:root {
  --bg: #0a0a0a; --card: #141414; --line: #262626; --fg: #f0f0f0;
  --muted: #8a8a8a; --dim: #5a5a5a; --accent: #f0f0f0; --ok: #34d399; --warn: #f0f0f0; --bad: #f87171;
  font-size: 14px;
}
.wordmark { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-weight: 600; letter-spacing: -0.5px; }
.wordmark .cursor { color: var(--dim); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
* { box-sizing: border-box; margin: 0; }
body { background: var(--bg); color: var(--fg); font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; }
.hidden { display: none !important; }

/* auth */
.auth-wrap { display: flex; justify-content: center; padding-top: 12vh; }
.auth-card { width: 440px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 36px; }
.auth-card h1 { font-size: 20px; margin-bottom: 16px; }
.auth-card .sub { color: var(--muted); font-size: 13px; font-weight: normal; }
.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab { flex: 1; padding: 7px 0; background: transparent; color: var(--muted); border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
.tab.active { color: var(--fg); border-color: var(--fg); }
form { display: flex; flex-direction: column; gap: 10px; }
input { background: #0c0c0c; border: 1px solid var(--line); color: var(--fg); border-radius: 8px; padding: 9px 12px; }
input:focus { outline: none; border-color: var(--fg); }
button { border: none; border-radius: 8px; cursor: pointer; padding: 9px 14px; color: var(--fg); background: #262a36; }
button.primary { background: var(--fg); color: var(--bg); border-color: var(--fg); font-weight: 600; }
button.ghost-btn { background: transparent; border: 1px solid var(--line); text-decoration: none; color: var(--fg); padding: 6px 12px; border-radius: 8px; }
button.sm { padding: 6px 10px; font-size: 13px; }
.msg { min-height: 18px; color: var(--bad); font-size: 13px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 10px; }
.hint a { color: var(--muted); border-bottom: 1px solid var(--line); }

/* console */
header { display: flex; align-items: center; gap: 12px; padding: 12px 20px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--bg); z-index: 5; }
.logo { font-weight: 600; }
.me { color: var(--muted); flex: 1; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 20px 28px; max-width: 1480px; margin: 0 auto; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.card.wide { grid-column: span 2; }
.card h2 { font-size: 14px; color: var(--muted); font-weight: 600; margin-bottom: 12px; }
.big-status { font-size: 18px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--muted); }
.dot.on { background: var(--ok); box-shadow: 0 0 10px var(--ok); }
.dot.off { background: var(--bad); }
.kv { display: flex; justify-content: space-between; padding: 6px 0; border-top: 1px solid var(--line); font-size: 13px; }
.kv span { color: var(--muted); }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.stat { text-align: center; padding: 12px 0; background: #0c0c0c; border-radius: 10px; }
.stat b { display: block; font-size: 20px; font-family: ui-monospace, Menlo, monospace; }
.stat span { color: var(--muted); font-size: 12px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; color: var(--muted); font-weight: 500; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.tbl td { padding: 7px 8px; border-bottom: 1px solid var(--line); }
.tbl tr:last-child td { border-bottom: none; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 12px; }
.badge.on { background: rgba(52,201,142,.15); color: var(--ok); }
.badge.off { background: rgba(239,100,97,.15); color: var(--bad); }
.badge.warn { background: rgba(240,162,75,.15); color: var(--warn); }
.row { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.row input { width: 150px; }
.code-out { background: #0c0c0c; border: 1px dashed var(--dim); border-radius: 8px; padding: 10px 12px; margin: 8px 0; font-family: ui-monospace, Menlo, monospace; font-size: 14px; word-break: break-all; color: var(--fg); font-family: ui-monospace, Menlo, monospace; }
.code-text { font-family: ui-monospace, Menlo, monospace; color: var(--fg); cursor: pointer; border-bottom: 1px dashed var(--dim); }
.code-text:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.models-row { align-items: center; }
.model-chip { display: inline-flex; align-items: center; gap: 4px; background: #0c0c0c; border: 1px solid var(--line); border-radius: 99px; padding: 3px 10px; font-size: 12px; cursor: pointer; user-select: none; }
.model-chip input { width: auto; margin: 0; accent-color: var(--accent); }

/* redeem */
.redeem-wrap { display: flex; justify-content: center; padding-top: 10vh; }
.redeem-card { width: 860px; max-width: 94vw; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 44px 52px; }
.redeem-card h1 { font-size: 20px; margin-bottom: 6px; }
.redeem-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.redeem-result { margin-top: 18px; }
.kvline { display: flex; justify-content: space-between; align-items: center; padding: 9px 12px; background: #0c0c0c; border-radius: 8px; margin-bottom: 8px; font-size: 13px; }
.kvline b { font-family: ui-monospace, Menlo, monospace; color: var(--fg); word-break: break-all; text-align: right; }
.copy { font-size: 12px; color: var(--accent); cursor: pointer; user-select: none; }
pre { background: #0c0c0c; border-radius: 8px; padding: 12px; font-size: 12px; overflow-x: auto; margin-top: 8px; color: #a8b3cf; }
@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } .card.wide { grid-column: span 1; } }