:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #121826;
  --bg-card: #182234;
  --border-color: #233048;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-hover: #0ea5e9;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

header {
  background-color: rgba(18, 24, 38, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.logo-badge {
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  color: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn-primary {
  background-color: var(--accent);
  color: #041226;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
}

.btn-outline {
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

main {
  flex: 1;
  padding: 40px 0;
}

.hero {
  text-align: center;
  padding: 40px 0 60px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  background-color: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  color: var(--accent);
  font-size: 0.85rem;
  margin-bottom: 20px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  background: linear-gradient(to right, #f8fafc, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 30px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 24px;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metric-val {
  font-size: 1.9rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--accent);
  margin-bottom: 4px;
}

.metric-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.table-wrap {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  text-align: left;
}

th, td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: var(--bg-secondary);
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

tr:last-child td {
  border-bottom: none;
}

.status-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
}

.status-online {
  background-color: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

footer {
  border-top: 1px solid var(--border-color);
  padding: 24px 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
  background-color: var(--bg-secondary);
}

/* Auth Portal Form */
.login-box {
  max-width: 420px;
  margin: 60px auto;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 36px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-header h2 {
  font-size: 1.5rem;
  margin-top: 12px;
  font-weight: 700;
}

.login-header p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-top: 4px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: #cbd5e1;
}

.form-input {
  width: 100%;
  padding: 11px 14px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus {
  border-color: var(--accent);
}

.alert {
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 0.88rem;
  margin-bottom: 20px;
  border: 1px solid;
  line-height: 1.4;
}

.alert-danger {
  background-color: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.d-none {
  display: none !important;
}