:root {
  --bg: #0d1117;
  --bg-elev: #161b22;
  --fg: #e6edf3;
  --muted: #7d8590;
  --accent: #2f81f7;
  --accent-fg: #ffffff;
  --border: #30363d;
  --error-bg: rgba(248, 81, 73, 0.1);
  --error-fg: #ffa198;
  --error-border: #f85149;
  --ok-bg: rgba(46, 160, 67, 0.12);
  --ok-fg: #7ee787;
  --ok-border: #2ea043;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
    sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a { color: var(--accent); }
a:hover { text-decoration: underline; }

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: rgba(110, 118, 129, 0.2);
  padding: 0.05em 0.35em;
  border-radius: 4px;
}

.app { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 1.2rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
}
.topbar .brand {
  color: var(--fg);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.topbar .brand:hover { text-decoration: none; opacity: 0.85; }
.topbar nav { display: flex; gap: 1rem; }
.topbar nav a { color: var(--fg); text-decoration: none; font-weight: 500; }
.topbar nav a:hover { color: var(--accent); }
.topbar .right { margin-left: auto; display: flex; align-items: center; gap: 0.6rem; }
.topbar .right .user { color: var(--muted); font-size: 0.9rem; }
.topbar form.inline { margin: 0; display: inline; }

main { flex: 1; }

/* Landing (/) */
.hero {
  max-width: 540px;
  margin: 12vh auto 0;
  padding: 2rem;
  text-align: center;
}
.hero h1 { font-size: 2.25rem; margin: 0 0 0.5rem; letter-spacing: -0.02em; }
.lede { color: var(--muted); margin: 0 0 2rem; }

/* Admin container (/admin/*) */
.container {
  max-width: 960px;
  margin: 2rem auto;
  padding: 0 1.2rem 4rem;
}
.container > h1 { margin: 0 0 1.5rem; letter-spacing: -0.02em; }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem 1.25rem 1rem;
  margin-bottom: 2rem;
}
.card h2 { margin: 0 0 1rem; font-size: 1.1rem; }

label.field {
  display: block;
  margin-bottom: 0.9rem;
}
label.field > span {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.3rem;
}
input[type="text"],
textarea {
  width: 100%;
  background: #0d1117;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.55rem 0.7rem;
  font-family: inherit;
  font-size: 0.95rem;
}
input[type="text"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(47, 129, 247, 0.25);
}
textarea {
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88rem;
}

.btn {
  display: inline-block;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #21262d;
  color: var(--fg);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  font-family: inherit;
}
.btn:hover:not(:disabled) { background: #30363d; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
.btn-primary:hover:not(:disabled) { filter: brightness(1.1); background: var(--accent); }
.btn.small { padding: 0.3rem 0.65rem; font-size: 0.85rem; }
.btn.tiny { padding: 0.15rem 0.5rem; font-size: 0.78rem; }

.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.error {
  margin: 0.6rem 0;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--error-border);
  background: var(--error-bg);
  color: var(--error-fg);
  border-radius: 6px;
  font-size: 0.88rem;
}
.ok {
  margin: 0 0 1rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--ok-border);
  background: var(--ok-bg);
  color: var(--ok-fg);
  border-radius: 6px;
  font-size: 0.88rem;
}

.warning {
  margin: 0 0 0.8rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid #d29922;
  background: rgba(210, 153, 34, 0.12);
  color: #e3b341;
  border-radius: 6px;
  font-size: 0.88rem;
}

input.code {
  flex: 1;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9rem;
}

.new-token .row { flex-wrap: wrap; }

dl.meta {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.25rem 1rem;
  margin: 0 0 0.9rem;
  font-size: 0.92rem;
}
dl.meta dt { color: var(--muted); }
dl.meta dd { margin: 0; }

.ok-text { color: var(--ok-fg); }
.muted { color: var(--muted); }

ul.links { list-style: none; padding: 0; margin: 0; }
ul.links li { margin: 0.3rem 0; }

.badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  margin-left: 0.4rem;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-fg);
  font-size: 0.72rem;
  font-weight: 600;
  vertical-align: middle;
}

/* Tables */
table.pools,
table.tokens {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
table.pools th,
table.pools td,
table.tokens th,
table.tokens td {
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}
table.pools tr:last-child td,
table.tokens tr:last-child td { border-bottom: none; }
table.pools th,
table.tokens th {
  background: rgba(110, 118, 129, 0.1);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
table.pools td:nth-child(2),
table.pools td:nth-child(3),
table.pools td:nth-child(4) {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}
table.pools td:nth-child(5) { text-align: right; }

table.tokens td.val { font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace; }
table.tokens td.val code { background: transparent; padding: 0; }
table.tokens td.id { color: var(--muted); font-size: 0.85rem; }
table.tokens td.assigned { font-size: 0.88rem; }

tr.expand > td.expand-cell { background: var(--bg); padding: 1rem 1.25rem; }
.detail { display: flex; flex-direction: column; gap: 0.8rem; }
.add-form { margin: 0; }
.row { display: flex; gap: 0.4rem; align-items: center; }

form { margin: 0; }