@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --bg:        #060912;
  --bg2:       #0c1020;
  --bg3:       #111827;
  --bg4:       #1a2235;
  --border:    #1a2740;
  --border2:   #243552;

  --cyan:      #00d4ff;
  --violet:    #8b5cf6;
  --teal:      #06b6d4;
  --indigo:    #6366f1;
  --rose:      #f43f5e;
  --amber:     #f59e0b;
  --emerald:   #10b981;

  --text:      #e2e8f0;
  --text2:     #94a3b8;
  --text3:     #475569;

  --online:    #10b981;
  --offline:   #f43f5e;
  --unknown:   #475569;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 13px;
  line-height: 1.5;
}

/* Global subtle grid + gradient bg */
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}
body::after {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(ellipse 70% 50% at 10% 0%, rgba(99,102,241,0.10) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 90% 100%, rgba(0,212,255,0.07) 0%, transparent 55%);
}

/* ── NAV ──────────────────────────────────────── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(6,9,18,0.88);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(99,102,241,0.12);
  display: flex; align-items: center;
  padding: 0 28px; height: 56px; gap: 4px;
}

.nav-brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; margin-right: 20px;
}

.nav-logo-svg {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 9px;
  padding: 2px;
  transition: background 0.2s, border-color 0.2s;
}
.nav-brand:hover .nav-logo-svg {
  background: rgba(99,102,241,0.18);
  border-color: rgba(99,102,241,0.4);
}

.nav-brand-text {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700; font-size: 16px; color: var(--text);
  letter-spacing: -0.3px;
}
.nav-brand-text span {
  background: linear-gradient(135deg, #00d4ff, #8b5cf6);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

nav a.nav-link {
  color: var(--text3); text-decoration: none;
  font-size: 13px; font-weight: 500;
  padding: 6px 12px; border-radius: 8px;
  transition: all 0.15s; letter-spacing: 0.1px;
}
nav a.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.04); }
nav a.nav-link.active {
  color: var(--cyan);
  background: rgba(0,212,255,0.08);
}

.nav-spacer { flex: 1; }
.nav-user { display: flex; align-items: center; gap: 12px; }
.nav-username {
  color: var(--text3); font-size: 12px; font-weight: 500;
}

/* Top accent line on nav */
nav::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(99,102,241,0.4) 30%, rgba(0,212,255,0.4) 70%, transparent 100%);
}

/* ── LAYOUT ─────────────────────────────────── */
main { padding: 32px 36px; max-width: 1440px; position: relative; z-index: 1; }

.page-header { margin-bottom: 28px; }
.page-header h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px; font-weight: 700; letter-spacing: -0.5px;
  margin-bottom: 4px;
}
.page-subtitle { color: var(--text2); font-size: 13px; }

/* ── STATS ──────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px; margin-bottom: 32px;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px; padding: 20px;
  position: relative; overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.stat-card:hover {
  border-color: rgba(99,102,241,0.3);
  box-shadow: 0 0 24px rgba(99,102,241,0.08);
}
.stat-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--indigo), var(--cyan));
  opacity: 0.7;
}
.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px; font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; line-height: 1;
}
.stat-label {
  color: var(--text3); font-size: 11px; font-weight: 500;
  letter-spacing: 0.5px; text-transform: uppercase; margin-top: 8px;
}

/* ── CARDS ──────────────────────────────────── */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px; font-weight: 600;
}

/* ── FILTER BAR ─────────────────────────────── */
.filter-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 20px; border-bottom: 1px solid var(--border);
  background: rgba(6,9,18,0.4); flex-wrap: wrap;
}
.filter-bar input, .filter-bar select {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 7px; color: var(--text);
  padding: 6px 11px; font-family: 'Inter', sans-serif;
  font-size: 12px; transition: border-color 0.15s;
  outline: none;
}
.filter-bar input { min-width: 200px; }
.filter-bar input:focus, .filter-bar select:focus {
  border-color: rgba(99,102,241,0.5);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.08);
}
.filter-count { color: var(--text3); font-size: 11px; margin-left: auto; }

/* ── TABLES ─────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
  padding: 10px 16px; text-align: left;
  font-size: 10px; font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text3);
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
tbody td {
  padding: 11px 16px; border-bottom: 1px solid rgba(26,39,64,0.6);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background 0.1s; }
tbody tr:hover td { background: rgba(99,102,241,0.03); }
tbody tr.hidden-row { display: none; }

/* ── BADGES ─────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 8px; border-radius: 4px;
  font-size: 10px; font-weight: 600; letter-spacing: 0.5px;
  text-transform: uppercase;
}
.badge-dot { width: 5px; height: 5px; border-radius: 50%; }
.badge-online  { background: rgba(16,185,129,0.12); color: var(--online); }
.badge-online .badge-dot  { background: var(--online); box-shadow: 0 0 5px var(--online); animation: blink 2s infinite; }
.badge-offline { background: rgba(244,63,94,0.12); color: var(--offline); }
.badge-offline .badge-dot { background: var(--offline); }
.badge-unknown { background: rgba(71,85,105,0.2); color: var(--text3); }
.badge-unknown .badge-dot { background: var(--text3); }

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ── BUTTONS ────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 8px;
  font-family: 'Inter', sans-serif; font-size: 13px; font-weight: 500;
  cursor: pointer; border: none; text-decoration: none;
  transition: all 0.15s; white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--indigo), var(--cyan));
  color: #fff;
  box-shadow: 0 2px 16px rgba(99,102,241,0.3);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 20px rgba(99,102,241,0.4); }
.btn-secondary { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: rgba(99,102,241,0.4); color: var(--cyan); }
.btn-danger { background: rgba(244,63,94,0.10); color: var(--rose); border: 1px solid rgba(244,63,94,0.2); }
.btn-danger:hover { background: rgba(244,63,94,0.18); }
.btn-ghost { background: transparent; color: var(--text2); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--cyan); border-color: rgba(99,102,241,0.4); }
.btn-sm { padding: 5px 10px; font-size: 11px; border-radius: 6px; }
.btn-xs { padding: 3px 8px; font-size: 10px; border-radius: 4px; }

/* ── FORMS ──────────────────────────────────── */
.form-grid   { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.form-group  { display: flex; flex-direction: column; gap: 6px; }
label {
  font-size: 11px; font-weight: 500; letter-spacing: 0.5px;
  text-transform: uppercase; color: var(--text2);
}
input, select, textarea {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text);
  padding: 9px 12px; font-family: 'Inter', sans-serif; font-size: 13px;
  transition: border-color 0.15s, box-shadow 0.15s; outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: rgba(99,102,241,0.5);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.08);
}
select option { background: var(--bg2); }

/* ── MODAL ──────────────────────────────────── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.75); backdrop-filter: blur(6px);
  z-index: 200; align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--bg2);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: 16px; padding: 32px;
  width: 520px; max-width: 95vw;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.03) inset;
  animation: modalIn 0.2s ease;
  position: relative; overflow: hidden;
}
.modal::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99,102,241,0.5), rgba(0,212,255,0.5), transparent);
}
@keyframes modalIn { from { transform: translateY(10px); opacity: 0; } }
.modal-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px; font-weight: 700; margin-bottom: 6px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.modal-sub { color: var(--text2); font-size: 12px; margin-bottom: 24px; }

/* ── LAYOUT HELPERS ─────────────────────────── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }

/* ── API KEY ────────────────────────────────── */
.api-key-display {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 10px;
}
.api-key-val {
  font-family: 'Space Grotesk', monospace;
  font-size: 11px; color: var(--cyan); letter-spacing: 0.5px;
  flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ── CHART ──────────────────────────────────── */
.chart-container { padding: 20px; }

/* ── BATTERY BAR ────────────────────────────── */
.battery-bar { display: inline-flex; align-items: center; gap: 6px; }
.battery-track {
  width: 38px; height: 14px;
  background: var(--bg3); border: 1px solid var(--border2);
  border-radius: 3px; overflow: hidden; position: relative;
}
.battery-fill { height: 100%; border-radius: 2px; transition: width 0.3s; }

/* ── ALERTS ─────────────────────────────────── */
.alert {
  padding: 10px 16px; border-radius: 8px;
  font-size: 12px; margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.alert-error {
  background: rgba(244,63,94,0.08);
  border: 1px solid rgba(244,63,94,0.25);
  color: var(--rose);
}

/* ── UTILS ──────────────────────────────────── */
.mono { font-family: 'Space Grotesk', monospace; font-size: 12px; }
.muted { color: var(--text2); }
.dim   { color: var(--text3); }

/* ── SCROLLBAR ──────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border2); }