:root { --navy: #0d1257; --ink: #1c2033; --muted: #4a5068; --bg: #f5f6ff; --line: #dcdfff; }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--ink); }
header { background: var(--navy); color: #fff; padding: 12px 16px; font-size: 16px; }
#desk { float: right; color: #c4c8e0; font-size: 14px; }
main { max-width: 520px; margin: 0 auto; padding: 16px; }
h1 { font-size: 22px; color: var(--navy); }
form label { display: block; margin: 12px 0; font-weight: 600; }
input { display: block; width: 100%; margin-top: 6px; padding: 12px; font-size: 17px; border: 1px solid var(--line); border-radius: 8px; }
button { width: 100%; padding: 14px; font-size: 17px; font-weight: 700; color: #fff; background: var(--navy); border: 0; border-radius: 8px; }
.error { color: #b91c1c; font-weight: 600; }
#reader { width: 100%; border-radius: 12px; overflow: hidden; background: #000; min-height: 240px; }
#reader video { width: 100% !important; }
.card { margin-top: 14px; padding: 18px; border-radius: 12px; font-size: 17px; line-height: 1.4; min-height: 92px; }
.card .name { display: block; font-size: 26px; font-weight: 800; margin-bottom: 4px; overflow-wrap: anywhere; }
.idle { background: #fff; color: var(--muted); border: 1px dashed var(--line); }
.ok { background: #15803d; color: #fff; }
.already, .unknown { background: #b91c1c; color: #fff; }
.closed { background: #6b7280; color: #fff; }
.error-card { background: #d97706; color: #fff; }
.busy { background: #fff; color: var(--muted); border: 1px solid var(--line); }