:root{--blue:#145be4;--navy:#102c57;--ink:#172b46;--muted:#66778d;--border:#dfe7f2;--pale:#f3f7ff;--green:#178064;--red:#be3e4b;--radius:20px;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fbfcff;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}a{color:var(--blue);text-decoration:none}button,a,input,textarea{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible{outline:3px solid #85b0ff;outline-offset:4px}[hidden]{display:none!important}.topbar{height:100px;background:#fff;border-bottom:1px solid var(--border);padding:12px 5.3%;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:16px;color:var(--navy)}.brand img{width:78px;height:68px;object-fit:contain}.brand-copy{border-left:1px solid 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var(--border);border-radius:9px;background:#fff;color:var(--ink)}.pagination{display:flex;justify-content:space-between;align-items:center;margin-top:20px;font-size:12px}.detail-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:22px;align-items:start}.detail-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:11px;color:var(--muted);margin-bottom:24px}.detail-grid .message-content{max-width:83%}.detail-grid .result-hero{padding:24px}.detail-grid .score-large{font-size:43px}.detail-grid .result-hero h1{font-size:22px}.detail-grid .score-grid{grid-template-columns:1fr;gap:18px}.evidence{padding:13px 0;border-top:1px solid var(--border)}.evidence blockquote{margin:8px 0;font-size:13px;line-height:1.7;border-left:3px solid #cfdeff;padding-left:12px}.chart{width:100%;height:190px}.chart rect{fill:#5488ed}.chart text{font-size:10px;fill:#7b8ca4}.chart line{stroke:#e9eef6}.bar-list{display:grid;gap:13px}.bar-line{display:grid;grid-template-columns:minmax(100px,1fr) 1fr 25px;gap:13px;align-items:center;font-size:11px}.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.profile-grid dt{font-size:10px;text-transform:uppercase;letter-spacing:.7px;color:var(--muted)}.profile-grid dd{font-size:12px;line-height:1.7;margin:5px 0}.link-button{border:0;background:none;padding:0;color:var(--blue);font-size:12px}.summary-line{display:flex;justify-content:space-between;font-size:12px;padding:10px 0;border-bottom:1px solid var(--border);gap:20px}.summary-line strong{text-align:right}.result-transcript-toggle{font-size:13px;font-weight:600;cursor:pointer;padding:4px}.error-page{max-width:650px;margin:80px auto;padding:25px}.admin-back{font-size:12px;display:inline-block;margin-bottom:20px}
@media(max-width:1000px){.welcome{gap:40px;padding:50px 32px}.intro h1{font-size:44px}.topbar{padding-inline:30px}.detail-grid{grid-template-columns:1fr}.admin-wrap{padding-inline:24px}.management-link{display:none}}@media(max-width:720px){.topbar{height:83px;padding:10px 18px}.brand img{width:58px;height:54px}.brand{gap:10px}.brand-copy{padding-left:11px}.brand-copy strong{font-size:14px}.brand-copy small{font-size:8px;letter-spacing:1.2px}.status{font-size:10px}.header-right{gap:8px}.welcome{display:block;padding:35px 23px 40px;min-height:0}.intro h1{font-size:42px;letter-spacing:-1.8px;margin:20px 0 17px}.eyebrow{font-size:8px;letter-spacing:1.3px}.lead{font-size:14px;line-height:1.75}.steps{gap:16px;margin-top:24px}.intro-foot{margin:22px 0 30px}.start-card{padding:27px 23px;border-radius:19px}.site-footer{padding:18px 23px;font-size:9px;gap:15px}.chat-shell{height:calc(100dvh - 83px);border:0}.chat-top{padding:14px 16px}.chat-top .outline{font-size:10px;padding:10px 11px}.student-head strong{font-size:12px}.student-head small{font-size:10px}.messages{padding:24px 14px}.avatar{width:29px;height:29px;min-width:29px;border-radius:9px;font-size:11px}.message-row{gap:8px}.message-content{max-width:85%}.bubble{font-size:13px;padding:11px 13px}.composer-wrap{padding:12px 14px max(13px,env(safe-area-inset-bottom))}.composer-help{font-size:8px}.chat-empty{margin-top:12vh}.result-shell{padding:28px 17px}.result-hero{padding:24px;gap:12px}.result-hero h1{font-size:22px}.score-large{font-size:45px}.score-large small{font-size:12px}.score-grid,.two-col{grid-template-columns:1fr}.two-col{gap:0}.panel{padding:20px}.result-actions{align-items:flex-start;flex-direction:column}.admin-wrap{padding:22px 16px 50px}.stats{grid-template-columns:1fr 1fr;gap:12px}.stat{padding:18px}.stat strong{font-size:25px}.admin-title h1{font-size:24px}.readonly{font-size:9px;padding:7px 9px}.admin-nav{gap:0;margin-bottom:20px}.admin-nav a{font-size:11px;padding:10px 12px}.filters{flex-wrap:wrap}.filters input{max-width:none}.detail-grid{gap:0}.profile-grid{grid-template-columns:1fr}.header-right .text-link{font-size:11px}.dialog-actions{gap:8px}.dialog-actions button{padding:12px;font-size:11px}.brand-copy{max-width:170px}.score-label{font-size:11px}.login-shell{margin:35px auto}.notice{bottom:12px}.bar-line{grid-template-columns:110px 1fr 25px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important;transition:none!important}}
@media print{.topbar,.admin-nav,.filters,.site-footer,button,.result-actions,.notice{display:none!important}.result-shell,.admin-wrap{padding:0;max-width:none}.panel,.result-hero{break-inside:avoid}.result-hero{color:#172b46;background:#fff;border:1px solid #ccc}.result-hero p,.result-hero .card-tag,.score-large small{color:#66778d}.transcript{max-height:none}.detail-grid{display:block}.chart{height:180px}}