/* dapp/dex/public/niulai.css
 * NIULAI 统一视觉（P0 原型）—— 与发射台同源色板/组件。
 * 唯一口径见 docs/DEX-UX.md：用户只见「钱包 / 资产 / 兑换 / 充值 / 提取」。
 * 生产时本文件应与发射台的 styles.css 合并为同一份 niulai.css。
 */
:root {
  color-scheme: dark;
  --bg: #0d1117;
  --card: #161b22;
  --inset: #0d1117;
  --border: #30363d;
  --border2: #21262d;
  --fg: #e6edf3;
  --muted: #8b949e;
  --green: #238636;
  --green2: #2ea043;
  --blue: #58a6ff;
  --red: #f85149;
  --yellow: #d29922;
  --r: 12px;
  --rs: 8px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.hidden { display: none !important; }

.wrap { max-width: 520px; margin: 0 auto; padding: 20px 16px 64px; }

/* ===== 顶栏 ===== */
.head { display: flex; align-items: center; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.brand img { width: 34px; height: 34px; border-radius: 9px; display: block; }
.brand b { font-size: 16px; letter-spacing: .2px; }
.brand .sub { font-size: 11px; color: var(--muted); }

.nav { display: flex; gap: 4px; margin: 16px 0 14px; background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 4px; }
.nav a, .nav button {
  flex: 1; text-align: center; background: transparent; color: var(--muted); border: 0;
  border-radius: 7px; padding: 8px 10px; cursor: pointer; font-size: 14px; font-weight: 600;
}
.nav a:hover, .nav button:hover { background: var(--border2); color: var(--fg); text-decoration: none; }
.nav .on { background: var(--green); color: #fff; }

.wallet {
  display: flex; align-items: center; gap: 8px; flex: 0 0 auto;
}
.btn {
  border-radius: var(--rs); border: 1px solid var(--border); background: var(--border2);
  color: var(--fg); padding: 8px 14px; cursor: pointer; font-size: 13px; white-space: nowrap;
}
.btn:hover { background: var(--border); }
.btn.green { background: var(--green); border-color: var(--green2); color: #fff; }
.btn.green:hover { background: var(--green2); }
.btn.block { width: 100%; padding: 14px; font-size: 16px; font-weight: 700; }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.chip { font-size: 12px; padding: 4px 10px; border-radius: 999px; background: var(--border2); border: 1px solid var(--border); color: var(--muted); }
.chip.ok { color: var(--green2); border-color: rgba(46,160,67,.5); }

/* ===== 卡片 ===== */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 16px; }
.card + .card { margin-top: 14px; }
.card h2 { margin: 0 0 12px; font-size: 15px; font-weight: 700; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.card-head h2 { margin: 0; }

/* ===== 兑换盒 ===== */
.panel {
  background: var(--inset); border: 1px solid var(--border); border-radius: 10px; padding: 12px;
}
.panel .plabel { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.prow { display: flex; align-items: center; gap: 10px; }
.prow input {
  flex: 1; min-width: 0; background: transparent; border: 0; color: var(--fg);
  font-size: 26px; font-weight: 600; outline: none; padding: 2px 0;
}
.prow input::placeholder { color: #4d5763; }
.pmeta { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; font-size: 12px; color: var(--muted); }
.pmeta .max { color: var(--blue); cursor: pointer; font-weight: 600; }
.flip { display: flex; justify-content: center; margin: -8px 0; position: relative; z-index: 2; }
.flip button {
  width: 34px; height: 34px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--card); color: var(--fg); cursor: pointer; font-size: 15px;
}
.flip button:hover { background: var(--border); }

.tokbtn { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; background: var(--card);
  border: 1px solid var(--border); border-radius: 999px; padding: 6px 10px 6px 6px; cursor: pointer; color: var(--fg); }
.tokbtn:hover { background: var(--border2); }
.tokico { width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff; background: linear-gradient(135deg, #1f6feb, #238636); flex: 0 0 auto; }
.tokbtn b { font-size: 14px; }
.tokbtn .caret { color: var(--muted); font-size: 11px; }

.rate { margin: 12px 2px 4px; font-size: 13px; }
.rate .row { display: flex; justify-content: space-between; gap: 10px; padding: 2px 0; }
.rate .row span { color: var(--muted); }

/* ===== 我的 ===== */
.total { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
.total .big { font-size: 24px; font-weight: 700; }
.asset { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-top: 1px solid var(--border2); }
.asset:first-of-type { border-top: 0; }
.asset .ico { width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg,#1f6feb,#238636);
  display: flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; flex: 0 0 auto; }
.asset .info { flex: 1; min-width: 0; }
.asset .info b { display: block; font-size: 14px; }
.asset .info span { font-size: 12px; color: var(--muted); }
.asset .acts { display: flex; gap: 6px; flex: 0 0 auto; }
.asset .acts .btn { padding: 5px 10px; font-size: 12px; }

.safety { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); margin-top: 12px; }
.safety .ok { color: var(--green2); }

/* ===== 代币选择弹窗 ===== */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: flex; align-items: flex-start;
  justify-content: center; padding: 56px 16px; z-index: 50; }
.modal .sheet { width: 100%; max-width: 420px; background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 14px; }
.modal .sheet h3 { margin: 2px 0 10px; font-size: 15px; }
.modal input.search { width: 100%; background: var(--inset); border: 1px solid var(--border); border-radius: 8px;
  color: var(--fg); padding: 10px 12px; font-size: 14px; outline: none; }
.modal .list { margin-top: 10px; max-height: 320px; overflow: auto; }
.tokrow { display: flex; align-items: center; gap: 10px; padding: 10px 8px; border-radius: 8px; cursor: pointer; }
.tokrow:hover { background: var(--border2); }
.tokrow .info { flex: 1; min-width: 0; }
.tokrow .info b { display: block; font-size: 14px; }
.tokrow .info span { font-size: 12px; color: var(--muted); }
.tokrow .bal { font-size: 13px; color: var(--muted); }

/* ===== 提示条 ===== */
.banner { padding: 10px 12px; border-radius: 8px; font-size: 13px; margin-top: 12px;
  background: rgba(88,166,255,.1); border: 1px solid rgba(88,166,255,.35); color: var(--blue); }
.banner.warn { background: rgba(210,153,34,.12); border-color: rgba(210,153,34,.4); color: var(--yellow); }
.banner.err { background: rgba(248,81,73,.1); border-color: rgba(248,81,73,.4); color: var(--red); }

.foot { text-align: center; font-size: 12px; color: var(--muted); margin-top: 20px; }

@media (max-width: 480px) {
  .wrap { padding: 16px 12px 56px; }
  .brand .sub { display: none; }
  .prow input { font-size: 24px; }
}