:root {
    --bg: #0f1115;
    --panel: #161922;
    --panel-2: #1d212b;
    --line: #2a2f3c;
    --text: #e6e8ee;
    --muted: #8a92a3;
    --primary: #4f8cff;
    --primary-h: #6aa1ff;
    --success: #34c87a;
    --warn: #f5b042;
    --danger: #ef4f5e;
    --radius: 8px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-h); }
code { background: #0a0c10; padding: 2px 6px; border-radius: 4px; font-size: 12px; }
.muted { color: var(--muted); }
.warn  { color: var(--warn); font-weight: 600; }

/* Topbar */
.topbar { display: flex; align-items: center; gap: 24px; padding: 12px 24px; background: var(--panel); border-bottom: 1px solid var(--line); }
.topbar .brand a { color: var(--text); font-weight: 700; }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { color: var(--muted); padding: 6px 0; }
.topbar nav a.active { color: var(--text); border-bottom: 2px solid var(--primary); }
.topbar .user { display: flex; gap: 12px; align-items: center; }

/* Container */
.container { max-width: 1280px; margin: 0 auto; padding: 24px; }
h1 { margin: 0 0 16px; font-size: 22px; }
h2 { margin: 24px 0 12px; font-size: 18px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 24px; }
.card { background: var(--panel); padding: 16px; border-radius: var(--radius); border: 1px solid var(--line); }
.card-title { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.card-value { font-size: 28px; font-weight: 700; margin-top: 6px; }

/* Tables */
table.data { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: var(--radius); overflow: hidden; }
table.data th, table.data td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.data thead th { background: var(--panel-2); color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
table.data tbody tr:hover { background: var(--panel-2); }

/* Forms */
.form { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.form label { display: block; margin-bottom: 12px; }
.form input, .form select, .form textarea {
    width: 100%; padding: 8px 10px; background: var(--bg); color: var(--text);
    border: 1px solid var(--line); border-radius: 6px; font: inherit;
    margin-top: 4px;
}
.form textarea { font-family: monospace; font-size: 13px; }
.form .check { display: flex; align-items: center; gap: 8px; }
.form .check input { width: auto; margin: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-actions { margin-top: 16px; display: flex; gap: 12px; align-items: center; }

button, .btn {
    background: var(--primary); color: white; border: 0; padding: 8px 16px;
    border-radius: 6px; cursor: pointer; font: inherit; font-weight: 500;
}
button:hover, .btn:hover { background: var(--primary-h); color: white; }
.btn-link { background: transparent; color: var(--muted); padding: 8px 0; }
.btn-warn { background: var(--warn); color: #2a1a00; }
.btn-danger { background: var(--danger); }

/* Toolbar */
.toolbar { display: flex; gap: 16px; margin-bottom: 16px; align-items: center; }
.toolbar form.inline { display: flex; gap: 8px; flex: 1; }
.toolbar form.inline input { padding: 8px 10px; background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 6px; flex: 1; }

/* Tags */
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.tag-active   { background: rgba(52,200,122,.15); color: var(--success); }
.tag-suspended{ background: rgba(245,176,66,.15); color: var(--warn); }
.tag-expired  { background: rgba(239,79,94,.15); color: var(--danger); }
.tag-blocked  { background: rgba(239,79,94,.25); color: var(--danger); }
.tag-check    { background: rgba(79,140,255,.15); color: var(--primary); }
.tag-download { background: rgba(52,200,122,.15); color: var(--success); }
.tag-heartbeat{ background: rgba(138,146,163,.15); color: var(--muted); }
.tag-install_success { background: rgba(52,200,122,.15); color: var(--success); }
.tag-install_failed  { background: rgba(239,79,94,.15); color: var(--danger); }
.tag-error    { background: rgba(239,79,94,.15); color: var(--danger); }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-left: 6px; }
.dot-on  { background: var(--success); }
.dot-off { background: var(--muted); }

/* Flash */
.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }
.flash-success { background: rgba(52,200,122,.15); color: var(--success); }
.flash-error   { background: rgba(239,79,94,.15);  color: var(--danger); }

/* Auth */
body.auth { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.auth-card { background: var(--panel); padding: 32px; border-radius: var(--radius); border: 1px solid var(--line); width: 380px; }
.auth-card h1 { margin: 0 0 20px; }
.auth-card label { display: block; margin-bottom: 14px; }
.auth-card input { width: 100%; padding: 10px; background: var(--bg); color: var(--text); border: 1px solid var(--line); border-radius: 6px; font: inherit; margin-top: 4px; }
.auth-card button { width: 100%; padding: 12px; }