:root { color-scheme: dark; --bg: #0a1f3d; --card: #12335f; --line: #2b4f80; --text: #eef3ff; --dim: #a7b8d6; --accent: #5ab4ee; --danger: #ff6b6b; }
* { box-sizing: border-box; }
body { margin: 0; background: linear-gradient(160deg, #0a1f3d, #0b2c52 60%, #0c3f5c); color: var(--text); font: 16px/1.5 system-ui, sans-serif; min-height: 100vh; }
main { max-width: 760px; margin: 0 auto; padding: 32px 20px 64px; }
main.wide { max-width: 1000px; }
h1 { font-size: 28px; margin: 0 0 24px; } h1 span { color: var(--accent); font-weight: 400; }
h2 { font-size: 20px; margin: 28px 0 12px; }
section { background: rgba(18, 51, 95, .6); border: 1px solid var(--line); border-radius: 14px; padding: 8px 24px 24px; margin-bottom: 20px; }
label { display: block; margin: 12px 0; color: var(--dim); font-size: 14px; }
input, select { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; background: #0a1f3d; color: var(--text); border: 1px solid var(--line); border-radius: 8px; font: inherit; }
button { background: var(--accent); color: #04223d; border: 0; border-radius: 8px; padding: 10px 18px; font: inherit; font-weight: 600; cursor: pointer; }
button.secondary { background: transparent; color: var(--text); border: 1px solid var(--line); }
button.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); padding: 6px 12px; }
button:focus-visible, input:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 12px 0; }
dt { color: var(--dim); } dd { margin: 0; }
.devices { list-style: none; padding: 0; margin: 0 0 20px; }
.devices li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.error { color: var(--danger); min-height: 1.4em; } .hint { color: var(--dim); font-size: 14px; }
table { width: 100%; border-collapse: collapse; } th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); font-size: 14px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; } .row > * { flex: 1; min-width: 140px; }
.stats { display: flex; gap: 16px; flex-wrap: wrap; } .stats div { background: var(--card); border-radius: 10px; padding: 12px 18px; } .stats b { display: block; font-size: 24px; }
tr.click { cursor: pointer; } tr.click:hover { background: rgba(255,255,255,.06); }