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

:root {
  --bg-dark: #0a0e27;
  --bg-card: #151d3b;
  --bg-hover: #1f2847;
  --border: #2a3f5f;
  --text: #e1e8f0;
  --text-dim: #a0aec0;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-teal: #14b8a6;
  --green: #10b981;
  --red: #ef4444;
  --yellow: #f59e0b;
  --purple: #8b5cf6;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-dark);
  color: var(--text);
  line-height: 1.6;
}

html, body {
  height: 100%;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Login */
.login {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.login-box {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(135deg, var(--bg-card) 0%, #1a2449 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem 2rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.login-box h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  text-align: center;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-box p {
  text-align: center;
  color: var(--text-dim);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-form input {
  background: rgba(10, 14, 39, 0.6);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.875rem 1rem;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.login-form input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  background: rgba(10, 14, 39, 0.9);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.login-form button {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: white;
  border: none;
  padding: 1rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 0.5rem;
}

.login-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(6, 182, 212, 0.3);
}

.login-form button:active {
  transform: translateY(0);
}

.error {
  color: var(--red);
  font-size: 0.9rem;
  padding: 0.75rem;
  background: rgba(239, 68, 68, 0.1);
  border-left: 3px solid var(--red);
  border-radius: 4px;
  display: none;
}

.error.show {
  display: block;
}

/* Dashboard */
.dashboard {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.header {
  background: linear-gradient(135deg, rgba(21, 29, 59, 0.8), rgba(26, 36, 73, 0.8));
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex: 1;
}

.header h1 {
  font-size: 1.75rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.system-quick {
  display: flex;
  gap: 2rem;
  font-size: 0.9rem;
}

.system-quick-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.system-quick-label {
  color: var(--text-dim);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.system-quick-value {
  color: var(--text);
  font-weight: 600;
  font-family: 'Courier New', monospace;
}

.logout {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.9rem;
  white-space: nowrap;
}

.logout:hover {
  color: var(--red);
  border-color: var(--red);
  background: rgba(239, 68, 68, 0.05);
}

.content {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card {
  background: linear-gradient(135deg, var(--bg-card), rgba(31, 40, 71, 0.5));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  border-color: var(--accent-cyan);
  background: linear-gradient(135deg, var(--bg-hover), rgba(31, 40, 71, 0.7));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.1);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover::before {
  opacity: 1;
}

.card h2 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card h2::before {
  content: '';
  width: 3px;
  height: 1.2rem;
  background: linear-gradient(180deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 2px;
}

.stat {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(42, 63, 95, 0.5);
}

.stat:last-child {
  border-bottom: none;
}

.stat-label {
  color: var(--text-dim);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stat-value {
  font-weight: 600;
  font-family: 'Courier New', monospace;
  color: var(--text);
  font-size: 0.95rem;
}

.progress-container {
  margin-top: 1rem;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.progress-label-text {
  color: var(--text-dim);
}

.progress-label-percent {
  font-weight: 600;
  font-family: 'Courier New', monospace;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(42, 63, 95, 0.8);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
  transition: width 0.4s ease;
  border-radius: 3px;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-fill.warning {
  background: linear-gradient(90deg, var(--yellow), var(--accent-blue));
}

.progress-fill.danger {
  background: linear-gradient(90deg, var(--red), var(--yellow));
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.5rem;
  animation: pulse 2s infinite;
}

.status-dot.active {
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.status-dot.inactive {
  background: var(--red);
  animation: none;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

.container-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.container-item {
  padding: 0.75rem;
  background: rgba(10, 14, 39, 0.6);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.3s ease;
  text-align: center;
}

.container-item:hover {
  border-color: var(--accent-cyan);
  background: rgba(10, 14, 39, 0.9);
  transform: translateY(-2px);
}

.container-name {
  font-weight: 600;
  color: var(--accent-blue);
  font-size: 0.85rem;
  word-break: break-word;
  margin-bottom: 0.25rem;
}

.container-status {
  font-size: 0.75rem;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.empty-state {
  color: var(--text-dim);
  text-align: center;
  padding: 1.5rem;
  font-style: italic;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* Responsive */
@media (max-width: 768px) {
  .content {
    padding: 1rem;
  }
  
  .grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .system-quick {
    flex-wrap: wrap;
    gap: 1rem;
  }
  
  .container-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
}