:root {
  --bg: #0f1115; --card: #171a21; --border: #2a2e38; --text: #e9edf1;
  --muted: #8a92a3; --accent: #4f7cff; --ok: #35c37f; --err: #ef5757;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, Segoe UI, Roboto, sans-serif; background: var(--bg); color: var(--text); }
header { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; border-bottom: 1px solid var(--border); }
header h1 { font-size: 18px; margin: 0; }
.header-left { display: flex; align-items: center; gap: 10px; }
.lang-toggle { display: flex; border: 1px solid var(--border); border-radius: 5px; overflow: hidden; flex-shrink: 0; }
.lang-toggle .lang-btn { margin: 0; padding: 2px 7px; font-size: 10px; font-weight: 600; background: transparent; color: var(--muted); border: none; border-radius: 0; cursor: pointer; line-height: 1.6; }
.lang-toggle .lang-btn:hover { opacity: 1; background: rgba(255,255,255,.05); }
.lang-toggle .lang-btn.active { background: var(--accent); color: #fff; }
nav a { color: var(--muted); text-decoration: none; margin-left: 20px; font-size: 14px; }
nav a.active, nav a:hover { color: var(--text); }
main { max-width: 900px; margin: 0 auto; padding: 24px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin-bottom: 20px; }
.card h2 { margin-top: 0; font-size: 15px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 4px; }
input, select { width: 100%; padding: 9px 10px; border-radius: 6px; border: 1px solid var(--border); background: #10131a; color: var(--text); font-size: 14px; }
input[readonly], input:disabled { background: #191d26; color: var(--muted); cursor: not-allowed; }
button { background: var(--accent); color: white; border: none; padding: 9px 16px; border-radius: 6px; cursor: pointer; font-size: 14px; margin-top: 14px; }
button.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
button:hover { opacity: .9; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.badge.active { background: rgba(53,195,127,.15); color: var(--ok); }
.badge.inactive { background: rgba(138,146,163,.15); color: var(--muted); }
.badge.success { background: rgba(53,195,127,.15); color: var(--ok); }
.badge.error { background: rgba(239,87,87,.15); color: var(--err); }
.badge.pending { background: rgba(255,193,7,.15); color: #ffc107; }
.list-item { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); }
.list-item:last-child { border-bottom: none; }
.size-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px,1fr)); gap: 8px; margin-top: 10px; }
.size-grid button { margin: 0; width: 100%; }
small.hint { color: var(--muted); display: block; margin-top: 4px; }
a.link { color: var(--accent); }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr)); gap: 12px; }
.stat-box { background: #10131a; border: 1px solid var(--border); border-radius: 8px; padding: 14px; text-align: center; }
.stat-box .num { font-size: 24px; font-weight: 600; }
.stat-box .label { font-size: 12px; color: var(--muted); margin-top: 4px; }
select { width: 100%; padding: 9px 10px; border-radius: 6px; border: 1px solid var(--border); background: #10131a; color: var(--text); font-size: 14px; }