !important;
    border-color: rgba(129, 140, 248, 0.20) !important;
}

body.app-theme-dark .subtitle-count-badge {
    background:
        radial-gradient(220px 100px at 30% 0%, rgba(99, 102, 241, 0.24), transparent 62%),
        rgba(2, 6, 23, 0.52) !important;
    border: 1px solid rgba(129, 140, 248, 0.22);
    color: rgba(199, 210, 254, 0.92) !important;
    box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

body.app-theme-dark .subtitle-ai-action {
    color: rgba(251, 191, 36, 0.90) !important;
}

body.app-theme-dark .subtitle-ai-action:hover {
    background: rgba(245, 158, 11, 0.10) !important;
}

body.app-theme-dark .subtitle-anim-pill {
    padding: 2px 6px;
    border-radius: 999px;
    background: rgba(99, 102, 241, 0.10);
    border: 1px solid rgba(129, 140, 248, 0.18);
    color: rgba(199, 210, 254, 0.90) !important;
}

/* SubtitleEditor geometry overlays */
.subtitle-shell {
    position: relative;
}

.subtitle-geo {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    border-radius: 16px;
}

.subtitle-shell > *:not(.subtitle-geo) {
    position: relative;
    z-index: 1;
}

body.app-theme-dark .subtitle-geo-orbit {
    position: absolute;
    width: 420px;
    height: 420px;
    top: -120px;
    right: -140px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.10), transparent 58%),
        radial-gradient(circle at 70% 70%, rgba(168, 85, 247, 0.06), transparent 62%);
    filter: blur(0.2px);
    opacity: 0.5;
}

body.app-theme-dark .subtitle-geo-orbit::before {
    content: '';
    position: absolute;
    inset: 38px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
    opacity: 0.38;
}

body.app-theme-dark .subtitle-geo-grid {
    position: absolute;
    inset: -40px;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 44px 44px;
    transform: rotate(-8deg);
    opacity: 0.12;
    mask-image: radial-gradient(380px 260px at 18% 10%, black, transparent 70%);
}

body.app-theme-dark .subtitle-geo-right .subtitle-geo-rings {
    position: absolute;
    width: 520px;
    height: 520px;
    left: -180px;
    bottom: -200px;
    border-radius: 50%;
    background:
        radial-gradient(circle at 50% 50%, rgba(245, 158, 11, 0.05), transparent 62%),
        radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.06), transparent 60%);
    opacity: 0.5;
}

body.app-theme-dark .subtitle-geo-right .subtitle-geo-rings::before,
body.app-theme-dark .subtitle-geo-right .subtitle-geo-rings::after {
    content: '';
    position: absolute;
    inset: 110px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    opacity: 0.3;
}

body.app-theme-dark .subtitle-geo-right .subtitle-geo-rings::after {
    inset: 178px;
    opacity: 0.18;
}

@media (prefers-reduced-motion: reduce) {
    body.app-theme-dark .subtitle-geo-grid {
        transform: none;
    }
}

body.app-theme-dark .subtitle-mini-btn {
    background: rgba(2, 6, 23, 0.40);
    border-color: rgba(255, 255, 255, 0.10);
    color: rgba(226, 232, 240, 0.78) !important;
}

body.app-theme-dark .subtitle-mini-btn:hover {
    background: rgba(15, 23, 42, 0.56) !important;
    border-color: rgba(129, 140, 248, 0.20) !important;
}

/* PreviewView: finished work look */
body.app-theme-dark .preview-card h2,
body.app-theme-dark .preview-card h3 {
    color: rgba(226, 232, 240, 0.92) !important;
}

body.app-theme-dark .preview-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(2, 6, 23, 0.46);
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: rgba(226, 232, 240, 0.80);
    box-shadow:
        0 14px 52px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

body.app-theme-dark .preview-lang-select {
    background: rgba(2, 6, 23, 0.46);
    border-color: rgba(255, 255, 255, 0.10);
    color: rgba(226, 232, 240, 0.86);
}

body.app-theme-dark .preview-lang-select option {
    background: rgba(2, 6, 23, 0.98);
    color: rgba(226, 232, 240, 0.90);
}

body.app-theme-dark .preview-back-btn {
    background: rgba(2, 6, 23, 0.40) !important;
    border: 1px solid rgba(255, 255, 255, 0.10);
    color: rgba(226, 232, 240, 0.80) !important;
    box-shadow:
        0 14px 52px rgba(0, 0, 0, 0.26),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

body.app-theme-dark .preview-back-btn:hover {
    background: rgba(15, 23, 42, 0.56) !important;
    border-color: rgba(129, 140, 248, 0.22);
}

body.app-theme-dark .preview-frame {
    background:
        radial-gradient(820px 360px at 18% 0%, rgba(99, 102, 241, 0.16), transparent 62%),
        radial-gradient(760px 360px at 90% 30%, rgba(14, 165, 233, 0.10), transparent 64%),
        linear-gradient(180deg, rgba(2, 6, 23, 0.92), rgba(2, 6, 23, 0.86)) !important;
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow:
        0 34px 140px rgba(0, 0, 0, 0.55),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

body.app-theme-dark .preview-frame::before {
    content: '';
    position: absolute;
    inset: 10px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    pointer-events: none;
}

body.app-theme-dark .preview-caption {
    background:
        radial-gradient(520px 180px at 20% 0%, rgba(255, 255, 255, 0.10), transparent 60%),
        rgba(0, 0, 0, 0.72) !important;
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow: 0 22px 90px rgba(0, 0, 0, 0.55);
}

/* Editor ambient workspace layer */
.editor-shell {
    position: relative;
}

.editor-ambient {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    border-radius: 0;
}

.editor-shell > *:not(.editor-ambient) {
    position: relative;
    z-index: 1;
}

body.app-theme-dark .editor-ambient-vignette {
    position: absolute;
    inset: -12%;
    background:
        radial-gradient(860px 480px at 18% 0%, rgba(99, 102, 241, 0.12), transparent 58%),
        radial-gradient(800px 480px at 92% 18%, rgba(168, 85, 247, 0.08), transparent 62%),
        radial-gradient(900px 620px at 50% 82%, rgba(0, 0, 0, 0.42), transparent 58%),
        radial-gradient(1000px 720px at 50% 50%, transparent 45%, rgba(0, 0, 0, 0.58) 100%);
    opacity: 0.9;
}

body.app-theme-dark .editor-ambient-noise {
    position: absolute;
    inset: 0;
    opacity: 0.08;
    background-image:
        repeating-radial-gradient(circle at 10% 20%, rgba(255,255,255,0.06) 0 1px, transparent 1px 4px),
        repeating-radial-gradient(circle at 86% 72%, rgba(255,255,255,0.04) 0 1px, transparent 1px 6px);
    mix-blend-mode: soft-light;
}

body.app-theme-dark .editor-ambient-scan {
    position: absolute;
    inset: 0;
    opacity: 0.25;
    background:
        linear-gradient(180deg, rgba(255,255,255,0.05), transparent 22%),
        repeating-linear-gradient(0deg, rgba(255,255,255,0.014) 0px, rgba(255,255,255,0.014) 1px, transparent 1px, transparent 5px);
    mask-image: radial-gradient(860px 520px at 40% 0%, black, transparent 74%);
}

@media (prefers-reduced-motion: reduce) {
    body.app-theme-dark .editor-ambient-scan {
        opacity: 0.22;
    }
}

.tab-pill:hover:not(.active) {
    background: rgba(99, 102, 241, 0.08);
}

@media (prefers-reduced-motion: reduce) {
    .glass,
    .glass:hover {
        transition: none;
        transform: none;
    }
}

/* Language selection */
.checked-lang {
    border-color: #6366f1;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(168, 85, 247, 0.05) 100%);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.15);
}

/* Glow effects */
.glow-primary {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
}

.glow-secondary {
    box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
}

.glow-accent {
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.3);
}

.glow-success {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
}

/* Hover glow effect */
.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.25);
}

/* Slide down transition */
.slide-down-enter-active,
.slide-down-leave-active {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-down-enter-from,
.slide-down-leave-to {
    opacity: 0;
    transform: translateY(-10px);
}

/* Dropdown transition */
.dropdown-enter-active,
.dropdown-leave-active {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.dropdown-enter-from,
.dropdown-leave-to {
    opacity: 0;
    transform: translateY(-8px) scale(0.95);
}

/* Tab fade transition */
.tab-fade-enter-active,
.tab-fade-leave-active {
    transition: opacity 0.2s ease;
}

.tab-fade-enter-from,
.tab-fade-leave-to {
    opacity: 0;
}

/* Modal overlay fade (Phase 2 确认弹窗等) */
.modal-fade-enter-active,
.modal-fade-leave-active {
    transition: opacity 0.2s ease;
}

.modal-fade-enter-from,
.modal-fade-leave-to {
    opacity: 0;
}

/* Scale fade transition */
.scale-fade-enter-active,
.scale-fade-leave-active {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.scale-fade-enter-from,
.scale-fade-leave-to {
    opacity: 0;
    transform: scale(0.95);
}

/* Focus ring */
.focus-ring {
    outline: none;
}

.focus-ring:focus {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.focus-ring-primary:focus {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.focus-ring-success:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3);
}

.focus-ring-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.3);
}

/* Shimmer effect */
.shimmer {
    background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
    background-size: 200px 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

/* Pulse effect */
.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Bounce effect */
.bounce {
    animation: bounce 1s ease infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Float effect */
.float {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Highlight effect */
.highlight {
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #6366f1, #a855f7);
    transition: width 0.3s ease;
}

.highlight:hover::after {
    width: 100%;
}

/* Card hover effect */
.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

/* Button press effect */
.btn-press {
    transition: all 0.15s ease;
}

.btn-press:active {
    transform: scale(0.97);
}

/* Icon spin on hover */
.icon-spin-hover:hover svg {
    animation: spin 0.5s ease;
}

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

/* Underline animation */
.underline-hover {
    position: relative;
}

.underline-hover::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.underline-hover:hover::after {
    width: 100%;
}

/* Background gradient animation */
.bg-gradient-animated {
    background: linear-gradient(-45deg, #6366f1, #a855f7, #ec4899, #6366f1);
    background-size: 400% 400%;
    animation: gradientBg 15s ease infinite;
}

@keyframes gradientBg {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Text selection color */
::selection {
    background: rgba(99, 102, 241, 0.2);
    color: #0f172a;
}

::-moz-selection {
    background: rgba(99, 102, 241, 0.2);
    color: #0f172a;
}