:root {
  --bg: #0f1117;
  --surface: #171a23;
  --surface-2: #1f2330;
  --border: #2a2f3d;
  --text: #e6e9ef;
  --muted: #8b93a7;
  --primary: #6366f1;
  --primary-hover: #7c7ff5;
  --danger: #ef4444;
  --success: #22c55e;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }

a { color: var(--primary-hover); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Topbar */
.topbar { border-bottom: 1px solid var(--border); background: var(--surface); position: sticky; top: 0; z-index: 10; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 700; font-size: 1.25rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.nav { display: flex; align-items: center; gap: 18px; }
.nav a { color: var(--muted); font-size: .95rem; }
.nav a:hover { color: var(--text); text-decoration: none; }
.nav-user { color: var(--muted); font-size: .85rem; }
.inline { display: inline; margin: 0; }

/* Layout blocks */
main.container { padding-top: 28px; padding-bottom: 60px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head h1 { margin: 6px 0 4px; font-size: 1.6rem; }
h2 { font-size: 1.15rem; margin-top: 0; }
h3 { font-size: 1rem; margin-top: 0; color: var(--text); }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-bottom: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 20px; }
@media (max-width: 820px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* Stat pills */
.stat-pills { display: flex; gap: 10px; flex-wrap: wrap; }
.pill { background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px; font-size: .9rem; color: var(--muted); }
.pill strong { color: var(--text); }
.pill.big { font-size: 1.05rem; padding: 10px 18px; }

/* Forms */
label { display: block; margin-bottom: 14px; font-size: .9rem; color: var(--muted); }
input[type=text], input[type=email], input[type=password], input[type=url] {
  width: 100%; margin-top: 6px; padding: 10px 12px; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: .95rem;
}
input:focus { outline: none; border-color: var(--primary); }

.shorten-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.shorten-form input { flex: 1; min-width: 180px; margin-top: 0; }
.shorten-form input[name=long_url] { flex: 3; min-width: 260px; }

/* Buttons */
.btn { display: inline-block; border: 1px solid transparent; border-radius: 8px; padding: 10px 16px; font-size: .9rem; cursor: pointer; font-weight: 500; }
.btn-sm { padding: 6px 10px; font-size: .82rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); text-decoration: none; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--muted); }
.btn-ghost:hover { color: var(--text); border-color: var(--muted); text-decoration: none; }
.btn-ghost.danger:hover { color: var(--danger); border-color: var(--danger); }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 18px; font-size: .92rem; }
.alert-error { background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.4); color: #fca5a5; }
.alert-success { background: rgba(34,197,94,.1); border: 1px solid rgba(34,197,94,.4); color: #86efac; }

/* Auth card */
.auth-card { max-width: 400px; margin: 40px auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.auth-card.center { text-align: center; }
.auth-card h1 { margin-top: 0; font-size: 1.5rem; }

/* Tables */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table th { color: var(--muted); font-weight: 500; font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; }
.table th.num, .table td.num { text-align: right; }
.row-actions { display: flex; gap: 8px; white-space: nowrap; }
.row-muted { opacity: .5; }

.truncate { max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Misc */
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.copy-btn { background: transparent; border: none; color: var(--muted); cursor: pointer; font-size: .95rem; padding: 2px 4px; }
.copy-btn:hover { color: var(--primary-hover); }
.tag { font-size: .75rem; padding: 3px 8px; border-radius: 999px; }
.tag-on { background: rgba(34,197,94,.15); color: #86efac; }
.tag-off { background: rgba(239,68,68,.12); color: #fca5a5; }
.key-reveal { display: flex; align-items: center; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.key-reveal code { background: var(--surface-2); padding: 8px 12px; border-radius: 6px; word-break: break-all; }

canvas { max-height: 260px; }

/* Prose (docs) */
.prose { line-height: 1.7; }
.prose h2 { margin-top: 28px; }
.prose pre { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 14px; overflow-x: auto; }
.prose code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .88rem; }
.prose pre code { color: #cbd5e1; }

.site-footer { border-top: 1px solid var(--border); padding: 24px 0; color: var(--muted); font-size: .85rem; }
.site-footer .container { display: flex; justify-content: space-between; }