:root{--bg: #f7f7f5;--panel: #ffffff;--ink: #1f2328;--muted: #6b7280;--line: #e5e7eb;--accent: #2f6f4f;--accent-ink: #ffffff;--warn-bg: #fff7ed;--warn-line: #fdba74;--error-bg: #fef2f2;--error-line: #fca5a5;--ok-bg: #f0fdf4;--ok-line: #86efac;--info-bg: #eff6ff;--info-line: #93c5fd}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.container{max-width:880px;margin:0 auto;padding:0 20px}.muted{color:var(--muted)}.page{padding:24px 0 64px}h1{font-size:1.6rem;margin:0 0 8px}h2{font-size:1.2rem;margin:28px 0 10px}.nav{background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.nav-inner{display:flex;align-items:center;gap:20px;height:56px}.brand{font-weight:700;color:var(--accent)}.nav-links{display:flex;gap:6px;flex-wrap:wrap}.nav-link{padding:6px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-size:.95rem}.nav-link:hover{background:var(--bg)}.nav-link.active{background:var(--accent);color:var(--accent-ink)}.banner{padding:12px 14px;border-radius:10px;margin:16px 0;border:1px solid}.banner.warn{background:var(--warn-bg);border-color:var(--warn-line)}.banner.error{background:var(--error-bg);border-color:var(--error-line)}.banner.ok{background:var(--ok-bg);border-color:var(--ok-line)}.banner.info{background:var(--info-bg);border-color:var(--info-line)}.study-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.note-title-link{color:inherit;text-decoration:none}.note-title-link:hover{color:var(--accent)}.wikilink{color:var(--accent);text-decoration:none;border-bottom:1px solid color-mix(in srgb,var(--accent) 35%,transparent)}.wikilink:hover{border-bottom-style:solid;background:color-mix(in srgb,var(--accent) 8%,transparent)}.wikilink.missing{color:var(--muted);border-bottom:1px dotted var(--muted);cursor:help}.wiki-section{margin-top:22px;border-top:1px solid var(--line);padding-top:12px}.wiki-section h3{font-size:1.05rem;margin:0 0 8px}.wiki-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}.competency{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin:12px 0;overflow:hidden}.competency>summary{list-style:none;cursor:pointer;padding:16px 18px;display:flex;justify-content:space-between;align-items:baseline;gap:12px}.competency>summary::-webkit-details-marker{display:none}.comp-title{font-weight:650}.comp-meta{color:var(--muted);font-size:.85rem;white-space:nowrap}.competency-body{padding:4px 18px 18px;border-top:1px solid var(--line)}.note{padding:14px 0;border-bottom:1px solid var(--line)}.note:last-child{border-bottom:none}.note-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.note-head h3{margin:6px 0;font-size:1.05rem}.markdown h2{font-size:1.15rem}.markdown h3{font-size:1.02rem;margin:14px 0 6px}.markdown h4{font-size:.95rem;margin:12px 0 4px}.markdown ul{margin:6px 0 6px 1.1rem;padding:0}.markdown li{margin:3px 0}.markdown blockquote{margin:10px 0;padding:8px 12px;background:var(--bg);border-left:3px solid var(--accent);border-radius:4px;color:#374151}.markdown code{background:#eef1ee;padding:1px 5px;border-radius:4px;font-size:.9em}.skills-block{margin-top:14px}.skill-list{list-style:none;padding:0;margin:8px 0}.skill-list li{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px dashed var(--line);font-size:.95rem}button{font:inherit;padding:7px 14px;border-radius:8px;border:1px solid var(--line);background:var(--panel);cursor:pointer}button:hover{background:var(--bg)}button:disabled{opacity:.5;cursor:default}.read-btn{font-size:.85rem;padding:5px 10px;white-space:nowrap}.read-btn.done{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.danger{border-color:var(--error-line);color:#b91c1c}.row{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:16px 0}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center}.card-num{font-size:1.8rem;font-weight:700;color:var(--accent)}.card-label{font-size:.85rem;color:var(--muted)}.table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);font-size:.95rem;vertical-align:middle}.table th{background:var(--bg);font-weight:600}.bar{display:inline-block;width:140px;height:8px;background:var(--line);border-radius:99px;overflow:hidden;vertical-align:middle;margin-right:8px}.bar-fill{height:100%;background:var(--accent)}.problem-list{list-style:none;padding:0}.problem{padding:8px 12px;border-radius:8px;margin:6px 0;border:1px solid;font-size:.92rem}.problem.error{background:var(--error-bg);border-color:var(--error-line)}.problem.warn{background:var(--warn-bg);border-color:var(--warn-line)}.gate{min-height:100vh;display:grid;place-items:center;background:var(--bg)}.gate-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:28px;width:320px;text-align:center}.gate-card h1{font-size:1.25rem}.gate-card input{width:100%;padding:10px 12px;margin:12px 0;border:1px solid var(--line);border-radius:8px;font:inherit}.gate-card button{width:100%;background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.gate-error{color:#b91c1c;font-size:.9rem;margin-bottom:8px}.setup fieldset{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:14px 0;background:var(--panel)}.setup legend{font-weight:600;padding:0 6px}.setup label{display:block;margin:8px 0;cursor:pointer}.setup label input{margin-right:8px}.setup select{margin:4px 0 8px 24px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;font:inherit;max-width:100%}.pill{display:inline-flex!important;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--line);border-radius:99px;margin:0!important}button.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}.drill-head{display:flex;justify-content:space-between;margin:8px 0 12px}.question-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px}.stem{font-size:1.12rem;font-weight:550;margin:0 0 16px}.q-image img{max-width:100%;border-radius:8px}.q-image figcaption{font-size:.78rem;margin-top:4px}.options{display:flex;flex-direction:column;gap:10px}.option{display:flex;gap:12px;align-items:flex-start;text-align:left;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}.option:hover:not(:disabled){border-color:var(--accent);background:var(--bg)}.option:disabled{cursor:default}.option.correct{background:var(--ok-bg);border-color:var(--ok-line)}.option.wrong{background:var(--error-bg);border-color:var(--error-line)}.option.dim{opacity:.55}.opt-letter{font-weight:700;color:var(--accent);min-width:1.2em}.feedback{margin-top:16px;padding:12px 14px;border-radius:10px;border:1px solid}.feedback.correct{background:var(--ok-bg);border-color:var(--ok-line)}.feedback.wrong{background:var(--error-bg);border-color:var(--error-line)}.acc{font-weight:600;font-size:.9rem}.acc.strong{color:#15803d}.acc.ok{color:#b45309}.acc.weak{color:#b91c1c}.acc.muted{color:var(--muted)}.readiness{background:var(--panel);border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:12px;padding:16px 18px;margin:16px 0 12px}.readiness-label{font-size:1.3rem;font-weight:700;color:var(--accent)}.revisit{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:8px 0}.revisit-stem{font-weight:550;margin-bottom:4px}.option.selected{background:#e8f0eb;border-color:var(--accent)}.exam-bar{display:flex;justify-content:space-between;align-items:center;margin:8px 0 12px}.timer{font-variant-numeric:tabular-nums;font-weight:700;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:4px 12px}.timer.low{color:#b91c1c;border-color:var(--error-line);background:var(--error-bg)}.exam-q-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.flag{font-size:.8rem;padding:4px 10px;white-space:nowrap}.flag.on{background:var(--warn-bg);border-color:var(--warn-line)}.grid{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;margin:8px 0 4px}.grid-cell{padding:7px 0;border:1px solid var(--line);border-radius:6px;background:var(--panel);font-size:.85rem}.grid-cell.answered{background:#e8f0eb;border-color:var(--accent)}.grid-cell.flagged{box-shadow:inset 0 -3px 0 var(--warn-line)}.grid-cell.current{outline:2px solid var(--accent)}.band{border-radius:14px;padding:20px;text-align:center;border:1px solid;margin:12px 0}.band-strong{background:var(--ok-bg);border-color:var(--ok-line)}.band-ok{background:var(--warn-bg);border-color:var(--warn-line)}.band-weak{background:var(--error-bg);border-color:var(--error-line)}.band-score{font-size:2rem;font-weight:700}.band-label{font-size:1.05rem;font-weight:600}.review-item{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:8px 0}.review-stem{font-weight:550;margin-bottom:6px}.tag{display:inline-block;font-size:.82rem;padding:2px 8px;border-radius:6px;margin-bottom:4px}.tag.ok{background:var(--ok-bg);color:#15803d}.tag.bad{background:var(--error-bg);color:#b91c1c}.review-rationale{font-size:.92rem;color:#374151;margin-top:4px}@media (max-width: 620px){.grid{grid-template-columns:repeat(8,1fr)}}@media (max-width: 620px){.cards{grid-template-columns:repeat(2,1fr)}}