/* Layout */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-section h1 {
  font-size: 1.5rem;
  margin-bottom: 0;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--canvas);
  padding: 6px 14px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border);
}

.user-avatar {
  width: 18px;
  height: 18px;
  border-radius: 50%;
}

/* Main Grid Layout */
.main-layout {
  display: grid;
  grid-template-columns: 260px 1fr 300px;
  flex: 1;
  padding: 40px;
  gap: 40px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* Panels */
.panel-title {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.filter-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.recommendations-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.history-panel {
  display: flex;
  flex-direction: column;
  gap: 20px;
  border-left: 1px solid var(--border);
  padding-left: 40px;
}

/* Recommendation Grid */
.recommendation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

/* Detail panel slide in */
.detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 520px;
  height: 100vh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  box-shadow: -8px 0 24px rgba(0,0,0,0.03);
  z-index: 500;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.detail-panel.open {
  transform: translateX(0);
}

.detail-header {
  padding: 30px 40px 20px;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.detail-close {
  position: absolute;
  top: 24px;
  right: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 20px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.detail-close:hover {
  background: var(--canvas);
  color: var(--text-primary);
}

.detail-body {
  flex: 1;
  overflow-y: auto;
  padding: 30px 40px;
}

/* Modal backdrop for detail panel */
.backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0,0,0,0.15);
  backdrop-filter: blur(2px);
  z-index: 400;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

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

/* Persona Selection Grid (Home) */
.persona-container {
  max-width: 900px;
  margin: 80px auto;
  padding: 0 40px;
}

.persona-title-group {
  text-align: center;
  margin-bottom: 48px;
}

.persona-title-group h2 {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.persona-title-group p {
  color: var(--text-secondary);
  font-size: 16px;
}

.persona-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.persona-card {
  cursor: pointer;
}

.persona-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.persona-avatar-large {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-weight: 700;
  font-size: 18px;
}

.persona-name {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
}

/* Stats bar */
.stats-bar {
  display: flex;
  justify-content: space-around;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 40px;
}

.stat-item {
  text-align: center;
}

.stat-val {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 18px;
  color: var(--text-primary);
}

.stat-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Responsive adjustment */
@media (max-width: 1024px) {
  .main-layout {
    grid-template-columns: 220px 1fr;
  }
  .history-panel {
    grid-column: 1 / -1;
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--border);
    padding-top: 40px;
  }
}

/* Navbar & Header styling */
.nav-search-form {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 16px;
  background: var(--canvas);
  width: 300px;
  transition: border-color 0.15s ease;
}
.nav-search-form:focus-within {
  border-color: var(--text-primary);
}
.nav-search-input {
  border: none;
  background: transparent;
  outline: none;
  flex: 1;
  font-size: 13px;
  color: var(--text-primary);
}
.nav-search-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}
.nav-search-btn:hover {
  color: var(--text-primary);
}
.nav-user-section {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-user-profile {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--canvas);
  padding: 4px 12px 4px 4px;
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}
.nav-user-profile:hover {
  background: var(--surface-hover);
  border-color: #D6D5D2;
}
.nav-avatar-small {
  background: var(--text-primary);
  color: var(--surface);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 11px;
}
.nav-username {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-logout-btn {
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-logout-btn i {
  font-size: 13px;
}

/* Dashboard layouts */
.dashboard-content, .search-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  width: 100%;
}
.dashboard-hero {
  margin-bottom: 32px;
}
.dashboard-hero h2 {
  font-size: 2.2rem;
  font-family: var(--font-serif);
  font-weight: 500;
  margin-bottom: 8px;
}
.dashboard-hero-desc {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 0;
}
.row-section {
  margin-bottom: 40px;
  position: relative;
}
.row-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.row-header h3 {
  font-size: 1.5rem;
  font-family: var(--font-serif);
  font-weight: 500;
  margin-bottom: 0;
}
.filter-wrapper {
  position: relative;
}

/* Nutrition Filter Overlay */
.filter-overlay {
  display: none;
  position: absolute;
  right: 0;
  top: 38px;
  z-index: 100;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  width: 320px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.06);
}
.filter-overlay h4 {
  margin-bottom: 16px;
  font-size: 14px;
  font-family: var(--font-sans);
  font-weight: 600;
}
.filter-label-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}
.filter-label-row label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
}
.filter-label-row span {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}
.filter-overlay input[type="range"] {
  width: 100%;
  accent-color: var(--text-primary);
}
.filter-actions-row {
  display: flex;
  gap: 8px;
}
.filter-actions-row .btn-secondary {
  flex: 1;
  padding: 6px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}
.filter-actions-row .btn-primary {
  flex: 2;
  padding: 6px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

/* Scroll Feedback */
.scroll-loading, .scroll-error, .scroll-empty {
  padding: 20px;
  color: var(--text-secondary);
  text-align: center;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.scroll-loading i, .scroll-error i, .scroll-empty i {
  font-size: 24px;
}
.scroll-loading p, .scroll-error p, .scroll-empty p {
  font-size: 13px;
  margin-bottom: 0;
}
.scroll-error {
  color: var(--pale-red-text);
}

/* Recipe Card details */
.recipe-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.recipe-card-score-container {
  margin-top: auto;
}
.recipe-card-score-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  margin-bottom: 2px;
  font-weight: 500;
}
.recipe-card-score-val {
  font-weight: 600;
}
.recipe-card-rating {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 3px;
}
.recipe-card-rating i {
  color: #F59E0B;
  font-size: 13px;
}

/* Detail page styling */
.detail-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px;
  width: 100%;
}
.detail-breadcrumbs {
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}
.detail-back-link {
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.15s ease;
}
.detail-back-link:hover {
  color: var(--text-primary);
}
.detail-breadcrumb-separator {
  color: var(--border);
}
.detail-breadcrumb-title {
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 300px;
}
.detail-loading {
  text-align: center;
  color: var(--text-secondary);
  padding: 40px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.detail-loading i {
  font-size: 32px;
}
.recipe-detail-header-block {
  margin-bottom: 24px;
}
.recipe-detail-title {
  font-size: 2.2rem;
  font-family: var(--font-serif);
  font-weight: 500;
  margin-bottom: 12px;
  line-height: 1.2;
}
.recipe-detail-desc {
  font-size: 14px;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.5;
  margin-bottom: 16px;
}
.recipe-detail-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.detail-tag-badge {
  background: var(--canvas);
  color: var(--text-secondary);
  font-size: 10px;
  border: 1px solid var(--border);
  padding: 4px 10px;
}
.recipe-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.stat-card {
  padding: 16px;
  text-align: center;
  border-radius: var(--radius-md);
}
.stat-card-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.stat-card-val {
  font-size: 16px;
}
.recipe-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

/* Score widget styling */
.score-widget-card {
  padding: 16px;
  background: var(--canvas);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  border: 1px solid var(--border);
}
.score-widget-title {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.analysis-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  text-align: center;
}
.analysis-stat-block {
  padding: 0;
}
.analysis-stat-block.border-right {
  border-right: 1px solid var(--border);
  padding-right: 6px;
}
.analysis-stat-val {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}
.analysis-stat-val.green {
  color: var(--pale-green-text);
}
.analysis-stat-label {
  font-size: 10px;
  color: var(--text-secondary);
}
.score-widget-divider {
  margin: 10px 0;
  border: 0;
  border-top: 1px solid var(--border);
}
.score-widget-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}
.score-widget-row.highlight {
  margin-top: 4px;
}
.score-widget-val {
  font-family: var(--font-sans);
  color: var(--text-primary);
}
.score-widget-final-val {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text-primary);
}

/* Sections inside detail */
.recipe-detail-section {
  margin-bottom: 32px;
}
.section-heading {
  font-size: 1.4rem;
  font-family: var(--font-serif);
  margin-bottom: 16px;
}
.nutrition-profile-card {
  padding: 20px;
  border-radius: var(--radius-md);
}
.nutrition-item-row {
  margin-bottom: 12px;
}
.nutrition-item-row:last-child {
  margin-bottom: 0;
}
.nutrition-item-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  margin-bottom: 4px;
}
.nutrition-item-desc {
  font-size: 11px;
  color: var(--text-secondary);
}
.nutrition-item-val {
  font-family: var(--font-mono);
  font-weight: 600;
}
.thin-track {
  height: 4px;
  margin-top: 0;
  margin-bottom: 0;
}
.ingredients-card {
  padding: 20px;
  border-radius: var(--radius-md);
}
.ingredients-list {
  padding-left: 0;
  margin-bottom: 0;
}
.ingredient-item {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 14px;
}
.ingredient-item:last-child {
  margin-bottom: 0;
}
.ingredient-checkbox {
  margin-top: 4px;
  accent-color: var(--text-primary);
  cursor: pointer;
}
.ingredient-text {
  cursor: pointer;
}
.steps-card {
  padding: 24px;
  border-radius: var(--radius-md);
}
.step-item {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  align-items: flex-start;
}
.step-item:last-child {
  margin-bottom: 0;
}
.step-number {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--canvas);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  flex: 1;
}
.rating-card {
  padding: 24px;
  border-radius: var(--radius-md);
  border-top: 2px solid var(--text-primary);
}
.rating-card-title {
  font-size: 1.3rem;
  font-family: var(--font-serif);
  margin-bottom: 8px;
}
.rating-card-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 18px;
}
.rating-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.rating-submit-btn {
  border-radius: 20px;
  padding: 8px 20px;
}

/* Search page specific styling */
.search-header-block {
  margin-bottom: 24px;
}
.search-title {
  font-size: 2rem;
  font-family: var(--font-serif);
  font-weight: 500;
  margin-bottom: 8px;
}
.search-subtitle {
  color: var(--text-secondary);
  font-size: 14px;
}
.search-query-highlight {
  color: var(--text-primary);
}
.search-loading {
  text-align: center;
  color: var(--text-secondary);
  padding: 40px 0;
}
.search-empty {
  text-align: center;
  padding: 40px 0;
  color: var(--text-secondary);
}
.search-empty i {
  font-size: 48px;
  margin-bottom: 16px;
  color: var(--border);
}
.search-empty p {
  font-size: 15px;
  margin-bottom: 16px;
}

/* Logo section style fixes */
.logo-section {
  cursor: pointer;
  transition: opacity 0.15s ease;
}
.logo-section:hover {
  opacity: 0.8;
}
.logo-section i {
  font-size: 24px;
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .main-layout {
    grid-template-columns: 1fr;
    padding: 20px;
    gap: 30px;
  }
  .persona-grid {
    grid-template-columns: 1fr;
  }
  .detail-panel {
    width: 100%;
  }
  
  /* Navbar responsiveness */
  .app-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    gap: 12px;
  }
  .logo-section {
    order: 1;
    justify-content: flex-start;
  }
  .user-section {
    order: 2;
    width: auto;
    justify-content: flex-end;
    gap: 8px;
  }
  .search-section {
    order: 3;
    width: 100%;
  }
  .nav-search-form {
    width: 100%;
    margin: 0;
  }
  .nav-username {
    max-width: 100px;
  }
  .nav-logout-btn {
    padding: 8px;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
  }
  .nav-logout-btn .logout-text {
    display: none;
  }
  .nav-logout-btn i {
    margin: 0;
    font-size: 15px;
  }

  /* Content containers */
  .dashboard-content, .search-content, .detail-content {
    padding: 24px 16px;
  }
  .dashboard-hero h2 {
    font-size: 1.8rem;
  }
  .recipe-detail-title {
    font-size: 1.8rem;
  }

  /* Filter overlay responsiveness */
  .filter-wrapper {
    position: static;
  }
  .filter-overlay {
    position: absolute;
    right: 16px;
    left: 16px;
    width: auto;
    margin: 0;
    top: 46px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    z-index: 1000;
  }

  /* Recipe detail grid stacking */
  .recipe-detail-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 24px;
  }

  .logo-large {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .dashboard-hero h2, .recipe-detail-title {
    font-size: 1.5rem;
  }
  .row-header h3 {
    font-size: 1.25rem;
  }
  .recipe-stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .stat-card {
    padding: 12px;
  }
  .analysis-stats-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .analysis-stat-block.border-right {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-right: 0;
    padding-bottom: 8px;
  }
  
  .rating-card-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  .rating-stars {
    justify-content: center;
  }
}