:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-card: #222533;
  --bg-input: #2a2d3a;
  --text-primary: #e4e6ed;
  --text-secondary: #8b8fa3;
  --text-muted: #5a5e72;
  --accent: #6c63ff;
  --accent-hover: #7b73ff;
  --green: #4ade80;
  --yellow: #fbbf24;
  --red: #f87171;
  --blue: #60a5fa;
  --border: #2e3144;
  --radius: 12px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

/* Login */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1rem;
}

.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  width: 100%;
  max-width: 380px;
}

.login-box h1 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
}

.login-box p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus {
  border-color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: white;
  width: 100%;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.login-error {
  color: var(--red);
  font-size: 0.85rem;
  margin-top: 0.75rem;
  min-height: 1.2em;
}

/* Dashboard */
.dashboard { display: none; }

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header h1 {
  font-size: 1.1rem;
  font-weight: 600;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  animation: pulse 2s infinite;
}

.status-dot.connected { background: var(--green); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

.header-right span {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.main {
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}

.tab {
  padding: 0.6rem 1.2rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all 0.2s;
}

.tab:hover { color: var(--text-primary); }
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* Metric cards grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.card-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.card-value {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
}

.card-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* CPU Cores */
.cores-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.core-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
}

.core-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.core-bar-track {
  height: 6px;
  background: var(--bg-input);
  border-radius: 3px;
  overflow: hidden;
}

.core-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--accent);
  transition: width 0.5s ease;
}

.core-percent {
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 0.3rem;
}

/* Process table */
.section-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.process-tables {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.process-table {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.process-table table {
  width: 100%;
  border-collapse: collapse;
}

.process-table th {
  text-align: left;
  padding: 0.6rem 0.8rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.process-table td {
  padding: 0.5rem 0.8rem;
  font-size: 0.82rem;
  border-bottom: 1px solid var(--border);
}

.process-table tr:last-child td { border-bottom: none; }

/* Network */
.net-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* Ollama Panel */
.ollama-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.ollama-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.ollama-status .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

/* Test area */
.test-area {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.test-area h3 {
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.test-area textarea {
  width: 100%;
  min-height: 100px;
  padding: 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  resize: vertical;
  outline: none;
  margin-bottom: 0.75rem;
}

.test-area textarea:focus { border-color: var(--accent); }

/* Selectable model cards */
.model-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
  user-select: none;
}

.model-card:hover {
  border-color: var(--text-muted);
}

.model-card.selected {
  border-color: var(--accent);
  background: rgba(108, 99, 255, 0.08);
}

.model-card .model-check {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s;
  font-size: 0.7rem;
  color: transparent;
  margin-left: auto;
}

.model-card.selected .model-check {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.model-card .model-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.model-card .model-info h3 {
  font-size: 0.9rem;
  font-weight: 600;
}

.model-card .model-info p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.test-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Results */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1rem;
}

.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.result-header {
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.result-header h4 {
  font-size: 0.85rem;
  font-weight: 600;
}

.result-status {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.result-status.running {
  background: rgba(251, 191, 36, 0.15);
  color: var(--yellow);
}

.result-status.done {
  background: rgba(74, 222, 128, 0.15);
  color: var(--green);
}

.result-status.error {
  background: rgba(248, 113, 113, 0.15);
  color: var(--red);
}

.result-status.waiting {
  background: rgba(90, 94, 114, 0.15);
  color: var(--text-muted);
}

.result-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-bottom: 1px solid var(--border);
}

.result-metric {
  padding: 0.6rem 0.75rem;
  border-right: 1px solid var(--border);
  text-align: center;
}

.result-metric:last-child { border-right: none; }

.result-metric .label {
  font-size: 0.65rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
}

.result-metric .value {
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 0.1rem;
}

.result-body {
  padding: 1rem;
  max-height: 300px;
  overflow-y: auto;
}

.result-body pre {
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.82rem;
  line-height: 1.5;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  color: var(--text-primary);
}

.result-body .cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--accent);
  animation: blink 1s infinite;
  vertical-align: text-bottom;
}

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

/* Spinner */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Color helpers */
.text-green { color: var(--green); }
.text-yellow { color: var(--yellow); }
.text-red { color: var(--red); }
.text-blue { color: var(--blue); }

/* Responsive */
@media (max-width: 768px) {
  .process-tables, .net-cards {
    grid-template-columns: 1fr;
  }
  .results-grid {
    grid-template-columns: 1fr;
  }
  .result-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .result-metric:nth-child(2) { border-right: none; }
}

/* Charts */
.charts-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.chart-card {
  padding: 1rem;
}

.chart-card canvas {
  width: 100% !important;
  max-height: 220px;
}

/* History */
.history-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.history-range {
  display: flex;
  gap: 0.35rem;
}

.range-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

#ollamaHistoryTable {
  overflow-x: auto;
}

#ollamaHistoryTable table {
  min-width: 700px;
}

/* Responsive */
@media (max-width: 768px) {
  .process-tables, .net-cards, .charts-row {
    grid-template-columns: 1fr;
  }
  .results-grid {
    grid-template-columns: 1fr;
  }
  .result-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .result-metric:nth-child(2) { border-right: none; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }