/* ==========================================================================
   VitaVue — Material 3 Design System & Responsive Layout
   Where Nutrition Meets Intelligence
   ========================================================================== */

:root {
  /* Core Theme Tokens */
  --navy-950: #040817;
  --navy-900: #0A1128;
  --navy-850: #0E1838;
  --navy-800: #152248;
  --navy-700: #1E3166;
  --navy-600: #294080;
  
  --teal-600: #00A3AB;
  --teal-500: #00C2CB;
  --teal-400: #33D1D8;
  --teal-300: #66DFE4;
  --teal-200: #99ECEF;
  --teal-glow: rgba(0, 194, 203, 0.25);

  --emerald-500: #10B981;
  --emerald-400: #34D399;
  --amber-500: #F59E0B;
  --amber-400: #FBBF24;
  --rose-500: #F43F5E;
  --indigo-500: #6366F1;
  --purple-500: #8B5CF6;
  
  --pure-white: #FFFFFF;
  --neutral-100: #F8FAFC;
  --neutral-200: #E2E8F0;
  --neutral-300: #CBD5E1;
  --neutral-400: #94A3B8;
  --neutral-500: #64748B;
  --neutral-700: #334155;

  /* Macronutrient Colors */
  --macro-calories: #F59E0B;
  --macro-protein: #38BDF8;
  --macro-carbs: #FB7185;
  --macro-fats: #34D399;
  --macro-fiber: #A78BFA;

  /* Layout Measurements */
  --sidebar-width: 260px;
  --mobile-top-height: 60px;
  --mobile-nav-height: 64px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 25px rgba(0, 194, 203, 0.2);
}

/* Reset & Base Rules */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  min-height: 100%;
  background-color: var(--navy-950);
  color: var(--neutral-100);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--navy-950);
}
::-webkit-scrollbar-thumb {
  background: var(--navy-700);
  border-radius: var(--radius-pill);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--teal-500);
}

/* ==========================================================================
   App Container & Responsive Shell
   ========================================================================== */
.app-container {
  display: flex;
  min-height: 100vh;
  width: 100%;
  position: relative;
}

/* Navigation Sidebar (Desktop) */
.nav-sidebar {
  width: var(--sidebar-width);
  background-color: var(--navy-900);
  border-right: 1px solid var(--navy-800);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  padding: 24px 16px;
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 8px 24px;
  border-bottom: 1px solid var(--navy-800);
}

.brand-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 2px 10px rgba(0, 194, 203, 0.3);
  border: 1px solid rgba(0, 194, 203, 0.4);
}

.brand-text h1 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--pure-white);
  line-height: 1.1;
}

.brand-tagline-small {
  font-size: 10.5px;
  color: var(--teal-400);
  font-weight: 600;
  letter-spacing: 0.2px;
  display: block;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 20px;
  flex: 1;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  color: var(--neutral-300);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.nav-link .icon {
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
}

.nav-link:hover {
  background-color: var(--navy-800);
  color: var(--teal-300);
  transform: translateX(3px);
}

.nav-link.active {
  background: linear-gradient(135deg, rgba(0, 194, 203, 0.15), rgba(0, 194, 203, 0.05));
  color: var(--teal-300);
  border-left: 3px solid var(--teal-500);
  box-shadow: inset 0 0 12px rgba(0, 194, 203, 0.1);
}

.nav-sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--navy-800);
}

.sidebar-attribution {
  font-size: 11px;
  color: var(--neutral-400);
  line-height: 1.4;
  text-align: center;
}

/* Mobile Bars (Top & Bottom) */
.mobile-top-bar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--mobile-top-height);
  background-color: rgba(10, 17, 40, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--navy-800);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 150;
}

.mobile-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.mobile-brand-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid rgba(0, 194, 203, 0.4);
}

.mobile-brand-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--pure-white);
}

.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--mobile-nav-height);
  background-color: rgba(10, 17, 40, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--navy-800);
  justify-content: space-around;
  align-items: center;
  padding: 0 8px;
  z-index: 150;
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--neutral-400);
  text-decoration: none;
  font-size: 11px;
  font-weight: 600;
  gap: 3px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  cursor: pointer;
}

.bottom-nav-item .icon {
  font-size: 20px;
}

.bottom-nav-item.active {
  color: var(--teal-300);
  transform: translateY(-2px);
}

/* ==========================================================================
   Main Viewport & Screens
   ========================================================================== */
.main-viewport {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 32px 40px 60px;
  max-width: 1200px;
  min-height: 100vh;
}

.screen {
  display: none;
  animation: fadeIn 0.25s ease-out;
}

.screen.active {
  display: block;
}

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

.screen-header {
  margin-bottom: 24px;
}

.screen-header h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--pure-white);
  letter-spacing: -0.5px;
}

.screen-header p {
  font-size: 14px;
  color: var(--neutral-400);
  margin-top: 4px;
}

/* ==========================================================================
   Material 3 Cards & Elements
   ========================================================================== */
.m3-card {
  background-color: var(--navy-900);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.m3-card-accent {
  background: linear-gradient(145deg, var(--navy-900), var(--navy-850));
  border: 1px solid var(--navy-700);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.subcard-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--pure-white);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 14px;
  border: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal-500), #00939A);
  color: var(--navy-950);
  box-shadow: 0 4px 15px rgba(0, 194, 203, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--teal-400), var(--teal-500));
  box-shadow: 0 6px 20px rgba(0, 194, 203, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--navy-800);
  color: var(--teal-300);
  border: 1px solid var(--navy-700);
}

.btn-secondary:hover {
  background-color: var(--navy-700);
  color: var(--pure-white);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--neutral-300);
  border: 1px solid var(--navy-700);
}

.btn-outline:hover {
  background-color: var(--navy-800);
  color: var(--pure-white);
}

.btn-chip {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  background-color: var(--navy-800);
  color: var(--neutral-200);
  border: 1px solid var(--navy-700);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-chip:hover {
  background-color: var(--teal-500);
  color: var(--navy-950);
}

.btn-large {
  padding: 15px 28px;
  font-size: 15px;
  width: 100%;
}

.settings-btn {
  background: var(--navy-800);
  border: 1px solid var(--navy-700);
  color: var(--teal-300);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

/* ==========================================================================
   Home Screen Components
   ========================================================================== */
.hero-card {
  background: linear-gradient(135deg, #0A1435 0%, #060D24 100%);
  border: 1px solid var(--navy-700);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.hero-content {
  flex: 1.2;
}

.hero-badge {
  display: inline-block;
  background: rgba(0, 194, 203, 0.15);
  color: var(--teal-300);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 194, 203, 0.3);
  margin-bottom: 14px;
}

.hero-title {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: var(--pure-white);
  line-height: 1.2;
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 14.5px;
  color: var(--neutral-300);
  line-height: 1.6;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-media {
  flex: 0.9;
  display: flex;
  justify-content: center;
}

.hero-banner-img {
  width: 100%;
  max-width: 340px;
  height: 220px;
  border-radius: var(--radius-md);
  object-fit: cover;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* 7-Stage Core Philosophy */
.philosophy-section {
  background-color: var(--navy-900);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-bottom: 24px;
}

.section-header-compact {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.section-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--pure-white);
}

.section-badge {
  font-size: 11px;
  color: var(--teal-300);
  background: rgba(0, 194, 203, 0.1);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  font-weight: 600;
}

.philosophy-flow-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  overflow-x: auto;
  padding-bottom: 6px;
  gap: 6px;
}

.philosophy-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--navy-850);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-md);
  padding: 10px 8px;
  min-width: 95px;
  flex: 1;
}

.step-num {
  font-size: 10px;
  font-weight: 800;
  color: var(--teal-400);
  background: rgba(0, 194, 203, 0.15);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.step-label {
  font-size: 11px;
  font-weight: 800;
  color: var(--pure-white);
  letter-spacing: 0.5px;
}

.step-desc {
  font-size: 9.5px;
  color: var(--neutral-400);
  margin-top: 2px;
  line-height: 1.2;
}

.flow-arrow {
  color: var(--teal-500);
  font-size: 14px;
  font-weight: 800;
  user-select: none;
}

/* Today's Macro Balance Grid */
.macro-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.macro-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.macro-box {
  background-color: var(--navy-850);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-md);
  padding: 14px 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.macro-box.calories { border-top: 3px solid var(--macro-calories); }
.macro-box.protein { border-top: 3px solid var(--macro-protein); }
.macro-box.carbs { border-top: 3px solid var(--macro-carbs); }
.macro-box.fats { border-top: 3px solid var(--macro-fats); }
.macro-box.fiber { border-top: 3px solid var(--macro-fiber); }

.macro-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--neutral-400);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.macro-val {
  font-size: 18px;
  font-weight: 800;
  color: var(--pure-white);
}

/* Core Intelligence Modules Grid */
.module-grid-heading {
  font-size: 18px;
  font-weight: 800;
  color: var(--pure-white);
  margin: 32px 0 16px;
  letter-spacing: -0.3px;
}

.quick-action-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.action-card {
  background-color: var(--navy-900);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.action-card:hover {
  background-color: var(--navy-850);
  border-color: var(--teal-500);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.action-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 14px;
}

.action-icon-badge.teal { background: rgba(0, 194, 203, 0.15); }
.action-icon-badge.indigo { background: rgba(99, 102, 241, 0.15); }
.action-icon-badge.cyan { background: rgba(6, 182, 212, 0.15); }
.action-icon-badge.amber { background: rgba(245, 158, 11, 0.15); }
.action-icon-badge.emerald { background: rgba(16, 185, 129, 0.15); }
.action-icon-badge.pink { background: rgba(236, 72, 153, 0.15); }

.action-card h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--pure-white);
  margin-bottom: 6px;
}

.action-card p {
  font-size: 12.5px;
  color: var(--neutral-400);
  line-height: 1.5;
}

/* Info Notice Card */
.info-notice-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: rgba(15, 23, 42, 0.6);
  border-color: var(--navy-800);
}

.notice-icon {
  font-size: 24px;
  line-height: 1;
}

.notice-text h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--teal-300);
  margin-bottom: 4px;
}

.notice-text p {
  font-size: 12px;
  color: var(--neutral-400);
  line-height: 1.5;
}

/* ==========================================================================
   Screen 2: Multimodal Meal Vision Analyzer
   ========================================================================== */
.drop-zone {
  border: 2px dashed var(--navy-700);
  border-radius: var(--radius-lg);
  padding: 40px 20px;
  text-align: center;
  background-color: rgba(14, 24, 56, 0.4);
  transition: all 0.2s ease;
  margin-bottom: 16px;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--teal-500);
  background-color: rgba(0, 194, 203, 0.05);
}

.drop-zone-icon {
  font-size: 44px;
  margin-bottom: 12px;
}

.drop-zone-buttons {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.sample-meals-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--navy-800);
}

.sample-label {
  font-size: 12px;
  color: var(--neutral-400);
  font-weight: 600;
}

.sample-chips-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sample-chip {
  background-color: var(--navy-850);
  border: 1px solid var(--navy-700);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  color: var(--neutral-200);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sample-chip:hover {
  background-color: var(--teal-500);
  color: var(--navy-950);
  border-color: var(--teal-400);
}

/* Image Preview */
.preview-container {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--navy-800);
}

.preview-image-wrapper {
  position: relative;
  width: 100%;
  max-height: 320px;
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
}

.preview-image-wrapper img {
  max-width: 100%;
  max-height: 320px;
  object-fit: contain;
}

.preview-remove-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preview-info-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--neutral-400);
  margin: 10px 0 16px;
}

/* Loading Animation */
.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--navy-700);
  border-top-color: var(--teal-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}

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

.loading-progress-bar {
  width: 240px;
  height: 6px;
  background-color: var(--navy-800);
  border-radius: 3px;
  margin: 20px auto 0;
  overflow: hidden;
}

.loading-progress-fill {
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, var(--teal-500), var(--emerald-400));
  border-radius: 3px;
  animation: progressPulse 1.5s ease-in-out infinite alternate;
}

@keyframes progressPulse {
  from { width: 30%; transform: translateX(0); }
  to { width: 90%; transform: translateX(10%); }
}

/* Results Display */
.result-top-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.confidence-badge {
  display: inline-block;
  background: rgba(16, 185, 129, 0.15);
  color: var(--emerald-400);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 8px;
}

.result-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--pure-white);
  letter-spacing: -0.4px;
}

.result-desc {
  font-size: 13.5px;
  color: var(--neutral-300);
  margin-top: 4px;
}

/* Energy Ratio Bar */
.energy-ratio-container {
  margin-top: 18px;
}

.energy-ratio-labels {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 6px;
}

.energy-ratio-bar {
  display: flex;
  height: 10px;
  border-radius: 5px;
  overflow: hidden;
  background-color: var(--navy-800);
}

.ratio-segment {
  height: 100%;
  transition: width 0.4s ease;
}

.ratio-segment.protein { background-color: var(--macro-protein); }
.ratio-segment.carbs { background-color: var(--macro-carbs); }
.ratio-segment.fats { background-color: var(--macro-fats); }
.ratio-segment.fiber { background-color: var(--macro-fiber); }

/* Components Table */
.components-table-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.component-item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--navy-850);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}

.comp-name-group strong {
  color: var(--pure-white);
  font-size: 14px;
  display: block;
}

.comp-portion {
  font-size: 12px;
  color: var(--teal-300);
}

.comp-macro-group {
  display: flex;
  gap: 12px;
  font-size: 12px;
}

.comp-macro-group span {
  color: var(--neutral-300);
}

/* Micronutrients Pills */
.micros-pill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}

.micro-card-pill {
  background: var(--navy-850);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-md);
  padding: 12px;
}

.micro-pill-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.micro-name {
  font-weight: 700;
  color: var(--pure-white);
  font-size: 13px;
}

.micro-amount {
  font-size: 12px;
  color: var(--teal-300);
  font-weight: 700;
}

.micro-benefit {
  font-size: 11px;
  color: var(--neutral-400);
  line-height: 1.3;
}

/* Styled Bullet Lists */
.styled-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.styled-bullet-list li {
  position: relative;
  padding-left: 20px;
  font-size: 13px;
  color: var(--neutral-300);
  line-height: 1.5;
}

.styled-bullet-list li::before {
  content: "•";
  position: absolute;
  left: 4px;
  color: var(--teal-400);
  font-size: 18px;
  line-height: 1;
}

.uncertainty-card {
  display: flex;
  gap: 12px;
  background: rgba(14, 24, 56, 0.5);
  font-size: 12.5px;
  color: var(--neutral-300);
}

.result-actions-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* Two Column Layout */
.two-col-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ==========================================================================
   Screen 3: International Food Explorer
   ========================================================================== */
.explorer-filter-bar {
  margin-bottom: 24px;
}

.search-input-wrapper {
  position: relative;
  margin-bottom: 14px;
}

.search-input-wrapper input {
  width: 100%;
  background-color: var(--navy-900);
  border: 1px solid var(--navy-700);
  border-radius: var(--radius-pill);
  padding: 14px 44px 14px 46px;
  color: var(--pure-white);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: all 0.2s ease;
}

.search-input-wrapper input:focus {
  border-color: var(--teal-500);
  box-shadow: 0 0 15px rgba(0, 194, 203, 0.2);
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  color: var(--neutral-400);
}

.search-clear-btn {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--neutral-400);
  font-size: 16px;
  cursor: pointer;
}

.category-pills-row {
  display: flex;
  overflow-x: auto;
  gap: 8px;
  padding-bottom: 8px;
  margin-bottom: 12px;
}

.cat-pill {
  background-color: var(--navy-900);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-pill);
  padding: 8px 16px;
  color: var(--neutral-300);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.cat-pill:hover {
  background-color: var(--navy-800);
  color: var(--pure-white);
}

.cat-pill.active {
  background: linear-gradient(135deg, rgba(0, 194, 203, 0.2), rgba(0, 194, 203, 0.05));
  border-color: var(--teal-500);
  color: var(--teal-300);
}

.secondary-filters-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--neutral-400);
}

.filter-group select {
  background-color: var(--navy-900);
  border: 1px solid var(--navy-700);
  border-radius: var(--radius-sm);
  color: var(--neutral-200);
  padding: 6px 12px;
  font-size: 12px;
  outline: none;
}

.results-count-badge {
  font-size: 12px;
  color: var(--teal-400);
  font-weight: 700;
}

/* Food Grid */
.food-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.food-card {
  background-color: var(--navy-900);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.2s ease;
}

.food-card:hover {
  background-color: var(--navy-850);
  border-color: var(--teal-500);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}

.food-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.food-card-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--pure-white);
}

.food-card-cat {
  font-size: 11px;
  color: var(--teal-400);
  font-weight: 600;
}

.food-card-serving {
  font-size: 12px;
  color: var(--neutral-400);
  margin-bottom: 12px;
}

.food-macros-row {
  display: flex;
  justify-content: space-between;
  background-color: var(--navy-850);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-md);
  padding: 8px 10px;
  margin-bottom: 12px;
}

.food-macro-mini {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 10px;
  color: var(--neutral-400);
  font-weight: 600;
}

.food-macro-mini strong {
  font-size: 12px;
  color: var(--pure-white);
}

.food-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.food-tag-pill {
  font-size: 10px;
  background-color: var(--navy-800);
  color: var(--neutral-300);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

/* ==========================================================================
   Screen 4: Nutrition Hub & Myth Busters
   ========================================================================== */
.hub-tab-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}

.hub-tab-btn {
  flex: 1;
  background-color: var(--navy-900);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-md);
  padding: 14px;
  color: var(--neutral-300);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hub-tab-btn.active {
  background: linear-gradient(135deg, rgba(0, 194, 203, 0.2), rgba(0, 194, 203, 0.05));
  border-color: var(--teal-500);
  color: var(--teal-300);
}

.learn-subtab-content {
  display: none;
}

.learn-subtab-content.active {
  display: block;
}

/* Articles Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.article-card {
  background-color: var(--navy-900);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: all 0.2s ease;
}

.article-card:hover {
  background-color: var(--navy-850);
  border-color: var(--teal-500);
  transform: translateY(-3px);
}

.article-meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--teal-400);
  font-weight: 700;
  margin-bottom: 8px;
}

.article-card-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--pure-white);
  line-height: 1.3;
  margin-bottom: 8px;
}

.article-card-summary {
  font-size: 13px;
  color: var(--neutral-400);
  line-height: 1.5;
  margin-bottom: 16px;
}

.article-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--neutral-400);
  border-top: 1px solid var(--navy-800);
  padding-top: 12px;
}

/* Myth Busters */
.myth-intro-card {
  background: var(--navy-900);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 16px;
}

.myths-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.myth-card {
  background-color: var(--navy-900);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.myth-card:hover {
  border-color: var(--navy-700);
  background-color: var(--navy-850);
}

.myth-header-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.myth-cross {
  font-size: 18px;
  color: #FF5376;
  line-height: 1;
}

.myth-statement {
  font-size: 15px;
  font-weight: 700;
  color: var(--pure-white);
  flex: 1;
}

.myth-body {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--navy-800);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.fact-box {
  background: rgba(16, 185, 129, 0.1);
  border-left: 3px solid var(--emerald-400);
  padding: 10px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.fact-box strong {
  color: var(--emerald-400);
  font-size: 13px;
  display: block;
}

.fact-box p {
  color: var(--neutral-200);
  font-size: 13px;
  margin-top: 2px;
}

.myth-evidence-text {
  font-size: 12.5px;
  color: var(--neutral-300);
  line-height: 1.5;
}

.myth-tip-text {
  font-size: 12px;
  color: var(--amber-400);
  font-weight: 600;
}

/* ==========================================================================
   Screen 5: AI Nutrition Agent
   ========================================================================== */
.context-banner {
  background: rgba(0, 194, 203, 0.1);
  border: 1px solid var(--teal-500);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.context-tag {
  font-size: 12px;
  color: var(--teal-400);
}

.context-info strong {
  font-size: 13px;
  color: var(--pure-white);
  margin-left: 6px;
}

.btn-text-close {
  background: none;
  border: none;
  color: var(--neutral-400);
  font-size: 12px;
  cursor: pointer;
}

.chat-container-card {
  display: flex;
  flex-direction: column;
  height: 640px;
  padding: 0;
  overflow: hidden;
}

.prompt-starters-wrapper {
  padding: 14px 16px;
  border-bottom: 1px solid var(--navy-800);
  background-color: var(--navy-850);
}

.starters-label {
  font-size: 11px;
  color: var(--neutral-400);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  display: block;
}

.prompt-chips-row {
  display: flex;
  overflow-x: auto;
  gap: 8px;
  padding-bottom: 4px;
}

.prompt-chip {
  background-color: var(--navy-900);
  border: 1px solid var(--navy-700);
  border-radius: var(--radius-pill);
  padding: 6px 12px;
  color: var(--neutral-200);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s ease;
}

.prompt-chip:hover {
  background-color: var(--teal-500);
  color: var(--navy-950);
}

.chat-messages-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-message {
  display: flex;
  flex-direction: column;
  max-width: 85%;
  animation: fadeIn 0.2s ease;
}

.chat-message.user {
  align-self: flex-end;
}

.chat-message.agent {
  align-self: flex-start;
}

.message-sender-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 4px;
}

.chat-message.user .message-sender-row {
  justify-content: flex-end;
  color: var(--teal-400);
}

.chat-message.agent .message-sender-row {
  color: var(--teal-300);
}

.message-bubble {
  padding: 14px 18px;
  border-radius: 18px;
  font-size: 13.5px;
  line-height: 1.6;
}

.chat-message.user .message-bubble {
  background: linear-gradient(135deg, var(--teal-600), #00828A);
  color: var(--pure-white);
  border-bottom-right-radius: 4px;
}

.chat-message.agent .message-bubble {
  background-color: var(--navy-850);
  border: 1px solid var(--navy-800);
  color: var(--neutral-100);
  border-bottom-left-radius: 4px;
}

.message-bubble p {
  margin-bottom: 8px;
}
.message-bubble p:last-child {
  margin-bottom: 0;
}
.message-bubble ul {
  padding-left: 18px;
  margin-bottom: 8px;
}
.message-bubble strong {
  color: var(--teal-200);
}

.agent-action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}

.typing-indicator {
  display: flex;
  align-items: center;
  padding: 10px 20px;
  background-color: var(--navy-850);
  border-top: 1px solid var(--navy-800);
}

.typing-dot {
  width: 6px;
  height: 6px;
  background-color: var(--teal-400);
  border-radius: 50%;
  margin-right: 4px;
  animation: typingBounce 1.2s infinite ease-in-out;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-5px); }
}

.chat-input-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background-color: var(--navy-900);
  border-top: 1px solid var(--navy-800);
}

.chat-input-bar textarea {
  flex: 1;
  background-color: var(--navy-850);
  border: 1px solid var(--navy-700);
  border-radius: var(--radius-pill);
  padding: 10px 18px;
  color: var(--pure-white);
  font-family: inherit;
  font-size: 13.5px;
  resize: none;
  outline: none;
  max-height: 80px;
}

.chat-input-bar textarea:focus {
  border-color: var(--teal-500);
}

.send-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  padding: 0;
}

/* ==========================================================================
   Screen 6: Personalized Diet Planner
   ========================================================================== */
.planner-goals-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.goal-card {
  background-color: var(--navy-900);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-md);
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.goal-card:hover {
  background-color: var(--navy-850);
  border-color: var(--navy-700);
}

.goal-card.active {
  background: linear-gradient(135deg, rgba(0, 194, 203, 0.15), rgba(0, 194, 203, 0.05));
  border-color: var(--teal-500);
  box-shadow: inset 0 0 12px rgba(0, 194, 203, 0.1);
}

.goal-icon {
  font-size: 24px;
  margin-bottom: 8px;
}

.goal-card h4 {
  font-size: 14px;
  font-weight: 800;
  color: var(--pure-white);
  margin-bottom: 4px;
}

.goal-card p {
  font-size: 11.5px;
  color: var(--neutral-400);
  line-height: 1.4;
}

.day-selector-row {
  display: flex;
  gap: 10px;
  margin: 18px 0;
}

.day-btn {
  flex: 1;
  background-color: var(--navy-900);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-pill);
  padding: 10px;
  color: var(--neutral-300);
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.day-btn.active {
  background-color: var(--teal-500);
  color: var(--navy-950);
  border-color: var(--teal-400);
}

.planner-meals-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.planner-meal-card {
  background-color: var(--navy-900);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-lg);
  padding: 18px;
}

.meal-badge-type {
  font-size: 11px;
  font-weight: 800;
  color: var(--teal-400);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
  display: block;
}

.planner-meal-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--pure-white);
  margin-bottom: 8px;
}

.planner-meal-macros {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--neutral-300);
  margin-bottom: 8px;
}

.planner-meal-notes {
  font-size: 12px;
  color: var(--neutral-400);
  background-color: var(--navy-850);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border-left: 2px solid var(--teal-500);
}

.planner-footer-bar {
  margin-top: 20px;
  text-align: center;
}

/* ==========================================================================
   Screen 7: My Nutrition & Settings
   ========================================================================== */
.profile-header-row {
  display: flex;
  align-items: center;
  gap: 20px;
}

.profile-avatar-img {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  object-fit: cover;
  border: 2px solid var(--teal-500);
}

.profile-meta h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--pure-white);
}

.profile-stats-row {
  font-size: 12px;
  color: var(--neutral-400);
  margin-top: 6px;
}

.logged-meals-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.logged-meal-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--navy-850);
  border: 1px solid var(--navy-800);
  border-radius: var(--radius-md);
  padding: 12px 16px;
}

.saved-items-compact-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.saved-item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--navy-850);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  cursor: pointer;
}

.api-key-input-row {
  display: flex;
  gap: 10px;
}

.key-input {
  flex: 1;
  background-color: var(--navy-850);
  border: 1px solid var(--navy-700);
  border-radius: var(--radius-pill);
  padding: 10px 16px;
  color: var(--pure-white);
  font-size: 13px;
  outline: none;
}

.attribution-card {
  background: linear-gradient(135deg, #0A1435 0%, #060D24 100%);
  border-color: var(--navy-700);
}

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

.attribution-logo-img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  object-fit: cover;
}

/* ==========================================================================
   Modals & Toasts
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(4, 8, 23, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.2s ease;
}

.modal-card {
  background-color: var(--navy-900);
  border: 1px solid var(--navy-700);
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 24px;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
  box-sizing: border-box;
}

.modal-close-button {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--navy-800);
  border: 1px solid var(--navy-700);
  color: var(--neutral-300);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  z-index: 10;
}

.modal-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.modal-actions-row {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  flex-wrap: wrap;
  margin-top: 20px;
}

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: calc(100vw - 48px);
}

.toast-notification {
  background: var(--navy-800);
  border: 1px solid var(--teal-500);
  color: var(--pure-white);
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
  animation: slideInRight 0.3s ease;
  word-break: break-word;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */
@media (max-width: 1024px) {
  .nav-sidebar {
    display: none;
  }

  .mobile-top-bar, .mobile-bottom-nav {
    display: flex;
  }

  .main-viewport {
    margin-left: 0;
    padding: calc(var(--mobile-top-height) + 16px) 16px calc(var(--mobile-nav-height) + env(safe-area-inset-bottom, 0px) + 32px);
    width: 100%;
    max-width: 100vw;
    box-sizing: border-box;
  }

  .hero-card {
    flex-direction: column;
    padding: 24px;
  }

  .hero-media {
    width: 100%;
  }

  .hero-banner-img {
    max-width: 100%;
    height: 180px;
  }

  .quick-action-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .planner-goals-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .macro-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .two-col-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .chat-container-card {
    height: calc(100vh - var(--mobile-top-height) - var(--mobile-nav-height) - 90px);
    min-height: 460px;
    max-height: 700px;
  }

  .chat-message {
    max-width: 92%;
  }

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

  .food-card-grid {
    grid-template-columns: 1fr;
  }

  .micros-pill-grid {
    grid-template-columns: 1fr;
  }

  .toast-container {
    bottom: calc(var(--mobile-nav-height) + 16px);
    right: 16px;
    left: 16px;
  }
}

@media (max-width: 640px) {
  :root {
    --mobile-top-height: 56px;
    --mobile-nav-height: 60px;
  }

  body {
    font-size: 14px;
  }

  .main-viewport {
    padding: calc(var(--mobile-top-height) + 12px) 12px calc(var(--mobile-nav-height) + env(safe-area-inset-bottom, 0px) + 36px);
  }

  .m3-card {
    padding: 16px;
    border-radius: var(--radius-md);
    margin-bottom: 14px;
  }

  .hero-card {
    padding: 18px 14px;
    border-radius: var(--radius-md);
    gap: 16px;
  }

  .hero-title {
    font-size: 20px;
    line-height: 1.25;
  }

  .hero-subtitle {
    font-size: 13px;
    line-height: 1.5;
    margin-bottom: 16px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-banner-img {
    height: 140px;
  }

  .philosophy-section {
    padding: 14px 10px;
  }

  .philosophy-step {
    min-width: 78px;
    padding: 8px 4px;
  }

  .quick-action-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .planner-goals-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .macro-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .macro-box.calories {
    grid-column: span 2;
  }

  .macro-box {
    padding: 10px 8px;
  }

  .macro-val {
    font-size: 15px;
  }

  .drop-zone {
    padding: 24px 12px;
  }

  .drop-zone-buttons {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }

  .drop-zone-buttons .btn {
    width: 100%;
  }

  .component-item-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 10px 12px;
  }

  .comp-macro-group {
    flex-wrap: wrap;
    gap: 8px;
    font-size: 11px;
  }

  .result-actions-bar {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }

  .result-actions-bar .btn {
    width: 100%;
  }

  .search-input-wrapper input {
    padding: 12px 36px 12px 38px;
    font-size: 13px;
  }

  .secondary-filters-row {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .filter-group {
    justify-content: space-between;
    width: 100%;
  }

  .filter-group select {
    flex: 1;
    min-width: 0;
  }

  .hub-tab-bar {
    gap: 6px;
  }

  .hub-tab-btn {
    padding: 10px 6px;
    font-size: 12.5px;
  }

  .day-selector-row {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    gap: 6px;
    padding-bottom: 4px;
    margin: 12px 0;
  }

  .day-btn {
    min-width: 42px;
    padding: 8px 4px;
    font-size: 12px;
    flex: 1;
    flex-shrink: 0;
    text-align: center;
  }

  .planner-meal-macros {
    flex-wrap: wrap;
    gap: 6px;
    font-size: 11.5px;
  }

  .planner-footer-bar .btn {
    width: 100%;
  }

  .profile-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .api-key-input-row {
    flex-direction: column;
    gap: 8px;
    width: 100%;
  }

  .api-key-input-row .btn {
    width: 100%;
  }

  .logged-meal-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    position: relative;
    padding-right: 36px;
  }

  .logged-meal-item .btn-text-close {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 16px;
    padding: 4px;
  }

  .modal-card {
    padding: 18px 14px;
    max-height: 90vh;
    border-radius: var(--radius-md);
  }

  .modal-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-right: 32px;
  }

  .modal-actions-row {
    flex-direction: column;
    width: 100%;
    gap: 8px;
  }

  .modal-actions-row .btn {
    width: 100%;
  }

  .chat-container-card {
    height: calc(100vh - var(--mobile-top-height) - var(--mobile-nav-height) - 80px);
    min-height: 420px;
  }

  .chat-input-bar {
    padding: 8px 10px;
    gap: 6px;
  }

  .chat-input-bar textarea {
    padding: 8px 12px;
    font-size: 13px;
  }

  .send-btn {
    width: 38px;
    height: 38px;
    min-width: 38px;
    min-height: 38px;
  }
}

@media (max-width: 360px) {
  .mobile-brand-title {
    font-size: 16px;
  }

  .settings-btn {
    padding: 4px 8px;
    font-size: 11px;
  }

  .bottom-nav-item {
    font-size: 9px;
    padding: 2px 1px;
  }

  .bottom-nav-item .icon {
    font-size: 16px;
  }

  .macro-val {
    font-size: 13px;
  }

  .macro-label {
    font-size: 9.5px;
  }

  .cat-pill {
    padding: 6px 10px;
    font-size: 11px;
  }

  .prompt-chip {
    padding: 4px 8px;
    font-size: 10.5px;
  }
}