:root{color-scheme:light;--ink:#152b49;--muted:#65768d;--line:#dce4ee;--paper:#fff;--bg:#f3f6fa;--red:#db1931;--green:#128052;font-family:Arial,Helvetica,sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.5}a{color:#165baa}button,input,select,textarea{font:inherit}button,.button{border:1px solid var(--line);border-radius:10px;background:white;color:var(--ink);padding:11px 17px;cursor:pointer;font-weight:600;min-height:46px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}button:hover,.button:hover{background:#eaf0f8}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #7ba9eb;outline-offset:3px}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--red);color:white;border-color:var(--red)}.primary:hover{background:#b81027}.approve{background:var(--green);color:white;border-color:var(--green)}.approve:hover{background:#09633f}.danger{color:#ae1a2d}h1{font-size:clamp(26px,4vw,36px);line-height:1.2;margin:0 0 14px}h2{font-size:23px;line-height:1.25;margin:0 0 16px}h3{font-size:18px;margin:0 0 10px}p{margin:0 0 15px}.muted{color:var(--muted)}.topbar{background:#17293f;color:white;padding:18px max(24px,calc((100vw - 1200px)/2));display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{font-weight:800;letter-spacing:.04em;color:inherit;text-decoration:none}.brand small{display:block;font-weight:400;letter-spacing:0;color:#bdcce0;font-size:13px}.page{max-width:1200px;margin:32px auto;padding:0 24px}.auth{max-width:520px;margin:50px auto;padding:0 18px}.card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:26px;margin-bottom:20px}.intro{margin-bottom:24px}.eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:12px;font-weight:700;color:var(--red);margin-bottom:10px}.field{display:block;margin:0 0 18px;font-size:15px;font-weight:600}.field input,.field select,.field textarea{display:block;width:100%;margin-top:7px;border:1px solid #bdcadd;border-radius:9px;padding:11px 13px;background:white;color:var(--ink);min-height:46px;font-weight:400}.field textarea{resize:vertical;min-height:88px}.hint{display:block;font-size:13px;font-weight:400;color:var(--muted);margin-top:6px}.actions{display:flex;flex-wrap:wrap;gap:9px;align-items:center}.spread{justify-content:space-between}.full{width:100%}.notice{background:#eef4fc;border:1px solid #cfdef1;border-radius:10px;padding:14px 16px;margin:16px 0;white-space:pre-wrap;overflow-wrap:anywhere}.notice.error{background:#fff1f0;border-color:#f2cdcd;color:#a41d2b}.notice.success{background:#eaf8f0;border-color:#bbe1ca;color:#17633c}.badge{display:inline-block;padding:5px 10px;border-radius:7px;background:#eaf0f8;font-size:13px;white-space:normal}.badge.approved{background:#e5f5ec;color:#12623d}.badge.pending{background:#fff3d8;color:#78520b}.badge.rejected,.badge.suspended{background:#fff0ee;color:#a3242b}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.student-card{padding:20px;border:1px solid var(--line);border-radius:12px;background:white;overflow-wrap:anywhere}.student-card .meta{color:var(--muted);font-size:14px;margin:10px 0}.detail{margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}.filters{max-width:350px}.login-number{font-size:26px;font-weight:700;letter-spacing:.03em}.history{padding-left:20px;font-size:14px}.empty{padding:36px;text-align:center;color:var(--muted)}[hidden]{display:none!important}.footer{color:var(--muted);font-size:13px;margin:24px 0}.waiting{border-left:4px solid #d39422}.course-placeholder{border:1px dashed #bdcadd;background:transparent}.subtitle{max-width:720px}.toolbar{margin-bottom:24px}.sr-only{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}@media(max-width:650px){.topbar{padding:15px 18px}.page{padding:0 16px;margin-top:24px}.auth{margin-top:26px}.card{padding:20px}.grid{grid-template-columns:1fr}.actions>button{flex:1 1 auto}.topbar button{padding:8px 12px;font-size:14px}.student-card{padding:17px}h1{font-size:28px}}
.chapter-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px}.chapter-card{padding:20px;border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;gap:12px}.chapter-card h3{flex:1;margin:0}.chapter-card .badge{align-self:flex-start}.state-passed{background:#e5f5ec;color:#12623d}.state-needs_revision,.state-technical_error{background:#fff0ee;color:#a3242b}.state-awaiting_mentor{background:#fff3d8;color:#78520b}.workspace-dialog{width:100vw;max-width:none;height:100dvh;max-height:none;border:0;margin:0;padding:0;background:var(--bg);color:var(--ink)}.workspace-dialog::backdrop{background:#14293faa}.dialog-bar{position:sticky;top:0;z-index:2;padding:16px 24px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px}.dialog-bar h2{margin:0;font-size:20px}.dialog-body{max-width:1040px;margin:auto;padding:28px 24px}.preserve{white-space:pre-wrap;overflow-wrap:anywhere}.quiz fieldset{border:0;border-bottom:1px solid var(--line);margin:0 0 24px;padding:0 0 20px}.quiz legend{font-weight:700;margin-bottom:12px}.choice{display:flex;align-items:flex-start;gap:10px;padding:12px;border:1px solid var(--line);border-radius:9px;margin:8px 0;cursor:pointer}.choice input{margin-top:5px;flex-shrink:0}.submission{padding:20px 0;border-bottom:1px solid var(--line)}.submission .badge{margin-bottom:12px}.submission .meta{font-size:13px;color:var(--muted)}.check{border-left:3px solid var(--line);padding:10px 16px;margin:16px 0}.error-text{color:#a3242b}.calendar{margin:16px 0;padding:16px;background:#f3f6fa;border-radius:12px}.calendar-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:18px 0}.calendar-grid p{margin:0;font-size:14px}summary{cursor:pointer;font-weight:600}.course-placeholder{border:1px solid var(--line);background:white}.mentor-chapter{border:1px solid var(--line);border-radius:12px;padding:18px;margin:16px 0;background:white}.mentor-chapter summary{display:flex;justify-content:space-between;align-items:center;gap:12px}.review-form{margin-top:18px;padding:16px;background:#f3f6fa;border-radius:12px}@media(max-width:650px){.chapter-grid{grid-template-columns:1fr}.calendar-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dialog-bar{padding:12px 16px}.dialog-body{padding:24px 16px}.mentor-chapter summary{align-items:flex-start;flex-direction:column}.chapter-card{padding:18px}}

.evidence-fields{margin:0;overflow-wrap:anywhere}.evidence-fields dt{font-weight:700;margin-top:10px}.evidence-fields dd{margin:2px 0 8px 12px}.evidence-record{border-bottom:1px solid var(--line);padding:12px 0}.evidence-image{max-width:100%;height:auto;display:block}figure.card{margin:16px 0}