:root {
  --bg: #0b1020;
  --bg-2: #111831;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.09);
  --text: #e8ecf6;
  --muted: #9aa4bf;
  --subtle: #6f7a96;
  --accent: #34d399;
  --accent-2: #10b981;
  --danger: #f87171;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

/* Solid base on <html> so long pages never show an unpainted band below the gradient. */
html { background: var(--bg-2); }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background:
    radial-gradient(900px 500px at -10% -10%, rgba(52, 211, 153, 0.16), transparent 60%),
    radial-gradient(800px 500px at 110% 10%, rgba(139, 92, 246, 0.14), transparent 60%),
    linear-gradient(180deg, var(--bg) 0, var(--bg-2) 900px);
  background-color: var(--bg-2);
  background-repeat: no-repeat;
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
}

a { color: inherit; }
[hidden] { display: none !important; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.muted { color: var(--muted); }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding-inline: 16px; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11, 16, 32, 0.75);
  border-bottom: 1px solid var(--card-border);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; text-decoration: none; letter-spacing: 0.2px; }
.topbar-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.lang { display: inline-flex; border: 1px solid var(--card-border); border-radius: 999px; overflow: hidden; }
.lang button { background: transparent; color: var(--muted); border: 0; padding: 6px 12px; font: inherit; font-size: 13px; cursor: pointer; }
.lang button.active { background: rgba(52, 211, 153, 0.18); color: var(--text); }

.wallet-pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border: 1px solid var(--card-border); border-radius: 999px; font-size: 13px; }
.wallet-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border-radius: 10px; border: 1px solid transparent;
  padding: 10px 16px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
  transition: filter 0.15s, opacity 0.15s;
}
.btn:hover:not(:disabled) { filter: brightness(1.1); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--accent); color: #062017; }
.btn-ghost { background: rgba(255, 255, 255, 0.05); color: var(--text); border-color: var(--card-border); }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn-block { width: 100%; margin-top: 10px; }
.link-btn { background: none; border: 0; padding: 0; color: var(--muted); font: inherit; font-size: 13px; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.link-btn:hover { color: var(--text); }

/* Layout */
main { padding-block: 24px 48px; }
.hero h1 { margin: 8px 0 6px; font-size: clamp(26px, 4vw, 36px); }
.hero p { margin: 0 0 20px; color: var(--muted); max-width: 720px; }

.card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 18px; }
.card h2 { margin: 0 0 14px; font-size: 16px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-bottom: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.col-side { display: grid; gap: 16px; }

.stat .label, .metric .label, .panel .label { color: var(--subtle); font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px; display: block; }
.stat .value { font-size: 26px; font-weight: 700; margin-top: 4px; }
.stat .sub, .metric .sub { color: var(--muted); font-size: 13px; margin-top: 4px; }
.accent { border-color: rgba(52, 211, 153, 0.35); box-shadow: inset 0 0 0 1px rgba(52, 211, 153, 0.08); }

.metric { background: rgba(255, 255, 255, 0.03); border: 1px solid var(--card-border); border-radius: 12px; padding: 14px; min-width: 0; }
.metric .value { font-size: 20px; font-weight: 700; margin: 4px 0; word-break: break-word; }
.row { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }

.forms { margin-top: 14px; }
.panel { background: rgba(255, 255, 255, 0.03); border: 1px solid var(--card-border); border-radius: 12px; padding: 14px; margin: 0; }
.input-row { display: flex; gap: 8px; margin-top: 8px; }
.input-row input {
  flex: 1; min-width: 0; background: rgba(0, 0, 0, 0.25); color: var(--text);
  border: 1px solid var(--card-border); border-radius: 10px; padding: 10px 12px; font: inherit; font-size: 16px; outline: none;
}
.input-row input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.2); }
.hint { color: var(--muted); font-size: 12.5px; margin: 8px 0 0; }

.rules { margin: 0; padding-left: 18px; color: var(--muted); font-size: 13.5px; display: grid; gap: 6px; }
.contracts { margin: 0; font-size: 13px; }
.contracts dt { color: var(--subtle); margin-top: 8px; }
.contracts dd { margin: 2px 0 0; word-break: break-all; }
.contracts a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(255, 255, 255, 0.25); }

.banner {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  border: 1px solid rgba(251, 191, 36, 0.4); background: rgba(251, 191, 36, 0.1);
  border-radius: 12px; padding: 12px 14px; margin-bottom: 16px; font-size: 14px;
}
#no-wallet { margin-bottom: 16px; }
#no-wallet p { margin: 0 0 12px; }
.wallet-links { display: flex; gap: 8px; flex-wrap: wrap; }

.footer { color: var(--subtle); font-size: 12.5px; padding-block: 0 32px; }

/* Toasts */
.toasts { position: fixed; right: 16px; bottom: 16px; display: grid; gap: 8px; z-index: 50; max-width: min(380px, calc(100vw - 32px)); }
.toast { background: #1a2340; border: 1px solid var(--card-border); border-left: 4px solid var(--muted); border-radius: 10px; padding: 10px 14px; font-size: 14px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35); }
.toast-success { border-left-color: var(--accent); }
.toast-error { border-left-color: var(--danger); }
.toast-info { border-left-color: #60a5fa; }

@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .grid-3 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .grid-2 { grid-template-columns: minmax(0, 1fr); }
  .stat .value { font-size: 22px; }
  .brand span { font-size: 15px; }
}

/* Nav */
.nav { display: flex; gap: 4px; margin-right: auto; margin-left: 12px; }
.nav a { color: var(--muted); text-decoration: none; padding: 6px 12px; border-radius: 8px; font-weight: 600; font-size: 14px; }
.nav a:hover { color: var(--text); }
.nav a.active { color: var(--text); background: rgba(255, 255, 255, 0.07); }

/* Register page */
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card-head h2 { margin: 0; }
.badge { font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--card-border); color: var(--muted); white-space: nowrap; }
.badge-ok { color: #062017; background: var(--accent); border-color: transparent; }
.badge-warn { color: #fbbf24; border-color: rgba(251, 191, 36, 0.45); }
.metric .value-sm { font-size: 15px; }
.ref-panel { margin: 12px 0 4px; }
.ref-panel input { font-size: 14px; }
#member-card > .btn-block { margin-top: 12px; }
.hint-ok { color: var(--accent); }
.hint-err { color: var(--danger); }

@media (max-width: 560px) {
  .topbar-inner { padding-block: 8px; }
  .nav { order: 3; width: 100%; margin: 0; }
  .nav a { flex: 1; text-align: center; }
}
