:root {
  --bg: #050f1a;
  --bg-alt: #0d1f30;
  --card: rgba(13, 31, 48, 0.85);
  --card-border: rgba(255, 255, 255, 0.07);
  --accent: #2df3c8;
  --accent-strong: #2d9df3;
  --text: #f5fbff;
  --text-muted: rgba(245, 251, 255, 0.7);
  --danger: #ff5f6d;
  --success: #5ef38c;
  font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
}

.timeline {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.timeline li {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.timeline li.active {
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(45, 243, 200, 0.35);
}

.log-stream {
  margin-top: 20px;
  min-height: 180px;
  max-height: 260px;
  overflow-y: auto;
  border-radius: 16px;
  border: 1px solid var(--card-border);
  background: rgba(0, 0, 0, 0.25);
  padding: 16px;
  font-family: 'Space Grotesk', 'Segoe UI', sans-serif;
  font-size: 0.9rem;
  color: var(--text-muted);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top left, #112743 0%, #050f1a 55%);
  color: var(--text);
  min-height: 100vh;
}

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

a:hover {
  text-decoration: underline;
}

header {
  padding: 40px 7vw 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.brand .logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
}

header p {
  color: var(--text-muted);
  margin: 0.3rem 0 0;
}

.cta-actions {
  display: flex;
  gap: 12px;
}

button,
.btn {
  border: none;
  border-radius: 999px;
  padding: 0.85rem 1.8rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  background: var(--accent);
  color: #04101f;
}

button.secondary,
.btn.secondary {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text);
}

button:hover,
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(45, 243, 200, 0.2);
}

main {
  padding: 0 7vw 80px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.grid {
  display: grid;
  gap: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(16px);
}

.card h2,
.card h3 {
  margin-top: 0;
  letter-spacing: 0.02em;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background: rgba(45, 243, 200, 0.12);
  color: var(--accent);
  font-size: 0.9rem;
}

.chat-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  align-items: start;
}

.chat-panel form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-panel textarea {
  min-height: 140px;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font-size: 1rem;
  padding: 14px;
  resize: vertical;
}

.input-group {
  display: flex;
  gap: 12px;
}

.input-group input {
  flex: 1;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  padding: 12px;
}

.chat-response {
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  min-height: 120px;
  color: var(--text-muted);
}

.section-title {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.status-card ul,
.list-clean {
  list-style: none;
  padding: 0;
  margin: 0;
}

.status-card li {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  color: var(--text-muted);
}

.progress {
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  margin-top: 12px;
  overflow: hidden;
}

.progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.charts-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}

.metric {
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border);
}

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

.metric strong {
  font-size: 1.4rem;
}

.alert-list li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 10px 0;
}

.alert-list li:last-child {
  border-bottom: none;
}

.alert {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  font-size: 0.85rem;
}

.alert.danger {
  background: rgba(255, 95, 109, 0.15);
  color: var(--danger);
}

.alert.success {
  background: rgba(94, 243, 140, 0.15);
  color: var(--success);
}

.table-scroll {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  color: var(--text-muted);
}

table th,
table td {
  padding: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

table th {
  color: var(--text);
  text-align: left;
  font-size: 0.85rem;
  text-transform: uppercase;
}

footer {
  text-align: center;
  padding: 40px 0 60px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.text-muted {
  color: var(--text-muted);
}

/* Model Cards */
.model-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.3s ease;
}

.model-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.model-card h4 {
  margin: 0 0 12px 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.model-card p {
  margin: 0 0 16px 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.model-stats {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
}

.model-stats span {
  color: var(--text-muted);
}

.model-stats strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Metrics Panel */
.metrics-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.metric-group h5 {
  margin: 0 0 12px 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.metric-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.metric-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.metric-item:last-child {
  border-bottom: none;
}

.metric-item span {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.metric-item strong {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
}

/* Configuration Panel */
.config-panel {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.config-section h5 {
  margin: 0 0 16px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.config-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.config-item label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.config-item input[type="number"] {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.config-item input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.08);
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 8px 0;
  transition: all 0.2s ease;
}

.checkbox-item:hover {
  background: rgba(255, 255, 255, 0.02);
}

.checkbox-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.checkbox-item span {
  color: var(--text-primary);
  font-size: 0.9rem;
  line-height: 1.4;
}

/* Enhanced Timeline */
.timeline li[data-step="evaluate"] {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.timeline li[data-step="evaluate"]:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

.timeline li[data-step="evaluate"] span {
  font-weight: 600;
  color: var(--text-primary);
}

.timeline li[data-step="evaluate"] small {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* API Documentation Styles */
.api-endpoint {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.api-endpoint:last-child {
  border-bottom: none;
}

.api-endpoint h3 {
  margin: 0 0 12px 0;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--accent);
}

.api-endpoint h4 {
  margin: 24px 0 12px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.api-endpoint p {
  margin: 0 0 16px 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.api-endpoint pre {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  margin: 12px 0;
}

.api-endpoint code {
  color: #a6e22e;
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  line-height: 1.5;
}

.api-endpoint ul {
  margin: 12px 0;
  padding-left: 24px;
}

.api-endpoint ul li {
  margin: 8px 0;
  color: var(--text-muted);
  line-height: 1.6;
}

.api-endpoint ul li code {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent);
  font-size: 0.85rem;
}

/* Inline code */
code {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent);
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .model-stats {
    flex-direction: column;
    gap: 8px;
  }
  
  .config-grid {
    grid-template-columns: 1fr;
  }
  
  .metric-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
  
  .api-endpoint pre {
    font-size: 0.8rem;
  }
}

@media (max-width: 768px) {
  header,
  main {
    padding-left: 20px;
    padding-right: 20px;
  }

  .input-group {
    flex-direction: column;
  }
}