@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Space+Grotesk:wght@500&display=swap');

:root {
  --bg-body: #f3f6f7;
  --bg-panel: #ffffff;
  --bg-surface: #fdfefe;
  --bg-muted: rgba(15, 47, 55, 0.06);
  --bg-overlay: rgba(244, 247, 248, 0.92);
  --accent-primary: #1aa7a5;
  --accent-secondary: #0f7e82;
  --accent-tertiary: #ffb74d;
  --accent-green: #2f9e7a;
  --accent-red: #e65b5b;
  --text-primary: #12212a;
  --text-secondary: #4a5b63;
  --text-muted: #8798a1;
  --border-soft: rgba(27, 74, 92, 0.14);
  --border-strong: rgba(26, 167, 165, 0.45);
  --shadow-soft: 0 22px 48px rgba(15, 36, 45, 0.12);
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 999px;
  --spacing-xs: 0.35rem;
  --spacing-sm: 0.65rem;
  --spacing-md: 0.9rem;
  --spacing-lg: 1.3rem;
  --spacing-xl: 1.6rem;
  --spacing-2xl: 2.4rem;
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top right, rgba(26, 167, 165, 0.2), transparent 55%), radial-gradient(circle at bottom left, rgba(46, 122, 133, 0.12), transparent 45%), var(--bg-body);
  color: var(--text-primary);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(26, 167, 165, 0.08) 12.5%, transparent 12.5%) 0 0/26px 26px,
    linear-gradient(225deg, rgba(26, 167, 165, 0.08) 12.5%, transparent 12.5%) 0 0/26px 26px,
    linear-gradient(45deg, rgba(17, 113, 122, 0.06) 12.5%, transparent 12.5%) 13px 13px/26px 26px,
    linear-gradient(315deg, rgba(17, 113, 122, 0.06) 12.5%, transparent 12.5%) 13px 13px/26px 26px;
  pointer-events: none;
  z-index: 0;
}

.container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(18, 33, 42, 0.06);
  box-shadow: 0 10px 24px rgba(15, 36, 45, 0.08);
  padding: var(--spacing-sm) 0;
}

.header-content {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--spacing-md);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: var(--accent-primary);
  border: 1px solid transparent;
  color: #ffffff;
}

.brand-icon i {
  font-size: 1.2rem;
}

.brand-text h1 {
  margin: 0;
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: 1.28rem;
  letter-spacing: -0.01em;
  font-weight: 600;
  color: var(--text-primary);
}

.brand-text p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.header-metrics {
  display: inline-flex;
  gap: var(--spacing-sm);
  justify-content: flex-start;
  align-items: stretch;
  flex-wrap: wrap;
}

.metric-chip {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.58rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(18, 33, 42, 0.08);
  background: rgba(255, 255, 255, 0.8);
  min-width: 110px;
}

.metric-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.metric-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
}

.header-links {
  display: inline-flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.header-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(18, 33, 42, 0.08);
  color: var(--text-secondary);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.6);
  transition: var(--transition-base);
  font-size: 0.82rem;
}

.header-link:hover {
  color: var(--accent-primary);
  border-color: rgba(26, 167, 165, 0.45);
  background: rgba(26, 167, 165, 0.16);
}

/* Layout */

.main-content {
  flex: 1;
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.main-content > .container {
  min-height: calc(100vh - 140px);
  display: flex;
  flex-direction: column;
}

.app-shell {
  flex: 1;
  display: grid;
  gap: var(--spacing-2xl);
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  align-items: stretch;
}

.info-panel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(18, 33, 42, 0.07);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 22px 48px rgba(15, 36, 45, 0.12);
  height: 100%;
  overflow: auto;
}

.hero-section h2 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-size: 1.9rem;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.hero-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 32ch;
}

.insight-cards {
  display: grid;
  gap: var(--spacing-md);
}

.insight-card {
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(18, 33, 42, 0.08);
  display: grid;
  gap: var(--spacing-sm);
  box-shadow: 0 16px 32px rgba(15, 36, 45, 0.08);
}

.insight-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.insight-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.insight-text {
  margin: 0;
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.meta-grid {
  display: grid;
  gap: var(--spacing-sm);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.meta-item {
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(18, 33, 42, 0.08);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  box-shadow: 0 10px 24px rgba(15, 36, 45, 0.05);
}

.meta-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

.meta-value {
  font-size: 0.88rem;
  color: var(--text-primary);
}

.interaction-panel {
  display: grid;
  gap: var(--spacing-xl);
}

.analysis-shell {
  position: relative;
  min-height: 100%;
}

.analysis-shell.has-results .input-section {
  opacity: 0.35;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.analysis-shell.has-results #upload-preview {
  display: none !important;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: var(--spacing-md);
}

.section-head h3 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
}

.section-head p {
  margin: 0;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

/* Input Section */

.input-section {
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid rgba(18, 33, 42, 0.08);
  box-shadow: 0 20px 44px rgba(15, 36, 45, 0.1);
  transition: opacity var(--transition-base);
  display: flex;
  flex-direction: column;
}

.input-tabs {
  display: inline-flex;
  gap: var(--spacing-sm);
  padding: 0.35rem;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(18, 33, 42, 0.08);
  box-shadow: 0 12px 24px rgba(15, 36, 45, 0.08);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.tab-btn {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border-radius: 0;
  padding: 0.5rem 1rem;
  position: relative;
  cursor: pointer;
  transition: var(--transition-base);
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(26, 167, 165, 0.08);
}

.tab-btn.active {
  color: var(--text-primary);
  background: linear-gradient(135deg, rgba(26, 167, 165, 0.18), rgba(15, 126, 130, 0.2));
  box-shadow: inset 0 0 0 1px rgba(26, 167, 165, 0.4);
}

.tab-content {
  display: none;
  animation: fadeIn 0.35s ease;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.tab-content.active {
  display: flex;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.camera-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  flex: 1;
  min-height: 0;
}

#video {
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 400px;
  border-radius: var(--radius-lg);
  background: #f0f5f6;
  border: 1px solid rgba(18, 33, 42, 0.08);
  box-shadow: 0 18px 36px rgba(15, 36, 45, 0.08);
  transition: var(--transition-base);
  object-fit: contain;
}

#video:hover {
  border-color: rgba(26, 167, 165, 0.4);
  box-shadow: 0 22px 42px rgba(15, 36, 45, 0.12);
}

.camera-controls {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: auto;
  flex-shrink: 0;
}

.btn {
  position: relative;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.6rem 1.05rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  overflow: hidden;
  transition: var(--transition-base);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.btn-primary {
  background: linear-gradient(135deg, rgba(26, 167, 165, 0.9), rgba(17, 126, 130, 0.9));
  color: var(--text-primary);
  border: 1px solid rgba(26, 167, 165, 0.55);
  box-shadow: 0 12px 26px rgba(15, 126, 130, 0.18);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: rgba(26, 167, 165, 0.75);
}

.btn-secondary {
  background: rgba(240, 245, 247, 0.95);
  color: var(--text-primary);
  border: 1px solid rgba(18, 33, 42, 0.12);
}

.btn-secondary:hover:not(:disabled) {
  color: var(--text-primary);
  border-color: rgba(26, 167, 165, 0.45);
  background: rgba(255, 255, 255, 1);
}

.upload-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  flex: 1;
  min-height: 0;
}

.upload-area {
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(26, 167, 165, 0.38);
  background: rgba(255, 255, 255, 0.96);
  padding: var(--spacing-lg);
  text-align: center;
  display: grid;
  gap: var(--spacing-sm);
  cursor: pointer;
  transition: var(--transition-base);
}

.upload-area:hover {
  border-color: rgba(26, 167, 165, 0.55);
  background: rgba(26, 167, 165, 0.16);
}

.upload-area i {
  font-size: 2rem;
  color: var(--accent-primary);
}

.upload-area p {
  margin: 0;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

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

.upload-preview {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(18, 33, 42, 0.08);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 36px rgba(15, 36, 45, 0.08);
  max-height: 400px;
}

#uploaded-image {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 400px;
  object-fit: contain;
  object-fit: contain;
}

.btn-remove {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--accent-red);
  border: none;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-base);
}

.btn-remove:hover {
  background: rgba(230, 91, 91, 0.92);
  transform: scale(1.05);
}

.examples-grid {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.example-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(18, 33, 42, 0.08);
  background: rgba(255, 255, 255, 0.96);
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
  box-shadow: 0 18px 34px rgba(15, 36, 45, 0.12);
}

.example-item img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.example-label {
  padding: 0.7rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.example-item:hover {
  transform: translateY(-4px);
  border-color: rgba(26, 167, 165, 0.38);
  box-shadow: 0 22px 42px rgba(15, 36, 45, 0.16);
}

.example-item:hover .example-label {
  color: var(--accent-primary);
}

/* Results Overlay */

.results-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(18, 33, 42, 0.08);
  box-shadow: 0 30px 60px rgba(15, 36, 45, 0.18);
  z-index: 3;
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.results-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  overflow: visible;
  height: 100%;
}

.results-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(18, 33, 42, 0.08);
  background: rgba(240, 245, 247, 0.95);
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-base);
}

.results-close:hover {
  color: var(--accent-primary);
  border-color: rgba(26, 167, 165, 0.45);
  background: rgba(26, 167, 165, 0.15);
}

.results-head {
  display: grid;
  gap: var(--spacing-xs);
  padding-right: 2.5rem;
}

.results-head h3 {
  margin: 0;
  font-size: 1.18rem;
  font-weight: 600;
}

.results-head p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
  max-width: 36ch;
}

.result-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--text-muted);
}

.results-grid {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.1fr);
  align-items: stretch;
}

.result-summary {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  border: 1px solid rgba(26, 167, 165, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  background: radial-gradient(circle at 12% 12%, rgba(26, 167, 165, 0.18), transparent 55%), rgba(255, 255, 255, 0.96);
  position: relative;
  box-shadow: 0 18px 40px rgba(15, 36, 45, 0.12);
}

.emotion-display {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: var(--spacing-sm);
  align-items: center;
}

.emotion-icon {
  width: 62px;
  height: 62px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(26, 167, 165, 0.25), rgba(15, 126, 130, 0.3));
  border: 1px solid rgba(26, 167, 165, 0.55);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2.1rem;
  color: #ffffff;
}

.emotion-info h4 {
  margin: 0;
  font-size: 1.08rem;
  text-transform: capitalize;
}

.confidence-text {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

#confidence-value {
  color: var(--accent-tertiary);
  font-weight: 600;
}

.emotion-message {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  padding-top: var(--spacing-sm);
  border-top: 1px solid rgba(18, 33, 42, 0.1);
  flex-grow: 1;
}

.analyzed-image-container {
  display: grid;
  gap: var(--spacing-xs);
  justify-items: center;
  text-align: center;
  width: min(100%, 300px);
  margin: 0 auto;
}

#analyzed-image {
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-md);
  border: 1px solid rgba(18, 33, 42, 0.12);
  background: var(--bg-panel);
  transition: var(--transition-base);
  object-fit: cover;
}

#analyzed-image:hover {
  border-color: rgba(26, 167, 165, 0.45);
}

.probabilities-chart {
  display: grid;
  gap: var(--spacing-sm);
  border: 1px solid rgba(18, 33, 42, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 18px 38px rgba(15, 36, 45, 0.1);
  max-height: 100%;
}

.chart-container {
  display: grid;
  gap: 0.6rem;
}

.probability-bar {
  display: grid;
  grid-template-columns: minmax(110px, 0.8fr) minmax(0, 1fr);
  gap: var(--spacing-sm);
  align-items: center;
}

.probability-label {
  font-size: 0.78rem;
  text-transform: capitalize;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.probability-bar-inner {
  height: 32px;
  border-radius: var(--radius-full);
  background: rgba(241, 246, 247, 0.9);
  border: 1px solid rgba(18, 33, 42, 0.08);
  overflow: hidden;
  position: relative;
}

.probability-fill {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, rgba(26, 167, 165, 0.8), rgba(16, 126, 130, 0.92));
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding-right: calc(var(--spacing-sm) - 0.1rem);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 600;
  transition: width 0.55s ease;
}

.probability-value {
  position: absolute;
  right: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-primary);
}

@media (max-width: 900px) {
  .results-overlay {
    position: fixed;
    inset: var(--spacing-md);
  }

  .results-grid {
    grid-template-columns: 1fr;
  }

  .result-summary {
    order: 1;
  }

  .probabilities-chart {
    order: 2;
  }

  #analyzed-image {
    max-width: 100%;
  }
}

/* Loading & Error */

.loading-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-overlay);
  backdrop-filter: blur(16px);
  z-index: 20;
}

.loading-spinner {
  text-align: center;
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(26, 167, 165, 0.32);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 40px rgba(15, 36, 45, 0.15);
}

.loading-spinner i {
  font-size: 3rem;
  color: var(--accent-primary);
  animation: spinPulse 1.8s ease-in-out infinite;
}

@keyframes spinPulse {
  0%, 100% {
    transform: scale(1) rotate(0deg);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.08) rotate(180deg);
    opacity: 1;
  }
}

.loading-spinner p {
  margin: var(--spacing-sm) 0 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.error-message {
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid rgba(248, 113, 113, 0.32);
  background: rgba(248, 113, 113, 0.12);
  color: var(--accent-red);
  font-size: 0.9rem;
  display: none;
  align-items: center;
  gap: var(--spacing-sm);
}

.error-message::before {
  content: '\f06a';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
}

/* Footer */

.app-footer {
  border-top: 1px solid rgba(18, 33, 42, 0.08);
  padding: var(--spacing-lg) 0;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 -12px 28px rgba(15, 36, 45, 0.08);
  margin-top: auto;
}

.app-footer p {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.82rem;
  margin-bottom: var(--spacing-sm);
}

.footer-links {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  width: 100%;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.footer-links a:hover {
  color: var(--accent-primary);
  background: rgba(26, 167, 165, 0.16);
}

/* Responsive */

@media (max-width: 1024px) {
  .header-content {
    grid-template-columns: 1fr;
    justify-items: flex-start;
    gap: var(--spacing-md);
  }

  .header-links {
    order: 3;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .interaction-panel {
    order: -1;
  }
}

@media (max-width: 768px) {
  .main-content {
    padding: var(--spacing-xl) 0;
  }

  .info-panel,
  .input-section,
  .results-section {
    padding: var(--spacing-lg);
  }

  .meta-grid {
    grid-template-columns: 1fr;
  }

  .camera-controls {
    flex-direction: column;
  }

  .camera-controls .btn {
    width: 100%;
    justify-content: center;
  }

  .input-tabs {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .brand-text h1 {
    font-size: 1.35rem;
  }

  .hero-section h2 {
    font-size: 1.75rem;
  }

  .input-tabs {
    flex-direction: column;
    border-radius: var(--radius-lg);
  }

  .tab-btn {
    width: 100%;
    justify-content: center;
  }

  .probability-bar {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .probability-label {
    text-align: left;
  }
}

/* ============================================================================
   Global Native UI Overrides
   ============================================================================ */

/* Scrollbars - Webkit */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
  background: rgba(26, 167, 165, 0.4);
  border-radius: 4px;
  transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(26, 167, 165, 0.6);
}

/* Scrollbars - Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(26, 167, 165, 0.4) var(--bg-body);
}

/* Text Selection */
::selection {
  background: rgba(26, 167, 165, 0.25);
  color: var(--text-primary);
}

::-moz-selection {
  background: rgba(26, 167, 165, 0.25);
  color: var(--text-primary);
}

/* Inputs & Dropdowns */
input,
textarea,
select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 10px 14px;
  font: inherit;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231aa7a5' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
  border-color: var(--accent-primary);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

/* Focus Ring */
*:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
  border-radius: var(--radius-md);
}