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

body {
  background: #0a0a0a;
  color: #e0e0e0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: #6366f1; text-decoration: none; }
a:hover { text-decoration: underline; }

.logo {
  color: #6366f1;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid #1a1a1a;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.username {
  color: #888;
  font-size: 0.875rem;
}

/* SSE Connection Indicator */
.sse-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: #111;
  border: 1px solid #222;
}

.sse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.sse-dot-connected {
  background: #22c55e;
  box-shadow: 0 0 4px #22c55e;
}

.sse-dot-disconnected {
  background: #ef4444;
  box-shadow: 0 0 4px #ef4444;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid #333;
  border-radius: 6px;
  background: #1a1a1a;
  color: #e0e0e0;
  font-size: 0.875rem;
  cursor: pointer;
  text-align: center;
}

.btn:hover { background: #252525; text-decoration: none; }

.btn-sm { padding: 0.25rem 0.75rem; font-size: 0.8rem; }

.btn-danger { border-color: #dc2626; color: #dc2626; }
.btn-danger:hover { background: #dc2626; color: #fff; }

.btn-success { border-color: #22c55e; color: #22c55e; }
.btn-success:hover { background: #22c55e; color: #000; }

.btn-warning { border-color: #f59e0b; color: #f59e0b; }
.btn-warning:hover { background: #f59e0b; color: #000; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn:disabled:hover { background: #1a1a1a; }

/* Badges */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-external {
  background: #1a1a2e;
  border: 1px solid #6366f1;
  color: #818cf8;
}

.badge-error {
  background: #1a0505;
  border: 1px solid #dc2626;
  color: #f87171;
}

/* Cards */
.card {
  background: #111;
  border: 1px solid #222;
  border-radius: 8px;
  padding: 1.5rem;
}

/* Login */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  width: 100%;
  max-width: 400px;
}

.login-card .logo {
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 2rem;
}

.login-card h2 {
  margin-bottom: 1rem;
}

.login-card form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

label {
  font-size: 0.875rem;
  color: #888;
  margin-top: 0.5rem;
}

input[type="text"],
input[type="password"] {
  background: #0a0a0a;
  border: 1px solid #333;
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
  color: #e0e0e0;
  font-size: 1rem;
}

input:focus {
  outline: none;
  border-color: #6366f1;
}

.login-card button[type="submit"] {
  margin-top: 1rem;
  padding: 0.6rem;
  background: #6366f1;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
}

.login-card button[type="submit"]:hover {
  background: #4f46e5;
}

.error {
  background: #1a0505;
  border: 1px solid #dc2626;
  color: #f87171;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
}

.success {
  background: #051a05;
  border: 1px solid #16a34a;
  color: #4ade80;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
}

/* Dashboard grid */
main {
  padding: 2rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .grid { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; gap: 0.75rem; }
}

.status-card .card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.status-card h2 {
  font-size: 1.1rem;
  font-weight: 600;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

.dot-up { background: #22c55e; }
.dot-slow { background: #f59e0b; }
.dot-down { background: #ef4444; }

.card-body p {
  font-size: 0.9rem;
  color: #aaa;
  margin-bottom: 0.25rem;
}

.card-body strong, .card-body span {
  color: #e0e0e0;
}

/* Response time color coding */
.rt-fast { color: #22c55e !important; font-weight: 600; }
.rt-medium { color: #f59e0b !important; font-weight: 600; }
.rt-slow { color: #ef4444 !important; font-weight: 600; }

.last-checked {
  font-size: 0.8rem !important;
  color: #666 !important;
}

.card-footer {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #222;
}