:root {
  --bg: #0a0e1a; --bg2: #0d1222; --surface: #121a2e; --surface2: #18213a; --surface3: #1f2a47;
  --border: #232e4d; --border2: #2d3a60;
  --text: #e7eaf6; --muted: #8e97b5; --faint: #5d6788;
  --accent: #7c6cff; --accent2: #22d3ee; --accent-soft: rgba(124,108,255,.14);
  --green: #22c55e; --green-soft: rgba(34,197,94,.14);
  --amber: #f59e0b; --amber-soft: rgba(245,158,11,.14);
  --red: #f43f5e; --red-soft: rgba(244,63,94,.14);
  --blue: #3b82f6;
  --grad: linear-gradient(135deg, #7c6cff 0%, #22d3ee 100%);
  --shadow: 0 1px 0 rgba(255,255,255,.03) inset, 0 8px 30px rgba(0,0,0,.25);
  --radius: 14px; --radius-sm: 9px;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f4f6fb; --bg2: #eef1f8; --surface: #ffffff; --surface2: #f6f8fc; --surface3: #edf0f7;
    --border: #e2e6f0; --border2: #d3d9e8; --text: #121729; --muted: #5c6684; --faint: #98a1bc;
    --accent-soft: rgba(124,108,255,.10); --shadow: 0 1px 2px rgba(16,24,40,.04), 0 6px 20px rgba(16,24,40,.06);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f4f6fb; --bg2: #eef1f8; --surface: #ffffff; --surface2: #f6f8fc; --surface3: #edf0f7;
  --border: #e2e6f0; --border2: #d3d9e8; --text: #121729; --muted: #5c6684; --faint: #98a1bc;
  --accent-soft: rgba(124,108,255,.10); --shadow: 0 1px 2px rgba(16,24,40,.04), 0 6px 20px rgba(16,24,40,.06);
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 24px; } h2 { font-size: 16px; } h3 { font-size: 14px; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
.muted { color: var(--muted); } .faint { color: var(--faint); }
.hidden { display: none !important; }
::selection { background: rgba(124,108,255,.35); }

/* ---------- layout ---------- */
.shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar {
  position: sticky; top: 0; height: 100vh; padding: 20px 14px; display: flex; flex-direction: column; gap: 4px;
  background: var(--bg2); border-right: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 10px 22px; font-weight: 700; font-size: 18px; letter-spacing: -.02em; }
.brand-mark { width: 30px; height: 30px; border-radius: 9px; background: var(--grad); display: grid; place-items: center; box-shadow: 0 6px 20px rgba(124,108,255,.35); }
.brand-mark svg { width: 18px; height: 18px; }
.brand small { display: block; font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.nav a {
  display: flex; align-items: center; gap: 11px; padding: 9px 12px; border-radius: 10px; color: var(--muted); font-weight: 500;
  text-decoration: none; transition: background .15s, color .15s;
}
.nav a svg { width: 18px; height: 18px; flex: none; }
.nav a:hover { background: var(--surface); color: var(--text); }
.nav a.active { background: var(--accent-soft); color: var(--text); }
.nav a.active svg { color: var(--accent); }
.sidebar-foot { margin-top: auto; padding: 12px; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--grad); display: grid; place-items: center; font-weight: 700; font-size: 13px; color: #fff; flex: none; }
.sidebar-foot .who { min-width: 0; flex: 1; }
.sidebar-foot .who div { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 12.5px; }
.main { min-width: 0; padding: 28px 32px 60px; max-width: 1480px; width: 100%; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head p { margin: 4px 0 0; color: var(--muted); }
.crumbs { color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.crumbs a { color: var(--muted); }

/* ---------- cards & grids ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px 20px; min-width: 0; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.card-head h2 { display: flex; align-items: center; gap: 8px; }
.grid { display: grid; gap: 16px; }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g21 { grid-template-columns: 2fr 1fr; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.spacer { flex: 1; }
.mt { margin-top: 16px; }

/* ---------- gauges / stat tiles ---------- */
.gauge-card { display: flex; align-items: center; gap: 16px; }
.gauge { position: relative; width: 84px; height: 84px; flex: none; }
.gauge svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.gauge .track { stroke: var(--surface3); }
.gauge .val { transition: stroke-dashoffset .6s ease; stroke-linecap: round; }
.gauge .pct { position: absolute; inset: 0; display: grid; place-items: center; font-weight: 700; font-size: 17px; letter-spacing: -.02em; }
.gauge-info .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.gauge-info .big { font-size: 18px; font-weight: 650; margin-top: 2px; }
.gauge-info .sub { color: var(--muted); font-size: 12.5px; }
.stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.stat .value { font-size: 26px; font-weight: 700; letter-spacing: -.02em; margin-top: 4px; }
.stat .sub { color: var(--muted); font-size: 12.5px; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 7px 18px; font-size: 13px; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; text-align: right; min-width: 0; overflow-wrap: anywhere; }

/* ---------- badges & dots ---------- */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 9px; border-radius: 99px; font-size: 12px; font-weight: 600; background: var(--surface3); color: var(--muted); white-space: nowrap; }
.badge.green { background: var(--green-soft); color: var(--green); }
.badge.amber { background: var(--amber-soft); color: var(--amber); }
.badge.red { background: var(--red-soft); color: var(--red); }
.badge.accent { background: var(--accent-soft); color: var(--accent); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); flex: none; display: inline-block; }
.dot.green { background: var(--green); box-shadow: 0 0 0 3px var(--green-soft); }
.dot.amber { background: var(--amber); box-shadow: 0 0 0 3px var(--amber-soft); }
.dot.red { background: var(--red); box-shadow: 0 0 0 3px var(--red-soft); }

/* ---------- buttons & forms ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 8px 14px; border-radius: 10px;
  border: 1px solid var(--border2); background: var(--surface2); color: var(--text); font: inherit; font-weight: 550; cursor: pointer;
  white-space: nowrap; transition: background .15s, border-color .15s, transform .05s; text-decoration: none;
}
.btn:hover { background: var(--surface3); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn svg { width: 16px; height: 16px; }
.btn.primary { background: var(--grad); border-color: transparent; color: #fff; box-shadow: 0 6px 18px rgba(124,108,255,.3); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--red); border-color: rgba(244,63,94,.35); background: transparent; }
.btn.danger:hover { background: var(--red-soft); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { background: var(--surface2); color: var(--text); }
.btn.sm { padding: 5px 10px; font-size: 13px; border-radius: 8px; }
.btn.icon { padding: 6px; }
.seg { display: inline-flex; background: var(--surface2); border: 1px solid var(--border); border-radius: 10px; padding: 3px; }
.seg button { border: 0; background: transparent; color: var(--muted); font: inherit; font-size: 12.5px; font-weight: 600; padding: 4px 11px; border-radius: 7px; cursor: pointer; }
.seg button.on { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
label.field { display: block; margin-bottom: 14px; }
label.field > span { display: block; font-size: 12.5px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
label.field small { display: block; color: var(--faint); margin-top: 5px; font-size: 12px; }
input[type=text], input[type=email], input[type=password], input[type=search], select, textarea {
  width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border2); background: var(--bg2); color: var(--text);
  font: inherit; outline: none; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea { font-family: var(--mono); font-size: 13px; line-height: 1.55; resize: vertical; }
.check { display: flex; align-items: center; gap: 9px; cursor: pointer; user-select: none; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }
.code-input { font-family: var(--mono); font-size: 22px !important; letter-spacing: .35em; text-align: center; }
.error-msg { background: var(--red-soft); color: var(--red); padding: 9px 12px; border-radius: 10px; font-size: 13px; margin-bottom: 14px; }
.info-msg { background: var(--accent-soft); color: var(--text); padding: 10px 12px; border-radius: 10px; font-size: 13px; margin-bottom: 14px; }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; margin: 0 -20px; padding: 0 20px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--muted); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--surface2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.clickable { cursor: pointer; }
.empty { text-align: center; color: var(--muted); padding: 40px 10px; }
.empty svg { width: 40px; height: 40px; color: var(--faint); margin-bottom: 8px; }

/* ---------- charts ---------- */
.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; overflow: visible; }
.chart .grid-line { stroke: var(--border); stroke-dasharray: 3 4; }
.chart .axis { fill: var(--faint); font-size: 10.5px; }
.chart .cursor { stroke: var(--border2); }
.chart-tip {
  position: absolute; pointer-events: none; background: var(--surface3); border: 1px solid var(--border2); border-radius: 9px; padding: 7px 10px;
  font-size: 12px; white-space: nowrap; box-shadow: var(--shadow); transform: translate(-50%, -100%); z-index: 5;
}
.chart-tip .t { color: var(--muted); margin-bottom: 3px; }
.chart-tip .s { display: flex; align-items: center; gap: 6px; }
.chart-tip .sw, .legend .sw { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.spark { width: 120px; height: 30px; display: block; }
.bar-list .item { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; margin-bottom: 9px; font-size: 13px; }
.bar-list .item .bar { grid-column: 1 / -1; height: 5px; background: var(--surface3); border-radius: 3px; overflow: hidden; }
.bar-list .item .bar i { display: block; height: 100%; background: var(--grad); border-radius: 3px; }
.bar-list .k { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--mono); font-size: 12px; }
.meter { height: 6px; background: var(--surface3); border-radius: 3px; overflow: hidden; width: 90px; display: inline-block; vertical-align: middle; }
.meter i { display: block; height: 100%; background: var(--accent); border-radius: 3px; }

/* ---------- site cards ---------- */
.site-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 16px; }
.site-card { cursor: pointer; transition: border-color .15s, transform .15s; display: flex; flex-direction: column; gap: 14px; }
.site-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.site-card .top { display: flex; align-items: flex-start; gap: 12px; }
.site-icon { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; font-weight: 700; font-size: 16px; color: #fff; flex: none; text-transform: uppercase; }
.site-card .name { font-weight: 650; font-size: 15px; }
.site-card .domain { color: var(--muted); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.site-card .metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.site-card .metrics div { background: var(--surface2); border-radius: 10px; padding: 8px 10px; }
.site-card .metrics b { display: block; font-size: 15px; }
.site-card .metrics span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }

/* ---------- tabs ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; overflow-x: auto; }
.tabs button { background: none; border: 0; color: var(--muted); font: inherit; font-weight: 600; padding: 10px 14px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs button:hover { color: var(--text); }
.tabs button.on { color: var(--text); border-bottom-color: var(--accent); }

/* ---------- logs / console ---------- */
.log {
  background: #070a14; color: #cfd6ee; border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; font-family: var(--mono); font-size: 12.5px;
  line-height: 1.6; overflow: auto; max-height: 560px; white-space: pre-wrap; word-break: break-word;
}
.log .ln-err { color: #fb7185; } .log .ln-warn { color: #fbbf24; } .log .ln-ok { color: #4ade80; } .log .ln-step { color: #a5b4fc; font-weight: 600; }
.log .ts { color: #5d6788; }
.status-2 { color: var(--green); } .status-3 { color: var(--accent2); } .status-4 { color: var(--amber); } .status-5 { color: var(--red); }

/* ---------- file manager ---------- */
.fm-bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.fm-path { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; font-size: 14px; background: var(--surface2); border: 1px solid var(--border); padding: 6px 10px; border-radius: 10px; flex: 1; min-width: 200px; }
.fm-path a { color: var(--text); padding: 1px 5px; border-radius: 6px; }
.fm-path a:hover { background: var(--surface3); text-decoration: none; }
.fm-path .sep { color: var(--faint); }
.fm-table td:first-child { width: 28px; }
.fm-name { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.fm-name svg { width: 18px; height: 18px; flex: none; }
.fm-name .ic-dir { color: var(--accent); } .fm-name .ic-file { color: var(--muted); } .fm-name .ic-link { color: var(--accent2); }
.fm-actions { display: flex; gap: 2px; justify-content: flex-end; opacity: .45; transition: opacity .15s; }
tr:hover .fm-actions { opacity: 1; }
.dropzone { position: relative; }
.dropzone.drag::after {
  content: "Drop files or folders to upload"; position: absolute; inset: 0; border: 2px dashed var(--accent); border-radius: var(--radius);
  background: rgba(124,108,255,.10); display: grid; place-items: center; font-weight: 650; font-size: 16px; color: var(--text); z-index: 10;
}
.progress { height: 6px; background: var(--surface3); border-radius: 3px; overflow: hidden; }
.progress i { display: block; height: 100%; width: 0; background: var(--grad); transition: width .2s; }

/* ---------- modal & toast ---------- */
.modal-back { position: fixed; inset: 0; background: rgba(5,8,18,.6); backdrop-filter: blur(4px); display: grid; place-items: center; z-index: 100; padding: 16px; animation: fade .15s; }
.modal { background: var(--surface); border: 1px solid var(--border2); border-radius: 16px; width: min(520px, 100%); max-height: calc(100vh - 32px); display: flex; flex-direction: column; box-shadow: 0 30px 80px rgba(0,0,0,.45); animation: pop .18s; }
.modal.wide { width: min(980px, 100%); }
.modal-head { padding: 18px 20px 0; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.modal-body { padding: 16px 20px; overflow: auto; }
.modal-foot { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
#toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 200; }
.toast { background: var(--surface3); border: 1px solid var(--border2); border-left: 3px solid var(--accent); padding: 11px 14px; border-radius: 10px; box-shadow: var(--shadow); max-width: 380px; font-size: 13px; animation: pop .2s; }
.toast.ok { border-left-color: var(--green); } .toast.err { border-left-color: var(--red); }
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: translateY(6px) scale(.98); } }
.spin { width: 16px; height: 16px; border: 2px solid var(--border2); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- auth screens ---------- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; position: relative; overflow: hidden; }
.auth-wrap::before, .auth-wrap::after { content: ""; position: absolute; width: 520px; height: 520px; border-radius: 50%; filter: blur(110px); opacity: .32; z-index: 0; }
.auth-wrap::before { background: #7c6cff; top: -160px; left: -120px; }
.auth-wrap::after { background: #22d3ee; bottom: -200px; right: -140px; opacity: .2; }
.auth-card { position: relative; z-index: 1; width: min(420px, 100%); background: color-mix(in srgb, var(--surface) 88%, transparent); border: 1px solid var(--border2); border-radius: 20px; padding: 30px 28px; box-shadow: 0 30px 80px rgba(0,0,0,.35); backdrop-filter: blur(10px); }
.auth-card .brand { justify-content: center; padding: 0 0 6px; font-size: 22px; }
.auth-card .lead { text-align: center; color: var(--muted); margin: 0 0 22px; }
.qr { display: block; margin: 6px auto 12px; border-radius: 12px; background: #fff; padding: 8px; width: 200px; height: 200px; }
.secret { text-align: center; font-family: var(--mono); font-size: 13px; background: var(--surface2); padding: 8px; border-radius: 9px; word-break: break-all; margin-bottom: 14px; }
.codes { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 14px; font-family: var(--mono); font-size: 14px; background: var(--surface2); padding: 14px 16px; border-radius: 12px; margin-bottom: 14px; text-align: center; }
.steps { display: flex; gap: 6px; justify-content: center; margin-bottom: 18px; }
.steps i { width: 26px; height: 4px; border-radius: 2px; background: var(--surface3); }
.steps i.on { background: var(--grad); }

/* ---------- responsive ---------- */
@media (max-width: 1200px) { .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g21 { grid-template-columns: 1fr; } }
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: sticky; top: 0; z-index: 50; height: auto; flex-direction: row; align-items: center; padding: 10px 12px; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--border); gap: 2px; }
  .brand { padding: 0 8px 0 0; font-size: 16px; } .brand small { display: none; }
  .nav { display: flex; gap: 2px; } .nav a span { display: none; } .nav a { padding: 9px; }
  .sidebar-foot { margin: 0 0 0 auto; padding: 0; border: 0; } .sidebar-foot .who { display: none; }
  .main { padding: 18px 16px 50px; }
  .g3, .g2 { grid-template-columns: 1fr; }
  .site-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) { .g4 { grid-template-columns: 1fr; } .hide-sm { display: none; } }