:root{--ink: #1a1a18;--muted: #5c5a55;--paper: #f6f1e8;--card: #fffdf8;--line: #ddd6c8;--accent: #b54a2c}*{box-sizing:border-box}html,body{margin:0}body{font-family:ui-sans-serif,system-ui,sans-serif;color:var(--ink);background:var(--paper);line-height:1.5;min-height:100dvh}.c-wrap{max-width:430px;margin:0 auto;padding:16px 16px 32px}.c-steps{display:flex;gap:6px;margin-bottom:16px}.c-steps span{flex:1;text-align:center;font-size:11px;text-transform:uppercase;letter-spacing:.06em;padding:8px 0;border-radius:8px;background:#e8e0d4;color:var(--muted)}.c-steps span.on{background:var(--ink);color:#fff}.c-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px}.c-card h1{font-family:Georgia,Iowan Old Style,serif;font-size:1.35rem;margin:0 0 12px}.c-card p{margin:0 0 .9em}.kicker{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:4px!important}.orient-grammar{background:#efe8dc;border-radius:10px;padding:12px}.placeholder{color:var(--muted);font-style:italic}.outbound a{color:var(--accent)}.notice-sentence{font-family:Georgia,Iowan Old Style,serif;font-size:1.15rem}.choices{display:grid;gap:8px;margin:12px 0}.choices .choice{display:block;width:100%;text-align:left;padding:12px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:15px;cursor:pointer}.choices .choice.picked.ok{border-color:#2f6b4f;background:#e7f3ec}.choices .choice.picked.miss{border-color:var(--accent);background:#fbe9e4}.explain{color:var(--muted)}.chip{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:4px 12px;background:var(--card)}.chip.gap{border-color:#8a4b12;color:#8a4b12}.chip.held{border-color:#2f6b4f;color:#2f6b4f}.mark-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.mark-row button{border:1px solid var(--line);background:#fff;padding:8px 12px;border-radius:8px;cursor:pointer;font-size:14px}.c-nav{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}.c-nav button{flex:1;border:0;background:var(--ink);color:#fff;padding:12px;border-radius:10px;font-size:15px;cursor:pointer}.c-nav button.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}.c-nav button:disabled{opacity:.45;cursor:not-allowed}.lab-link{text-align:center;font-size:12px;color:var(--muted);margin:28px 0 0}.lab-link a{color:var(--muted)}@media(min-width:768px){.c-wrap{max-width:480px;padding-top:32px}}