/* ==========================================================================
   PARTYHUB THEME SYSTEM
   Modular Theme Definitions:
   1. doodle        - Playful Skribbl / Sketchbook (Default)
   2. cyber-arcade  - Dark Cyberpunk / Neon Arcade Lounge
   3. glassmorphism - Modern Frosted Glass / Clean Apple Dark
   4. cozy-lounge   - Warm Wood, Brass & Amber Hearth
   5. retro-arcade  - 90s Pop Art / Vibrant Retro Gaming
   6. clean-light   - Minimalist Nordic Clean Light
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DOODLE / SKETCHBOOK (Default Theme)
   -------------------------------------------------------------------------- */
:root, [data-theme="doodle"] {
    --bg-page: #f4f6fa;
    --bg-grid: #e2e8f0;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #fafbff;
    --bg-card-media: #edf2f7;
    
    --ink: #1e293b;
    --ink-light: #475569;
    --ink-border: 2.5px solid #1e293b;
    
    --shadow-doodle: 4px 4px 0px #1e293b;
    --shadow-doodle-hover: 7px 7px 0px #1e293b;
    --shadow-doodle-active: 1px 1px 0px #1e293b;
    
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-text: #ffffff;
    
    --accent-green: #22c55e;
    --accent-yellow: #facc15;
    --accent-red: #ef4444;
    --accent-orange: #fb923c;
    --accent-purple: #a855f7;

    --font-heading: 'Patrick Hand', 'Comic Neue', cursive, sans-serif;
    --font-body: 'Comic Neue', 'Plus Jakarta Sans', system-ui, sans-serif;

    --radius-doodle: 16px 20px 18px 22px;
    --radius-pill: 999px;
    --card-backdrop: none;
    --body-bg-pattern: 
        linear-gradient(var(--bg-grid) 1.5px, transparent 1.5px),
        linear-gradient(90deg, var(--bg-grid) 1.5px, transparent 1.5px);
    --body-bg-size: 26px 26px;
    --card-transform-hover: translate(-3px, -3px);
}

/* --------------------------------------------------------------------------
   2. CYBER ARCADE / MIDNIGHT NEON
   -------------------------------------------------------------------------- */
[data-theme="cyber-arcade"] {
    --bg-page: #080a12;
    --bg-grid: rgba(0, 240, 255, 0.08);
    --bg-surface: #0f1322;
    --bg-surface-elevated: #161c30;
    --bg-card-media: #0a0d18;
    
    --ink: #f1f5f9;
    --ink-light: #94a3b8;
    --ink-border: 1.5px solid rgba(0, 240, 255, 0.35);
    
    --shadow-doodle: 0 4px 20px rgba(0, 0, 0, 0.7), 0 0 12px rgba(0, 240, 255, 0.15);
    --shadow-doodle-hover: 0 8px 30px rgba(0, 240, 255, 0.35), 0 0 20px rgba(255, 0, 127, 0.25);
    --shadow-doodle-active: 0 2px 10px rgba(0, 240, 255, 0.2);
    
    --primary: #00f0ff;
    --primary-hover: #00d2df;
    --primary-text: #050814;
    
    --accent-green: #00ff9d;
    --accent-yellow: #ffe600;
    --accent-red: #ff0055;
    --accent-orange: #ff7700;
    --accent-purple: #b537f2;

    --font-heading: 'Orbitron', 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;

    --radius-doodle: 14px;
    --radius-pill: 8px;
    --card-backdrop: none;
    --body-bg-pattern: 
        radial-gradient(ellipse at 50% 0%, rgba(181, 55, 242, 0.15) 0%, transparent 60%),
        linear-gradient(var(--bg-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
    --body-bg-size: 100% 100%, 36px 36px, 36px 36px;
    --card-transform-hover: translateY(-4px);
}

[data-theme="cyber-arcade"] .game-card {
    border: 1.5px solid rgba(0, 240, 255, 0.25);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="cyber-arcade"] .game-card:hover {
    border-color: #00f0ff;
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.35);
}

[data-theme="cyber-arcade"] .play-btn {
    background: linear-gradient(135deg, #00f0ff, #7928ca);
    color: #ffffff;
    font-weight: 700;
    letter-spacing: 0.05em;
    border: none;
    text-shadow: 0 1px 4px rgba(0,0,0,0.5);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
}

[data-theme="cyber-arcade"] .play-btn:hover {
    box-shadow: 0 0 25px rgba(0, 240, 255, 0.7);
    transform: translateY(-2px);
}

[data-theme="cyber-arcade"] .player-card {
    background: #111728;
    border: 1.5px solid rgba(0, 240, 255, 0.3);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    color: #f1f5f9;
}

[data-theme="cyber-arcade"] .player-card:hover {
    border-color: #00f0ff;
    box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
}

[data-theme="cyber-arcade"] .player-card.is-host {
    background: rgba(255, 230, 0, 0.08);
    border: 1.5px solid #ffe600;
    box-shadow: 0 0 16px rgba(255, 230, 0, 0.25);
}

[data-theme="cyber-arcade"] .player-card-name {
    color: #f1f5f9;
}

[data-theme="cyber-arcade"] .player-card-tag {
    color: #38bdf8;
    font-weight: 600;
}

[data-theme="cyber-arcade"] .player-card-avatar {
    background: #090c16;
    border-color: rgba(0, 240, 255, 0.5);
}

[data-theme="cyber-arcade"] .status-dot {
    border-color: #080a12;
    box-shadow: 0 0 8px #00ff9d;
}

[data-theme="cyber-arcade"] .modal-card {
    background: #0e1220;
    border: 1.5px solid rgba(0, 240, 255, 0.35);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.85), 0 0 30px rgba(0, 240, 255, 0.15);
    color: #f1f5f9;
}

[data-theme="cyber-arcade"] .modal-header h2 {
    color: #f1f5f9;
}

[data-theme="cyber-arcade"] .modal-meta {
    color: #38bdf8;
}

[data-theme="cyber-arcade"] .ready-banner {
    background: #141b2e;
    border: 1.5px solid rgba(0, 240, 255, 0.25);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

[data-theme="cyber-arcade"] .ready-title {
    color: #f1f5f9;
    font-size: 1.05rem;
    font-family: var(--font-heading);
    letter-spacing: 0.02em;
}

[data-theme="cyber-arcade"] .party-readiness-box {
    background: #101524;
    border: 1.5px solid rgba(255, 255, 255, 0.08);
}

[data-theme="cyber-arcade"] .readiness-header {
    color: #f1f5f9;
}

[data-theme="cyber-arcade"] .green-text {
    color: #00ff9d;
    text-shadow: 0 0 10px rgba(0, 255, 157, 0.5);
}

[data-theme="cyber-arcade"] .mini-player-name {
    color: #f1f5f9;
}

[data-theme="cyber-arcade"] .mini-avatar {
    background: #080a12;
    border-color: rgba(0, 240, 255, 0.4);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

[data-theme="cyber-arcade"] .btn-secondary {
    background: #161c30;
    color: #cbd5e1;
    border: 1.5px solid rgba(255, 255, 255, 0.15);
    box-shadow: none;
}

[data-theme="cyber-arcade"] .btn-secondary:hover {
    background: #1f2742;
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.35);
}

[data-theme="cyber-arcade"] .btn-primary-launch {
    background: linear-gradient(135deg, #00ff9d, #00b4d8);
    color: #050814;
    font-weight: 800;
    border: none;
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.45);
}

[data-theme="cyber-arcade"] .btn-primary-launch:hover {
    box-shadow: 0 0 30px rgba(0, 255, 157, 0.7);
    transform: translateY(-2px);
}

[data-theme="cyber-arcade"] .ready-toggle-btn.ready {
    background: rgba(0, 255, 157, 0.15);
    color: #00ff9d;
    border: 1.5px solid #00ff9d;
    box-shadow: 0 0 12px rgba(0, 255, 157, 0.35);
}

[data-theme="cyber-arcade"] .ready-toggle-btn.not-ready {
    background: rgba(255, 230, 0, 0.15);
    color: #ffe600;
    border: 1.5px solid #ffe600;
    box-shadow: 0 0 12px rgba(255, 230, 0, 0.3);
}

[data-theme="cyber-arcade"] .close-modal-btn {
    background: #161c30;
    color: #94a3b8;
    border: 1.5px solid rgba(255, 255, 255, 0.15);
    box-shadow: none;
}

[data-theme="cyber-arcade"] .close-modal-btn:hover {
    background: #ff0055;
    color: #ffffff;
    border-color: #ff0055;
    box-shadow: 0 0 15px rgba(255, 0, 85, 0.5);
}

/* --------------------------------------------------------------------------
   3. GLASSMORPHISM / MODERN CLEAN (Apple Dark Glass Style)
   -------------------------------------------------------------------------- */
[data-theme="glassmorphism"] {
    --bg-page: #0b0f19;
    --bg-grid: rgba(255, 255, 255, 0.03);
    --bg-surface: rgba(18, 24, 38, 0.7);
    --bg-surface-elevated: rgba(30, 41, 59, 0.75);
    --bg-card-media: rgba(15, 23, 42, 0.5);
    
    --ink: #f8fafc;
    --ink-light: #94a3b8;
    --ink-border: 1px solid rgba(255, 255, 255, 0.12);
    
    --shadow-doodle: 0 12px 35px -8px rgba(0, 0, 0, 0.5);
    --shadow-doodle-hover: 0 20px 45px -8px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(255, 255, 255, 0.2);
    --shadow-doodle-active: 0 6px 15px rgba(0, 0, 0, 0.4);
    
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-text: #ffffff;
    
    --accent-green: #10b981;
    --accent-yellow: #f59e0b;
    --accent-red: #f43f5e;
    --accent-orange: #f97316;
    --accent-purple: #a855f7;

    --font-heading: 'Outfit', 'Plus Jakarta Sans', system-ui, sans-serif;
    --font-body: 'Outfit', 'Plus Jakarta Sans', system-ui, sans-serif;

    --radius-doodle: 20px;
    --radius-pill: 999px;
    --card-backdrop: blur(20px);
    --body-bg-pattern: 
        radial-gradient(circle at 15% 20%, rgba(99, 102, 241, 0.18) 0%, transparent 45%),
        radial-gradient(circle at 85% 80%, rgba(236, 72, 153, 0.15) 0%, transparent 45%);
    --body-bg-size: 100% 100%, 100% 100%;
    --card-transform-hover: translateY(-4px);
}

[data-theme="glassmorphism"] .game-card,
[data-theme="glassmorphism"] .party-header,
[data-theme="glassmorphism"] .modal-card,
[data-theme="glassmorphism"] .room-pill,
[data-theme="glassmorphism"] .party-stats-banner {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

[data-theme="glassmorphism"] .play-btn {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

/* --------------------------------------------------------------------------
   4. COZY LOUNGE / WARM WOOD & AMBER
   -------------------------------------------------------------------------- */
[data-theme="cozy-lounge"] {
    --bg-page: #171310;
    --bg-grid: rgba(245, 158, 11, 0.05);
    --bg-surface: #241c17;
    --bg-surface-elevated: #2f251f;
    --bg-card-media: #1c1511;
    
    --ink: #fef3c7;
    --ink-light: #d4af37;
    --ink-border: 1.5px solid rgba(217, 119, 6, 0.3);
    
    --shadow-doodle: 0 8px 24px rgba(0, 0, 0, 0.6), 0 0 15px rgba(245, 158, 11, 0.1);
    --shadow-doodle-hover: 0 12px 32px rgba(0, 0, 0, 0.7), 0 0 22px rgba(245, 158, 11, 0.25);
    --shadow-doodle-active: 0 4px 12px rgba(0, 0, 0, 0.5);
    
    --primary: #d97706;
    --primary-hover: #b45309;
    --primary-text: #ffffff;
    
    --accent-green: #34d399;
    --accent-yellow: #fbbf24;
    --accent-red: #f87171;
    --accent-orange: #fb923c;
    --accent-purple: #e879f9;

    --font-heading: 'Cinzel', 'Patrick Hand', serif, sans-serif;
    --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;

    --radius-doodle: 16px;
    --radius-pill: 999px;
    --card-backdrop: none;
    --body-bg-pattern: 
        radial-gradient(circle at 50% 0%, rgba(217, 119, 6, 0.12) 0%, transparent 60%),
        linear-gradient(var(--bg-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
    --body-bg-size: 100% 100%, 30px 30px, 30px 30px;
    --card-transform-hover: translateY(-4px);
}

[data-theme="cozy-lounge"] .party-header {
    background: #1f1813;
    border-bottom: 2px solid #b45309;
}

[data-theme="cozy-lounge"] .play-btn {
    background: linear-gradient(135deg, #d97706, #92400e);
    border: 1px solid #f59e0b;
    color: #fef3c7;
    box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
}

/* --------------------------------------------------------------------------
   5. RETRO ARCADE / 90s POP ART
   -------------------------------------------------------------------------- */
[data-theme="retro-arcade"] {
    --bg-page: #1e1b4b;
    --bg-grid: rgba(250, 204, 21, 0.12);
    --bg-surface: #2e266d;
    --bg-surface-elevated: #3b3285;
    --bg-card-media: #221c54;
    
    --ink: #ffffff;
    --ink-light: #fde047;
    --ink-border: 3px solid #facc15;
    
    --shadow-doodle: 5px 5px 0px #facc15;
    --shadow-doodle-hover: 8px 8px 0px #38bdf8;
    --shadow-doodle-active: 2px 2px 0px #facc15;
    
    --primary: #facc15;
    --primary-hover: #eab308;
    --primary-text: #1e1b4b;
    
    --accent-green: #4ade80;
    --accent-yellow: #fef08a;
    --accent-red: #fb7185;
    --accent-orange: #fb923c;
    --accent-purple: #c084fc;

    --font-heading: 'Orbitron', 'Patrick Hand', sans-serif;
    --font-body: 'Comic Neue', system-ui, sans-serif;

    --radius-doodle: 8px;
    --radius-pill: 6px;
    --card-backdrop: none;
    --body-bg-pattern: 
        linear-gradient(var(--bg-grid) 2px, transparent 2px),
        linear-gradient(90deg, var(--bg-grid) 2px, transparent 2px);
    --body-bg-size: 32px 32px;
    --card-transform-hover: translate(-4px, -4px);
}

[data-theme="retro-arcade"] .play-btn {
    background: #facc15;
    color: #1e1b4b;
    border: 2px solid #ffffff;
    font-weight: 800;
    box-shadow: 4px 4px 0px #ffffff;
}

[data-theme="retro-arcade"] .play-btn:hover {
    background: #38bdf8;
    color: #ffffff;
    box-shadow: 6px 6px 0px #facc15;
}

/* --------------------------------------------------------------------------
   6. NORDIC CLEAN / MINIMALIST LIGHT
   -------------------------------------------------------------------------- */
[data-theme="clean-light"] {
    --bg-page: #f8fafc;
    --bg-grid: transparent;
    --bg-surface: #ffffff;
    --bg-surface-elevated: #ffffff;
    --bg-card-media: #f1f5f9;
    
    --ink: #0f172a;
    --ink-light: #64748b;
    --ink-border: 1px solid #e2e8f0;
    
    --shadow-doodle: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-doodle-hover: 0 12px 24px -4px rgba(0, 0, 0, 0.09);
    --shadow-doodle-active: 0 2px 6px rgba(0, 0, 0, 0.04);
    
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-text: #ffffff;
    
    --accent-green: #10b981;
    --accent-yellow: #f59e0b;
    --accent-red: #ef4444;
    --accent-orange: #f97316;
    --accent-purple: #8b5cf6;

    --font-heading: 'Plus Jakarta Sans', system-ui, sans-serif;
    --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;

    --radius-doodle: 16px;
    --radius-pill: 999px;
    --card-backdrop: none;
    --body-bg-pattern: none;
    --body-bg-size: auto;
    --card-transform-hover: translateY(-4px);
}

[data-theme="clean-light"] .play-btn {
    background: #2563eb;
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

/* ==========================================================================
   THEME PICKER UI STYLES (Dropdown Menu)
   ========================================================================== */
.theme-picker-wrapper {
    position: relative;
    display: inline-block;
}

.theme-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-surface);
    color: var(--ink);
    border: var(--ink-border);
    border-radius: var(--radius-pill);
    padding: 8px 16px;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    box-shadow: var(--shadow-doodle);
    transition: all 0.2s ease;
    user-select: none;
}

.theme-dropdown-btn:hover {
    box-shadow: var(--shadow-doodle-hover);
    transform: var(--card-transform-hover);
}

.theme-dropdown-btn:active {
    box-shadow: var(--shadow-doodle-active);
    transform: none;
}

.theme-dropdown-btn .chevron {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.theme-dropdown-btn.open .chevron {
    transform: rotate(180deg);
}

.theme-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 290px;
    background: var(--bg-surface);
    border: var(--ink-border);
    border-radius: 16px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.35);
    padding: 10px;
    display: none;
    flex-direction: column;
    gap: 6px;
    z-index: 1000;
    animation: themeMenuPop 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.theme-dropdown-menu.show {
    display: flex;
}

@keyframes themeMenuPop {
    from {
        opacity: 0;
        transform: translateY(-8px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.theme-menu-header {
    padding: 6px 10px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--ink-light);
    border-bottom: 1px solid rgba(128, 128, 128, 0.2);
    margin-bottom: 4px;
}

.theme-option-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-radius: 12px;
    cursor: pointer;
    background: transparent;
    border: 1.5px solid transparent;
    color: var(--ink);
    transition: all 0.15s ease;
}

.theme-option-item:hover {
    background: var(--bg-surface-elevated);
    border-color: var(--primary);
    transform: translateX(3px);
}

.theme-option-item.active {
    background: var(--bg-surface-elevated);
    border-color: var(--primary);
    font-weight: 700;
}

.theme-option-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.theme-option-icon {
    font-size: 1.3rem;
}

.theme-option-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.theme-option-name {
    font-size: 0.95rem;
    line-height: 1.2;
}

.theme-option-desc {
    font-size: 0.75rem;
    color: var(--ink-light);
    line-height: 1.2;
    margin-top: 2px;
}

.theme-swatches {
    display: flex;
    align-items: center;
    gap: 4px;
}

.theme-swatch {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.2);
}