:root{--teal:#087c8e;--teal-dark:#056978;--teal-soft:#b6dce2;--ink:#1f2b37;--muted:#62717f;--line:#d8dde2;--paper:#fff;--stage:#e6e6e6;--panel:#f8fafb;--focus:#0b8294;--danger:#b42318;color:var(--ink);background:var(--stage);font-family:Arial,Helvetica,sans-serif}*{box-sizing:border-box}body{background:var(--stage);min-width:320px;min-height:100vh;margin:0}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:default}.top-chrome{background:var(--teal);color:#fff;border-top:2px solid #e5f3f5;grid-template-columns:minmax(240px,1fr) auto minmax(240px,1fr);align-items:center;gap:20px;height:60px;padding:0 8px;display:grid}.top-chrome h1{letter-spacing:0;white-space:nowrap;margin:0;font-size:27px;font-weight:700;line-height:1}.candidate-block{align-items:center;gap:12px;min-width:0;display:flex}.candidate-kicker{font-size:13px;font-weight:700;line-height:1.1}.candidate-id{font-size:20px;font-weight:700;line-height:1.05}.logo-mark{border:7px solid 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print{.top-chrome,.editor-toolbar,.material-panel,.status-strip{display:none!important}.exam-screen,.exam-workspace,.paper-stage{background:#fff;height:auto;overflow:visible}.answer-page{width:auto;min-height:auto;box-shadow:none;padding:0}}.top-link{color:#fff;background:0 0;border:1px solid #ffffffa6;border-radius:6px;height:34px;padding:0 10px;font-weight:700}.auth-shell{place-items:center;min-height:100vh;padding:20px;display:grid}.auth-card{background:#fff;border:1px solid #d8dde2;border-radius:8px;gap:12px;width:min(520px,100%);padding:20px;display:grid}.auth-card label{gap:6px;font-weight:700;display:grid}.auth-card input,.auth-card select{border:1px solid #cfd7df;border-radius:6px;height:38px;padding:0 10px}.auth-card button{background:var(--teal);color:#fff;border:0;border-radius:6px;height:38px;font-weight:700}.auth-error{color:var(--danger);font-weight:700}.auth-info{color:var(--teal-dark);font-weight:700}.auth-actions{gap:8px;display:flex}