:root {
  --bg: #0d1117;
  --text: #c9d1d9;
  --accent: #fbbf24;
  --accent-soft: rgba(251, 191, 36, 0.15);
  --danger: #ff7b72;
  --success: #3fb950;
  --muted: #8b949e;
  --border: #30363d;
  --card-bg: #161b22;
  --code-bg: #0d1117;
  --focus: #58a6ff;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--accent);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-logout {
  display: inline-flex;
  align-items: center;
  margin-left: 0.75rem;
}

.nav-logout button {
  background: transparent;
  border: none;
  color: var(--text);
  font: inherit;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  transition: background 0.2s ease;
}

.nav-logout button:hover {
  background: var(--border);
}

/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1rem;
  margin-bottom: 1rem;
}

.card h2,
.card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

/* Fields */
.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  color: var(--text);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.5rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  color: var(--text);
  font: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--focus);
  box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}

.field .hint {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--muted);
}

/* Banners */
.banner {
  padding: 0.75rem 1rem;
  border-radius: 0.375rem;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
}

.banner.success {
  background: rgba(63, 185, 80, 0.15);
  border: 1px solid var(--success);
  color: var(--success);
}

.banner.error {
  background: rgba(255, 123, 114, 0.15);
  border: 1px solid var(--danger);
  color: var(--danger);
}

/* Links table */
.links-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
}

.links-table th,
.links-table td {
  padding: 0.75rem 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.links-table th {
  font-weight: 600;
  color: var(--text);
  font-size: 0.875rem;
}

.links-table td {
  font-size: 0.9375rem;
}

.links-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Tagline */
.tagline {
  font-style: italic;
  color: var(--muted);
  font-size: 0.9375rem;
}

/* Copy box */
.copy-box {
  position: relative;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  padding: 0.75rem 1rem;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.875rem;
  color: var(--accent);
  user-select: all;
}

.copy-box:hover {
  border-color: var(--accent);
}

.copy-box::after {
  content: "Copy";
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-size: 0.75rem;
  color: var(--muted);
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.copy-box:hover::after {
  opacity: 1;
}

/* Tiles */
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.tile {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1rem;
  text-align: center;
}

.tile .number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.tile .label {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--muted);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge.active {
  background: rgba(63, 185, 80, 0.15);
  color: var(--success);
  border: 1px solid var(--success);
}

.badge.disabled {
  background: rgba(139, 148, 158, 0.15);
  color: var(--muted);
  border: 1px solid var(--muted);
}

.badge.expired {
  background: rgba(255, 123, 114, 0.15);
  color: var(--danger);
  border: 1px solid var(--danger);
}

/* Danger zone */
.danger-zone {
  background: rgba(255, 123, 114, 0.08);
  border: 1px solid var(--danger);
  border-radius: 0.5rem;
  padding: 1rem;
  margin-top: 1rem;
}

.danger-zone h3 {
  color: var(--danger);
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.danger-zone button {
  background: var(--danger);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  cursor: pointer;
  font-weight: 600;
}

.danger-zone button:hover {
  background: #fa4449;
}

/* Utilities */
.center {
  text-align: center;
}

.muted {
  color: var(--muted);
}

/* Charts */
.chart-wrap {
  position: relative;
  margin: 1rem 0;
}

.chart-legend {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
}

.lkey {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.lswatch {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  display: inline-block;
}

.lswatch.clicks { background: var(--accent); }
.lswatch.uniques { background: #58a6ff; }

.chart-tip {
  position: absolute;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  pointer-events: none;
  z-index: 50;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  min-width: 120px;
}

.chart-tip .tip-head {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--accent);
}

/* Bar charts */
.bars {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.bar-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bar-label {
  flex: 0 0 120px;
  font-size: 0.875rem;
  color: var(--text);
  text-align: right;
  padding-right: 0.5rem;
}

.bar-track {
  flex: 1;
  background: var(--border);
  border-radius: 999px;
  height: 12px;
  overflow: hidden;
}

.bar-fill {
  background: #3987e5;
  height: 100%;
  border-radius: 0 999px 999px 0;
  transition: width 0.4s ease;
}

.bar-count {
  flex: 0 0 60px;
  font-size: 0.875rem;
  color: var(--muted);
  text-align: right;
}

/* Responsive */
@media (max-width: 720px) {
  .nav {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .nav-logout {
    margin-left: auto;
  }

  .tiles {
    grid-template-columns: 1fr;
  }

  .links-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .bar-label {
    flex: 0 0 80px;
  }

  .bar-count {
    flex: 0 0 50px;
  }
}

/* ---- charon v2 supplement (hand-written): classes the generated base
   missed. Uses the same custom properties. ---- */
.hero { padding: 4rem 1rem 2rem; }
.hero h1 { font-size: 3rem; margin: 0 0 .25rem; color: var(--accent); letter-spacing: .04em; }
.footer { padding: 2rem 1rem 3rem; font-size: .85rem; }
.center { text-align: center; }
.center-block { margin-left: auto; margin-right: auto; }
.narrow { max-width: 420px; }
.muted { color: var(--muted); }

.brand { font-weight: 700; color: var(--accent); text-decoration: none; font-size: 1.15rem; letter-spacing: .04em; }
.inline-form { display: inline; margin: 0; }

.btn { display: inline-block; padding: .5rem 1rem; border-radius: 6px; border: 1px solid var(--border); background: var(--card-bg); color: var(--text); font-size: .95rem; cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--muted); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #1c1917; font-weight: 600; }
.btn-primary:hover { filter: brightness(1.08); border-color: var(--accent); }
.btn-danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: rgba(255, 123, 114, .1); }
.btn-link { background: none; border: none; color: var(--muted); cursor: pointer; padding: .25rem .5rem; font-size: .95rem; }
.btn-link:hover { color: var(--text); }
.btn-sm { padding: .25rem .6rem; font-size: .82rem; }

.tile .big { font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; }

.field-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.field-row .field { flex: 1 1 160px; }
.checkbox-field { display: flex; align-items: flex-end; padding-bottom: .5rem; }

.copy-box.wide, .banner .copy-box { width: 100%; max-width: 480px; }

.table-scroll { overflow-x: auto; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 900px) { .grid-3 { grid-template-columns: 1fr; } }

.danger-zone { border-color: var(--danger); }
.danger-zone h3 { color: var(--danger); }
.danger-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.detail-head { display: flex; gap: 1.5rem; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; }
.qr-box { background: #fff; border-radius: 8px; padding: 10px; width: 200px; height: 200px; flex: 0 0 auto; }
.qr-box svg { width: 100%; height: 100%; display: block; }

.chart-table summary { color: var(--muted); font-size: .85rem; cursor: pointer; margin-top: .5rem; }