:root {
  --bg-dark: #0a0e17;
  --bg-card: rgba(18, 26, 41, 0.75);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.15);

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --accent-green: #10b981;
  --accent-green-glow: rgba(16, 185, 129, 0.25);
  --accent-red: #ef4444;
  --accent-red-glow: rgba(239, 68, 68, 0.25);
  --accent-blue: #3b82f6;

  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 2rem 1rem;
  position: relative;
  overflow-x: hidden;
}

/* Background Ambient Glow */
.background-glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(10, 14, 23, 0) 70%);
  z-index: 0;
  pointer-events: none;
}

.dashboard-container {
  width: 100%;
  max-width: 1000px;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Header */
.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-icon {
  font-size: 2rem;
}

.brand h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

/* Metrics Row */
.metrics-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.metric-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.metric-icon {
  font-size: 1.8rem;
  background: rgba(255, 255, 255, 0.05);
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.metric-info {
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-blue);
}

/* Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
}

.status-badge.online {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.offline {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-muted);
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.status-badge.online .badge-dot {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.4); opacity: 0.5; }
  100% { transform: scale(1); opacity: 1; }
}

/* Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 768px) {
  .metrics-row, .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Hero Card (Door Status) */
.hero-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  transition: all 0.4s ease;
}

.hero-card.closed {
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: 0 10px 30px var(--accent-green-glow);
}

.hero-card.open {
  border-color: rgba(239, 68, 68, 0.5);
  box-shadow: 0 10px 35px var(--accent-red-glow);
}

.device-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

.hero-top h2 {
  font-size: 1.5rem;
  margin-top: 0.2rem;
}

.state-display {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.25rem;
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease;
}

.door-graphic {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.hero-card.closed .door-graphic {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-green);
}

.hero-card.open .door-graphic {
  background: rgba(239, 68, 68, 0.2);
  color: var(--accent-red);
}

.state-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  display: block;
}

.hero-card.closed .state-title { color: var(--accent-green); }
.hero-card.open .state-title { color: var(--accent-red); }

.state-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hero-footer {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-card);
  font-size: 0.85rem;
}

.meta-item {
  display: flex;
  justify-content: space-between;
}

.meta-label { color: var(--text-muted); }
.meta-value { font-weight: 600; color: var(--text-main); }
.meta-value.ws-status { color: var(--accent-blue); }

/* Activity Timeline */
.timeline-card {
  display: flex;
  flex-direction: column;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-card);
  margin-bottom: 1rem;
}

.card-header h3 {
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.count-badge {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  color: var(--text-muted);
}

.timeline-body {
  max-height: 260px;
  overflow-y: auto;
  padding-right: 0.2rem;
}

.activity-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.activity-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.65rem 0.9rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 12px;
  border-left: 4px solid var(--text-muted);
  font-size: 0.9rem;
  animation: fadeIn 0.4s ease;
}

.activity-item.open {
  border-left-color: var(--accent-red);
}

.activity-item.closed {
  border-left-color: var(--accent-green);
}

.activity-time {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.activity-badge {
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}

.activity-item.open .activity-badge {
  background: rgba(239, 68, 68, 0.2);
  color: var(--accent-red);
}

.activity-item.closed .activity-badge {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-green);
}

.empty-state {
  text-align: center;
  padding: 2rem;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* Debug Section */
.debug-card {
  margin-top: 0.5rem;
}

.debug-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-refresh {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
  padding: 0.5rem 0.9rem;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-refresh:hover {
  background: rgba(59, 130, 246, 0.3);
  transform: translateY(-1px);
}

.debug-selectors {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.field-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.form-select {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  font-family: var(--font-sans);
  outline: none;
}

.code-badge {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.08);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  color: var(--accent-blue);
}

.code-viewer {
  background: #05080e;
  border: 1px solid var(--border-card);
  border-radius: 12px;
  padding: 1rem;
  max-height: 280px;
  overflow-y: auto;
}

.code-viewer pre {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #a5f3fc;
  white-space: pre-wrap;
  word-break: break-all;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}