/* ═══════════════════════════════════════════════════════════════════════════════
   OURA INSIGHTS - TCM-Integrated Biometric Intelligence Dashboard
   Theme: Celestial Meridian Flow - Where Ancient Wisdom Meets Modern Data
   ═══════════════════════════════════════════════════════════════════════════════ */

:root {
  /* Core Palette - Inspired by TCM Five Elements */
  --oura-void: #0a0c10;
  --oura-deep: #0d1117;
  --oura-surface: #161b22;
  --oura-elevated: #1c2128;
  --oura-border: rgba(139, 148, 158, 0.1);
  
  /* Element Colors (Five Elements) */
  --oura-wood: var(--green-400);      /* Liver/Gallbladder - Spring - Growth */
  --oura-fire: var(--red-400);      /* Heart/SI - Summer - Joy */
  --oura-earth: var(--amber-400);     /* Spleen/Stomach - Late Summer - Harvest */
  --oura-metal: var(--slate-200);     /* Lung/LI - Autumn - Clarity */
  --oura-water: var(--blue-400);     /* Kidney/Bladder - Winter - Wisdom */
  
  /* Score Gradients */
  --oura-excellent: linear-gradient(135deg, var(--green-500), var(--green-400));
  --oura-good: linear-gradient(135deg, var(--blue-500), var(--blue-400));
  --oura-fair: linear-gradient(135deg, var(--amber-500), var(--amber-400));
  --oura-poor: linear-gradient(135deg, var(--red-500), var(--red-400));
  
  /* Yin-Yang */
  --oura-yin: var(--violet-400);       /* Parasympathetic - Rest - Moon */
  --oura-yang: var(--orange-400);      /* Sympathetic - Activity - Sun */
  
  /* Accent Glows */
  --oura-glow-primary: rgba(96, 165, 250, 0.15);
  --oura-glow-success: rgba(74, 222, 128, 0.15);
  --oura-glow-warning: rgba(251, 191, 36, 0.15);
  --oura-glow-danger: rgba(248, 113, 113, 0.15);
  
  /* Typography - Match KAIRO theme */
  --oura-font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --oura-font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --oura-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   MAIN CONTAINER
   ═══════════════════════════════════════════════════════════════════════════════ */

.oura-dashboard {
  background: var(--oura-void);
  min-height: calc(100vh - 72px);
  color: var(--slate-200);
  font-family: var(--oura-font-body);
  position: relative;
}

/* Cosmic Background Effect */
.oura-dashboard::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(167, 139, 250, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(96, 165, 250, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(251, 191, 36, 0.03) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* Meridian Flow Lines (subtle animated background) */
.oura-dashboard::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 100px,
      rgba(96, 165, 250, 0.02) 100px,
      rgba(96, 165, 250, 0.02) 101px
    );
  pointer-events: none;
  z-index: 0;
  animation: meridianFlow 30s linear infinite;
}

@keyframes meridianFlow {
  0% { transform: translateX(0); }
  100% { transform: translateX(101px); }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════════════════════════ */

.oura-header {
  position: relative;
  z-index: 10;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--oura-border);
  background: linear-gradient(180deg, var(--oura-deep) 0%, transparent 100%);
}

.oura-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.oura-title-block {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.oura-ring-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--oura-yin), var(--oura-water));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 0 30px rgba(167, 139, 250, 0.3);
  animation: ringPulse 4s ease-in-out infinite;
}

@keyframes ringPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(167, 139, 250, 0.3); }
  50% { box-shadow: 0 0 40px rgba(167, 139, 250, 0.5); }
}

.oura-title {
  font-family: var(--oura-font-display);
  font-size: 1.75rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--slate-200) 0%, var(--oura-water) 50%, var(--oura-yin) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.oura-subtitle {
  font-size: 0.8rem;
  color: var(--gray-500);
  font-family: var(--oura-font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* TCM Seal */
.oura-tcm-seal {
  background: linear-gradient(135deg, var(--red-600) 0%, #991b1b 100%);
  color: #fef2f2;
  padding: 0.4rem 0.8rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border: 2px solid rgba(255, 150, 150, 0.4);
  transform: rotate(-2deg);
  box-shadow: 
    inset 0 0 10px rgba(0,0,0,0.3),
    0 4px 20px rgba(220, 38, 38, 0.3);
}

/* Header Controls */
.oura-header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.oura-patient-select {
  background: var(--oura-surface);
  border: 1px solid var(--oura-border);
  border-radius: 0.5rem;
  padding: 0.6rem 2.5rem 0.6rem 1rem;
  color: var(--slate-200);
  font-size: 0.875rem;
  min-width: 200px;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2360a5fa'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  transition: all 0.2s;
}

.oura-patient-select:hover {
  border-color: var(--oura-water);
}

.oura-patient-select:focus {
  outline: none;
  border-color: var(--oura-water);
  box-shadow: 0 0 0 3px var(--oura-glow-primary);
}

.oura-date-range {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--oura-surface);
  border: 1px solid var(--oura-border);
  border-radius: 0.5rem;
  padding: 0.4rem 0.75rem;
}

.oura-date-input {
  background: transparent;
  border: none;
  color: var(--slate-200);
  font-size: 0.8rem;
  width: 110px;
  cursor: pointer;
}

.oura-date-input:focus {
  outline: none;
}

.oura-date-sep {
  color: var(--gray-500);
  font-size: 0.75rem;
}

/* Action Buttons */
.oura-btn {
  padding: 0.6rem 1.2rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
}

.oura-btn-primary {
  background: linear-gradient(135deg, var(--oura-water) 0%, var(--oura-yin) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(96, 165, 250, 0.3);
}

.oura-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(96, 165, 250, 0.4);
}

.oura-btn-secondary {
  background: var(--oura-surface);
  color: var(--slate-200);
  border: 1px solid var(--oura-border);
}

.oura-btn-secondary:hover {
  background: var(--oura-elevated);
  border-color: var(--oura-water);
}

.oura-btn-ai {
  background: linear-gradient(135deg, var(--violet-500) 0%, var(--purple-500) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.oura-btn-ai:hover {
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.oura-btn-compare {
  background: linear-gradient(135deg, var(--oura-fire) 0%, var(--oura-yang) 100%);
  color: white;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   NAVIGATION TABS
   ═══════════════════════════════════════════════════════════════════════════════ */

.oura-nav {
  position: relative;
  z-index: 10;
  display: flex;
  gap: 0.25rem;
  padding: 0.75rem 2rem;
  border-bottom: 1px solid var(--oura-border);
  background: var(--oura-deep);
  overflow-x: auto;
}

.oura-nav-tab {
  padding: 0.6rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-400);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  background: transparent;
}

.oura-nav-tab:hover {
  color: var(--slate-200);
  background: var(--oura-surface);
}

.oura-nav-tab.active {
  color: var(--oura-water);
  background: var(--oura-surface);
  border-color: var(--oura-water);
}

.oura-nav-tab-icon {
  font-size: 1rem;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   MAIN CONTENT AREA
   ═══════════════════════════════════════════════════════════════════════════════ */

.oura-content {
  position: relative;
  z-index: 5;
  padding: 1.5rem 2rem;
}

.oura-tab-panel {
  display: none;
}

.oura-tab-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

/* fadeIn keyframes defined in kairo-ui.css */

/* ═══════════════════════════════════════════════════════════════════════════════
   CARDS & PANELS
   ═══════════════════════════════════════════════════════════════════════════════ */

.oura-card {
  background: var(--oura-surface);
  border: 1px solid var(--oura-border);
  border-radius: 1rem;
  overflow: hidden;
}

.oura-card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--oura-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.oura-card-title {
  font-family: var(--oura-font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-100);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.oura-card-body {
  padding: 1.25rem;
}

.oura-card-glow {
  box-shadow: 0 0 40px var(--oura-glow-primary);
}

/* Glass Panel */
.oura-glass {
  background: rgba(22, 27, 34, 0.8);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* ═══════════════════════════════════════════════════════════════════════════════
   TCM INTEGRATION SECTION (Featured)
   ═══════════════════════════════════════════════════════════════════════════════ */

.oura-tcm-hero {
  background: linear-gradient(135deg, 
    rgba(167, 139, 250, 0.1) 0%, 
    rgba(96, 165, 250, 0.08) 50%,
    rgba(251, 191, 36, 0.05) 100%);
  border: 1px solid rgba(167, 139, 250, 0.2);
  border-radius: 1.5rem;
  padding: 2rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}

.oura-tcm-hero::before {
  content: '陰陽';
  position: absolute;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 8rem;
  opacity: 0.03;
  font-family: var(--oura-font-display);
  pointer-events: none;
}

.oura-tcm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Yin-Yang Balance Gauge */
.oura-yinyang-gauge {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto;
}

.oura-yinyang-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.oura-yinyang-track {
  fill: none;
  stroke: var(--oura-surface);
  stroke-width: 12;
}

.oura-yinyang-yin {
  fill: none;
  stroke: var(--oura-yin);
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 283;
  stroke-dashoffset: 141.5;
  transition: stroke-dashoffset 1s ease;
  filter: drop-shadow(0 0 8px var(--oura-yin));
}

.oura-yinyang-yang {
  fill: none;
  stroke: var(--oura-yang);
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 283;
  stroke-dashoffset: 141.5;
  transition: stroke-dashoffset 1s ease;
  filter: drop-shadow(0 0 8px var(--oura-yang));
}

.oura-yinyang-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.oura-yinyang-value {
  font-family: var(--oura-font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-100);
}

.oura-yinyang-label {
  font-size: 0.7rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Five Element Diagram */
.oura-elements-wheel {
  position: relative;
  width: 240px;
  height: 240px;
  margin: 0 auto;
}

.oura-element-node {
  position: absolute;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 600;
  transition: all 0.3s;
  cursor: pointer;
  border: 2px solid transparent;
}

.oura-element-node:hover {
  transform: scale(1.1);
  z-index: 10;
}

.oura-element-icon {
  font-size: 1.25rem;
  margin-bottom: 0.15rem;
}

.oura-element-score {
  font-family: var(--oura-font-mono);
  font-size: 0.7rem;
}

/* Element positions (pentagon) */
.oura-element-fire { 
  top: 0; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, rgba(248, 113, 113, 0.2), rgba(248, 113, 113, 0.1));
  border-color: var(--oura-fire);
  color: var(--oura-fire);
}
.oura-element-earth { 
  top: 38%; right: 0;
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(251, 191, 36, 0.1));
  border-color: var(--oura-earth);
  color: var(--oura-earth);
}
.oura-element-metal { 
  bottom: 5%; right: 15%;
  background: linear-gradient(135deg, rgba(226, 232, 240, 0.2), rgba(226, 232, 240, 0.1));
  border-color: var(--oura-metal);
  color: var(--oura-metal);
}
.oura-element-water { 
  bottom: 5%; left: 15%;
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.2), rgba(96, 165, 250, 0.1));
  border-color: var(--oura-water);
  color: var(--oura-water);
}
.oura-element-wood { 
  top: 38%; left: 0;
  background: linear-gradient(135deg, rgba(74, 222, 128, 0.2), rgba(74, 222, 128, 0.1));
  border-color: var(--oura-wood);
  color: var(--oura-wood);
}

/* Organ Clock */
.oura-organ-clock {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto;
  border-radius: 50%;
  background: var(--oura-surface);
  border: 2px solid var(--oura-border);
}

.oura-clock-segment {
  position: absolute;
  width: 50%;
  height: 50%;
  transform-origin: 100% 100%;
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  transition: all 0.3s;
  cursor: pointer;
  opacity: 0.6;
}

.oura-clock-segment:hover {
  opacity: 1;
  filter: brightness(1.2);
}

.oura-clock-segment.active {
  opacity: 1;
  filter: brightness(1.3) saturate(1.2);
}

.oura-clock-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--oura-deep);
  border: 2px solid var(--oura-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.oura-clock-time {
  font-family: var(--oura-font-mono);
  font-size: 1rem;
  color: var(--gray-100);
}

.oura-clock-organ {
  font-size: 0.65rem;
  color: var(--gray-400);
}

/* ═══════════════════════════════════════════════════════════════════════════════
   SCORE DISPLAYS
   ═══════════════════════════════════════════════════════════════════════════════ */

.oura-score-ring {
  position: relative;
  width: 120px;
  height: 120px;
}

.oura-score-ring svg {
  transform: rotate(-90deg);
}

.oura-score-track {
  fill: none;
  stroke: var(--oura-elevated);
  stroke-width: 8;
}

.oura-score-fill {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s ease;
}

.oura-score-fill.excellent { stroke: url(#gradExcellent); }
.oura-score-fill.good { stroke: url(#gradGood); }
.oura-score-fill.fair { stroke: url(#gradFair); }
.oura-score-fill.poor { stroke: url(#gradPoor); }

.oura-score-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.oura-score-number {
  font-family: var(--oura-font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-100);
}

.oura-score-label {
  font-size: 0.65rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Mini Score Cards */
.oura-mini-score {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--oura-elevated);
  border-radius: 0.75rem;
  transition: all 0.2s;
}

.oura-mini-score:hover {
  background: rgba(96, 165, 250, 0.1);
}

.oura-mini-score-icon {
  width: 36px;
  height: 36px;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.oura-mini-score-info {
  flex: 1;
}

.oura-mini-score-label {
  font-size: 0.7rem;
  color: var(--gray-400);
}

.oura-mini-score-value {
  font-family: var(--oura-font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-100);
}

.oura-mini-score-trend {
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.oura-trend-up { color: var(--oura-wood); }
.oura-trend-down { color: var(--oura-fire); }
.oura-trend-neutral { color: var(--gray-400); }

/* ═══════════════════════════════════════════════════════════════════════════════
   CHARTS
   ═══════════════════════════════════════════════════════════════════════════════ */

.oura-chart-container {
  width: 100%;
  height: 250px;
  position: relative;
}

.oura-chart-legend {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--oura-border);
}

.oura-legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--gray-400);
}

.oura-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* Calendar Heatmap */
.oura-heatmap {
  display: grid;
  grid-template-columns: repeat(53, 1fr);
  gap: 2px;
}

.oura-heatmap-cell {
  aspect-ratio: 1;
  border-radius: 2px;
  background: var(--oura-elevated);
  transition: all 0.2s;
  cursor: pointer;
}

.oura-heatmap-cell:hover {
  transform: scale(1.5);
  z-index: 10;
}

.oura-heatmap-cell.level-0 { background: var(--oura-elevated); }
.oura-heatmap-cell.level-1 { background: rgba(74, 222, 128, 0.2); }
.oura-heatmap-cell.level-2 { background: rgba(74, 222, 128, 0.4); }
.oura-heatmap-cell.level-3 { background: rgba(74, 222, 128, 0.6); }
.oura-heatmap-cell.level-4 { background: rgba(74, 222, 128, 0.8); }
.oura-heatmap-cell.level-5 { background: var(--oura-wood); }

/* ═══════════════════════════════════════════════════════════════════════════════
   SLEEP HYPNOGRAM
   ═══════════════════════════════════════════════════════════════════════════════ */

.oura-hypnogram {
  height: 150px;
  position: relative;
  background: var(--oura-elevated);
  border-radius: 0.5rem;
  overflow: hidden;
}

.oura-hypnogram-row {
  position: absolute;
  left: 0;
  right: 0;
  display: flex;
}

.oura-hypnogram-segment {
  height: 100%;
  transition: all 0.2s;
}

.oura-stage-awake { background: var(--oura-fire); opacity: 0.7; }
.oura-stage-rem { background: var(--oura-yin); }
.oura-stage-light { background: var(--oura-water); opacity: 0.5; }
.oura-stage-deep { background: var(--oura-water); }

/* ═══════════════════════════════════════════════════════════════════════════════
   COMPARE VIEW (Bed Partners)
   ═══════════════════════════════════════════════════════════════════════════════ */

.oura-compare-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.oura-compare-person {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.oura-compare-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--oura-water) 0%, var(--oura-yin) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.oura-compare-vs {
  font-family: var(--oura-font-display);
  font-size: 1.25rem;
  color: var(--gray-500);
}

.oura-sync-meter {
  text-align: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.1), rgba(96, 165, 250, 0.1));
  border-radius: 1rem;
  border: 1px solid rgba(167, 139, 250, 0.2);
}

.oura-sync-value {
  font-family: var(--oura-font-display);
  font-size: 3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--oura-yin), var(--oura-water));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.oura-sync-label {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 0.25rem;
}

/* Dual Charts */
.oura-dual-chart {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.oura-dual-chart-left {
  border-right: 1px dashed var(--oura-border);
  padding-right: 1rem;
}

.oura-dual-chart-right {
  padding-left: 1rem;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   AI ANALYSIS SECTION
   ═══════════════════════════════════════════════════════════════════════════════ */

.oura-ai-panel {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(168, 85, 247, 0.05));
  border: 1px solid rgba(139, 92, 246, 0.2);
  border-radius: 1rem;
}

.oura-ai-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.oura-ai-icon {
  width: 40px;
  height: 40px;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--violet-500), var(--purple-500));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.oura-ai-title {
  font-family: var(--oura-font-display);
  font-size: 1.1rem;
  color: var(--gray-100);
}

.oura-ai-subtitle {
  font-size: 0.75rem;
  color: var(--violet-400);
}

.oura-ai-body {
  padding: 1.25rem;
}

.oura-ai-insight {
  padding: 1rem;
  background: rgba(139, 92, 246, 0.1);
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  border-left: 3px solid var(--violet-500);
}

.oura-ai-insight-title {
  font-weight: 600;
  color: var(--slate-200);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.oura-ai-insight-text {
  font-size: 0.875rem;
  color: var(--gray-300);
  line-height: 1.6;
}

.oura-ai-recommendation {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--oura-surface);
  border-radius: 0.5rem;
  margin-bottom: 0.5rem;
}

.oura-ai-rec-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--oura-wood);
  color: var(--oura-void);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.oura-ai-rec-text {
  font-size: 0.8rem;
  color: var(--gray-300);
}

/* AI History */
.oura-ai-history {
  max-height: 300px;
  overflow-y: auto;
}

.oura-ai-history-item {
  padding: 0.75rem;
  border-bottom: 1px solid var(--oura-border);
  cursor: pointer;
  transition: all 0.2s;
}

.oura-ai-history-item:hover {
  background: var(--oura-elevated);
}

.oura-ai-history-date {
  font-size: 0.7rem;
  color: var(--gray-500);
  font-family: var(--oura-font-mono);
}

.oura-ai-history-summary {
  font-size: 0.8rem;
  color: var(--gray-300);
  margin-top: 0.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   STATS GRID
   ═══════════════════════════════════════════════════════════════════════════════ */

.oura-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
}

.oura-stat-card {
  background: var(--oura-elevated);
  border-radius: 0.75rem;
  padding: 1rem;
  text-align: center;
  transition: all 0.2s;
}

.oura-stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.oura-stat-icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.oura-stat-value {
  font-family: var(--oura-font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-100);
}

.oura-stat-label {
  font-size: 0.7rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.oura-stat-delta {
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   LOADING & EMPTY STATES
   ═══════════════════════════════════════════════════════════════════════════════ */

.oura-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  color: var(--gray-400);
}

.oura-loading-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--oura-border);
  border-top-color: var(--oura-water);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

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

.oura-empty {
  text-align: center;
  padding: 3rem;
}

.oura-empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.oura-empty-title {
  font-family: var(--oura-font-display);
  font-size: 1.25rem;
  color: var(--gray-400);
  margin-bottom: 0.5rem;
}

.oura-empty-text {
  font-size: 0.875rem;
  color: var(--gray-500);
  max-width: 300px;
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .oura-header-content {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .oura-tcm-grid {
    grid-template-columns: 1fr;
  }
  
  .oura-dual-chart {
    grid-template-columns: 1fr;
  }
  
  .oura-dual-chart-left {
    border-right: none;
    border-bottom: 1px dashed var(--oura-border);
    padding-right: 0;
    padding-bottom: 1rem;
  }
  
  .oura-dual-chart-right {
    padding-left: 0;
    padding-top: 1rem;
  }
}

@media (max-width: 640px) {
  .oura-header {
    padding: 1rem;
  }
  
  .oura-content {
    padding: 1rem;
  }
  
  .oura-nav {
    padding: 0.5rem 1rem;
  }
  
  .oura-nav-tab {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   PERFORMANCE OPTIMIZATIONS
   Disable infinite animations to prevent browser crashes
   ═══════════════════════════════════════════════════════════════════════════════ */

/* Disable background animation - major performance drain */
.oura-bg-pattern::before {
  animation: none !important;
}

/* Disable ring pulse - continuous repaints */
.oura-ring-icon {
  animation: none !important;
  box-shadow: 0 0 30px rgba(167, 139, 250, 0.3) !important;
}