:root{--blue:#0d6efd;--blue-dark:#0a58ca;--green:#198754;--red:#dc3545;--amber:#b8860b;--bg:#f2f4f7;--card:#fff;--text:#1d2433;--muted:#6b7280;--border:#e5e7eb}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.wrap{max-width:480px;padding:16px 16px calc(24px + env(safe-area-inset-bottom));margin:0 auto}.card{background:var(--card);border-radius:16px;margin-bottom:12px;padding:16px;box-shadow:0 1px 3px #10182814}.muted{color:var(--muted)}.small{font-size:.85rem}.btn{cursor:pointer;border:0;border-radius:14px;width:100%;padding:14px;font-size:1rem;font-weight:600;display:block}.btn:disabled{opacity:.6}.btn-primary{background:var(--blue);color:#fff}.btn-light{color:var(--text);background:#eef1f5}input,textarea{border:1px solid var(--border);border-radius:12px;width:100%;padding:12px;font-family:inherit;font-size:1rem}label{margin:10px 0 6px;font-size:.85rem;font-weight:600;display:block}.alert{border-radius:12px;margin-bottom:12px;padding:10px 12px;font-size:.9rem}.alert-error{color:#842029;background:#fdecee}.alert-ok{color:#0f5132;background:#e7f5ee}