/* ==========================================================================
   SOMATIC MIRROR — COMPONENT STYLES (WELLNESS & HACKATHON WINNER)
   ========================================================================== */

/* Layout Containers */
.app-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.25rem;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.brand-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #2563eb, #ec4899);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 16px -4px rgba(236, 72, 153, 0.4);
  color: #ffffff;
}

.brand-title-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 0%, #fbcfe8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-wrap: wrap;
}

/* Ambient Soundscape Quick-Bar */
.ambient-switch-bar {
  display: inline-flex;
  align-items: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 2px;
  gap: 2px;
}

.ambient-btn {
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.ambient-btn:hover {
  color: var(--text-primary);
}

.ambient-btn.active {
  background: rgba(56, 189, 248, 0.2);
  color: var(--accent-cyan);
  box-shadow: 0 2px 8px rgba(56, 189, 248, 0.25);
}

/* Language Segmented Control */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 2px;
  gap: 2px;
}

.lang-btn {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

/* Main Workspace Grid */
.main-stage {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 1.5rem;
  flex: 1;
  margin-bottom: 2rem;
}

@media (max-width: 960px) {
  .main-stage {
    grid-template-columns: 1fr;
  }
}

/* Glass Card */
.glass-card {
  background: var(--bg-elevated);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--border-highlight);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Video Stage & Camera Viewport */
.camera-stage {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000000;
  aspect-ratio: 4 / 3;
  box-shadow: inset 0 0 0 1px var(--border-subtle);
}

#videoFeed {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
  display: block;
}

#overlayCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}

/* Status Badges */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(30, 41, 59, 0.8);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

.status-pill.active {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--state-relaxed);
}

.status-pill.warning {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.3);
  color: var(--state-moderate);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

/* Overlays on Camera */
.camera-overlay {
  position: absolute;
  inset: 0;
  background: rgba(9, 13, 22, 0.92);
  backdrop-filter: blur(12px);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  gap: 1.25rem;
}

.camera-overlay.hidden {
  display: none !important;
}

.overlay-icon-wrap {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 50%;
  background: rgba(236, 72, 153, 0.12);
  border: 1px solid rgba(236, 72, 153, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f472b6;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.925rem;
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--transition-normal);
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.5);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-elevated-hover);
  border-color: var(--border-highlight);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.btn-danger:hover:not(:disabled) {
  background: rgba(244, 63, 94, 0.25);
  border-color: var(--accent-rose);
}

.btn-icon {
  width: 2.6rem;
  height: 2.6rem;
  padding: 0;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  color: var(--text-primary);
  border-color: var(--border-highlight);
  background: var(--bg-elevated-hover);
}

/* Tension Zone Gauge Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 580px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

.metric-gauge-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.metric-gauge-card:hover {
  border-color: var(--border-highlight);
  transform: translateY(-1px);
}

.metric-gauge-card.highlight {
  border-color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.08);
}

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

.gauge-name-group {
  display: flex;
  flex-direction: column;
}

.gauge-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.gauge-subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.gauge-score {
  font-size: 1.15rem;
  font-weight: 800;
  font-family: var(--font-display);
}

.gauge-track {
  width: 100%;
  height: 8px;
  background: rgba(51, 65, 85, 0.5);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.gauge-fill {
  height: 100%;
  width: 0%;
  border-radius: var(--radius-full);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.4s ease;
}

/* Overall Stress Index Indicator */
.stress-index-banner {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.9));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.stress-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stress-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.stress-verdict {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.stress-dial-wrap {
  position: relative;
  width: 70px;
  height: 70px;
}

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

.stress-dial-bg {
  fill: none;
  stroke: rgba(51, 65, 85, 0.5);
  stroke-width: 6;
}

.stress-dial-meter {
  fill: none;
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 220;
  stroke-dashoffset: 220;
  transition: stroke-dashoffset 0.6s ease, stroke 0.4s ease;
}

.stress-dial-number {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 800;
}

/* Somatic Exercise HUD Stage */
.exercise-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem 1.5rem;
}

.exercise-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
  margin-bottom: 1rem;
}

.exercise-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.exercise-target-muscle {
  font-size: 0.875rem;
  color: var(--accent-cyan);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.exercise-card-instruction {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  max-width: 600px;
  margin-bottom: 2rem;
  font-size: 1.15rem;
  line-height: 1.6;
  font-weight: 500;
  color: #e2e8f0;
}

/* Breathing Sphere Pacer */
.breath-pacer-wrapper {
  position: relative;
  width: 180px;
  height: 180px;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.breath-outer-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px dashed rgba(99, 102, 241, 0.3);
}

.breath-sphere {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: radial-gradient(circle, #f472b6 0%, #6366f1 70%, #4338ca 100%);
  box-shadow: 0 0 35px rgba(244, 114, 182, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.75rem;
  font-weight: 800;
  transform: scale(1);
  transition: transform 4s ease-in-out, box-shadow 4s ease-in-out;
}

.breath-phase-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
}

/* Results Dashboard & Comparison */
.result-delta-banner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (max-width: 640px) {
  .result-delta-banner {
    grid-template-columns: 1fr;
  }
}

.delta-stat-card {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
}

.delta-stat-card.improvement {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(236, 72, 153, 0.08));
  border-color: rgba(16, 185, 129, 0.3);
}

.delta-value {
  font-size: 2.25rem;
  font-weight: 800;
  font-family: var(--font-display);
}

/* History Modal & List */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(10px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}

.history-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  margin-bottom: 0.75rem;
}

.history-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.history-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.history-exercise {
  font-size: 0.95rem;
  font-weight: 600;
}

.history-improvement-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
}

/* Sensory / Manual Mode */
.manual-mode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.sensory-card {
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sensory-card:hover {
  border-color: var(--accent-blue);
  background: var(--bg-elevated-hover);
}

.sensory-card.selected {
  border-color: var(--accent-blue);
  background: rgba(59, 130, 246, 0.15);
}

/* Footer */
.app-footer {
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}