/* =====================================================================
   MedGemma-Micro Modern Medical Dark UI Design System
   ===================================================================== */

:root {
  --bg-primary: #070a12;
  --bg-secondary: #0d121f;
  --bg-card: rgba(16, 23, 38, 0.7);
  --bg-card-hover: rgba(22, 32, 54, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-active: rgba(0, 240, 255, 0.4);
  
  --accent-cyan: #00f0ff;
  --accent-cyan-glow: rgba(0, 240, 255, 0.25);
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.25);
  --accent-crimson: #ff4757;
  --accent-crimson-glow: rgba(255, 71, 87, 0.3);
  --accent-amber: #ffa502;
  --accent-amber-glow: rgba(255, 165, 2, 0.25);
  --accent-purple: #8b5cf6;
  
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  --shadow-card: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glass-blur: blur(12px);
  --transition-smooth: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 240, 255, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(255, 71, 87, 0.03) 0%, transparent 40%);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Layout Container */
.app-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 1720px;
  margin: 0 auto;
  padding: 12px 20px;
  gap: 14px;
}

/* Top Navigation Bar */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-pulse {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(255, 71, 87, 0.15));
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: var(--radius-md);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
  animation: heartPulse 2.4s infinite ease-in-out;
}

@keyframes heartPulse {
  0%, 100% { transform: scale(1); opacity: 0.9; }
  14% { transform: scale(1.1); opacity: 1; }
  28% { transform: scale(1); opacity: 0.9; }
  42% { transform: scale(1.15); opacity: 1; }
  70% { transform: scale(1); opacity: 0.9; }
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #ffffff 40%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Telemetry HUD Badges */
.telemetry-hud {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hud-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.hud-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

.hud-label {
  color: var(--text-muted);
  font-size: 0.68rem;
  font-weight: 600;
}

.hud-val {
  color: var(--text-primary);
  font-weight: 600;
}

.hud-val.highlight {
  color: var(--accent-emerald);
}

.hud-sub {
  color: var(--text-muted);
  font-size: 0.65rem;
}

.text-cyan { color: var(--accent-cyan) !important; }
.text-emerald { color: var(--accent-emerald) !important; }
.text-crimson { color: var(--accent-crimson) !important; }

/* Main Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 14px;
  flex: 1;
  min-height: 0;
}

/* Panel Common Styles */
.panel {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px 10px 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.panel-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
}

.panel-caption {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Rhythm Status Badge */
.rhythm-status-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 30px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-emerald);
  transition: var(--transition-smooth);
}

.rhythm-status-badge.badge-afib {
  background: rgba(255, 71, 87, 0.12);
  border-color: rgba(255, 71, 87, 0.4);
  color: var(--accent-crimson);
}

.rhythm-status-badge.badge-tachy {
  background: rgba(255, 165, 2, 0.12);
  border-color: rgba(255, 165, 2, 0.4);
  color: var(--accent-amber);
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
  animation: blinkDot 1s infinite alternate;
}

@keyframes blinkDot {
  0% { opacity: 0.4; }
  100% { opacity: 1; }
}

/* Oscilloscope Container */
.oscilloscope-container {
  position: relative;
  width: 100%;
  height: 200px;
  background: #04070d;
  margin: 12px 18px 0 18px;
  width: calc(100% - 36px);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 240, 255, 0.2);
  box-shadow: inset 0 0 25px rgba(0, 0, 0, 0.9), 0 0 15px rgba(0, 240, 255, 0.05);
  overflow: hidden;
}

.scope-grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(0, 240, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 240, 255, 0.06) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

#ppg-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.scope-hud {
  position: absolute;
  bottom: 6px;
  left: 10px;
  right: 10px;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(0, 240, 255, 0.6);
  pointer-events: none;
}

/* Scope Controls */
.scope-controls {
  padding: 12px 18px 0 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.control-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.control-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.condition-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 0.74rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.chip:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.chip.active {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--accent-cyan);
  color: #fff;
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.chip-dot.normal { background: var(--accent-emerald); }
.chip-dot.afib { background: var(--accent-crimson); }
.chip-dot.brady { background: var(--accent-cyan); }
.chip-dot.tachy { background: var(--accent-amber); }
.chip-dot.pvc { background: var(--accent-purple); }

.actions-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, #00d2ff, #00f0ff);
  color: #040b17;
  box-shadow: 0 2px 10px var(--accent-cyan-glow);
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.72rem;
}

.toggle-switch-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.74rem;
  color: var(--text-secondary);
}

.toggle-switch-label input {
  display: none;
}

.switch-slider {
  width: 28px;
  height: 16px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  position: relative;
  transition: var(--transition-smooth);
}

.switch-slider::before {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  background: #fff;
  border-radius: 50%;
  top: 2px;
  left: 2px;
  transition: var(--transition-smooth);
}

input:checked + .switch-slider {
  background: var(--accent-cyan);
}

input:checked + .switch-slider::before {
  transform: translateX(12px);
  background: #040b17;
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 12px 18px;
}

.metric-card {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
}

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.metric-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 600;
}

.metric-unit {
  font-size: 0.6rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin: 2px 0;
}

.metric-sub {
  font-size: 0.65rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Arrhythmia Classifier Section */
.classification-section {
  padding: 10px 18px 16px 18px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.class-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-heading {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
}

.section-sub {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.probability-bars {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.prob-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.prob-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
}

.prob-name {
  color: var(--text-secondary);
  font-weight: 500;
}

.prob-pct {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
}

.prob-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  overflow: hidden;
}

.prob-fill {
  height: 100%;
  width: 0%;
  background: var(--accent-cyan);
  border-radius: 4px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.prob-row.highlight .prob-name {
  color: #fff;
  font-weight: 600;
}

.prob-row.highlight .prob-fill {
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald-glow);
}

.prob-row.danger .prob-fill {
  background: var(--accent-crimson);
  box-shadow: 0 0 10px var(--accent-crimson-glow);
}

/* Right Column: Chat Panel */
.chat-panel {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.chat-header {
  padding: 14px 18px 10px 18px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.multimodal-switch-container {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.bridge-tag {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
}

.bridge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}

/* Presets Drawer */
.presets-drawer {
  padding: 8px 18px;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
}

.presets-caption {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
}

.presets-scroll {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.presets-scroll::-webkit-scrollbar {
  display: none;
}

.preset-chip {
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  font-size: 0.7rem;
  color: var(--text-secondary);
  white-space: nowrap;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.preset-chip:hover {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--accent-cyan);
  color: #fff;
}

/* Chat Messages */
.chat-messages {
  flex: 1;
  padding: 16px 18px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
}

.message-bubble {
  display: flex;
  gap: 10px;
  max-width: 92%;
}

.message-bubble.user-msg {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.user-msg .msg-avatar {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.msg-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.msg-author {
  display: flex;
  align-items: center;
  gap: 6px;
}

.msg-author .name {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.msg-author .tag {
  font-size: 0.6rem;
  font-family: var(--font-mono);
  padding: 1px 5px;
  background: rgba(0, 240, 255, 0.15);
  color: var(--accent-cyan);
  border-radius: 4px;
}

.msg-content {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  line-height: 1.5;
  color: #e2e8f0;
}

.user-msg .msg-content {
  background: rgba(0, 240, 255, 0.12);
  border-color: rgba(0, 240, 255, 0.3);
  color: #fff;
}

.msg-content p {
  margin-bottom: 8px;
}
.msg-content p:last-child {
  margin-bottom: 0;
}
.msg-content ul {
  padding-left: 18px;
  margin-bottom: 8px;
}
.msg-content li {
  margin-bottom: 4px;
}
.msg-content code {
  background: rgba(0, 0, 0, 0.4);
  padding: 2px 5px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-cyan);
}

/* Chat Input Area */
.chat-input-area {
  padding: 12px 18px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.chat-form {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#user-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  resize: none;
  outline: none;
  transition: var(--transition-smooth);
}

#user-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 12px var(--accent-cyan-glow);
  background: rgba(255, 255, 255, 0.07);
}

.chat-form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.telemetry-tag {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.btn-send {
  padding: 7px 18px;
}

.chat-disclaimer {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-align: center;
}

/* Loading Dots */
.loading-dots {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 0;
}

.loading-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  animation: waveDot 1.2s infinite ease-in-out;
}

.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes waveDot {
  0%, 80%, 100% { transform: scale(0); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* Responsive adjustments */
@media (max-width: 1100px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }
  .app-layout {
    height: auto;
  }
  .panel {
    min-height: 480px;
  }
}