:root{--navy: #0b1f3a;--ink: #111417;--muted: #4a5460;--paper: #ffffff;--bg: #eef1f5;--line: #cfd6df;--safety: #d7380f;--safety-bg: #fff1ec;--schedule: #0a5fb4;--schedule-bg: #ebf3fc;--ok: #1a7f37;--ok-bg: #e8f5ec;--radius: 14px;color-scheme:light}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:20px;line-height:1.4;-webkit-text-size-adjust:100%}.app{min-height:100dvh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:2;background:var(--navy);color:#fff;padding:calc(env(safe-area-inset-top) + 14px) 18px 14px;display:flex;align-items:center;justify-content:space-between}.topbar h1{margin:0;font-size:26px;font-weight:800;letter-spacing:.3px}.crew-tag{font-size:17px;font-weight:600;background:#ffffff29;padding:6px 12px;border-radius:999px}.install{margin:14px 14px 0;padding:16px;background:#fff8dc;border:2px solid #e9c46a;border-radius:var(--radius)}.install p{margin:0 0 12px;font-size:19px}.feed{flex:1;padding:14px 14px calc(env(safe-area-inset-bottom) + 32px);display:flex;flex-direction:column;gap:14px;max-width:640px;width:100%;margin:0 auto}.sample-note{margin:0;text-align:center;color:var(--muted);font-size:16px}.divider{border:0;border-top:2px dashed var(--line);margin:6px 0}.post{background:var(--paper);border:2px solid var(--line);border-left-width:10px;border-radius:var(--radius);padding:16px 18px}.post-safety{border-color:var(--safety);background:var(--safety-bg)}.post-schedule{border-color:var(--schedule);background:var(--schedule-bg)}.post-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:15px;font-weight:800;letter-spacing:.8px}.post-kind{color:var(--muted)}.post-safety .post-kind{color:var(--safety)}.post-schedule .post-kind{color:var(--schedule)}.post-pin{font-weight:600;letter-spacing:0;color:var(--muted)}.post-text{margin:0 0 10px;font-size:22px;font-weight:500}.post-safety .post-text{font-weight:700}.post-meta{color:var(--muted);font-size:16px}.big-btn,.confirm-btn{display:block;width:100%;min-height:60px;margin-top:12px;border:0;border-radius:12px;font:inherit;font-size:21px;font-weight:800;color:#fff;background:var(--navy);cursor:pointer}.confirm-btn{background:var(--safety)}.confirm-btn.is-confirmed{background:var(--ok-bg);color:var(--ok);border:3px solid var(--ok)}.big-btn:active,.confirm-btn:active{filter:brightness(.9)}.link-btn{display:block;margin:10px auto 0;background:none;border:0;font:inherit;font-size:17px;color:var(--muted);text-decoration:underline;padding:8px 12px;cursor:pointer}