:root {
  --bg: #0b0d12;
  --panel: #151922;
  --panel-2: #1c2230;
  --border: #2a3140;
  --text: #e6e9ef;
  --muted: #8b94a7;
  --accent: #6c8cff;
  --accent-2: #9b6cff;
  --ok: #36d399;
  --bad: #f87272;
  --warn: #fbbd23;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #1a2030 0%, var(--bg) 55%) fixed;
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #0e1118; padding: 1px 5px; border-radius: 4px; font-size: 0.85em; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--border);
  background: rgba(15,18,26,0.6); backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 5;
}
.brand { font-weight: 700; letter-spacing: 0.3px; background: linear-gradient(90deg,var(--accent),var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.userbox { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; }
.userbox img { width: 28px; height: 28px; border-radius: 50%; }

.container { max-width: 1100px; margin: 0 auto; padding: 28px 22px 80px; }
.loading { color: var(--muted); padding: 40px; text-align: center; }

.hero { max-width: 620px; margin: 8vh auto; text-align: center; }
.hero h1 { font-size: 2rem; line-height: 1.15; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 760px) { .grid { grid-template-columns: 1fr; } }
.card {
  background: linear-gradient(180deg,var(--panel),var(--panel-2));
  border: 1px solid var(--border); border-radius: 14px; padding: 18px 18px 20px;
}
.card h2 { margin: 0 0 8px; font-size: 1.1rem; }

.stack { display: flex; flex-direction: column; gap: 8px; margin: 12px 0; }
input, select {
  background: #0e1118; border: 1px solid var(--border); color: var(--text);
  border-radius: 9px; padding: 10px 12px; font-size: 0.9rem; width: 100%;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }

.btn {
  background: linear-gradient(90deg,var(--accent),var(--accent-2)); color: white;
  border: none; border-radius: 9px; padding: 10px 14px; font-weight: 600;
  cursor: pointer; font-size: 0.9rem;
}
.btn:hover { filter: brightness(1.08); }
.btn-google { display: inline-flex; gap: 8px; padding: 12px 22px; margin-top: 18px; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-sm { padding: 6px 10px; font-size: 0.8rem; }
.btn-danger { background: transparent; border: 1px solid var(--bad); color: var(--bad); }

.list { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.row {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: #0e1118; border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px;
}
.row .meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.row .meta b { font-weight: 600; }
.row .meta span { color: var(--muted); font-size: 0.8rem; overflow: hidden; text-overflow: ellipsis; }

.pill { font-size: 0.72rem; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); }
.pill.active { color: var(--ok); border-color: rgba(54,211,153,0.4); }
.pill.invalid { color: var(--bad); border-color: rgba(248,114,114,0.4); }
.pill.unknown { color: var(--warn); border-color: rgba(251,189,35,0.4); }

.reveal { background: #0e1118; border: 1px dashed var(--accent); border-radius: 10px; padding: 12px; margin: 10px 0; }
.reveal code { word-break: break-all; display: block; margin: 6px 0; }

.stats { display: flex; gap: 14px; margin: 10px 0 16px; flex-wrap: wrap; }
.stat { background: #0e1118; border: 1px solid var(--border); border-radius: 10px; padding: 12px 16px; flex: 1; min-width: 110px; }
.stat .n { font-size: 1.5rem; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 0.78rem; }

.code { background: #0e1118; border: 1px solid var(--border); border-radius: 10px; padding: 14px; overflow-x: auto; font-size: 0.8rem; white-space: pre; }

/* Nav */
.nav { display: flex; gap: 6px; margin-left: 20px; flex: 1; }
.nav a { color: var(--muted); padding: 6px 12px; border-radius: 8px; font-size: 0.9rem; font-weight: 500; }
.nav a:hover { color: var(--text); text-decoration: none; background: rgba(255,255,255,0.04); }
.nav a.active { color: var(--text); background: rgba(108,140,255,0.15); }

/* Playground */
.play { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
@media (max-width: 860px) { .play { grid-template-columns: 1fr; } }
.play-controls { display: flex; gap: 12px; align-items: center; margin: 10px 0; }
.play-controls select { flex: 1; }
.chk { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 0.85rem; white-space: nowrap; }
.chk input { width: auto; }
textarea#play-prompt {
  width: 100%; background: #0e1118; border: 1px solid var(--border); color: var(--text);
  border-radius: 9px; padding: 10px 12px; font-size: 0.9rem; font-family: inherit; resize: vertical;
}
textarea#play-prompt:focus { outline: none; border-color: var(--accent); }
.play-actions { display: flex; gap: 10px; align-items: center; margin-top: 10px; }
.output { white-space: pre-wrap; word-break: break-word; line-height: 1.5; min-height: 40px; }
.output.err { color: var(--bad); }
.thoughts { white-space: pre-wrap; color: var(--muted); font-style: italic; font-size: 0.85rem; margin-bottom: 10px; padding: 8px 10px; background: #0e1118; border-radius: 8px; border: 1px solid var(--border); }
.images { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.images img { max-width: 240px; max-height: 240px; border-radius: 10px; border: 1px solid var(--border); display: block; }
.curl-details { margin-top: 14px; }
.curl-details summary { cursor: pointer; color: var(--muted); font-size: 0.85rem; }

.hidden { display: none !important; }
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 12px 18px; border-radius: 10px; z-index: 20; box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}
.toast.bad { border-color: var(--bad); }
.toast.ok { border-color: var(--ok); }