:root {
  --bg: #0f1115;
  --surface: #181b22;
  --surface-2: #20242d;
  --border: #2a2f3a;
  --text: #e7e9ee;
  --text-dim: #9aa3b2;
  --accent: #7c5cff;
  --accent-dim: #5d44c4;
  --danger: #e5484d;
  --radius: 10px;
  --gap: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
.brand span { color: var(--accent); }
.topbar nav { display: flex; align-items: center; gap: 18px; }

.container { max-width: 1040px; margin: 0 auto; padding: 32px 24px 64px; }

.hero { margin-bottom: 28px; }
.hero h1 { font-size: 28px; margin: 0 0 8px; }
.hero p { color: var(--text-dim); margin: 0 0 18px; max-width: 60ch; }

.searchbar { display: flex; gap: 10px; }
.searchbar input {
  flex: 1; padding: 10px 14px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.filter-note { color: var(--text-dim); margin-top: 12px; }

.card-grid {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: var(--gap);
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; gap: 8px;
}
.card-title { font-size: 17px; font-weight: 600; color: var(--text); }
.card-url { color: var(--text-dim); font-size: 13px; word-break: break-all; margin: 0; }
.card-desc { color: var(--text-dim); font-size: 14px; margin: 0; }
.card .btn-block { margin-top: auto; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: 12px; padding: 2px 9px; border-radius: 999px;
  background: var(--surface-2); color: var(--text-dim); border: 1px solid var(--border);
}

.btn {
  display: inline-block; padding: 9px 16px; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
  font-size: 14px; cursor: pointer; text-align: center;
}
.btn:hover { text-decoration: none; border-color: var(--accent-dim); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dim); }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-block { width: 100%; }
.btn-lg { padding: 12px 22px; font-size: 16px; }

.btn-provider { display: block; text-align: center; padding: 11px 16px; font-weight: 600; }
.btn-provider:hover { text-decoration: none; }
.btn-provider--github { background: #24292f; border-color: #24292f; color: #fff; }
.btn-provider--github:hover { background: #1b1f24; }
.btn-provider--google { background: #fff; border-color: #dadce0; color: #3c4043; }
.btn-provider--google:hover { background: #f5f6f7; border-color: #c8ccd0; }

.link { background: none; border: none; color: var(--accent); cursor: pointer; padding: 0; font: inherit; }
.link.danger, .danger { color: var(--danger); }
.inline { display: inline; margin: 0; }

.detail { max-width: 640px; }
.back { display: inline-block; margin-bottom: 16px; color: var(--text-dim); }
.detail h1 { margin: 0 0 6px; }
.detail-desc { color: var(--text-dim); }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 6px 16px; margin: 20px 0; }
.kv dt { color: var(--text-dim); }
.kv dd { margin: 0; font-family: ui-monospace, monospace; }
.hint { color: var(--text-dim); font-size: 13px; }
.owner-actions { display: flex; gap: 10px; margin-top: 24px; }

.auth { max-width: 380px; margin: 24px auto; }
.auth.wide { max-width: 560px; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.stack label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--text-dim); }
.stack input, .stack textarea {
  padding: 10px 12px; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font: inherit;
}
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-actions { display: flex; gap: 10px; }
.muted { color: var(--text-dim); }
.error { color: var(--danger); background: rgba(229,72,77,.1); padding: 10px 14px; border-radius: var(--radius); }

.dash-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.table th { color: var(--text-dim); font-weight: 600; font-size: 13px; }
.row-actions { display: flex; gap: 12px; align-items: center; }
.empty { color: var(--text-dim); padding: 40px 0; text-align: center; }

.footer {
  display: flex; justify-content: space-between; gap: 16px;
  max-width: 1040px; margin: 0 auto; padding: 24px; color: var(--text-dim);
  border-top: 1px solid var(--border); font-size: 13px;
}

@media (max-width: 520px) {
  .two-col { grid-template-columns: 1fr; }
}