:root { color-scheme: light dark; --bg:#0f1419; --card:#1a222c; --fg:#f2f5f8; --muted:#9aa7b5; --accent:#3d9cf0; --ok:#3ecf8e; --bad:#f07178; --warn:#f0b429; }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--fg); min-height: 100vh; }
header { padding: 16px; border-bottom: 1px solid #2a3440; display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
header h1 { margin: 0; font-size: 1.15rem; }
header a.back { color: var(--accent); text-decoration: none; font-size: 0.9rem; }
main { padding: 16px; max-width: 560px; margin: 0 auto; }
.card { background: var(--card); border-radius: 12px; padding: 16px; margin: 12px 0; }
a.btn, button { display: inline-block; appearance: none; border: 0; border-radius: 10px; padding: 12px 16px; background: var(--accent); color: #fff; font-weight: 600; text-decoration: none; cursor: pointer; margin: 4px 4px 4px 0; font-size: 0.95rem; }
a.btn.secondary, button.secondary { background: #2a3440; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.muted { color: var(--muted); font-size: 0.9rem; }
label { display: block; margin: 10px 0 4px; font-size: 0.85rem; color: var(--muted); }
input, select, textarea { width: 100%; padding: 10px; border-radius: 8px; border: 1px solid #2a3440; background: var(--bg); color: var(--fg); font-size: 1rem; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
@media (max-width: 480px) { .grid2 { grid-template-columns: 1fr; } }
.ok { color: var(--ok); }
.bad { color: var(--bad); }
.tagPreview { font-family: ui-monospace, monospace; font-weight: 700; font-size: 1.05rem; word-break: break-all; }
.stackRow { display: flex; justify-content: space-between; gap: 8px; padding: 10px 0; border-bottom: 1px solid #2a3440; }
.stackRow:last-child { border-bottom: 0; }
.navGrid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.navGrid a.btn { text-align: center; margin: 0; }
.hidden { display: none !important; }