/* ============================================
   VOICE LIBRARY - SPLIT PANEL BROWSER
   Fast browsing of 100+ voices with preview
   ============================================ */

/* Design tokens */
:root {
    --vp-bg-deep: #050508;
    --vp-bg-surface: #0a0b0f;
    --vp-bg-card: #0f1014;
    --vp-bg-card-hover: #14161c;
    --vp-border-dim: rgba(255, 255, 255, 0.04);
    --vp-border-subtle: rgba(255, 255, 255, 0.08);
    --vp-border-glow: rgba(255, 255, 255, 0.12);
    --vp-text-primary: #f4f4f5;
    --vp-text-secondary: rgba(244, 244, 245, 0.6);
    --vp-text-tertiary: rgba(244, 244, 245, 0.4);
    --vp-accent-cyan: #00d4ff;
    --vp-accent-cyan-rgb: 0, 212, 255;
    --vp-accent-emerald: #22c55e;
    --vp-accent-amber: #f59e0b;
    --vp-glow-intensity: 0.15;
    --vp-transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
    --vp-transition-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Modal Overlay */
.voice-picker-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--vp-transition-smooth);
}

.voice-picker-overlay.active {
    opacity: 1;
    visibility: visible;
}

.voice-picker-overlay.active .voice-picker-modal {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Modal Container */
.voice-picker-modal {
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    background: var(--vp-bg-deep);
    border: 1px solid var(--vp-border-subtle);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    transform: scale(0.95) translateY(20px);
    opacity: 0;
    transition: all 0.5s var(--vp-transition-bounce);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.03),
        0 40px 100px -20px rgba(0, 0, 0, 0.8),
        0 0 100px rgba(var(--vp-accent-cyan-rgb), 0.05);
}

/* Header */
.voice-picker-header {
    padding: 16px 20px 12px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
    border-bottom: 1px solid var(--vp-border-dim);
    position: relative;
    z-index: 1;
}

.voice-picker-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.voice-picker-title-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.voice-picker-title {
    font-family: 'Clash Display', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--vp-text-primary);
    letter-spacing: -0.02em;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.voice-picker-title::before {
    content: '';
    width: 3px;
    height: 16px;
    background: linear-gradient(180deg, var(--vp-accent-cyan), var(--vp-accent-emerald));
    border-radius: 2px;
}

.voice-picker-subtitle {
    font-family: 'Azeret Mono', monospace;
    font-size: 0.7rem;
    color: var(--vp-text-tertiary);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0;
    padding-left: 16px;
}

/* Close Button - Minimal red X */
.voice-picker-close {
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    color: #ef4444;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s var(--vp-transition-smooth);
    flex-shrink: 0;
    padding: 0;
}

.voice-picker-close:hover {
    color: #f87171;
    transform: rotate(180deg);
}

.voice-picker-close:active {
    transform: rotate(180deg) scale(0.9);
}

.voice-picker-close svg {
    width: 20px;
    height: 20px;
    stroke-width: 2.5;
}

/* Search Bar */
.voice-picker-search {
    position: relative;
    margin-bottom: 12px;
}

.voice-picker-search-input {
    width: 100%;
    height: 40px;
    padding: 0 16px 0 40px;
    background: var(--vp-bg-surface);
    border: 1px solid var(--vp-border-dim);
    border-radius: 10px;
    font-family: 'General Sans', sans-serif;
    font-size: 0.85rem;
    color: var(--vp-text-primary);
    transition: all 0.25s var(--vp-transition-smooth);
}

.voice-picker-search-input::placeholder {
    color: var(--vp-text-tertiary);
}

.voice-picker-search-input:focus {
    outline: none;
    border-color: rgba(var(--vp-accent-cyan-rgb), 0.4);
    box-shadow: 0 0 0 3px rgba(var(--vp-accent-cyan-rgb), 0.08);
}

.voice-picker-search .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--vp-text-tertiary);
    pointer-events: none;
}

/* Filter Tabs - Compact Pills */
.voice-picker-filters {
    display: flex;
    gap: 2px;
    padding: 3px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.voice-filter-tab {
    padding: 6px 12px;
    background: transparent;
    border: none;
    border-radius: 6px;
    font-family: 'Inter', -apple-system, sans-serif;
    font-size: 0.65rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.45);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.voice-filter-tab:hover {
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.05);
}

.voice-filter-tab.active {
    color: #fff;
    background: linear-gradient(180deg, rgba(var(--vp-accent-cyan-rgb), 0.85) 0%, rgba(var(--vp-accent-cyan-rgb), 0.65) 100%);
    box-shadow: 0 2px 8px rgba(var(--vp-accent-cyan-rgb), 0.35);
}

/* ============================================
   SPLIT PANEL BODY
   ============================================ */

.voice-picker-body {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
    z-index: 1;
    min-height: 0;
}

/* Left Panel - Voice List */
.vp-list-panel {
    width: 280px;
    flex-shrink: 0;
    border-right: 1px solid var(--vp-border-dim);
    display: flex;
    flex-direction: column;
    background: var(--vp-bg-surface);
}

.vp-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.vp-list::-webkit-scrollbar {
    width: 6px;
}

.vp-list::-webkit-scrollbar-track {
    background: transparent;
}

.vp-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.vp-list::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.15);
}

/* Voice List Item - Compact Row */
.vp-list-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
    margin-bottom: 2px;
}

.vp-list-item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.vp-list-item.selected {
    background: rgba(var(--vp-accent-cyan-rgb), 0.12);
    border: 1px solid rgba(var(--vp-accent-cyan-rgb), 0.25);
    margin: -1px;
    margin-bottom: 1px;
}

.vp-list-item.playing {
    background: rgba(var(--vp-accent-cyan-rgb), 0.08);
}

/* List Item Avatar Dot */
.vp-list-avatar {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-family: 'Clash Display', sans-serif;
    font-size: 0.65rem;
    font-weight: 600;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* List Item Info */
.vp-list-info {
    flex: 1;
    min-width: 0;
}

.vp-list-name {
    font-family: 'General Sans', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--vp-text-primary);
    margin: 0 0 2px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vp-list-meta {
    font-family: 'General Sans', sans-serif;
    font-size: 0.65rem;
    color: var(--vp-text-tertiary);
    text-transform: capitalize;
}

/* Gender Icon */
.vp-list-gender {
    width: 16px;
    height: 16px;
    color: var(--vp-text-tertiary);
    flex-shrink: 0;
}

/* ============================================
   SPECTRAL AVATAR DESIGN SYSTEM
   13 color bands × 8 emanation positions = 104 unique avatars
   ============================================ */

@keyframes spectral-pulse {
    0%, 100% {
        background-size: 100% 100%, 100% 100%;
        opacity: 1;
    }
    50% {
        background-size: 180% 180%, 100% 100%;
        opacity: 0.95;
    }
}

/* List Item Avatar - Spectral System */
.vp-item-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    /* Base styling */
    box-shadow:
        inset 0 -2px 4px rgba(0,0,0,0.3),
        inset 0 1px 1px rgba(255,255,255,0.1),
        0 2px 8px rgba(0,0,0,0.4);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: all 0.2s ease;
    /* Spectral animation */
    animation: spectral-pulse 8s ease-in-out infinite;
}

/* ============================================
   13 COLOR BANDS - Complementary color pairs
   Each avatar has PRIMARY + COMPLEMENTARY colors
   ============================================ */

/* 1. TEAL + CORAL (complementary) */
.vp-list-item:nth-child(13n+1) .vp-item-avatar {
    background:
        radial-gradient(circle at var(--emanate-x, 50%) var(--emanate-y, 50%), #f87171 0%, transparent 50%),
        radial-gradient(circle at center, #0d9488 0%, #14b8a6 60%, #2dd4bf 100%);
}

/* 2. PURPLE + GOLD (complementary) */
.vp-list-item:nth-child(13n+2) .vp-item-avatar {
    background:
        radial-gradient(circle at var(--emanate-x, 50%) var(--emanate-y, 50%), #fbbf24 0%, transparent 50%),
        radial-gradient(circle at center, #5b21b6 0%, #7c3aed 60%, #a78bfa 100%);
}

/* 3. RED + CYAN (complementary) */
.vp-list-item:nth-child(13n+3) .vp-item-avatar {
    background:
        radial-gradient(circle at var(--emanate-x, 50%) var(--emanate-y, 50%), #22d3ee 0%, transparent 50%),
        radial-gradient(circle at center, #991b1b 0%, #dc2626 60%, #f87171 100%);
}

/* 4. BLUE + ORANGE (complementary) */
.vp-list-item:nth-child(13n+4) .vp-item-avatar {
    background:
        radial-gradient(circle at var(--emanate-x, 50%) var(--emanate-y, 50%), #fb923c 0%, transparent 50%),
        radial-gradient(circle at center, #1e40af 0%, #3b82f6 60%, #60a5fa 100%);
}

/* 5. ORANGE + BLUE (complementary) */
.vp-list-item:nth-child(13n+5) .vp-item-avatar {
    background:
        radial-gradient(circle at var(--emanate-x, 50%) var(--emanate-y, 50%), #3b82f6 0%, transparent 50%),
        radial-gradient(circle at center, #c2410c 0%, #f97316 60%, #fdba74 100%);
}

/* 6. GREEN + MAGENTA (complementary) */
.vp-list-item:nth-child(13n+6) .vp-item-avatar {
    background:
        radial-gradient(circle at var(--emanate-x, 50%) var(--emanate-y, 50%), #ec4899 0%, transparent 50%),
        radial-gradient(circle at center, #15803d 0%, #22c55e 60%, #86efac 100%);
}

/* 7. PINK + MINT (complementary) */
.vp-list-item:nth-child(13n+7) .vp-item-avatar {
    background:
        radial-gradient(circle at var(--emanate-x, 50%) var(--emanate-y, 50%), #34d399 0%, transparent 50%),
        radial-gradient(circle at center, #be185d 0%, #ec4899 60%, #f9a8d4 100%);
}

/* 8. CYAN + ROSE (complementary) */
.vp-list-item:nth-child(13n+8) .vp-item-avatar {
    background:
        radial-gradient(circle at var(--emanate-x, 50%) var(--emanate-y, 50%), #fb7185 0%, transparent 50%),
        radial-gradient(circle at center, #0e7490 0%, #06b6d4 60%, #67e8f9 100%);
}

/* 9. VIOLET + LIME (complementary) */
.vp-list-item:nth-child(13n+9) .vp-item-avatar {
    background:
        radial-gradient(circle at var(--emanate-x, 50%) var(--emanate-y, 50%), #a3e635 0%, transparent 50%),
        radial-gradient(circle at center, #6d28d9 0%, #8b5cf6 60%, #c4b5fd 100%);
}

/* 10. AMBER + INDIGO (complementary) */
.vp-list-item:nth-child(13n+10) .vp-item-avatar {
    background:
        radial-gradient(circle at var(--emanate-x, 50%) var(--emanate-y, 50%), #818cf8 0%, transparent 50%),
        radial-gradient(circle at center, #b45309 0%, #f59e0b 60%, #fde047 100%);
}

/* 11. AQUA + CORAL (complementary) */
.vp-list-item:nth-child(13n+11) .vp-item-avatar {
    background:
        radial-gradient(circle at var(--emanate-x, 50%) var(--emanate-y, 50%), #f97316 0%, transparent 50%),
        radial-gradient(circle at center, #155e75 0%, #0891b2 60%, #22d3ee 100%);
}

/* 12. LIME + VIOLET (complementary) */
.vp-list-item:nth-child(13n+12) .vp-item-avatar {
    background:
        radial-gradient(circle at var(--emanate-x, 50%) var(--emanate-y, 50%), #a78bfa 0%, transparent 50%),
        radial-gradient(circle at center, #3f6212 0%, #84cc16 60%, #bef264 100%);
}

/* 13. ROSE + TEAL (complementary) */
.vp-list-item:nth-child(13n+13) .vp-item-avatar {
    background:
        radial-gradient(circle at var(--emanate-x, 50%) var(--emanate-y, 50%), #2dd4bf 0%, transparent 50%),
        radial-gradient(circle at center, #9f1239 0%, #e11d48 60%, #fda4af 100%);
}

/* ============================================
   8 EMANATION POSITIONS - Light source origins
   Each avatar emanates from a different point
   ============================================ */

.vp-list-item:nth-child(8n+1) .vp-item-avatar { --emanate-x: 50%; --emanate-y: 50%; }
.vp-list-item:nth-child(8n+2) .vp-item-avatar { --emanate-x: 25%; --emanate-y: 25%; }
.vp-list-item:nth-child(8n+3) .vp-item-avatar { --emanate-x: 75%; --emanate-y: 25%; }
.vp-list-item:nth-child(8n+4) .vp-item-avatar { --emanate-x: 25%; --emanate-y: 75%; }
.vp-list-item:nth-child(8n+5) .vp-item-avatar { --emanate-x: 75%; --emanate-y: 75%; }
.vp-list-item:nth-child(8n+6) .vp-item-avatar { --emanate-x: 20%; --emanate-y: 50%; }
.vp-list-item:nth-child(8n+7) .vp-item-avatar { --emanate-x: 80%; --emanate-y: 50%; }
.vp-list-item:nth-child(8n+8) .vp-item-avatar { --emanate-x: 50%; --emanate-y: 20%; }

/* ============================================
   ANIMATION DELAYS - Desync the pulses
   ============================================ */

.vp-list-item:nth-child(8n+1) .vp-item-avatar { animation-delay: 0s; }
.vp-list-item:nth-child(8n+2) .vp-item-avatar { animation-delay: 1s; }
.vp-list-item:nth-child(8n+3) .vp-item-avatar { animation-delay: 2s; }
.vp-list-item:nth-child(8n+4) .vp-item-avatar { animation-delay: 3s; }
.vp-list-item:nth-child(8n+5) .vp-item-avatar { animation-delay: 4s; }
.vp-list-item:nth-child(8n+6) .vp-item-avatar { animation-delay: 5s; }
.vp-list-item:nth-child(8n+7) .vp-item-avatar { animation-delay: 6s; }
.vp-list-item:nth-child(8n+8) .vp-item-avatar { animation-delay: 7s; }

.vp-list-item:hover .vp-item-avatar {
    box-shadow:
        inset 0 -2px 4px rgba(0,0,0,0.3),
        inset 0 1px 1px rgba(255,255,255,0.15),
        0 4px 12px rgba(0,0,0,0.5);
    border-color: rgba(255, 255, 255, 0.1);
}

.vp-list-item.selected .vp-item-avatar {
    border-color: rgba(var(--vp-accent-cyan-rgb), 0.5);
    box-shadow:
        inset 0 -2px 4px rgba(0,0,0,0.3),
        inset 0 1px 1px rgba(255,255,255,0.1),
        0 0 0 2px rgba(var(--vp-accent-cyan-rgb), 0.15),
        0 2px 8px rgba(0,0,0,0.4);
}

.vp-list-item.playing .vp-item-avatar {
    border-color: rgba(var(--vp-accent-cyan-rgb), 0.6);
    box-shadow:
        inset 0 -2px 4px rgba(0,0,0,0.3),
        inset 0 1px 1px rgba(255,255,255,0.1),
        0 0 12px rgba(var(--vp-accent-cyan-rgb), 0.25);
}

.vp-item-initials {
    font-family: 'Clash Display', sans-serif;
    font-size: 0.7rem;
    font-weight: 600;
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    letter-spacing: 0.02em;
    z-index: 1;
}

.vp-item-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.vp-item-name {
    font-family: 'General Sans', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--vp-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vp-item-meta {
    font-family: 'General Sans', sans-serif;
    font-size: 0.65rem;
    color: var(--vp-text-tertiary);
}

/* Playing Indicator - Mini Waveform */
.vp-item-playing {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
    padding-left: 8px;
}

.vp-item-playing span {
    width: 2px;
    height: 12px;
    background: var(--vp-accent-cyan);
    border-radius: 1px;
    animation: miniWave 0.6s ease-in-out infinite;
}

.vp-item-playing span:nth-child(1) { animation-delay: 0s; }
.vp-item-playing span:nth-child(2) { animation-delay: 0.15s; }
.vp-item-playing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes miniWave {
    0%, 100% { height: 4px; }
    50% { height: 14px; }
}

/* Preview Trait Tags */
.vp-trait-tag {
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    font-family: 'General Sans', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--vp-text-secondary);
}

/* Playing Indicator in List (legacy) */
.vp-list-item.playing .vp-list-avatar::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--vp-accent-cyan);
    border-radius: 50%;
    animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* ============================================
   RIGHT PANEL - PREVIEW
   ============================================ */

.vp-preview-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 24px;
    text-align: center;
    background: var(--vp-bg-deep);
    min-width: 0;
}

/* Preview Avatar - Refined, Professional */
.vp-preview-avatar {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
    transition: all 0.2s ease;
    background: linear-gradient(145deg, var(--vp-accent-cyan), #1a2332);
    margin-bottom: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.vp-preview-avatar:hover {
    transform: translateY(-1px);
    box-shadow:
        0 6px 20px rgba(0, 0, 0, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.vp-preview-avatar.playing {
    box-shadow:
        0 4px 16px rgba(0, 0, 0, 0.3),
        0 0 0 2px rgba(var(--vp-accent-cyan-rgb), 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.vp-preview-initials {
    font-family: 'Clash Display', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.01em;
    z-index: 1;
}

/* Play Button Overlay */
.vp-preview-play-btn {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: none;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: all 0.25s ease;
    z-index: 2;
}

.vp-preview-avatar:hover .vp-preview-play-btn {
    opacity: 1;
}

.vp-preview-play-btn svg {
    width: 44px;
    height: 44px;
    color: white;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
    transition: transform 0.2s ease;
}

.vp-preview-play-btn:hover svg {
    transform: scale(1.1);
}

.vp-preview-play-btn:active svg {
    transform: scale(0.95);
}

/* Preview Name */
.vp-preview-name {
    font-family: 'Clash Display', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--vp-text-primary);
    margin: 0 0 6px 0;
    letter-spacing: -0.02em;
}

/* Preview Meta */
.vp-preview-meta {
    font-family: 'General Sans', sans-serif;
    font-size: 0.85rem;
    color: var(--vp-text-secondary);
    margin: 0 0 16px 0;
    text-transform: capitalize;
}

/* Preview Traits */
.vp-preview-traits {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
    max-width: 300px;
}

.vp-preview-trait {
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    font-family: 'General Sans', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--vp-text-secondary);
}

/* Preview Waveform */
.vp-preview-waveform {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    height: 40px;
    margin-bottom: 24px;
    opacity: 0.3;
    transition: opacity 0.3s ease;
}

.vp-preview-waveform.active {
    opacity: 1;
}

.vp-preview-waveform span {
    width: 4px;
    height: 20px;
    background: linear-gradient(180deg, var(--vp-accent-cyan), var(--vp-accent-emerald));
    border-radius: 2px;
    transition: height 0.1s ease;
}

.vp-preview-waveform.active span {
    animation: waveform 0.8s ease-in-out infinite;
}

.vp-preview-waveform span:nth-child(1) { height: 12px; animation-delay: 0s; }
.vp-preview-waveform span:nth-child(2) { height: 20px; animation-delay: 0.1s; }
.vp-preview-waveform span:nth-child(3) { height: 28px; animation-delay: 0.2s; }
.vp-preview-waveform span:nth-child(4) { height: 35px; animation-delay: 0.15s; }
.vp-preview-waveform span:nth-child(5) { height: 25px; animation-delay: 0.25s; }
.vp-preview-waveform span:nth-child(6) { height: 30px; animation-delay: 0.05s; }
.vp-preview-waveform span:nth-child(7) { height: 22px; animation-delay: 0.2s; }
.vp-preview-waveform span:nth-child(8) { height: 18px; animation-delay: 0.1s; }
.vp-preview-waveform span:nth-child(9) { height: 24px; animation-delay: 0.15s; }
.vp-preview-waveform span:nth-child(10) { height: 14px; animation-delay: 0.25s; }

@keyframes waveform {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(0.4); }
}

/* Select Button */
.vp-select-btn {
    padding: 14px 32px;
    background: linear-gradient(180deg, var(--vp-accent-cyan), rgba(var(--vp-accent-cyan-rgb), 0.8));
    border: none;
    border-radius: 12px;
    font-family: 'General Sans', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--vp-bg-deep);
    cursor: pointer;
    transition: all 0.25s var(--vp-transition-smooth);
    box-shadow: 0 4px 20px rgba(var(--vp-accent-cyan-rgb), 0.3);
}

.vp-select-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(var(--vp-accent-cyan-rgb), 0.4);
}

.vp-select-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ============================================
   FOOTER
   ============================================ */

.voice-picker-footer {
    padding: 12px 20px;
    background: var(--vp-bg-surface);
    border-top: 1px solid var(--vp-border-dim);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.vp-footer-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.vp-voice-count {
    font-family: 'Azeret Mono', monospace;
    font-size: 0.7rem;
    color: var(--vp-text-tertiary);
    letter-spacing: 0.05em;
}

.vp-footer-actions {
    display: flex;
    gap: 10px;
}

.vp-cancel-btn {
    padding: 8px 20px;
    background: transparent;
    border: 1px solid var(--vp-border-subtle);
    border-radius: 8px;
    font-family: 'General Sans', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--vp-text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.vp-cancel-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--vp-border-glow);
    color: var(--vp-text-primary);
}

/* ============================================
   LOADING & EMPTY STATES
   ============================================ */

.voice-picker-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--vp-bg-deep);
    z-index: 10;
}

.voice-picker-loading .loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--vp-border-subtle);
    border-top-color: var(--vp-accent-cyan);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

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

.voice-picker-loading p {
    font-family: 'General Sans', sans-serif;
    font-size: 0.85rem;
    color: var(--vp-text-secondary);
    margin: 0;
}

.voice-picker-empty {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
}

.voice-picker-empty svg {
    width: 48px;
    height: 48px;
    color: var(--vp-text-tertiary);
    margin-bottom: 16px;
    opacity: 0.5;
}

.voice-picker-empty p {
    font-family: 'Clash Display', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--vp-text-primary);
    margin: 0 0 6px 0;
}

.voice-picker-empty span {
    font-family: 'General Sans', sans-serif;
    font-size: 0.85rem;
    color: var(--vp-text-tertiary);
}

/* ============================================
   MOBILE PREVIEW HEADER (Hidden on desktop)
   ============================================ */

.vp-mobile-preview-header {
    display: none;
}

.vp-mobile-avatar {
    display: none;
}

.vp-mobile-preview-info {
    flex: 1;
    min-width: 0;
}

/* Desktop-only elements */
.vp-desktop-only {
    display: block;
}

/* ============================================
   RESPONSIVE - MOBILE
   Premium mobile-first voice picker
   ============================================ */

@media (max-width: 767px) {
    .voice-picker-modal {
        width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
        display: flex;
        flex-direction: column;
    }

    .voice-picker-header {
        padding: 12px 16px 10px;
        flex-shrink: 0;
    }

    .voice-picker-title {
        font-size: 1rem;
    }

    .voice-picker-search-input {
        height: 38px;
        font-size: 16px; /* Prevent iOS zoom */
    }

    .voice-picker-filters {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        flex-wrap: nowrap;
    }

    .voice-picker-filters::-webkit-scrollbar {
        display: none;
    }

    .voice-filter-tab {
        padding: 5px 10px;
        font-size: 0.6rem;
        flex-shrink: 0;
    }

    /* Mobile: Voice list takes most space, preview is compact bottom bar */
    .voice-picker-body {
        flex-direction: column;
        flex: 1;
        min-height: 0;
    }

    /* Voice list gets the majority of screen */
    .vp-list-panel {
        width: 100%;
        flex: 1;
        min-height: 0;
        border-right: none;
        border-bottom: none;
    }

    .vp-list {
        padding: 8px;
        height: 100%;
    }

    .vp-list-item {
        padding: 10px 12px;
        display: flex;
        align-items: center;
        gap: 12px;
    }

    /* Mobile list item has inline play button */
    .vp-list-item::after {
        content: '▶';
        font-size: 0.6rem;
        color: var(--vp-text-tertiary);
        opacity: 0;
        transition: opacity 0.2s ease;
        margin-left: auto;
    }

    .vp-list-item:hover::after,
    .vp-list-item.selected::after {
        opacity: 1;
    }

    .vp-list-item.playing::after {
        content: '⏸';
        color: var(--vp-accent-cyan);
        opacity: 1;
    }

    .vp-item-avatar {
        width: 44px;
        height: 44px;
        border-radius: 10px;
        flex-shrink: 0;
    }

    .vp-item-initials {
        font-size: 0.85rem;
    }

    .vp-item-name {
        font-size: 0.9rem;
        font-weight: 500;
    }

    .vp-item-meta {
        font-size: 0.7rem;
    }

    /* Preview panel becomes a compact bottom card */
    .vp-preview-panel {
        flex-shrink: 0;
        padding: 0;
        background: linear-gradient(180deg, rgba(0, 0, 0, 0.6) 0%, var(--vp-bg-deep) 100%);
        border-top: 1px solid var(--vp-border-subtle);
        min-height: auto;
        max-height: none;
    }

    /* Hide desktop elements on mobile */
    .vp-preview-avatar {
        display: none !important;
    }

    .vp-desktop-only {
        display: none !important;
    }

    /* Show mobile header */
    .vp-mobile-preview-header {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .vp-mobile-avatar {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        display: flex !important;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        font-family: 'Clash Display', sans-serif;
        font-size: 1rem;
        font-weight: 600;
        color: white;
        text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
        box-shadow:
            inset 0 1px 1px rgba(255, 255, 255, 0.15),
            0 2px 8px rgba(0, 0, 0, 0.3);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* Mobile preview: vertical layout */
    .vp-preview-panel {
        display: flex;
        flex-direction: column;
        padding: 12px 16px;
        gap: 10px;
    }

    .vp-preview-name {
        font-size: 1rem;
        margin: 0;
    }

    .vp-preview-meta {
        font-size: 0.75rem;
        margin: 0;
    }

    /* Visualizer inline on mobile */
    .vp-visualizer-container {
        max-width: 100%;
        height: 50px;
        min-height: 50px;
        margin: 0;
        border-radius: 8px;
    }

    /* Hide traits on mobile - too cluttered */
    .vp-preview-traits {
        display: none;
    }

    /* Hide old waveform - using visualizer now */
    .vp-preview-waveform {
        display: none;
    }

    /* Hide volume control on mobile (keep it simple) */
    .vp-volume-control {
        display: none;
    }

    /* Visualizer controls - compact for mobile */
    .vp-visualizer-controls {
        display: block;
        width: 100%;
        max-width: none;
        padding: 10px;
        margin-bottom: 12px;
    }

    /* Select button inline */
    .vp-select-btn {
        width: 100%;
        padding: 14px 28px;
        font-size: 0.9rem;
        margin-top: 4px;
    }

    /* Footer minimal */
    .voice-picker-footer {
        display: none;
    }
}

/* Small mobile - further optimize */
@media (max-width: 480px) {
    .vp-item-avatar {
        width: 40px;
        height: 40px;
    }

    .vp-item-name {
        font-size: 0.85rem;
    }

    .vp-preview-panel .vp-mobile-avatar {
        width: 44px;
        height: 44px;
    }

    .vp-preview-name {
        font-size: 0.95rem;
    }

    .vp-visualizer-container {
        height: 45px;
        min-height: 45px;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .voice-picker-overlay,
    .voice-picker-modal,
    .vp-list-item,
    .vp-preview-avatar,
    .vp-item-avatar,
    .vp-select-btn {
        transition: none;
    }

    .vp-preview-waveform span,
    .vp-preview-avatar.playing,
    .vp-preview-avatar.playing::after,
    .vp-list-item.playing .vp-item-avatar {
        animation: none;
    }
}

/* Focus states */
.vp-list-item:focus-visible,
.vp-select-btn:focus-visible,
.vp-cancel-btn:focus-visible,
.voice-picker-close:focus-visible,
.voice-filter-tab:focus-visible {
    outline: 2px solid var(--vp-accent-cyan);
    outline-offset: 2px;
}

/* ============================================
   AUDIO VISUALIZER & CONTROLS
   ============================================ */

/* Visualizer Container */
.vp-visualizer-container {
    width: 100%;
    max-width: 280px;
    height: 80px;
    min-height: 80px;
    flex-shrink: 0;
    margin: 16px 0;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--vp-border-dim);
    overflow: hidden;
    position: relative;
}

.vp-visualizer-container canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Volume Control */
.vp-volume-control {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    max-width: 240px;
    margin-bottom: 16px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--vp-border-dim);
    border-radius: 10px;
}

.vp-volume-icon {
    width: 18px;
    height: 18px;
    color: var(--vp-text-tertiary);
    flex-shrink: 0;
}

.vp-volume-slider {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    cursor: pointer;
}

.vp-volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--vp-accent-cyan);
    cursor: pointer;
    box-shadow: 0 0 8px rgba(var(--vp-accent-cyan-rgb), 0.5);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.vp-volume-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 0 12px rgba(var(--vp-accent-cyan-rgb), 0.7);
}

.vp-volume-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--vp-accent-cyan);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 8px rgba(var(--vp-accent-cyan-rgb), 0.5);
}

.vp-volume-slider::-webkit-slider-runnable-track {
    height: 4px;
    background: linear-gradient(90deg, var(--vp-accent-cyan) 0%, rgba(255, 255, 255, 0.1) 0%);
    border-radius: 2px;
}

.vp-volume-value {
    font-family: 'Azeret Mono', monospace;
    font-size: 0.65rem;
    color: var(--vp-text-tertiary);
    min-width: 32px;
    text-align: right;
}

/* Settings Toggle Button */
.vp-settings-toggle {
    position: absolute;
    bottom: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    padding: 0;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 10;
}

.vp-settings-toggle svg {
    width: 18px;
    height: 18px;
    stroke: rgba(255, 255, 255, 0.5);
    transition: all 0.2s ease;
}

.vp-settings-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.vp-settings-toggle:hover svg {
    stroke: rgba(255, 255, 255, 0.8);
}

.vp-settings-toggle.active {
    background: rgba(var(--vp-accent-cyan-rgb), 0.15);
    border-color: rgba(var(--vp-accent-cyan-rgb), 0.4);
}

.vp-settings-toggle.active svg {
    stroke: var(--vp-accent-cyan);
}

/* Visualizer Controls Panel */
.vp-visualizer-controls {
    width: 100%;
    max-width: 280px;
    margin-bottom: 20px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--vp-border-dim);
    border-radius: 12px;
}

.vp-control-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.vp-control-row:last-child {
    margin-bottom: 0;
}

.vp-control-label {
    font-family: 'Azeret Mono', monospace;
    font-size: 0.6rem;
    font-weight: 500;
    color: var(--vp-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* Mode Toggle Buttons */
.vp-mode-toggle {
    display: flex;
    gap: 2px;
    padding: 2px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.vp-mode-btn {
    padding: 5px 12px;
    background: transparent;
    border: none;
    border-radius: 4px;
    font-family: 'General Sans', sans-serif;
    font-size: 0.65rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.45);
    cursor: pointer;
    transition: all 0.2s ease;
}

.vp-mode-btn:hover {
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.05);
}

.vp-mode-btn.active {
    color: #fff;
    background: linear-gradient(180deg, rgba(var(--vp-accent-cyan-rgb), 0.85) 0%, rgba(var(--vp-accent-cyan-rgb), 0.65) 100%);
    box-shadow: 0 2px 8px rgba(var(--vp-accent-cyan-rgb), 0.35);
}

/* Gradient Select Dropdown */
.vp-gradient-select {
    padding: 5px 10px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    font-family: 'General Sans', sans-serif;
    font-size: 0.7rem;
    color: var(--vp-text-primary);
    cursor: pointer;
    outline: none;
    transition: all 0.2s ease;
    min-width: 100px;
}

.vp-gradient-select:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.vp-gradient-select:focus {
    border-color: rgba(var(--vp-accent-cyan-rgb), 0.5);
    box-shadow: 0 0 0 2px rgba(var(--vp-accent-cyan-rgb), 0.1);
}

.vp-gradient-select option {
    background: #0a0b0f;
    color: var(--vp-text-primary);
    padding: 8px;
}

/* Effects Row */
.vp-effects-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

.vp-effects-row .vp-control-label {
    margin-bottom: 2px;
}

.vp-effects-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    width: 100%;
}

/* Effect Toggle Checkboxes */
.vp-effect-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.vp-effect-toggle:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
}

.vp-effect-toggle input[type="checkbox"] {
    width: 12px;
    height: 12px;
    accent-color: var(--vp-accent-cyan);
    cursor: pointer;
}

.vp-effect-toggle input[type="checkbox"]:checked + .vp-effect-name {
    color: var(--vp-accent-cyan);
}

.vp-effect-name {
    font-family: 'General Sans', sans-serif;
    font-size: 0.6rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.2s ease;
}

/* Mobile Responsive for Visualizer */
@media (max-width: 767px) {
    .vp-visualizer-container {
        max-width: 100%;
        height: 60px;
        margin: 12px 0;
    }

    .vp-volume-control {
        max-width: 100%;
        margin-bottom: 12px;
    }

    .vp-visualizer-controls {
        max-width: 100%;
        margin-bottom: 16px;
        padding: 10px;
    }

    .vp-control-row {
        margin-bottom: 8px;
    }

    .vp-mode-btn {
        padding: 4px 10px;
        font-size: 0.6rem;
    }

    .vp-gradient-select {
        min-width: 90px;
        font-size: 0.65rem;
    }

    .vp-effects-toggles {
        gap: 4px;
    }

    .vp-effect-toggle {
        padding: 3px 8px;
    }

    .vp-effect-name {
        font-size: 0.55rem;
    }
}

/* Very small screens - stack controls */
@media (max-width: 480px) {
    .vp-visualizer-container {
        height: 50px;
    }

    .vp-control-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .vp-mode-toggle {
        width: 100%;
    }

    .vp-mode-btn {
        flex: 1;
        text-align: center;
    }

    .vp-gradient-select {
        width: 100%;
    }
}