:root{--bg:#f7f4ef;--surface:#fff;--surface2:#efeae2;--border:#e7e1d8;--text:#221d17;--muted:#968d80;--primary:#c4542d;--primary-press:#a94724;--primary-soft:#f6e7de;--on-primary:#fff}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,sans-serif;font-size:15px}#root{max-width:560px;min-height:100vh;margin:0 auto;padding:16px}.card{background:var(--surface);border-radius:16px;margin-bottom:14px;padding:18px}.btn{background:var(--primary);width:100%;color:var(--on-primary);cursor:pointer;border:none;border-radius:999px;padding:13px;font-size:16px;font-weight:600;display:block}.btn:active{background:var(--primary-press)}.btn:disabled{opacity:.5}.btn-small{width:auto;padding:7px 18px;font-size:14px;display:inline-block}.btn-ghost{background:var(--primary-soft);color:var(--primary)}.input{border:none;border-bottom:1px solid var(--border);background:0 0;outline:none;width:100%;padding:10px 2px;font-size:16px}.input::placeholder{color:var(--muted)}.title{font-size:22px;font-weight:700}.section{margin:18px 4px 10px;font-size:15px;font-weight:700}.muted{color:var(--muted);font-size:13px}.row{justify-content:space-between;align-items:center;padding:13px 0;display:flex}.row+.row{border-top:1px solid var(--border)}.brand{text-align:center;padding:28px 0 8px}.brand-mark{background:var(--primary);width:56px;height:56px;color:var(--on-primary);border-radius:14px;justify-content:center;align-items:center;font-size:30px;font-weight:700;display:inline-flex}