:root {
  --bg-primary: #0a0f1a;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --fg-primary: #f1f5f9;
  --fg-secondary: #94a3b8;
  --accent: #22d3ee;
  --accent-dim: #06b6d4;
  --danger: #f87171;
  --success: #4ade80;
  --warning: #fbbf24;
  --border: #374151;
  --radius: 12px;
  --transition: all 0.2s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--fg-primary);
  line-height: 1.5;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button {
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
}

/* Layout */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  z-index: 100;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.header {
  height: 64px;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  position: sticky;
  top: 0;
  z-index: 50;
}

.page-container {
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Components */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 500;
  border: 1px solid transparent;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--accent);
  color: #000;
}
.btn-primary:hover {
  background-color: var(--accent-dim);
}

.btn-ghost {
  background-color: transparent;
  color: var(--fg-secondary);
  border-color: var(--border);
}
.btn-ghost:hover {
  background-color: var(--bg-tertiary);
  color: var(--fg-primary);
}

.btn-danger {
  background-color: transparent;
  color: var(--danger);
  border-color: var(--border);
}
.btn-danger:hover {
  background-color: rgba(248, 113, 113, 0.1);
}

.input {
  width: 100%;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  color: var(--fg-primary);
  font-size: 0.9rem;
  transition: var(--transition);
}
.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.2);
}

.badge {
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-success { background: rgba(74, 222, 128, 0.1); color: var(--success); }
.badge-danger { background: rgba(248, 113, 113, 0.1); color: var(--danger); }

.table-container {
  overflow-x: auto;
  margin-top: 1rem;
}
table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
th {
  padding: 1rem;
  color: var(--fg-secondary);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Sidebar Nav */
.nav-list {
  list-style: none;
  padding: 1rem;
}
.nav-item {
  margin-bottom: 0.5rem;
}
.nav-link {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  color: var(--fg-secondary);
  font-weight: 500;
}
.nav-link:hover {
  background-color: var(--bg-tertiary);
  color: var(--fg-primary);
}
.nav-link.active {
  background-color: rgba(34, 211, 238, 0.1);
  color: var(--accent);
}

/* Login Page */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}
.login-card {
  width: 100%;
  max-width: 400px;
  text-align: center;
}
.login-header h2 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}
.login-header p {
  color: var(--fg-secondary);
  margin-bottom: 2rem;
}

/* Logs Terminal */
.terminal {
  background-color: #000;
  color: #4ade80;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  padding: 1.5rem;
  border-radius: var(--radius);
  height: 500px;
  overflow-y: auto;
  border: 1px solid var(--border);
  box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
}
.terminal-line {
  margin-bottom: 0.25rem;
  font-size: 0.85rem;
  opacity: 0.9;
}

/* Utility */
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.grid-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}
.stat-card {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.stat-label { color: var(--fg-secondary); font-size: 0.875rem; }
.stat-value { font-size: 1.5rem; font-weight: 700; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -260px;
    height: 100%;
  }
  .sidebar.open {
    left: 0;
  }
}