/* lnk.opseq.org — premium dark theme, no JS */
:root {
  --bg:        oklch(0.08 0.012 285);
  --fg:        oklch(0.97 0.005 285);
  --card:      oklch(0.13 0.015 285);
  --border:    oklch(0.25 0.02 285);
  --muted:     oklch(0.65 0.01 285);
  --primary:   oklch(0.78 0.18 300);
  --primary-fg: oklch(0.13 0.02 285);
  --destructive: oklch(0.70 0.21 22);
  --accent-1:  oklch(0.78 0.18 300);
  --accent-2:  oklch(0.84 0.16 200);
  --radius:    14px;
  --radius-lg: 22px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", sans-serif;
}

body {
  background-image:
    radial-gradient(ellipse 60rem 40rem at 50% -20%, oklch(0.30 0.10 300 / 0.25), transparent 70%),
    radial-gradient(ellipse 50rem 30rem at 90% 110%, oklch(0.32 0.10 200 / 0.18), transparent 70%);
  background-attachment: fixed;
}

a { color: inherit; text-decoration: none; }
input, textarea, select, button { font: inherit; color: inherit; }

/* Layout */
.shell { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.min-h-screen { min-height: 100vh; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.text-center { text-align: center; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.text-muted { color: var(--muted); }
.font-mono { font-family: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.tracking-wider { letter-spacing: 0.08em; }
.uppercase { text-transform: uppercase; }
.w-full { width: 100%; }
.w-4 { width: 16px; }
.h-4 { height: 16px; }
.w-5 { width: 20px; }
.h-5 { height: 20px; }
.w-8 { width: 32px; }
.h-8 { height: 32px; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-5 { margin-bottom: 20px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mt-1 { margin-top: 4px; }
.mt-3 { margin-top: 12px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mt-10 { margin-top: 40px; }
.mt-auto { margin-top: auto; }
.py-2 { padding-top: 8px; padding-bottom: 8px; }
.py-3 { padding-top: 12px; padding-bottom: 12px; }
.py-5 { padding-top: 20px; padding-bottom: 20px; }
.py-8 { padding-top: 32px; padding-bottom: 32px; }
.py-10 { padding-top: 40px; padding-bottom: 40px; }
.py-12 { padding-top: 48px; padding-bottom: 48px; }
.py-16 { padding-top: 64px; padding-bottom: 64px; }
.px-3 { padding-left: 12px; padding-right: 12px; }
.px-4 { padding-left: 16px; padding-right: 16px; }
.px-6 { padding-left: 24px; padding-right: 24px; }
.p-6 { padding: 24px; }
.p-7 { padding: 28px; }
.max-w-md { max-width: 28rem; }
.max-w-sm { max-width: 24rem; }
.max-w-6xl { max-width: 72rem; }
.space-y-2 > * + * { margin-top: 8px; }
.space-y-3 > * + * { margin-top: 12px; }
.space-y-4 > * + * { margin-top: 16px; }
.space-y-5 > * + * { margin-top: 20px; }
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:col-span-2 { grid-column: span 2 / span 2; }
  .md\:text-6xl { font-size: 60px; }
  .md\:text-5xl { font-size: 48px; }
}

/* Glass card */
.glass {
  background: oklch(0.13 0.015 285 / 0.65);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border: 1px solid oklch(1 0 0 / 0.06);
  border-radius: var(--radius-lg);
  padding: 24px;
}

/* Gradient text */
.gradient-text {
  background: linear-gradient(120deg, var(--accent-1), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 10px 16px; border-radius: var(--radius);
  border: 1px solid var(--border); background: transparent; cursor: pointer;
  transition: all 0.18s; font-weight: 600; font-size: 13px; }
.btn:hover { border-color: oklch(0.78 0.18 300 / 0.5); background: oklch(0.18 0.02 285 / 0.6); }
.btn-primary { background: var(--primary); color: var(--primary-fg); border-color: transparent; }
.btn-primary:hover { opacity: 0.9; background: var(--primary); }
.btn-lg { padding: 12px 20px; font-size: 14px; }
.btn-block { display: flex; width: 100%; }
.btn-ghost { color: var(--muted); padding: 6px 12px; border: none; }
.btn-ghost:hover { color: var(--fg); background: transparent; }

/* Inputs */
input, textarea, select {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.18s;
}
input:focus, textarea:focus, select:focus { border-color: var(--primary); }
input[type=color] { padding: 2px; height: 40px; cursor: pointer; }
textarea { resize: vertical; }

.field-label {
  display: block;
  font-size: 10px;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  margin-bottom: 6px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.input-group {
  display: flex; align-items: stretch;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
}
.input-group .prefix {
  padding: 10px 12px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--muted);
  border-right: 1px solid var(--border);
  display: flex; align-items: center;
}
.input-group input {
  border: none; border-radius: 0;
  flex: 1; background: transparent;
}

/* Link card (public profile) */
.link-card {
  display: flex; align-items: center; gap: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  background: oklch(0.13 0.015 285 / 0.6);
  border-radius: 18px;
  transition: transform 0.18s, border-color 0.18s, background 0.18s;
}
.link-card:hover {
  transform: translateY(-2px);
  border-color: oklch(0.78 0.18 300 / 0.5);
  background: oklch(0.18 0.02 285 / 0.85);
}

/* Stat card */
.stat-card {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: oklch(0.13 0.015 285 / 0.65);
  border: 1px solid oklch(1 0 0 / 0.06);
  backdrop-filter: blur(18px) saturate(140%);
}
.stat-value { font-size: 28px; font-weight: 700; font-family: "JetBrains Mono", monospace; }
.stat-label { font-size: 10px; color: var(--muted); font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }

/* Progress bars */
.stat-bar { height: 6px; border-radius: 9999px; background: oklch(0.20 0.02 285); overflow: hidden; }
.stat-bar > div {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  border-radius: 9999px;
  transition: width 0.4s;
}

/* Tables */
table.visits { width: 100%; font-size: 12px; border-collapse: collapse; }
table.visits th { text-align: left; padding: 8px; font-weight: 400; color: var(--muted);
  font-family: "JetBrains Mono", monospace; border-bottom: 1px solid var(--border); }
table.visits td { padding: 8px; border-bottom: 1px solid oklch(0.25 0.02 285 / 0.5); }
table.visits tr:hover td { background: oklch(0.13 0.015 285 / 0.4); }

/* Banner variants */
.banner { padding: 16px 20px; border-radius: var(--radius-lg); margin-bottom: 24px; }
.banner-welcome { background: oklch(0.78 0.18 300 / 0.08); border: 1px solid oklch(0.78 0.18 300 / 0.4); }
.banner-recovery { background: oklch(0.78 0.18 300 / 0.12); border: 1px solid oklch(0.78 0.18 300 / 0.6); }
.banner-error { background: oklch(0.70 0.21 22 / 0.12); border: 1px solid oklch(0.70 0.21 22 / 0.4);
  color: oklch(0.80 0.20 22); }
.banner-success { background: oklch(0.80 0.18 160 / 0.10); border: 1px solid oklch(0.80 0.18 160 / 0.4);
  color: oklch(0.85 0.18 160); }

/* Code block */
code {
  display: block; padding: 12px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: "JetBrains Mono", monospace; font-size: 12px;
  word-break: break-all; color: var(--accent-1);
}

/* Avatar */
.avatar {
  border-radius: 9999px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: var(--primary-fg);
}
.avatar-lg { width: 96px; height: 96px; font-size: 32px; }
.avatar-md { width: 36px; height: 36px; font-size: 14px; }
.avatar-sm { width: 24px; height: 24px; font-size: 12px; }

/* Custom scrollbar */
.scroll-pretty::-webkit-scrollbar { width: 8px; height: 8px; }
.scroll-pretty::-webkit-scrollbar-track { background: transparent; }
.scroll-pretty::-webkit-scrollbar-thumb { background: oklch(0.30 0.02 285); border-radius: 4px; }
.scroll-pretty::-webkit-scrollbar-thumb:hover { background: oklch(0.40 0.02 285); }

/* Fade in */
@keyframes fadein { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadein 0.5s ease both; }

/* Icon tile — pure CSS hover (no JS) */
.icon-tile {
  transition: border-color 0.18s, background 0.18s;
}
.icon-tile:hover {
  border-color: oklch(0.78 0.18 300 / 0.4) !important;
  background: oklch(0.18 0.02 285 / 0.8) !important;
}

/* Footer */
footer { margin-top: auto; padding: 24px; border-top: 1px solid var(--border); }
footer .shell { padding-top: 0; padding-bottom: 0; }