:root {
    --primary: #e91e63;
    --primary-light: #ff6090;
    --primary-dark: #b0003a;
    --bg: #0f0a14;
    --surface: rgba(255,255,255,0.06);
    --border: rgba(255,255,255,0.08);
    --text: #f0f0f5;
    --text-sec: #a0a0b8;
    --text-dim: #5a5a70;
    --result-color: #e91e63;
}
* {
    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;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 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); }
}

/* Language Selector */
.language-selector { position: fixed; top: 20px; right: 20px; z-index: 1000; }
.lang-btn { background: rgba(236,72,153,0.3); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(236,72,153,0.4); color: #fff; font-size: 20px; width: 44px; height: 44px; border-radius: 50%; cursor: pointer; transition: all 0.2s ease; }
.lang-btn:hover { background: rgba(236,72,153,0.5); transform: scale(1.05); }
.lang-menu { position: absolute; top: 52px; right: 0; background: rgba(15,5,20,0.95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid rgba(236,72,153,0.3); 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: #e0c0d0; transition: background 0.2s; }
.lang-option:hover { background: rgba(236,72,153,0.2); }
.lang-option.active { background: rgba(236,72,153,0.3); font-weight: 600; }

.screen { display: none; min-height: 100vh; padding: 20px; }
.screen.active { display: flex; flex-direction: column; align-items: center; justify-content: center; }

/* Ad Banner */
.ad-banner { width: 100%; max-width: 480px; padding: 12px; text-align: center; background: rgba(255,255,255,0.03); border-radius: 12px; color: var(--text-dim); font-size: 12px; margin: 10px 0; }

/* Intro */
.intro-screen { text-align: center; gap: 16px; }
.intro-icon { font-size: 80px; animation: heartPulse 2s ease-in-out infinite; }
@keyframes heartPulse {
    0%, 100% { transform: scale(1); }
    15% { transform: scale(1.15); }
    30% { transform: scale(1); }
    45% { transform: scale(1.1); }
    60% { transform: scale(1); }
}
.intro-title {
    font-size: 30px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.intro-subtitle { color: var(--text-sec); font-size: 16px; line-height: 1.6; max-width: 360px; }
.intro-meta { display: flex; gap: 16px; color: var(--text-sec); font-size: 13px; }
.intro-wave {
    width: 280px;
    height: 60px;
    position: relative;
    overflow: hidden;
    border-radius: 30px;
    background: var(--surface);
}
.intro-wave::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(233,30,99,0.1),
        rgba(233,30,99,0.3),
        rgba(233,30,99,0.1),
        transparent
    );
    animation: waveMove 3s ease-in-out infinite;
}
@keyframes waveMove {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0%); }
}
/* Trust Badge */
.trust-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: rgba(233,30,99,0.15);
    border: 1px solid rgba(233,30,99,0.3);
    border-radius: 20px;
    font-size: 13px;
    color: var(--primary-light);
    animation: badgePulse 2s ease-in-out infinite;
}
.badge-icon { font-size: 16px; }
.badge-text { font-weight: 700; }
.badge-label { color: var(--text-sec); }
@keyframes badgePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.btn-start {
    padding: 18px 52px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 56px;
    box-shadow: 0 8px 24px rgba(233,30,99,0.3);
    animation: ctaFloat 2s ease-in-out infinite;
    animation-delay: 0s;
}
.btn-start:hover { transform: translateY(-2px); box-shadow: 0 12px 40px rgba(233,30,99,0.5); }
.btn-start:active { transform: scale(0.96); }
@keyframes ctaFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}
.test-count { color: var(--text-dim); font-size: 13px; }

/* Question */
.question-screen { justify-content: flex-start; padding-top: 40px; }
.progress-area { width: 100%; max-width: 480px; margin-bottom: 24px; }
.progress-bar { width: 100%; height: 6px; background: var(--surface); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--primary-light)); transition: width 0.4s ease; border-radius: 3px; }
.progress-text { text-align: center; color: var(--text-sec); font-size: 14px; margin-top: 8px; }
.question-card { width: 100%; max-width: 480px; animation: slideIn 0.4s ease; }
@keyframes slideIn { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }
.q-text { font-size: 20px; font-weight: 700; text-align: center; margin-bottom: 24px; line-height: 1.5; }
.q-options { display: flex; flex-direction: column; gap: 12px; }
.option-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 16px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text);
    font-size: 15px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-align: left;
    min-height: 56px;
    position: relative;
    overflow: hidden;
}
.option-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(233,30,99,0.2);
    transform: translate(-50%, -50%);
}
.option-btn:hover {
    background: rgba(233,30,99,0.12);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(233,30,99,0.2);
}
.option-btn:active::before {
    width: 300px;
    height: 300px;
    transition: width 0.4s, height 0.4s;
}
.option-btn.selected {
    background: rgba(233,30,99,0.2);
    border-color: var(--primary);
    animation: selectPulse 0.3s ease;
}
@keyframes selectPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}
.option-btn:disabled { opacity: 0.6; cursor: default; }
.opt-emoji { font-size: 22px; flex-shrink: 0; }
.opt-text { flex: 1; }

/* Loading */
.loading-screen { text-align: center; gap: 24px; }
.loading-icon { font-size: 72px; animation: heartPulse 1.5s ease-in-out infinite; }
.loading-bar { width: 280px; height: 6px; background: var(--surface); border-radius: 3px; overflow: hidden; }
.loading-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--primary-light)); transition: width 0.3s ease; border-radius: 3px; width: 0; }
.loading-text { color: var(--text-sec); font-size: 15px; }

/* Result */
.result-screen { justify-content: flex-start; padding-top: 20px; gap: 0; }
.result-card { width: 100%; max-width: 480px; }

/* Frequency display */
.freq-display {
    text-align: center;
    margin: 16px 0;
    padding: 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}
.freq-label { font-size: 14px; color: var(--text-sec); margin-bottom: 4px; }
.freq-number {
    font-size: 72px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--result-color, var(--primary)), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}
.freq-unit { font-size: 32px; font-weight: 700; }

/* Wave canvas */
.wave-container {
    width: 100%;
    max-width: 480px;
    height: 80px;
    margin: 8px 0;
    border-radius: 16px;
    overflow: hidden;
    background: var(--surface);
}
#wave-canvas { width: 100%; height: 100%; display: block; }

/* Play frequency button */
.btn-play-freq {
    width: 100%;
    max-width: 480px;
    padding: 14px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 8px 0 16px;
    min-height: 48px;
}
.btn-play-freq:hover { background: rgba(233,30,99,0.1); border-color: var(--primary); }
.btn-play-freq.playing {
    background: rgba(233,30,99,0.15);
    border-color: var(--primary);
    animation: pulseGlow 2s ease-in-out infinite;
}
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 5px rgba(233,30,99,0.2); }
    50% { box-shadow: 0 0 20px rgba(233,30,99,0.4); }
}

.result-emoji { font-size: 56px; text-align: center; margin: 12px 0 4px; }
.result-name { font-size: 16px; color: var(--primary-light); text-align: center; font-weight: 600; margin-bottom: 4px; }
.result-title { font-size: 26px; font-weight: 800; text-align: center; }
.result-subtitle { font-size: 15px; color: var(--text-sec); text-align: center; margin-bottom: 16px; }
.result-desc {
    font-size: 14px;
    color: var(--text-sec);
    line-height: 1.8;
    text-align: center;
    padding: 0 8px;
    margin-bottom: 16px;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInScale 0.6s ease 0.2s both;
}
@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Spectrum bars */
.spectrum-section { margin: 16px 0; }
.spectrum-section h3 { font-size: 16px; margin-bottom: 12px; text-align: center; }
.spectrum-bars {
    display: flex;
    justify-content: center;
    gap: 8px;
    height: 160px;
    align-items: flex-end;
    padding: 0 8px;
}
.spectrum-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    flex: 1;
    max-width: 60px;
}
.spectrum-bar.active .bar-label { color: var(--primary-light); font-weight: 700; }
.bar-label { font-size: 10px; color: var(--text-dim); white-space: nowrap; }
.bar-track {
    width: 100%;
    height: 100px;
    background: rgba(255,255,255,0.04);
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
}
.bar-fill {
    width: 100%;
    height: 0;
    border-radius: 6px;
    transition: height 1s cubic-bezier(0.4, 0, 0.2, 1);
}
.bar-pct { font-size: 11px; color: var(--text-sec); font-weight: 600; }

.detail-section {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 12px;
    animation: fadeUp 0.5s ease;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }
.detail-section h3 { font-size: 16px; margin-bottom: 12px; }
.detail-section ul { list-style: none; }
.detail-section li { padding: 6px 0; font-size: 14px; color: var(--text-sec); border-bottom: 1px solid var(--border); }
.detail-section li:last-child { border-bottom: none; }
.detail-section li::before { content: '\2022'; color: var(--primary-light); margin-right: 8px; }

.info-row {
    background: rgba(233,30,99,0.08);
    border: 1px solid rgba(233,30,99,0.15);
    border-radius: 14px;
    padding: 14px 18px;
    margin-bottom: 10px;
}
.info-row .info-label { font-size: 12px; color: var(--primary-light); margin-bottom: 2px; }
.info-row .info-value { font-size: 14px; color: var(--text); line-height: 1.5; }

/* Premium */
.btn-premium {
    width: 100%; max-width: 480px;
    padding: 16px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #f39c12, #e67e22);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 12px 0;
    min-height: 52px;
}
.btn-premium:hover { transform: scale(1.02); box-shadow: 0 6px 25px rgba(243,156,18,0.4); }
#premium-content { display: none; width: 100%; max-width: 480px; }

/* Compatibility */
.compat-grid { display: flex; flex-direction: column; gap: 8px; }
.compat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
}
.compat-item:last-child { border-bottom: none; }
.compat-emoji { font-size: 18px; }
.compat-label { font-size: 12px; color: var(--text-sec); min-width: 50px; }
.compat-bar-bg { flex: 1; height: 8px; background: rgba(255,255,255,0.05); border-radius: 4px; overflow: hidden; }
.compat-bar { height: 100%; border-radius: 4px; transition: width 0.8s ease; }
.compat-score { font-size: 13px; font-weight: 700; min-width: 36px; text-align: right; }
.compat-level { font-size: 11px; min-width: 50px; text-align: center; padding: 2px 6px; border-radius: 6px; }
.compat-item.perfect .compat-level { background: rgba(233,30,99,0.2); color: var(--primary-light); }
.compat-item.good .compat-level { background: rgba(46,204,113,0.2); color: #2ecc71; }
.compat-item.normal .compat-level { background: rgba(243,156,18,0.2); color: #f39c12; }
.compat-item.low .compat-level { background: rgba(149,165,166,0.2); color: #95a5a6; }

.music-rec { font-size: 14px; color: var(--text-sec); line-height: 1.6; }

/* Action buttons */
.action-buttons { display: flex; gap: 10px; width: 100%; max-width: 480px; margin: 8px 0; flex-wrap: wrap; }
.btn-share, .btn-save-image, .btn-retry {
    flex: 1;
    min-width: 100px;
    padding: 14px 12px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 48px;
}
.btn-share:hover, .btn-save-image:hover, .btn-retry:hover { background: rgba(233,30,99,0.12); border-color: var(--primary); }

/* Ad overlay */
.ad-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 20px;
}
.ad-overlay.active { display: flex; }
.ad-modal { text-align: center; color: var(--text); }
.ad-modal p { font-size: 14px; color: var(--text-sec); margin-bottom: 16px; }
.ad-placeholder { width: 300px; height: 250px; background: var(--surface); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--text-dim); font-size: 13px; margin: 0 auto 16px; }
#ad-countdown { font-size: 32px; font-weight: 700; color: var(--primary-light); }
#ad-close {
    display: none;
    padding: 14px 40px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    background: var(--primary);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    min-height: 48px;
}

/* Responsive */
@media (max-width: 480px) {
    .rec-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .rec-card { padding: 12px; }
    .rec-icon { font-size: 28px; }
    .rec-name { font-size: 12px; }
    .rec-desc { font-size: 10px; }
    .btn-start { min-height: 52px; padding: 16px 40px; }
    .option-btn { min-height: 48px; }
    .trust-badge { font-size: 12px; padding: 8px 12px; }
}

@media (max-width: 380px) {
    .intro-title { font-size: 24px; }
    .q-text { font-size: 17px; }
    .freq-number { font-size: 56px; }
    .result-title { font-size: 22px; }
    .spectrum-bars { gap: 4px; }
    .bar-label { font-size: 9px; }
    .rec-grid { grid-template-columns: 1fr; gap: 6px; }
    .rec-card { padding: 10px; flex-direction: row; }
    .rec-icon { font-size: 24px; }
    .rec-info { flex: 1; align-items: flex-start; gap: 2px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* === RECOMMENDATIONS === */
.recommendations-section { margin-top: 24px; padding: 0 4px; }
.rec-title { font-size: 16px; font-weight: 700; color: var(--primary-light); margin-bottom: 16px; text-align: center; letter-spacing: 0.5px; }
.rec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.rec-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-align: center;
}
.rec-card:hover, .rec-card:active {
    background: rgba(233,30,99,0.15);
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(233,30,99,0.2);
}
.rec-icon { font-size: 32px; }
.rec-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}
.rec-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.rec-desc {
    font-size: 11px;
    color: var(--text-dim);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* === Focus Visible === */
*:focus-visible { outline: 2px solid var(--primary-light); outline-offset: 2px; }

/* === Accessibility Improvements === */
button:focus-visible,a:focus-visible,input:focus-visible,[role="button"]:focus-visible{outline:3px solid #1abc9c;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:#1abc9c;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;}}
/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark, var(--bg-primary, var(--background, #0f0f23)));
}

::-webkit-scrollbar-thumb {
    background: #e91e63;
    border-radius: 5px;
    border: 2px solid var(--bg-dark, var(--bg-primary, var(--background, #0f0f23)));
}

::-webkit-scrollbar-thumb:hover {
    background: #ed4b82;
    opacity: 0.8;
}

/* Selection Color */
::selection {
    background: #e91e63;
    color: white;
}

::-moz-selection {
    background: #e91e63;
    color: white;
}

@media (prefers-contrast: more){button{border:2px solid #1abc9c;}}
.rec-card:focus-visible{outline:3px solid #1abc9c;outline-offset:4px;}

/* === 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); }

/* === THEME TOGGLE === */
.theme-toggle {
    position: fixed;
    top: 12px;
    right: 56px;
    z-index: 1000;
    background: rgba(236,72,153,0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(236,72,153,0.4);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.theme-toggle:hover {
    background: rgba(236,72,153,0.5);
    transform: scale(1.1);
}

/* === LIGHT MODE === */
[data-theme="light"] {
    --bg: #f5f5fa;
    --surface: rgba(255,255,255,0.95);
    --border: rgba(0,0,0,0.08);
    --text: #1a1a2e;
    --text-sec: #5a5a70;
    --text-dim: #8a8a9e;
    --result-color: #e91e63;
}

[data-theme="light"] body {
    background: var(--bg);
    color: var(--text);
}

[data-theme="light"] .app-loader {
    background: var(--bg);
}

[data-theme="light"] .lang-btn {
    background: rgba(233,30,99,0.15);
    border-color: rgba(233,30,99,0.25);
    color: var(--primary);
}

[data-theme="light"] .lang-btn:hover {
    background: rgba(233,30,99,0.25);
}

[data-theme="light"] .lang-menu {
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-color: rgba(233,30,99,0.2);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

[data-theme="light"] .lang-option {
    color: var(--text);
}

[data-theme="light"] .lang-option:hover {
    background: rgba(233,30,99,0.1);
}

[data-theme="light"] .lang-option.active {
    background: rgba(233,30,99,0.15);
}

[data-theme="light"] .ad-banner {
    background: rgba(0,0,0,0.03);
    border-color: rgba(0,0,0,0.08);
    color: var(--text-dim);
}

[data-theme="light"] .intro-title {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .intro-subtitle {
    color: var(--text-sec);
}

[data-theme="light"] .intro-meta {
    color: var(--text-sec);
}

[data-theme="light"] .intro-wave {
    background: rgba(233,30,99,0.08);
}

[data-theme="light"] .trust-badge {
    background: rgba(233,30,99,0.12);
    border-color: rgba(233,30,99,0.2);
    color: var(--primary);
}

[data-theme="light"] .trust-badge .badge-label {
    color: var(--text-sec);
}

[data-theme="light"] .btn-start {
    box-shadow: 0 8px 24px rgba(233,30,99,0.25);
}

[data-theme="light"] .btn-start:hover {
    box-shadow: 0 12px 40px rgba(233,30,99,0.4);
}

[data-theme="light"] .test-count {
    color: var(--text-dim);
}

[data-theme="light"] .progress-bar {
    background: rgba(233,30,99,0.1);
}

[data-theme="light"] .q-text {
    color: var(--text);
}

[data-theme="light"] .option-btn {
    background: rgba(255,255,255,0.8);
    border-color: rgba(233,30,99,0.15);
    color: var(--text);
}

[data-theme="light"] .option-btn:hover {
    background: rgba(233,30,99,0.08);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(233,30,99,0.15);
}

[data-theme="light"] .option-btn.selected {
    background: rgba(233,30,99,0.15);
    border-color: var(--primary);
}

[data-theme="light"] .loading-text {
    color: var(--text-sec);
}

[data-theme="light"] .freq-display {
    background: rgba(255,255,255,0.8);
    border-color: rgba(233,30,99,0.15);
}

[data-theme="light"] .freq-label {
    color: var(--text-sec);
}

[data-theme="light"] .wave-container {
    background: rgba(255,255,255,0.6);
}

[data-theme="light"] .btn-play-freq {
    background: rgba(255,255,255,0.8);
    border-color: rgba(233,30,99,0.15);
    color: var(--text);
}

[data-theme="light"] .btn-play-freq:hover {
    background: rgba(233,30,99,0.08);
    border-color: var(--primary);
}

[data-theme="light"] .btn-play-freq.playing {
    background: rgba(233,30,99,0.12);
    border-color: var(--primary);
}

[data-theme="light"] .result-name {
    color: var(--primary);
}

[data-theme="light"] .result-title {
    color: var(--text);
}

[data-theme="light"] .result-subtitle {
    color: var(--text-sec);
}

[data-theme="light"] .result-desc {
    color: var(--text-sec);
}

[data-theme="light"] .detail-section {
    background: rgba(255,255,255,0.8);
    border-color: rgba(233,30,99,0.15);
}

[data-theme="light"] .detail-section h3 {
    color: var(--text);
}

[data-theme="light"] .detail-section li {
    color: var(--text-sec);
    border-color: rgba(233,30,99,0.1);
}

[data-theme="light"] .info-row {
    background: rgba(233,30,99,0.06);
    border-color: rgba(233,30,99,0.12);
}

[data-theme="light"] .info-row .info-label {
    color: var(--primary);
}

[data-theme="light"] .info-row .info-value {
    color: var(--text);
}

[data-theme="light"] .spectrum-section h3 {
    color: var(--text);
}

[data-theme="light"] .bar-label {
    color: var(--text-dim);
}

[data-theme="light"] .spectrum-bar.active .bar-label {
    color: var(--primary);
}

[data-theme="light"] .bar-track {
    background: rgba(233,30,99,0.08);
}

[data-theme="light"] .bar-pct {
    color: var(--text-sec);
}

[data-theme="light"] .btn-premium {
    box-shadow: 0 4px 15px rgba(243,156,18,0.3);
}

[data-theme="light"] .btn-premium:hover {
    box-shadow: 0 6px 25px rgba(243,156,18,0.4);
}

[data-theme="light"] .btn-share,
[data-theme="light"] .btn-save-image,
[data-theme="light"] .btn-retry {
    background: rgba(255,255,255,0.8);
    border-color: rgba(233,30,99,0.15);
    color: var(--text);
}

[data-theme="light"] .btn-share:hover,
[data-theme="light"] .btn-save-image:hover,
[data-theme="light"] .btn-retry:hover {
    background: rgba(233,30,99,0.08);
    border-color: var(--primary);
}

[data-theme="light"] .ad-overlay {
    background: rgba(0,0,0,0.85);
}

[data-theme="light"] .ad-modal p {
    color: var(--text-sec);
}

[data-theme="light"] .ad-placeholder {
    background: rgba(233,30,99,0.08);
    color: var(--text-dim);
}

[data-theme="light"] #ad-countdown {
    color: var(--primary);
}

[data-theme="light"] .rec-title {
    color: var(--primary);
}

[data-theme="light"] .rec-card {
    background: rgba(255,255,255,0.8);
    border-color: rgba(233,30,99,0.15);
}

[data-theme="light"] .rec-card:hover,
[data-theme="light"] .rec-card:active {
    background: rgba(233,30,99,0.1);
    border-color: var(--primary);
    box-shadow: 0 8px 20px rgba(233,30,99,0.15);
}

[data-theme="light"] .rec-name {
    color: var(--text);
}

[data-theme="light"] .rec-desc {
    color: var(--text-dim);
}

[data-theme="light"] .back-link {
    color: var(--text-dim);
}

[data-theme="light"] .back-link:hover {
    color: var(--text);
}

[data-theme="light"] .theme-toggle {
    background: rgba(233,30,99,0.15);
    border-color: rgba(233,30,99,0.25);
    color: var(--primary);
}

[data-theme="light"] .theme-toggle:hover {
    background: rgba(233,30,99,0.25);
}