:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --ok: #22c55e;
  --fail: #ef4444;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.5 -apple-system, system-ui, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}
header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header h1 { font-size: 18px; margin: 0; }
header nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 16px;
  font-size: 14px;
}
header nav a:hover, header nav a.active { color: var(--text); }
main { max-width: 900px; margin: 0 auto; padding: 24px; }
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}
h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 16px;
}
label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin: 12px 0 4px;
}
input[type=text], input[type=url], textarea {
  width: 100%;
  padding: 10px 12px;
  background: #0b1220;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 13px;
}
textarea { min-height: 80px; resize: vertical; }
button {
  padding: 10px 16px;
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  font-weight: 500;
}
button:hover { filter: brightness(1.1); }
button.danger {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  font-size: 13px;
}
button.danger:hover { background: var(--fail); border-color: var(--fail); color: white; }
.list { display: flex; flex-direction: column; gap: 10px; }
.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  background: #0b1220;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.row .url {
  flex: 1;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 12px;
  word-break: break-all;
  color: var(--text);
  text-decoration: none;
}
.row .url:hover { color: var(--accent); }
.row .meta { color: var(--muted); font-size: 11px; margin-top: 4px; }
.note { color: var(--muted); font-size: 12px; margin-top: 4px; }
.empty {
  text-align: center;
  color: var(--muted);
  padding: 32px;
  font-size: 14px;
}
.flash {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 14px;
}
.flash.ok { background: #14532d; color: #d1fae5; }
.flash.fail { background: #7f1d1d; color: #fee2e2; }