/* Emotion Temperature Test - 2026 Design */
:root {
    --primary: #e07a5f;
    --bg: #0a0a1e;
    --surface: rgba(255,255,255,0.06);
    --border: rgba(255,255,255,0.08);
    --text: #f0f0f5;
    --text-sec: #a0a0b8;
    --text-dim: #5a5a70;
    --radius: 16px;
    --transition: opacity 0.3s cubic-bezier(0.4,0,0.2,1), transform 0.3s cubic-bezier(0.4,0,0.2,1), background-color 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* Light mode overrides */
[data-theme="light"] {
    --bg: #faf5f0;
    --surface: rgba(224, 122, 95, 0.06);
    --border: rgba(224, 122, 95, 0.12);
    --text: #1a1218;
    --text-sec: #5a4a48;
    --text-dim: #8a7a78;
}
[data-theme="light"] body {
    background: var(--bg);
    color: var(--text);
}
[data-theme="light"] .app-loader {
    background: var(--bg);
}
[data-theme="light"] .question-card,
[data-theme="light"] .result-card {
    background: rgba(224, 122, 95, 0.05);
    border-color: rgba(224, 122, 95, 0.12);
    box-shadow: 0 4px 16px rgba(224, 122, 95, 0.05);
}
[data-theme="light"] .option-btn {
    background: rgba(224, 122, 95, 0.06);
    border-color: rgba(224, 122, 95, 0.15);
    color: var(--text);
    box-shadow: 0 2px 8px rgba(224, 122, 95, 0.04);
}
[data-theme="light"] .option-btn:hover,
[data-theme="light"] .option-btn:active {
    background: rgba(224, 122, 95, 0.12);
    border-color: rgba(224, 122, 95, 0.3);
}
[data-theme="light"] .option-btn.selected {
    background: rgba(224, 122, 95, 0.15);
    border-color: var(--primary);
}
[data-theme="light"] .detail-section {
    background: rgba(224, 122, 95, 0.04);
    border-color: rgba(224, 122, 95, 0.1);
}
[data-theme="light"] .result-compat {
    background: rgba(224, 122, 95, 0.04);
    border-color: rgba(224, 122, 95, 0.1);
}
[data-theme="light"] .premium-card {
    background: rgba(224, 122, 95, 0.05);
    border-color: rgba(224, 122, 95, 0.12);
}
[data-theme="light"] .back-link {
    color: var(--primary);
}
[data-theme="light"] .rec-card {
    background: rgba(224, 122, 95, 0.05);
    border-color: rgba(224, 122, 95, 0.12);
}
[data-theme="light"] .ad-banner {
    background: rgba(224, 122, 95, 0.04);
    border-color: rgba(224, 122, 95, 0.1);
}
[data-theme="light"] .ad-modal {
    background: rgba(250, 245, 240, 0.95);
}
[data-theme="light"] .intro-meta {
    color: var(--text-sec);
}
[data-theme="light"] .lang-btn {
    background: rgba(224, 122, 95, 0.08);
    color: var(--text);
    border-color: rgba(224, 122, 95, 0.18);
}
[data-theme="light"] .lang-menu {
    background: rgba(250, 245, 240, 0.95);
    border-color: rgba(224, 122, 95, 0.18);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}
[data-theme="light"] .lang-option {
    color: #5a4a48;
}
[data-theme="light"] .lang-option:hover {
    background: rgba(224, 122, 95, 0.1);
    color: var(--text);
}
[data-theme="light"] .lang-option.active {
    background: rgba(224, 122, 95, 0.15);
    color: var(--text);
}
[data-theme="light"] .loader-spinner {
    border-color: rgba(224, 122, 95, 0.12);
    border-top-color: var(--primary);
}
/* Light mode: rec-card hover state */
[data-theme="light"] .rec-card:hover,
[data-theme="light"] .rec-card:active {
    background: rgba(224, 122, 95, 0.1);
}

*,*::before,*::after {
    margin:0;
    padding:0;
    box-sizing:border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
}

/* 터치 최적화 */
button, a, input, [role="button"], [role="link"] {
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

input[type="text"], textarea {
    -webkit-user-select: text;
    user-select: text;
}
html{scroll-behavior:smooth;}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;}
/* App Loader */
.app-loader{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--bg);display:flex;align-items:center;justify-content:center;z-index:10000;transition:opacity 0.3s ease,visibility 0.3s ease;}
.app-loader.hidden{opacity:0;visibility:hidden;pointer-events:none;}
.loader-content{display:flex;flex-direction:column;align-items:center;gap:20px;}
.loader-emoji{font-size:48px;animation:loader-bounce 1s ease-in-out infinite;}
.loader-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,0.1);border-top-color:var(--primary);border-radius:50%;animation:loader-spin 0.8s linear infinite;}
.loader-text{font-size:14px;color:var(--text-sec);letter-spacing:1px;font-weight:500;}
@keyframes loader-spin{to{transform:rotate(360deg);}}
@keyframes loader-bounce{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}

.hidden{display:none!important;}
.app-container{max-width:500px;margin:0 auto;min-height:100vh;position:relative;}

/* Screens */
.screen{padding:16px;display:flex;flex-direction:column;}
.screen.hidden{display:none;}

/* Ad Banner */
.ad-banner{background:var(--surface);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:10px;padding:10px;text-align:center;margin-bottom:12px;}
.ad-placeholder{color:var(--text-dim);font-size:11px;letter-spacing:1px;text-transform:uppercase;}

/* === INTRO === */
.intro-screen{justify-content:center;align-items:center;min-height:100vh;}
.intro-content{text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;}
.thermo-icon{font-size:72px;animation:thermoFloat 2s ease-in-out infinite;}
@keyframes thermoFloat{0%,100%{transform:translateY(0) rotate(-3deg);}50%{transform:translateY(-10px) rotate(3deg);}}
.intro-content h1{font-size:36px;font-weight:900;background:linear-gradient(135deg,#e07a5f,#f4a261,#e76f51);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.intro-sub{font-size:16px;color:var(--text-sec);}
.intro-desc{font-size:14px;color:var(--text-dim);line-height:1.6;}
.intro-meta{display:flex;gap:16px;font-size:13px;color:var(--text-sec);background:var(--surface);border:1px solid var(--border);border-radius:100px;padding:10px 20px;}
.btn-start{width:100%;max-width:300px;padding:16px 32px;background:linear-gradient(135deg,#e07a5f,#e76f51);color:#fff;border:none;border-radius:var(--radius);font-size:18px;font-weight:700;cursor:pointer;transition:var(--transition);min-height:52px;box-shadow:0 4px 20px rgba(224,122,95,0.3);}
.btn-start:hover{transform:scale(1.03);box-shadow:0 6px 28px rgba(224,122,95,0.5);}
.intro-count{font-size:13px;color:var(--text-dim);}

/* === QUESTION === */
.question-screen{padding-top:20px;}
.progress-area{display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.progress-bar{flex:1;height:6px;background:var(--surface);border-radius:100px;overflow:hidden;}
.progress-fill{height:100%;background:linear-gradient(90deg,#e07a5f,#f4a261);border-radius:100px;transition:width 0.4s ease;width:0%;}
.progress-text{font-size:13px;color:var(--text-sec);font-weight:600;white-space:nowrap;}
.question-card{background:var(--surface);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px;}
.question-card.slide-in{animation:slideIn 0.35s ease-out;}
@keyframes slideIn{from{opacity:0;transform:translateX(30px);}to{opacity:1;transform:translateX(0);}}
.q-text{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:20px;text-align:center;}
.q-options{display:flex;flex-direction:column;gap:10px;}
.option-btn{width:100%;padding:14px 16px;background:rgba(255,255,255,0.04);border:1px solid var(--border);border-radius:12px;color:var(--text);font-size:15px;text-align:left;cursor:pointer;transition:var(--transition);min-height:48px;animation:fadeUp 0.3s ease forwards;opacity:0;}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.option-btn:hover{background:rgba(224,122,95,0.1);border-color:rgba(224,122,95,0.3);}
.option-btn:active{transform:scale(0.98);}
.option-btn.selected{background:rgba(224,122,95,0.2);border-color:#e07a5f;font-weight:600;}

/* === LOADING === */
.loading-screen{justify-content:center;align-items:center;min-height:100vh;}
.loading-content{text-align:center;display:flex;flex-direction:column;align-items:center;gap:20px;}
.loading-thermo{font-size:64px;animation:thermoFloat 1.5s ease-in-out infinite;}
.loading-text{font-size:16px;color:var(--text-sec);}
.loading-bar{width:200px;height:6px;background:var(--surface);border-radius:100px;overflow:hidden;}
.loading-fill{height:100%;background:linear-gradient(90deg,#e07a5f,#f4a261);border-radius:100px;transition:width 0.3s ease;width:0%;}

/* === RESULT === */
.result-screen {
    padding-bottom:100px;
    overflow-y:auto;
    max-height:100vh;
    -webkit-overflow-scrolling: touch;
}
.result-card{background:linear-gradient(135deg, var(--surface) 0%, rgba(255,255,255,0.02) 100%);backdrop-filter:blur(10px);border:2px solid var(--border);border-radius:var(--radius);padding:24px 20px;margin-bottom:16px;position:relative;overflow:hidden;animation:slideInResult 0.6s cubic-bezier(0.34,1.56,0.64,1);}@keyframes slideInResult{from{opacity:0;transform:translateY(40px);}to{opacity:1;transform:translateY(0);}}.result-card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(224,122,95,0.4),transparent);}
.result-temp-area{display:flex;align-items:center;justify-content:center;gap:24px;margin-bottom:20px;}
.result-thermometer{width:30px;height:120px;background:rgba(255,255,255,0.08);border-radius:15px;position:relative;overflow:hidden;border:1px solid var(--border);}
.thermo-fill{position:absolute;bottom:0;width:100%;background:linear-gradient(to top,#e76f51,#f4a261,#2a9d8f);border-radius:0 0 15px 15px;transition:height 1.5s cubic-bezier(0.4,0,0.2,1);height:5%;}
.thermo-bulb{position:absolute;bottom:-8px;left:50%;transform:translateX(-50%);width:24px;height:24px;background:#e07a5f;border-radius:50%;transition:background 1s ease;}
.result-temp-value{font-size:56px;font-weight:900;background:linear-gradient(135deg,#e07a5f,#f4a261);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.result-title{text-align:center;font-size:22px;font-weight:800;margin-bottom:8px;}
.result-desc{text-align:center;font-size:14px;color:var(--text-sec);line-height:1.6;margin-bottom:20px;}
.result-details{display:flex;flex-direction:column;gap:16px;margin-bottom:16px;}
.detail-section{background:rgba(255,255,255,0.03);border-radius:12px;padding:16px;}
.detail-section h3{font-size:15px;margin-bottom:10px;}
.detail-section ul{list-style:none;display:flex;flex-direction:column;gap:6px;}
.detail-section li{font-size:13px;color:var(--text-sec);padding-left:8px;border-left:2px solid rgba(224,122,95,0.3);}
.result-compat{background:rgba(224,122,95,0.08);border:1px solid rgba(224,122,95,0.15);border-radius:12px;padding:16px;text-align:center;}
.result-compat h3{font-size:15px;margin-bottom:8px;}
.result-compat p{font-size:13px;color:var(--text-sec);}

/* Premium */
.btn-premium{width:100%;padding:16px;background:linear-gradient(135deg,#f39c12,#e67e22);color:#fff;border:none;border-radius:var(--radius);font-size:16px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:12px;min-height:52px;transition:var(--transition);box-shadow:0 4px 20px rgba(243,156,18,0.3);}
.btn-premium:hover{transform:scale(1.02);box-shadow:0 6px 28px rgba(243,156,18,0.5);}
.premium-icon{font-size:20px;}
.premium-badge{background:rgba(255,255,255,0.2);padding:2px 8px;border-radius:100px;font-size:10px;font-weight:800;letter-spacing:1px;}
.premium-card{background:var(--surface);border:1px solid rgba(243,156,18,0.2);border-radius:var(--radius);padding:20px;margin-bottom:16px;}
.premium-card h3{font-size:18px;margin-bottom:16px;text-align:center;}
.premium-section{margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border);}
.premium-section:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0;}
.premium-section h4{font-size:15px;margin-bottom:8px;}
.premium-section p{font-size:13px;color:var(--text-sec);line-height:1.6;}
.premium-section ul{list-style:none;}
.premium-section li{font-size:13px;color:var(--text-sec);padding:4px 0;padding-left:8px;border-left:2px solid rgba(243,156,18,0.3);}
.premium-note{font-size:12px;color:var(--text-dim);margin-top:6px;font-style:italic;}

/* Result Actions */
.result-actions{display:flex;flex-direction:column;gap:10px;margin-bottom:16px;}
.btn-share,.btn-save-image,.btn-retry{width:100%;padding:14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition);min-height:48px;}
.btn-share:hover,.btn-save-image:hover,.btn-retry:hover{background:rgba(255,255,255,0.1);border-color:rgba(255,255,255,0.15);}
.btn-share{background:linear-gradient(135deg,rgba(224,122,95,0.15),rgba(244,162,97,0.15));border-color:rgba(224,122,95,0.3);}

/* Ad Overlay */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,0.7);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;}
.ad-modal{background:#1a1a35;border:1px solid var(--border);border-radius:var(--radius);padding:32px 24px;text-align:center;width:85%;max-width:340px;}
.ad-label{font-size:12px;color:var(--text-dim);text-transform:uppercase;letter-spacing:2px;margin-bottom:16px;}
.ad-placeholder-lg{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:60px 20px;color:var(--text-dim);font-size:14px;margin-bottom:16px;}
.ad-timer{font-size:14px;color:var(--text-sec);margin-bottom:12px;}
.ad-timer span{font-weight:800;color:#f4a261;font-size:18px;}
.btn-close-ad{padding:10px 24px;background:var(--primary);border:none;border-radius:100px;color:#fff;font-size:14px;cursor:pointer;min-height:44px;}

/* Responsive - 360px 대응 */
@media(max-width:380px){
    .app-container { max-width: 360px; }
    .screen { padding: 14px; }
    .ad-banner { padding: 8px; margin-bottom: 10px; }

    .intro-content h1 { font-size: 28px; }
    .intro-sub { font-size: 14px; }
    .intro-desc { font-size: 13px; }
    .intro-meta { font-size: 12px; padding: 8px 16px; }
    .btn-start { padding: 14px 24px; font-size: 16px; min-height: 48px; }

    .progress-area { gap: 10px; margin-bottom: 16px; }
    .progress-text { font-size: 12px; }

    .question-card { padding: 18px 16px; }
    .q-text { font-size: 16px; margin-bottom: 16px; }
    .option-btn { padding: 12px 14px; font-size: 14px; min-height: 44px; }

    .loading-thermo { font-size: 56px; }
    .loading-text { font-size: 14px; }

    .result-thermometer { width: 26px; height: 100px; }
    .result-temp-value { font-size: 42px; }
    .result-title { font-size: 20px; }
    .result-desc { font-size: 13px; }

    .detail-section { padding: 12px; }
    .detail-section h3 { font-size: 14px; }
    .detail-section li { font-size: 12px; }

    .result-compat { padding: 12px; }
    .result-compat h3 { font-size: 14px; }
    .result-compat p { font-size: 12px; }

    .btn-premium { padding: 14px; font-size: 14px; min-height: 48px; }
    .premium-icon { font-size: 18px; }

    .premium-card { padding: 16px; }
    .premium-card h3 { font-size: 16px; }
    .premium-section h4 { font-size: 14px; }
    .premium-section p { font-size: 12px; }

    .result-actions { gap: 8px; }
    .btn-share, .btn-save-image, .btn-retry { padding: 12px; font-size: 14px; min-height: 44px; }

    .ad-modal { width: 85%; }
    .ad-placeholder-lg { padding: 40px 16px; font-size: 12px; }

    .rec-card { padding: 12px 14px; }
    .rec-icon { font-size: 24px; }
    .rec-name { font-size: 13px; }
    .rec-desc { font-size: 11px; }

    .back-link { font-size: 12px; }
}

/* Accessibility */
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.01ms!important;transition-duration:0.01ms!important;}}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* === RECOMMENDATIONS === */
.recommendations-section{margin-top:24px;padding:0 4px;}
.rec-title{font-size:15px;font-weight:700;color:var(--text-sec);margin-bottom:12px;text-align:center;letter-spacing:0.5px;}
.rec-grid{display:flex;flex-direction:column;gap:10px;}
.rec-card{display:flex;align-items:center;gap:14px;padding:14px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-decoration:none;color:var(--text);transition:var(--transition);}
.rec-card:hover,.rec-card:active{background:rgba(255,255,255,0.1);border-color:var(--primary);transform:translateY(-1px);}
.rec-icon{font-size:28px;flex-shrink:0;width:40px;text-align:center;}
.rec-info{display:flex;flex-direction:column;gap:2px;min-width:0;}
.rec-name{font-size:14px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.rec-desc{font-size:12px;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

/* Game Footer */
.game-footer{text-align:center;padding:20px 0;margin-top:20px;}
.back-link{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,0.4);text-decoration:none;font-size:13px;padding:12px 0;transition:color 0.2s;}
.back-link:hover{color:rgba(255,255,255,0.7);}

/* Language Selector */
.language-selector{position:fixed;top:20px;right:20px;z-index:1000;}
.lang-btn{background:rgba(139,92,246,0.3);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(139,92,246,0.4);color:#fff;font-size:20px;width:44px;height:44px;border-radius:50%;cursor:pointer;transition:var(--transition);}
.lang-btn:hover{background:rgba(139,92,246,0.5);transform:scale(1.05);}
.lang-menu{position:absolute;top:52px;right:0;background:rgba(10,10,30,0.95);backdrop-filter:blur(20px);border:1px solid rgba(139,92,246,0.3);border-radius:12px;padding:8px;min-width:150px;box-shadow:0 8px 24px rgba(0,0,0,0.4);}
.lang-menu.hidden{display:none;}
.lang-option{width:100%;padding:10px 14px;background:transparent;border:none;text-align:left;cursor:pointer;border-radius:8px;font-size:14px;color:#e0e0f0;transition:background 0.2s;}
.lang-option:hover{background:rgba(139,92,246,0.2);}
.lang-option.active{background:rgba(139,92,246,0.3);font-weight:600;}

/* === Accessibility Improvements === */
button:focus-visible,a:focus-visible,input:focus-visible,[role="button"]:focus-visible{outline:3px solid #e07a5f;outline-offset:2px;}
button,a[href],input[type="button"],input[type="submit"],[role="button"]{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center;}
.skip-link{position:absolute;top:-40px;left:0;background:#e07a5f;color:white;padding:8px;text-decoration:none;z-index:100;}
.skip-link:focus{top:0;}
[role="dialog"]{z-index:1000;}
@media (prefers-reduced-motion: reduce){*{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;scroll-behavior:auto !important;}}
@media (prefers-contrast: more){button{border:2px solid #e07a5f;}}
.rec-card:focus-visible{outline:3px solid #e07a5f;outline-offset:4px;}

/* Enhanced button accessibility */
button:focus-visible,
input[type="button"]:focus-visible,
input[type="submit"]:focus-visible,
[role="button"]:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 2px;
}

button:active,
input[type="button"]:active,
input[type="submit"]:active,
[role="button"]:active {
    transform: scale(0.98);
}

/* High contrast mode */
@media (prefers-contrast: more) {
    button,
    input[type="button"],
    input[type="submit"],
    [role="button"] {
        border: 2px solid currentColor;
        font-weight: bold;
    }
}

/* Enhanced form accessibility */
label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    font-size: 16px;
    min-height: 44px;
    padding: 10px 12px;
}

input[type="text"]:focus-visible,
input[type="email"]:focus-visible,
input[type="password"]:focus-visible,
input[type="number"]:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 1px;
}

/* Error handling accessibility */
.error-message,
[aria-invalid="true"] {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

[aria-invalid="true"] {
    border-color: #dc2626;
}

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    /* Keep essential transitions for state changes */
    button:active,
    [role="button"]:active {
        transform: none;
    }
}

/* Non-color focus indicators */
:focus-visible {
    outline-width: 3px;
}

/* Icon patterns for colorblind users */
.error::before {
    content: "x ";
}

.success::before {
    content: "✓ ";
}

.warning::before {
    content: "! ";
}

.info::before {
    content: "i ";
}

/* High contrast scrollbar */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark, #f1f5f9);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color, #3b82f6);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark, #1e40af);
}

/* Firefox scrollbar */
* {
    scrollbar-color: var(--primary-color, #3b82f6) var(--bg-dark, #f1f5f9);
    scrollbar-width: thin;
}

/* Selection Color */
::selection {
    background: #e07a5f;
    color: white;
}

::-moz-selection {
    background: #e07a5f;
    color: white;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 76px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.08);
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: all 0.3s ease;
}
.theme-toggle:hover { transform: scale(1.1); }
.theme-toggle:active { transform: scale(0.95); }
[data-theme="light"] .theme-toggle {
    background: rgba(0,0,0,0.05);
    border-color: rgba(0,0,0,0.1);
    color: #333;
}