.quiz-theme-customizer{min-width:0;padding:24px;border:1px solid var(--line, #e2e8f0);border-radius:var(--radius-lg, 22px);background:var(--surface, #ffffff);box-shadow:var(--shadow, 0 10px 34px rgba(28, 43, 72, .055));color:var(--ink, #152033)}.quiz-theme-heading{min-width:0;margin-bottom:20px;display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.quiz-theme-heading>div{min-width:0}.quiz-theme-heading h2{margin:5px 0 0;font-size:18px;font-weight:780;line-height:1.35}.quiz-theme-kicker{color:var(--accent, #245cbd);display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:800}.quiz-theme-reset{min-height:42px;padding:0 12px;border:1px solid var(--line-strong, #cbd5e1);border-radius:12px;background:var(--surface, #ffffff);color:var(--muted, #667085);display:inline-flex;align-items:center;justify-content:center;gap:7px;flex:none;font-size:12px;font-weight:750;transition:border-color .14s ease,background .14s ease,color .14s ease}.quiz-theme-reset:hover{border-color:var(--accent, #245cbd);background:var(--accent-soft, #edf4ff);color:var(--accent-dark, #194996)}.quiz-theme-reset:focus-visible,.quiz-theme-preset:focus-within,.quiz-theme-color-control input:focus-visible{outline:3px solid var(--focus-ring, #c2d1e8);outline-offset:2px}.quiz-theme-fieldset{min-width:0;margin:0;padding:0;border:0}.quiz-theme-fieldset+.quiz-theme-fieldset{margin-top:20px;padding-top:20px;border-top:1px solid var(--line, #e2e8f0)}.quiz-theme-fieldset legend{margin-bottom:11px;padding:0;color:var(--muted, #667085);font-size:13px;font-weight:750}.quiz-theme-presets{min-width:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.quiz-theme-preset{min-width:0;min-height:48px;padding:7px 9px;border:1px solid var(--line, #e2e8f0);border-radius:12px;background:var(--surface, #ffffff);color:var(--muted, #667085);display:grid;grid-template-columns:32px minmax(0,1fr);align-items:center;gap:8px;cursor:pointer;font-size:12px;font-weight:750;line-height:1.3;transition:border-color .14s ease,background .14s ease,color .14s ease,box-shadow .14s ease}.quiz-theme-preset:hover{border-color:var(--line-strong, #cbd5e1);color:var(--ink, #152033)}.quiz-theme-preset.selected{border-color:var(--accent, #245cbd);background:var(--accent-soft, #edf4ff);color:var(--accent-dark, #194996);box-shadow:inset 3px 0 0 var(--accent, #245cbd)}.quiz-theme-preset input{width:1px;height:1px;min-height:0;margin:0;padding:0;position:absolute;opacity:0}.quiz-theme-swatches{width:32px;height:32px;border:1px solid var(--line, #e2e8f0);border-radius:9px;background:#fff;display:grid;grid-template-columns:repeat(2,1fr);overflow:hidden}.quiz-theme-swatches i{display:block}.quiz-theme-color-grid{min-width:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.quiz-theme-color-control{min-width:0;display:grid;gap:7px;color:var(--muted, #667085);font-size:12px;font-weight:750}.quiz-theme-color-value{min-width:0;min-height:42px;padding:5px 9px 5px 5px;border:1px solid var(--line-strong, #cbd5e1);border-radius:12px;background:var(--surface, #ffffff);display:flex;align-items:center;gap:8px}.quiz-theme-color-value input[type=color]{width:32px;height:30px;min-height:30px;padding:0;border:0;border-radius:5px;background:transparent;flex:none;overflow:hidden}.quiz-theme-color-value input[type=color]::-webkit-color-swatch-wrapper{padding:0}.quiz-theme-color-value input[type=color]::-webkit-color-swatch{border:1px solid rgba(23,33,28,.18);border-radius:5px}.quiz-theme-color-value input[type=color]::-moz-color-swatch{border:1px solid rgba(23,33,28,.18);border-radius:5px}.quiz-theme-color-value code{min-width:0;color:var(--ink, #152033);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:11px;font-weight:700;overflow-wrap:anywhere}.quiz-theme-preview{width:100%;height:112px;margin-top:24px;border:1px solid var(--line-strong, #cbd5e1);border-radius:16px;position:relative;background:var(--bg, #f3f6fb);overflow:hidden}.quiz-theme-preview-header{height:24px;border-bottom:1px solid var(--line, #e2e8f0);position:absolute;inset:0 0 auto;background:var(--surface, #ffffff)}.quiz-theme-preview-header:before{width:14px;height:14px;border-radius:4px;position:absolute;top:5px;left:10px;background:var(--accent, #245cbd);content:""}.quiz-theme-preview-content{padding:39px 24px 34px;display:grid;grid-template-columns:minmax(52px,.6fr) minmax(64px,1fr) 44px;align-items:center;gap:10px}.quiz-theme-preview-content i,.quiz-theme-preview-content b,.quiz-theme-preview-content em{height:8px;border-radius:3px;display:block}.quiz-theme-preview-content i{background:var(--accent, #245cbd)}.quiz-theme-preview-content b{background:var(--blue-soft, #edf4ff);box-shadow:inset 0 0 0 1px var(--blue, #245cbd)}.quiz-theme-preview-content em{height:26px;background:var(--blue, #245cbd)}.quiz-theme-preview-navigation{width:150px;height:26px;padding:4px;border-radius:9px 9px 0 0;position:absolute;right:50%;bottom:0;background:var(--sidebar-bg, #141f34);transform:translate(50%);display:grid;grid-template-columns:repeat(4,1fr);gap:3px}.quiz-theme-preview-navigation i{border-radius:5px;background:#ffffff1f}.quiz-theme-preview-navigation i:first-child{background:#ffffff61}@media(max-width:840px){.quiz-theme-presets{grid-template-columns:repeat(3,minmax(0,1fr))}.quiz-theme-color-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:480px){.quiz-theme-customizer{padding:20px 16px}.quiz-theme-heading{align-items:stretch;flex-direction:column;gap:12px}.quiz-theme-reset{width:100%}.quiz-theme-presets{grid-template-columns:repeat(2,minmax(0,1fr))}.quiz-theme-color-grid{grid-template-columns:1fr}.quiz-theme-preview-content{padding-inline:16px;grid-template-columns:minmax(34px,.7fr) minmax(42px,1fr) 28px;gap:7px}}:root{color-scheme:light;font-family:Pretendard Variable,Pretendard,Inter,Noto Sans KR,Segoe UI,Arial,sans-serif;font-synthesis:none;--bg: #f3f6fb;--surface: #ffffff;--surface-soft: #f6f8fc;--surface-strong: #e8eef7;--ink: #152033;--muted: #667085;--subtle: #7b8495;--line: #e2e8f0;--line-strong: #cbd5e1;--accent: #245cbd;--accent-dark: #194996;--accent-soft: #edf4ff;--sidebar-bg: #141f34;--sidebar-border: #32405a;--sidebar-text: #ffffff;--sidebar-muted: #b7c2d6;--sidebar-hover: rgba(255, 255, 255, .07);--sidebar-active: rgba(255, 255, 255, .14);--sidebar-accent: #9dc0ff;--blue: #245cbd;--blue-soft: #edf4ff;--violet: #7157a6;--violet-soft: #f2effa;--amber: #a55b08;--amber-soft: #fff7e8;--red: #b62e3a;--red-soft: #fff1f2;--yellow: #946d12;--yellow-soft: #fcf6df;--green: #14734a;--green-soft: #edf8f3;--apple-red: #ff3b30;--apple-yellow: #ffcc00;--apple-green: #34c759;--radius-sm: 10px;--radius: 16px;--radius-lg: 22px;--shadow: 0 10px 34px rgba(28, 43, 72, .055);--shadow-raised: 0 18px 50px rgba(28, 43, 72, .12)}*{box-sizing:border-box}.sr-only{width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}html{min-width:320px;background:var(--bg)}body{min-width:320px;min-height:100vh;margin:0;background:radial-gradient(circle at 15% -10%,color-mix(in srgb,var(--accent) 8%,transparent),transparent 30rem),var(--bg);color:var(--ink);font-feature-settings:"kern" 1,"tnum" 1;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body,button,input,textarea,select{font:inherit;letter-spacing:0}button,select{cursor:pointer}button:disabled,input:disabled,textarea:disabled,select:disabled{cursor:not-allowed;opacity:.5}button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}h1,h2,h3,p{margin-top:0}h1,h2,h3,strong{overflow-wrap:anywhere}::selection{background:#d8e6ff;color:var(--ink)}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 24%,transparent);outline-offset:2px;border-color:var(--accent)}.skip-link{position:fixed;top:10px;left:50%;z-index:200;padding:10px 14px;border-radius:8px;background:var(--ink);color:#fff;font-size:13px;font-weight:750;text-decoration:none;transform:translate(-50%,-160%);transition:transform .12s ease}.skip-link:focus{transform:translate(-50%)}.boot{min-height:100vh;color:var(--accent);display:grid;place-content:center;gap:18px;justify-items:center}.brand-mark{width:48px;height:48px;padding:3px;border:1px solid rgba(36,92,189,.14);border-radius:14px;background:linear-gradient(145deg,#1a2b4b,var(--accent));color:#fff;box-shadow:0 8px 20px #1c2b4829;display:grid;place-items:center;flex:none;font-size:13px;font-weight:850;line-height:1;overflow:hidden}.brand-mark img{width:100%;height:100%;display:block;object-fit:contain}.brand-mark.fallback{background:linear-gradient(145deg,#1a2b4b,var(--accent));color:#fff;font-size:12px}.brand-mark.small{width:38px;height:38px;border-radius:11px;font-size:10px}.brand-mark.large{width:70px;height:70px;padding:4px;border-radius:18px;font-size:16px}.spin{animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-page{min-height:100vh;padding:clamp(24px,5vw,72px);background:radial-gradient(circle at 50% 0%,color-mix(in srgb,var(--accent) 15%,transparent),transparent 32rem),var(--bg);display:grid;place-items:center}.login-layout{width:min(960px,100%);min-height:560px;border:1px solid rgba(210,219,232,.92);border-radius:28px;background:var(--surface);box-shadow:var(--shadow-raised);display:grid;grid-template-columns:minmax(0,1.12fr) minmax(340px,.88fr);overflow:hidden}.login-identity{min-width:0;padding:clamp(42px,6vw,72px);position:relative;background:linear-gradient(145deg,#14233f,#245cbd);color:var(--sidebar-text);display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;gap:80px;overflow:hidden}.login-identity:after{width:320px;height:320px;border:70px solid rgba(255,255,255,.1);border-radius:50%;position:absolute;right:-170px;bottom:-160px;content:""}.login-identity .brand-mark{width:64px;height:64px;z-index:1}.eyebrow{margin-bottom:8px;color:var(--accent);font-size:10px;font-weight:800;line-height:1.4;text-transform:uppercase}.login-identity 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ease,transform .12s ease}.google-button:after{width:24px;content:""}.google-button:hover{border-color:var(--accent);background:var(--accent-soft);transform:translateY(-1px)}.google-mark{width:24px;height:24px;border:1px solid var(--line);border-radius:50%;background:#fff;color:var(--blue);display:grid;place-items:center;font-family:Arial,sans-serif;font-size:14px;font-weight:800}.login-footnote{margin:-2px 0 0;color:var(--subtle);font-size:11px;line-height:1.6;text-align:center}.login-legal-links{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--subtle);font-size:11px}.login-legal-links a{color:var(--muted);text-decoration:none}.login-legal-links a:hover{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.onboarding-page{min-height:100vh;padding:36px 20px;background:var(--bg);display:grid;place-items:center}.onboarding-panel{width:min(560px,100%);padding:42px;border:1px solid var(--line-strong);border-radius:24px;background:#fff;box-shadow:var(--shadow-raised)}.onboarding-brand{margin-bottom:38px;color:var(--subtle);display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:11px;font-weight:750}.onboarding-panel h1{margin-bottom:10px;font-size:30px;font-weight:800;line-height:1.25}.onboarding-panel>p:not(.eyebrow){margin-bottom:30px;color:var(--muted);font-size:14px;line-height:1.65}.profile-form{display:grid;gap:19px}.profile-form>label{min-width:0;color:var(--muted);display:grid;gap:7px;font-size:12px;font-weight:750}.emoji-picker{min-width:0;margin:0;padding:0;border:0}.emoji-picker legend{margin-bottom:9px;padding:0;color:var(--muted);font-size:12px;font-weight:750}.emoji-picker-scroll{max-height:244px;padding:10px;border:1px solid var(--line);border-radius:14px;background:#f7f9f8;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable}.emoji-category+.emoji-category{margin-top:13px;padding-top:12px;border-top:1px solid 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a{color:var(--muted);font-size:12px;font-weight:750;text-decoration:none}.legal-switcher a[aria-current=page]{color:var(--accent);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:5px}input,textarea,select{width:100%;border:1px solid var(--line-strong);border-radius:12px;background:#fff;color:var(--ink);transition:border-color .12s ease,box-shadow .12s ease,background .12s ease}input,select{min-height:44px;padding:0 12px}textarea{display:block;padding:12px 13px;resize:vertical;line-height:1.65}input:hover:not(:disabled),textarea:hover:not(:disabled),select:hover:not(:disabled){border-color:#9fb1cc}input:focus,textarea:focus,select:focus{background:#fff;box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 11%,transparent)}input::placeholder,textarea::placeholder{color:#707873}.button{min-height:44px;padding:0 17px;border:1px solid transparent;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;color:var(--ink);font-size:13px;font-weight:780;white-space:nowrap;transition:border-color .12s ease,background .12s ease,color .12s ease,transform .12s ease,box-shadow .12s ease}.button.primary{background:linear-gradient(120deg,var(--accent-dark),var(--accent));color:var(--accent-text, white);box-shadow:0 10px 24px color-mix(in srgb,var(--accent) 22%,transparent)}.button.primary:hover:not(:disabled){background:linear-gradient(120deg,color-mix(in srgb,var(--accent-dark) 88%,black),var(--accent-dark));transform:translateY(-1px);box-shadow:0 13px 28px color-mix(in srgb,var(--accent) 28%,transparent)}.button.secondary{border-color:var(--line-strong);background:#fff}.button.secondary:hover:not(:disabled){border-color:#9fb1cc;background:#f8faff}.button.ghost{background:transparent;color:var(--muted)}.button.ghost:hover:not(:disabled){background:var(--surface-soft);color:var(--ink)}.button.admin-entry{border-color:#c9d8ee;background:var(--blue-soft);color:#2e599d}.button.admin-entry:hover{background:#e3edfa}.icon-button{width:40px;height:40px;padding:0;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--muted);display:inline-grid;place-items:center;flex:none;transition:border-color .12s ease,background .12s ease,color .12s ease,transform .12s ease}.icon-button:hover:not(:disabled){border-color:var(--line-strong);color:var(--ink);background:var(--surface-soft)}.icon-button.danger:hover:not(:disabled){border-color:#e6b9b9;background:var(--red-soft);color:var(--red)}.app-shell{min-height:100vh;overflow-x:clip}.site-header{min-height:66px;padding:10px max(22px,env(safe-area-inset-left));position:sticky;top:0;z-index:40;border-bottom:1px solid rgba(210,219,232,.92);background:color-mix(in srgb,var(--surface) 92%,transparent);box-shadow:0 1px #ffffffc2;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);display:flex;align-items:center;justify-content:space-between;gap:18px}.brand-button{min-width:0;padding:2px 4px;border:0;border-radius:12px;background:transparent;color:var(--ink);display:flex;align-items:center;gap:11px;text-align:left}.brand-button:hover{background:var(--accent-soft)}.brand-copy{min-width:0}.brand-copy strong,.brand-copy small{display:block}.brand-copy strong{font-size:14px;font-weight:850;line-height:1.25}.brand-copy small{max-width:260px;margin-top:3px;color:var(--muted);font-size:10px;font-weight:700;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-actions{min-width:0;display:flex;align-items:center;justify-content:flex-end;gap:5px}.header-button,.header-profile-button{min-height:42px;padding:0 11px;border:1px solid transparent;border-radius:11px;background:transparent;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;gap:7px;font-size:11px;font-weight:800;white-space:nowrap}.header-button:hover,.header-profile-button:hover,.header-button.active,.header-profile-button.active{color:var(--accent);background:var(--accent-soft)}.header-button.active,.header-profile-button.active{border-color:color-mix(in srgb,var(--accent) 16%,var(--line))}.header-profile-button{padding-left:7px}.header-profile-button .user-avatar,.header-profile-button 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