*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --ink: #f7f5ff;
    --muted: #aaa6bf;
    --page: #111126;
    --panel: #1a1932;
    --panel-2: #24213f;
    --line: rgba(255,255,255,.1);
    --purple: #8069f2;
    --purple-2: #9b87ff;
    --mint: #65e6c4;
    --yellow: #f4ce6a;
    --pink: #ef7586;
    --radius: 24px;
    --shadow: 0 24px 70px rgba(5, 4, 18, .38);
}

html { color-scheme: dark; scroll-behavior: smooth; }
body {
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--ink);
    background:
        radial-gradient(circle at 50% -10%, rgba(128,105,242,.18), transparent 34rem),
        var(--page);
    font-family: Inter, ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
}
button, input { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }

.ambient { position: fixed; z-index: -1; width: 24rem; height: 24rem; border-radius: 50%; filter: blur(100px); opacity: .13; pointer-events: none; }
.ambient-one { top: 20%; left: -15rem; background: #8b5cf6; }
.ambient-two { right: -16rem; top: 58%; background: #37d6b2; }

.container { width: min(100% - 28px, 760px); margin: 0 auto; }
.header { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 24px 4px 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-size: 1.05rem; font-weight: 800; letter-spacing: -.02em; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 13px; background: linear-gradient(145deg, var(--purple-2), #5b46c5); box-shadow: 0 10px 28px rgba(128,105,242,.3); font-size: .72rem; letter-spacing: -.04em; }
.tagline { color: var(--muted); font-size: .83rem; }

.game-container { min-height: 650px; }
.screen { display: none; }
.screen.active { display: block; animation: enter .42s cubic-bezier(.2,.8,.2,1); }
@keyframes enter { from { opacity: 0; transform: translateY(12px) scale(.99); } to { opacity: 1; transform: none; } }

.start-content { text-align: center; padding: 48px 0 34px; }
.eyebrow { color: var(--mint); font-size: .72rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.start-content h1 { margin: 12px auto 16px; max-width: 680px; font-size: clamp(2.4rem, 9vw, 5.1rem); line-height: .98; letter-spacing: -.065em; }
.start-content h1 span { color: var(--purple-2); }
.intro { max-width: 590px; margin: 0 auto; color: var(--muted); font-size: clamp(.98rem, 2.5vw, 1.12rem); }

.toon-preview-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 34px 0 26px; }
.toon-preview-card { overflow: hidden; position: relative; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); box-shadow: 0 13px 34px rgba(0,0,0,.18); transform: translateY(0) rotate(0); transition: transform .2s ease, border-color .2s ease; }
.toon-preview-card:nth-child(1) { transform: rotate(-2deg); }
.toon-preview-card:nth-child(2) { transform: translateY(-7px) rotate(1.2deg); }
.toon-preview-card:nth-child(3) { transform: rotate(-1deg); }
.toon-preview-card:nth-child(4) { transform: translateY(-5px) rotate(2deg); }
.toon-preview-card:hover { z-index: 1; transform: translateY(-9px) scale(1.03); border-color: rgba(155,135,255,.65); }
.toon-preview-card .toon-svg { display: block; width: 100%; }
.toon-preview-card span { position: absolute; left: 8px; right: 8px; bottom: 7px; padding: 4px 6px; border-radius: 8px; color: #fff; background: rgba(17,17,38,.72); backdrop-filter: blur(5px); font-size: .65rem; font-weight: 750; }

.mode-buttons { display: grid; grid-template-columns: 1.25fr .75fr; gap: 12px; margin: 0 auto 25px; }
.btn { width: 100%; min-height: 58px; display: flex; align-items: center; justify-content: center; gap: 9px; border: 0; border-radius: 17px; padding: 15px 18px; cursor: pointer; color: var(--ink); font-weight: 780; transition: transform .18s ease, filter .18s ease, border-color .18s ease; }
.btn:hover:not(:disabled) { transform: translateY(-2px); filter: brightness(1.06); }
.btn:active:not(:disabled) { transform: translateY(0); }
.btn:disabled { cursor: not-allowed; opacity: .55; }
.btn-primary { background: linear-gradient(145deg, var(--purple-2), #644dce); box-shadow: 0 15px 35px rgba(128,105,242,.25); }
.btn-secondary { background: var(--panel); border: 1px solid var(--line); }
.btn-submit { margin-top: 14px; color: #10251f; background: linear-gradient(145deg, #83f1d3, #4ec9a8); }
.btn-share { margin-bottom: 12px; background: linear-gradient(145deg, var(--purple-2), #644dce); }
.btn-icon { font-size: 1.25rem; }
.btn-text { font-size: .98rem; }
.btn-sub { color: rgba(255,255,255,.65); font-size: .7rem; font-weight: 520; }
.mode-buttons .btn { flex-direction: column; gap: 0; }
.btn.is-complete { background: #35314e; box-shadow: inset 0 0 0 1px rgba(101,230,196,.35); }

.category-select { margin: 0 auto 24px; padding: 16px; border: 1px solid var(--line); border-radius: 18px; background: rgba(26,25,50,.65); }
.category-label { margin-bottom: 10px; color: var(--muted); font-size: .72rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.category-chips { display: flex; justify-content: center; flex-wrap: wrap; gap: 7px; }
.chip { padding: 8px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: #17162c; cursor: pointer; font-size: .77rem; transition: .18s ease; }
.chip:hover { color: var(--ink); border-color: rgba(155,135,255,.5); }
.chip.active { color: #fff; border-color: var(--purple); background: rgba(128,105,242,.3); }

.stats-preview { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 470px; margin: 0 auto; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
.stat { position: relative; padding: 15px 8px; }
.stat + .stat::before { content: ''; position: absolute; left: 0; top: 20%; bottom: 20%; width: 1px; background: var(--line); }
.stat-value { display: block; color: var(--ink); font-size: 1.35rem; font-weight: 850; }
.stat-label { color: var(--muted); font-size: .63rem; letter-spacing: .06em; text-transform: uppercase; }

.round-indicator { margin-bottom: 14px; color: var(--muted); text-align: center; font-size: .7rem; font-weight: 800; letter-spacing: .14em; }
.challenge-content, .guess-content, .result-content, .final-content { padding: 30px 0 48px; }

.character-card { position: relative; overflow: hidden; padding: 15px 15px 24px; border: 1px solid var(--line); border-radius: 30px; background: var(--panel); box-shadow: var(--shadow); text-align: center; }
.character-card[data-category="critters"] { box-shadow: 0 24px 70px rgba(97,69,143,.2); }
.character-card[data-category="heroes"] { box-shadow: 0 24px 70px rgba(47,110,151,.2); }
.character-card[data-category="magic"] { box-shadow: 0 24px 70px rgba(118,62,138,.2); }
.character-card[data-category="space"] { box-shadow: 0 24px 70px rgba(46,75,145,.22); }
.toon-stage { overflow: hidden; width: 100%; border-radius: 22px; background: #18172d; }
.toon-svg { display: block; width: 100%; height: auto; }
.character-world { margin-top: 17px; color: var(--mint); font-size: .66rem; font-weight: 850; letter-spacing: .16em; text-transform: uppercase; }
.character-name { margin-top: 3px; font-size: clamp(1.8rem, 6vw, 2.55rem); letter-spacing: -.045em; }
.character-hint { color: var(--muted); }
.think-prompt { padding: 22px 10px 0; text-align: center; }
.think-prompt p { margin-bottom: 10px; color: var(--muted); font-size: .84rem; }
.countdown-bar { overflow: hidden; height: 7px; border-radius: 99px; background: var(--panel-2); }
.countdown-fill { width: 100%; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--purple-2), var(--mint)); }
.countdown-text { display: inline-block; margin-top: 8px; color: var(--purple-2); font-size: 1.25rem; font-weight: 850; }

.guess-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-bottom: 14px; }
.guess-header h2 { margin-top: 5px; font-size: clamp(1.45rem, 4.5vw, 2rem); letter-spacing: -.035em; }
.guess-header p:not(.eyebrow) { color: var(--muted); font-size: .85rem; }
.memory-chip { flex: none; padding: 7px 10px; border: 1px solid rgba(239,117,134,.3); border-radius: 999px; color: #f09aaa; background: rgba(239,117,134,.08); font-size: .58rem; font-weight: 850; letter-spacing: .09em; }
.guess-art-shell { padding: 12px; border: 1px solid var(--line); border-radius: 28px; background: var(--panel); box-shadow: var(--shadow); }
.toon-stage-guess { border-radius: 19px; }
.live-swatch-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 5px 1px; color: var(--muted); font-size: .75rem; }
.live-swatch { width: 54px; height: 24px; border: 2px solid rgba(255,255,255,.2); border-radius: 99px; box-shadow: inset 0 0 0 1px rgba(0,0,0,.12); }

.sliders-container { margin-top: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 22px; background: var(--panel); }
.slider-group + .slider-group { margin-top: 17px; }
.slider-group label { display: flex; justify-content: space-between; margin-bottom: 8px; }
.slider-label { font-size: .78rem; font-weight: 720; }
.slider-value { color: var(--muted); font: 700 .75rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.slider { appearance: none; width: 100%; height: 12px; border: 0; border-radius: 99px; outline: none; cursor: pointer; }
.hue-slider { background: linear-gradient(90deg, #f45b69, #f4d35e, #65dc8e, #57d5e9, #6579f4, #c068e8, #f45b9a, #f45b69); }
.sat-slider { background: linear-gradient(90deg, #777, #ef7586); }
.light-slider { background: linear-gradient(90deg, #000, #8069f2, #fff); }
.slider::-webkit-slider-thumb { appearance: none; width: 27px; height: 27px; border: 4px solid #fff; border-radius: 50%; background: #18172d; box-shadow: 0 3px 12px rgba(0,0,0,.45); }
.slider::-moz-range-thumb { width: 20px; height: 20px; border: 4px solid #fff; border-radius: 50%; background: #18172d; box-shadow: 0 3px 12px rgba(0,0,0,.45); }
.slider:focus-visible { outline: 3px solid rgba(155,135,255,.45); outline-offset: 4px; }

.result-header { text-align: center; margin-bottom: 17px; }
.result-reaction { display: block; color: var(--mint); font-size: 2.4rem; line-height: 1; animation: pop .45s cubic-bezier(.2,.9,.2,1.2); }
@keyframes pop { from { opacity: 0; transform: scale(.3) rotate(-15deg); } to { opacity: 1; transform: none; } }
.result-message { margin-top: 5px; font-size: clamp(1.8rem, 6vw, 2.7rem); letter-spacing: -.05em; }
.result-name { color: var(--muted); }
.art-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.art-result-card { overflow: hidden; padding: 8px 8px 11px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); text-align: center; }
.toon-stage-result { border-radius: 14px; }
.art-result-card > span { display: block; margin-top: 7px; color: var(--muted); font-size: .7rem; }
.score-display { margin: 20px 0 12px; text-align: center; }
.round-score { display: flex; align-items: baseline; justify-content: center; gap: 4px; }
.score-number { font-size: 3.5rem; line-height: 1; font-weight: 900; letter-spacing: -.06em; }
.score-label { color: var(--muted); }
.delta-e { margin-top: 4px; color: var(--muted); font-size: .72rem; }
.delta-e span { color: var(--ink); font-family: ui-monospace, monospace; }
.score-bar-container { overflow: hidden; height: 8px; margin: 0 0 17px; border-radius: 99px; background: var(--panel-2); }
.score-bar { width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--pink), var(--yellow), var(--mint)); transition: width .65s cubic-bezier(.2,.8,.2,1); }

.final-content { text-align: center; }
.final-reaction { display: block; color: var(--mint); font-size: 3.5rem; line-height: 1; }
.final-header h2 { margin-top: 7px; font-size: clamp(2.2rem, 8vw, 3.7rem); letter-spacing: -.055em; }
.final-score { display: flex; align-items: baseline; justify-content: center; gap: 5px; margin-top: 18px; }
.final-number { font-size: clamp(4rem, 18vw, 7rem); line-height: .9; font-weight: 900; letter-spacing: -.08em; }
.final-label { color: var(--muted); }
.final-grade { display: grid; place-items: center; width: 58px; height: 58px; margin: 15px auto 20px; border-radius: 18px; color: #14221f; font-size: 1.7rem; font-weight: 900; transform: rotate(4deg); box-shadow: 0 10px 25px rgba(0,0,0,.2); }
.score-breakdown { display: grid; grid-template-columns: repeat(5, 1fr); gap: 7px; margin-bottom: 18px; }
.round-pip { min-width: 0; padding: 10px 3px; border-radius: 14px; color: #17162b; }
.round-pip span { display: block; font-size: .8rem; }
.round-pip strong { display: block; font-size: .82rem; }
.score-excellent { background: var(--mint); }.score-good { background: #99dec9; }.score-ok { background: var(--yellow); }.score-poor { background: #ee9a6d; }.score-bad { background: var(--pink); }
.share-section { margin-bottom: 12px; }
.share-preview { padding: 14px; border: 1px solid var(--line); border-radius: 16px; color: var(--muted); background: var(--panel); font: .72rem/1.55 ui-monospace, monospace; white-space: pre-line; text-align: left; }

.seo-content { margin-top: 40px; padding: 55px 0 48px; border-top: 1px solid var(--line); }
.seo-content > h2 { margin: 7px 0 13px; font-size: clamp(1.8rem, 6vw, 2.8rem); letter-spacing: -.045em; }
.seo-content > p:not(.eyebrow) { margin-bottom: 13px; color: var(--muted); }
.how-to-play { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 24px 0 54px; }
.step { min-height: 190px; padding: 19px; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); }
.step-number { margin-bottom: 28px; color: var(--purple-2); font-size: .7rem; font-weight: 850; letter-spacing: .1em; }
.step h3 { margin-bottom: 7px; font-size: 1.02rem; }
.step p { color: var(--muted); font-size: .82rem; }
.faq { display: grid; gap: 7px; margin-top: 20px; }
.faq details { border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.faq summary { display: flex; justify-content: space-between; padding: 15px 17px; cursor: pointer; list-style: none; font-size: .87rem; font-weight: 730; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--purple-2); font-size: 1.1rem; }
.faq details[open] summary::after { content: '−'; }
.faq details p { padding: 0 17px 16px; color: var(--muted); font-size: .82rem; }
.footer { padding: 25px 0 40px; color: var(--muted); text-align: center; font-size: .72rem; }

.toast { position: fixed; z-index: 10; left: 50%; bottom: 25px; transform: translateX(-50%); width: max-content; max-width: calc(100% - 32px); padding: 12px 17px; border: 1px solid var(--line); border-radius: 13px; color: var(--ink); background: rgba(36,33,63,.96); box-shadow: var(--shadow); font-size: .8rem; animation: toast-in .25s ease; }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 10px); } }

@media (max-width: 620px) {
    .container { width: min(100% - 20px, 760px); }
    .header { padding-top: 17px; }
    .tagline { display: none; }
    .start-content { padding-top: 32px; }
    .toon-preview-grid { gap: 6px; margin-top: 27px; }
    .toon-preview-card { border-radius: 12px; }
    .toon-preview-card span { display: none; }
    .mode-buttons { grid-template-columns: 1fr; }
    .category-select { padding: 13px; }
    .challenge-content, .guess-content, .result-content, .final-content { padding-top: 20px; }
    .character-card { padding: 9px 9px 20px; border-radius: 23px; }
    .toon-stage { border-radius: 17px; }
    .guess-header { align-items: flex-start; }
    .memory-chip { margin-top: 2px; }
    .art-comparison { gap: 6px; }
    .art-result-card { padding: 5px 5px 9px; border-radius: 15px; }
    .how-to-play { grid-template-columns: 1fr; }
    .step { min-height: auto; }
    .step-number { margin-bottom: 18px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}