:root {
  --bg: #0b0f17;
  --bg-alt: #111827;
  --card: #161f30;
  --border: #263248;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dark: #0284c7;
  --ok: #22c55e;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 15, 23, 0.88);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); font-weight: 700; font-size: 18px; }
.brand-icon {
  width: 34px; height: 34px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800;
}
.brand small { color: var(--muted); font-weight: 500; font-size: 12px; margin-left: 4px; }
.main-nav { display: flex; gap: 28px; }
.main-nav a { color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 500; transition: color .2s; }
.main-nav a:hover { color: var(--text); }
.btn {
  display: inline-block; padding: 10px 18px; border-radius: 8px;
  font-size: 14px; font-weight: 600; text-decoration: none; transition: all .2s;
}
.btn-primary { background: var(--accent-dark); color: #fff; }
.btn-primary:hover { background: var(--accent); color: #0b0f17; }
.btn-outline { border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); }
.btn-ghost { color: var(--muted); }
.btn-ghost:hover { color: var(--text); }
.hero { padding: 72px 0 64px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } .main-nav { display: none; } }
.badge {
  display: inline-block; padding: 5px 12px; border-radius: 999px;
  background: rgba(56, 189, 248, 0.12); color: var(--accent);
  font-size: 12px; font-weight: 600; margin-bottom: 18px;
}
h1 { font-size: 40px; line-height: 1.18; margin-bottom: 18px; letter-spacing: -0.02em; }
.lead { color: var(--muted); font-size: 17px; margin-bottom: 28px; }
.hero-cta { display: flex; gap: 14px; margin-bottom: 36px; flex-wrap: wrap; }
.metrics-row { display: flex; gap: 36px; border-top: 1px solid var(--border); padding-top: 24px; }
.metric strong { display: block; font-size: 22px; color: var(--text); }
.metric span { font-size: 13px; color: var(--muted); }
.hero-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden; box-shadow: 0 20px 40px rgba(0,0,0,0.35);
}
.terminal-header {
  background: #0f1623; padding: 12px 16px; display: flex; align-items: center; gap: 8px;
  border-bottom: 1px solid var(--border);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #22c55e; }
.term-title { color: var(--muted); font-size: 12px; margin-left: 8px; font-family: monospace; }
.terminal-body {
  padding: 20px; font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 12.5px; color: #cbd5e1; overflow-x: auto; line-height: 1.7;
}
.section { padding: 64px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title { font-size: 28px; margin-bottom: 8px; }
.section-sub { color: var(--muted); margin-bottom: 32px; }
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 28px;
}
.card h3 { font-size: 18px; margin-bottom: 10px; color: #fff; }
.card p { color: var(--muted); font-size: 14.5px; }
.spec-table-wrap { overflow-x: auto; margin-top: 24px; }
.spec-table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 10px; overflow: hidden; }
.spec-table th, .spec-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
.spec-table th { background: #0f1623; color: var(--muted); font-weight: 600; }
.status-box {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 24px 28px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.status-pill {
  padding: 8px 16px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: rgba(34, 197, 94, 0.14); color: var(--ok); border: 1px solid rgba(34, 197, 94, 0.3);
}
.site-footer { border-top: 1px solid var(--border); padding: 32px 0; font-size: 13px; color: var(--muted); }
.footer-flex { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--text); }

.hidden { display: none !important; }
.nav-tab.active { color: var(--accent) !important; font-weight: 600; }
.btn-sm { padding: 7px 13px; font-size: 13px; }
.auth-card { max-width: 460px; margin: 40px auto; text-align: center; }
.auth-form { display: flex; gap: 10px; justify-content: center; }
.auth-form input {
  flex: 1; padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: #0b0f17; color: var(--text); font-size: 14px;
}
.auth-err { color: #ef4444; font-size: 13px; margin-top: 10px; }
.dash-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; }
.dash-controls { display: flex; align-items: center; gap: 12px; }
.auto-refresh-lbl { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; cursor: pointer; }
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; margin-bottom: 24px; }
.kpi-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.kpi-label { font-size: 12.5px; color: var(--muted); font-weight: 500; margin-bottom: 6px; }
.kpi-value { font-size: 26px; font-weight: 700; color: #fff; line-height: 1.2; margin-bottom: 4px; }
.kpi-sub { font-size: 12px; color: var(--muted); }
.filter-bar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 14px; margin-bottom: 16px; }
.filter-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.f-pill {
  background: var(--card); border: 1px solid var(--border); color: var(--muted);
  padding: 7px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; cursor: pointer; transition: all .15s;
}
.f-pill:hover, .f-pill.active { background: rgba(56, 189, 248, 0.14); color: var(--accent); border-color: var(--accent); }
.search-wrap { flex: 1; min-width: 260px; max-width: 440px; }
.search-wrap input {
  width: 100%; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--card); color: var(--text); font-size: 13.5px;
}
.table-card, .feed-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.table-scroll { overflow-x: auto; }
.tele-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tele-table th, .tele-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.tele-table th { background: #0f1623; color: var(--muted); font-weight: 600; font-size: 12.5px; white-space: nowrap; }
.tele-table tr:hover { background: rgba(255,255,255,0.02); }
.st-badge { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.st-online { background: rgba(34, 197, 94, 0.14); color: #4ade80; }
.st-idle { background: rgba(245, 158, 11, 0.14); color: #fbbf24; }
.st-offline { background: rgba(148, 163, 184, 0.12); color: #94a3b8; }
.ip-mono { font-family: "SFMono-Regular", Consolas, monospace; font-weight: 600; color: #f8fafc; font-size: 13px; }
.isp-sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.mob-tag { display: inline-block; padding: 1px 6px; border-radius: 4px; font-size: 11px; background: rgba(56, 189, 248, 0.15); color: var(--accent); margin-left: 5px; }
.target-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.t-tag {
  display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 11.5px;
  background: #0f1623; border: 1px solid var(--border); color: #cbd5e1;
}
.t-tag b { color: var(--accent); margin-left: 3px; }
.recent-sub { font-size: 11.5px; color: var(--muted); margin-top: 6px; font-family: monospace; word-break: break-all; }
.feed-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.feed-header h3 { font-size: 16px; }
.feed-badge { font-size: 12px; color: var(--muted); }
.feed-list { max-height: 360px; overflow-y: auto; padding: 12px 20px; font-family: "SFMono-Regular", Consolas, monospace; font-size: 12.5px; }
.feed-row { padding: 6px 0; border-bottom: 1px dashed rgba(255,255,255,0.06); display: flex; gap: 12px; flex-wrap: wrap; }
.feed-time { color: var(--muted); }
.feed-ip { color: #38bdf8; font-weight: 600; min-width: 130px; }
.feed-geo { color: #94a3b8; min-width: 180px; }
.feed-dest { color: #e2e8f0; }

button.btn { background: transparent; cursor: pointer; font-family: inherit; border: none; }
button.btn-primary { background: var(--accent-dark); color: #fff; }
button.btn-outline { background: rgba(22, 31, 48, 0.8); border: 1px solid var(--border); color: var(--text); }
button.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
button.btn-ghost { background: transparent; color: var(--muted); }
button.btn-ghost:hover { color: var(--text); }

.user-create-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.user-create-form input {
  padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: #0b0f17; color: var(--text); font-size: 13px; min-width: 190px;
}
.user-badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px;
  border-radius: 6px; font-size: 12.5px; font-weight: 600;
  background: rgba(56, 189, 248, 0.14); color: var(--accent); border: 1px solid rgba(56, 189, 248, 0.3);
}
.btn-danger { background: rgba(239, 68, 68, 0.14) !important; color: #f87171 !important; border: 1px solid rgba(239, 68, 68, 0.3) !important; }
.btn-danger:hover { background: rgba(239, 68, 68, 0.28) !important; }
.action-btns { display: flex; gap: 6px; flex-wrap: wrap; }
.link-preview-box {
  background: #0f1623; border-bottom: 1px solid var(--border); padding: 18px 20px;
}
.link-preview-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; color: var(--accent); }
.lp-row { margin-bottom: 10px; }
.lp-lbl { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.lp-input-group { display: flex; gap: 8px; align-items: flex-start; }
.lp-input-group input, .lp-input-group textarea {
  flex: 1; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: #0b0f17; color: #e2e8f0; font-family: "SFMono-Regular", Consolas, monospace; font-size: 12px;
}