:root { color-scheme: light dark; --bg: #f5f6f8; --card: #fff; --text: #1a2230; --muted: #5b6678; --line: #d9dee6; --accent: #0b6e4f; --error: #b3261e; }
@media (prefers-color-scheme: dark) { :root { --bg: #11161e; --card: #171e29; --text: #e8ecf2; --muted: #9daabd; --line: #2b3545; --accent: #77d6b3; --error: #ffb4ab; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, sans-serif; }
main { max-width: 30rem; margin: 0 auto; padding: 2rem 1rem; }
h1 { font-size: 1.4rem; margin: 0 0 1rem; }
main > * + * { margin-top: 1rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 1.25rem; display: grid; gap: .9rem; }
label { display: grid; gap: .25rem; font-weight: 600; }
input { font: inherit; padding: .55rem .65rem; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: inherit; width: 100%; }
button { font: inherit; font-weight: 600; padding: .6rem .9rem; border: 0; border-radius: 8px; background: var(--accent); color: var(--bg); cursor: pointer; }
button.quiet { background: transparent; color: var(--text); border: 1px solid var(--line); }
button:disabled { opacity: .6; cursor: default; }
.muted { color: var(--muted); font-size: .92rem; margin: 0; }
.error { color: var(--error); margin: 0; }
.vci { font-family: ui-monospace, monospace; overflow-wrap: anywhere; font-weight: 600; }
.row { display: flex; justify-content: space-between; align-items: center; gap: .75rem; }
ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
nav { display: flex; justify-content: space-between; align-items: center; }
a { color: var(--accent); }
[hidden] { display: none !important; }