/* ==========================================================================
   Seek-Goo Design System & Theme Definitions (styles.css)
   ========================================================================== */

   :root {
    /* Color Palette */
    --color-primary: #E05A47;       /* Terracotta/Coral - warm food accent */
    --color-primary-hover: #C54B3A;
    --color-primary-light: #FDF2F0;
    --color-secondary: #4E6E58;     /* Olive Green - organic element */
    --color-secondary-hover: #3E5846;
    
    --color-bg-base: #FDFBF7;       /* Warm Creamy Ivory */
    --color-bg-card: rgba(255, 255, 255, 0.75);
    --color-border: rgba(224, 219, 209, 0.6);
    --color-border-active: rgba(224, 90, 71, 0.4);
  
    --color-text-main: #2C2A29;     /* Deep Charcoal */
    --color-text-muted: #7A7672;    /* Warm Gray */
    --color-text-light: #FAF8F5;
  
    /* Category Colors */
    --cat-vegetables: #4E6E58;
    --cat-meat: #A94A42;
    --cat-processed: #D4A373;
    --cat-seasoning: #8A5A44;
  
    /* Font Stack */
    --font-heading: 'Outfit', 'Noto Sans KR', sans-serif;
    --font-body: 'Plus Jakarta Sans', 'Noto Sans KR', sans-serif;
  
    /* Shadow & Glow */
    --shadow-sm: 0 2px 8px rgba(44, 42, 41, 0.04);
    --shadow-md: 0 8px 24px rgba(44, 42, 41, 0.06);
    --shadow-lg: 0 16px 40px rgba(44, 42, 41, 0.1);
    --shadow-active: 0 8px 24px rgba(224, 90, 71, 0.15);
  
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
  
    /* Transition speeds */
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }
  
  /* ==========================================================================
     Global Reset & Base Layout
     ========================================================================== */
  
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    background-color: var(--color-bg-base);
    color: var(--color-text-main);
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
  }
  
  /* Background decorative glowing blobs */
  .bg-blob {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
  }
  .blob-1 {
    background-color: rgba(224, 90, 71, 0.12); /* Primary warm coral */
    top: -200px;
    right: -100px;
  }
  .blob-2 {
    background-color: rgba(78, 110, 88, 0.1); /* Olive green */
    bottom: -100px;
    left: -200px;
  }
  
  .app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 24px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    min-height: 100vh;
  }
  
  /* ==========================================================================
     App Header Styles
     ========================================================================== */
  
  .app-header {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
  }
  
  .header-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--color-border);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-primary);
    font-size: 0.95rem;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(8px);
  }
  
  .logo-icon {
    width: 18px;
    height: 18px;
  }
  
  .logo-text small {
    font-weight: 400;
    color: var(--color-text-muted);
    margin-left: 2px;
    font-size: 0.8rem;
  }
  
  .header-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 2.2rem;
    color: var(--color-text-main);
    letter-spacing: -0.03em;
    margin-top: 8px;
  }
  
  .header-subtitle {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    max-width: 600px;
  }
  
  .header-subtitle strong {
    color: var(--color-primary);
    font-weight: 600;
  }
  
  /* ==========================================================================
     Main Split Layout
     ========================================================================== */
  
  .main-content {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 32px;
    align-items: start;
  }
  
  /* ==========================================================================
     Left Panel: Ingredient Selection (Pills Board)
     ========================================================================== */
  
  .filter-panel {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 24px;
    max-height: calc(100vh - 80px);
    overflow: hidden; /* Changed to hidden to keep header sticky */
  }
  
  /* Panel Header Actions Flex Row */
  .panel-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  
  .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .panel-title {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--color-text-main);
  }
  
  .btn-clear-all {
    background: none;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
  }
  
  .btn-clear-all:hover {
    color: var(--color-primary);
    background-color: var(--color-primary-light);
  }
  
  .btn-clear-all svg {
    transition: transform var(--transition-normal);
  }
  
  .btn-clear-all:hover svg {
    transform: rotate(-180deg);
  }
  
  /* Search input box */
  .search-box {
    position: relative;
    display: flex;
    align-items: center;
  }
  
  .search-icon {
    position: absolute;
    left: 14px;
    color: var(--color-text-muted);
    pointer-events: none;
  }
  
  .search-box input {
    width: 100%;
    padding: 12px 14px 12px 42px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.8);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-text-main);
    outline: none;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
  }
  
  .search-box input:focus {
    border-color: var(--color-primary);
    background-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(224, 90, 71, 0.1);
  }
  
  /* Categories Container */
  .categories-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow-y: auto; /* Allow scroll inside categories only */
    flex-grow: 1;
    padding-right: 4px;
  }

  /* Custom scrollbar for categories container */
  .categories-container::-webkit-scrollbar {
    width: 6px;
  }
  .categories-container::-webkit-scrollbar-track {
    background: transparent;
  }
  .categories-container::-webkit-scrollbar-thumb {
    background: rgba(44, 42, 41, 0.15);
    border-radius: 3px;
  }
  
  .category-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  
  .category-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 6px;
  }
  
  .category-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-border);
  }
  
  /* Pills list wrapper */
  .pills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  
  /* Dynamic Ingredient Pill Item */
  .pill {
    background-color: #ffffff;
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    padding: 8px 14px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    user-select: none;
    transition: all var(--transition-fast);
  }
  
  .pill:hover {
    transform: translateY(-2px);
    border-color: var(--color-text-muted);
    box-shadow: var(--shadow-sm);
  }
  
  /* Selected Pill States by Category */
  .pill.selected[data-category="vegetables"] {
    background-color: var(--cat-vegetables);
    border-color: var(--cat-vegetables);
    color: var(--color-text-light);
    box-shadow: 0 4px 12px rgba(78, 110, 88, 0.25);
  }
  
  .pill.selected[data-category="meatSeafood"] {
    background-color: var(--cat-meat);
    border-color: var(--cat-meat);
    color: var(--color-text-light);
    box-shadow: 0 4px 12px rgba(169, 74, 66, 0.25);
  }
  
  .pill.selected[data-category="processedOthers"] {
    background-color: var(--cat-processed);
    border-color: var(--cat-processed);
    color: var(--color-text-light);
    box-shadow: 0 4px 12px rgba(212, 163, 115, 0.25);
  }
  
  .pill.selected[data-category="seasoning"] {
    background-color: var(--cat-seasoning);
    border-color: var(--cat-seasoning);
    color: var(--color-text-light);
    box-shadow: 0 4px 12px rgba(138, 90, 68, 0.25);
  }
  
  /* Pill checkbox indicator */
  .pill::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-text-muted);
    transition: all var(--transition-fast);
  }
  
  .pill.selected::before {
    width: 8px;
    height: 8px;
    background-color: #ffffff;
    box-shadow: 0 0 4px rgba(255, 255, 255, 0.5);
  }
  
  /* Skeletons */
  .skeleton-categories {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .skeleton-category {
    height: 50px;
    background: linear-gradient(90deg, #e5e5e5 25%, #f2f2f2 50%, #e5e5e5 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--radius-sm);
  }
  @keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
  }
  
  /* ==========================================================================
     Right Panel: Recipe Results & Dynamic Feed
     ========================================================================== */
  
  .results-panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
    min-width: 0; /* Prevents overflow in grid items */
  }
  
  /* Active filter banner */
  .active-filters-bar {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all var(--transition-normal);
  }
  
  .active-filters-bar.active {
    border-color: var(--color-border-active);
    background-color: rgba(255, 255, 255, 0.95);
  }
  
  .active-filters-summary {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  
  .active-count-badge {
    background-color: var(--color-text-muted);
    color: var(--color-text-light);
    font-size: 0.8rem;
    font-weight: 700;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
  }
  
  .active-filters-bar.active .active-count-badge {
    background-color: var(--color-primary);
  }
  
  .summary-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-muted);
  }
  
  .active-filters-bar.active .summary-text {
    color: var(--color-text-main);
  }
  
  .active-pills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }
  
  .active-pill {
    font-size: 0.8rem;
    font-weight: 600;
    background-color: var(--color-primary-light);
    border: 1px solid rgba(224, 90, 71, 0.2);
    color: var(--color-primary);
    padding: 4px 10px 4px 8px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    animation: pillScale 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  }
  
  .active-pill:hover {
    background-color: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
  }
  
  .active-pill svg {
    opacity: 0.7;
  }
  
  .active-pill:hover svg {
    opacity: 1;
  }
  
  @keyframes pillScale {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
  }
  
  /* Results Header */
  .results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .results-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-main);
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  
  .recipe-count-badge {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
  }
  
  /* ==========================================================================
     Recipe Grid & Cards
     ========================================================================== */
  
  .recipes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
  }
  
  .recipe-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    cursor: pointer;
    position: relative;
    backdrop-filter: blur(12px);
    transition: all var(--transition-normal);
  }
  
  .recipe-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border-active);
  }
  
  /* Recipe Image block */
  .card-image-wrapper {
    position: relative;
    height: 180px;
    width: 100%;
    overflow: hidden;
    background-color: #efece6;
  }
  
  .card-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }
  
  .recipe-card:hover .card-image-wrapper img {
    transform: scale(1.05);
  }
  
  /* Card category label tag */
  .card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(44, 42, 41, 0.75);
    backdrop-filter: blur(6px);
    color: var(--color-text-light);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    z-index: 2;
  }
  
  /* Card Detail Content */
  .card-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    gap: 12px;
  }
  
  .card-meta {
    display: flex;
    gap: 12px;
    align-items: center;
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
  }
  
  .meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
  }
  
  .card-name {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.3;
    letter-spacing: -0.01em;
    /* Multiline Clamp */
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .card-description {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.4;
    /* Multiline Clamp */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 4px;
  }
  
  .card-ingredients {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: auto;
    border-top: 1px solid rgba(224, 219, 209, 0.4);
    padding-top: 12px;
  }
  
  .card-ing-tag {
    font-size: 0.75rem;
    font-weight: 500;
    background-color: rgba(224, 219, 209, 0.3);
    color: var(--color-text-muted);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
  }
  
  /* Highlighting when selected in parent filters */
  .card-ing-tag.highlight {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 600;
    border: 1px solid rgba(224, 90, 71, 0.2);
  }
  
  /* Filter Fade Animations */
  .recipe-card.fade-in {
    animation: cardEnter 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
  
  @keyframes cardEnter {
    from {
      opacity: 0;
      transform: translateY(20px) scale(0.96);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
    }
  }
  
  /* ==========================================================================
     Empty & Recommendation States
     ========================================================================== */
  
  .empty-state-container {
    text-align: center;
    background: var(--color-bg-card);
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: cardEnter 0.5s ease-out;
  }
  
  .empty-illustration {
    width: 80px;
    height: 80px;
    color: var(--color-text-muted);
    opacity: 0.5;
    margin-bottom: 20px;
  }
  
  .empty-illustration svg {
    width: 100%;
    height: 100%;
  }
  
  .empty-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-text-main);
    margin-bottom: 8px;
  }
  
  .empty-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    max-width: 500px;
    margin-bottom: 40px;
  }
  
  /* Recommendations block */
  .partial-matches-section {
    width: 100%;
    border-top: 1px solid var(--color-border);
    padding-top: 40px;
    text-align: left;
  }
  
  .partial-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 20px;
  }
  
  .partial-grid {
    margin-top: 12px;
  }
  
  /* ==========================================================================
     Recipe Detail Modal
     ========================================================================== */
  
  .modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(44, 42, 41, 0.4);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
  }
  
  .modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
  }
  
  .modal-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 680px;
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    position: relative;
    transform: translateY(40px) scale(0.95);
    transition: transform var(--transition-normal);
  }
  
  .modal-overlay.open .modal-card {
    transform: translateY(0) scale(1);
  }
  
  .modal-close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
  }
  
  .modal-close-btn:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary-light);
    transform: rotate(90deg);
  }
  
  /* Details content injection */
  .modal-img-header {
    height: auto;
    max-height: 380px;
    width: 100%;
    overflow: hidden;
    position: relative;
    background-color: #f7f5f0;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
  }
  
  .modal-img-header img {
    width: 100%;
    height: auto;
    max-height: 380px;
    object-fit: contain;
  }
  
  .modal-img-header::after {
    content: none;
  }
  
  .modal-main-info {
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  
  .modal-title-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  
  .modal-cat {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  
  .modal-name {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-main);
    letter-spacing: -0.02em;
    line-height: 1.25;
  }
  
  .modal-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.5;
  }
  
  .modal-meta-chips {
    display: flex;
    gap: 16px;
    border-top: 1px solid rgba(224, 219, 209, 0.4);
    border-bottom: 1px solid rgba(224, 219, 209, 0.4);
    padding: 14px 0;
  }
  
  .meta-chip {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: 6px;
  }
  
  .meta-chip svg {
    color: var(--color-primary);
  }
  
  /* Ingredients section in Modal */
  .modal-section-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 12px;
  }
  
  .modal-ing-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .modal-ing-item {
    font-size: 0.85rem;
    font-weight: 500;
    background-color: var(--color-bg-base);
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    padding: 6px 12px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  
  .modal-ing-item.highlighted {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-color: rgba(224, 90, 71, 0.3);
    font-weight: 600;
  }
  
  .modal-ing-item.highlighted::before {
    content: '✓';
    font-size: 0.8rem;
    font-weight: 700;
  }
  
  /* Instructions (Step by step) in Modal */
  .modal-steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  
  .step-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
  }
  
  .step-num {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
  }
  
  .step-text {
    font-size: 0.95rem;
    color: var(--color-text-main);
    padding-top: 3px;
  }
  
  /* ==========================================================================
     Footer
     ========================================================================== */
  
  .app-footer {
    margin-top: auto;
    text-align: center;
    padding: 40px 0 20px 0;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.85rem;
  }
  
  /* Default hidden styles for mobile drawer controls */
  .filter-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(44, 42, 41, 0.4);
    backdrop-filter: blur(4px);
    z-index: 850;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
  }

  .filter-overlay.open {
    opacity: 1;
    pointer-events: auto;
  }

  .mobile-filter-trigger-bar {
    display: none;
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 340px;
    z-index: 800;
  }

  .btn-mobile-filter {
    width: 100%;
    background-color: var(--color-primary);
    color: #ffffff;
    border: none;
    padding: 14px 24px;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 8px 24px rgba(224, 90, 71, 0.35);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-fast);
  }

  .btn-mobile-filter:hover {
    background-color: var(--color-primary-hover);
    transform: scale(1.02);
  }

  .btn-mobile-filter .filter-count-badge {
    background-color: #ffffff;
    color: var(--color-primary);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
  }

  .btn-close-filter-mobile {
    display: none; /* Flex container on mobile */
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--color-primary-light);
    border: 1px solid rgba(224, 90, 71, 0.2);
    color: var(--color-primary);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all var(--transition-fast);
  }

  .btn-close-filter-mobile svg {
    pointer-events: none; /* Prevent SVG elements from stealing clicks */
  }

  .btn-close-filter-mobile:hover {
    background: var(--color-primary);
    color: #ffffff;
  }

  /* ==========================================================================
     Responsive Media Queries
     ========================================================================== */

  @media (max-width: 1024px) {
    .app-container {
      padding-bottom: 90px; /* Prevent bottom recipes from being hidden by peek handle */
    }

    .main-content {
      grid-template-columns: 1fr;
      gap: 24px;
    }
  
    .filter-panel {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      height: 80vh;
      max-height: 80vh;
      z-index: 900;
      border-radius: var(--radius-lg) var(--radius-lg) 0 0;
      border-bottom: none;
      transform: translateY(calc(100% - 72px)); /* Peek header with up arrow at the bottom of the screen */
      margin: 0;
      box-shadow: 0 -10px 30px rgba(44, 42, 41, 0.15);
      transition: transform var(--transition-normal);
    }

    .filter-panel.open {
      transform: translateY(0);
    }

    .mobile-filter-trigger-bar {
      display: none !important; /* Hide redundant floating bar since bottom sheet handle is always visible */
    }

    .btn-close-filter-mobile {
      display: flex;
    }
  }
  
  @media (max-width: 768px) {
    .app-container {
      padding: 24px 16px;
    }
  
    .header-title {
      font-size: 1.8rem;
    }
  
    .recipes-grid {
      grid-template-columns: 1fr;
    }
  
    .modal-card {
      max-height: calc(100vh - 32px);
    }
  
    .modal-main-info {
      padding: 20px;
    }
  
    .modal-img-header {
      height: 180px;
    }
  }

  /* ==========================================================================
     Google AdSense Banner Styling
     ========================================================================== */

  .ad-banner-top {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(12px);
    margin-bottom: -8px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
  }

  .ad-banner-sidebar {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(12px);
    margin-top: 10px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
  }

  /* Beautiful placeholder style before AdSense script loads an iframe */
  .adsense-placeholder-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    pointer-events: none;
    border: 1px dashed var(--color-border);
    background: rgba(44, 42, 41, 0.015);
    border-radius: var(--radius-sm);
    padding: 16px;
    box-sizing: border-box;
  }

  .ad-banner-top .adsense-placeholder-inner {
    min-height: 90px;
  }

  .ad-banner-sidebar .adsense-placeholder-inner {
    min-height: 240px;
  }

  .adsense-placeholder-inner .ad-badge {
    align-self: center;
    margin-bottom: 6px;
    background-color: rgba(44, 42, 41, 0.05);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
  }

  .adsense-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--color-text-main);
    margin-bottom: 4px;
    line-height: 1.4;
  }

  .adsense-tip {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    opacity: 0.85;
  }

  /* Automatically hide the placeholder block when Google AdSense injects the iframe content */
  .ad-banner-top:has(ins:not(:empty)) .adsense-placeholder-inner,
  .ad-banner-sidebar:has(ins:not(:empty)) .adsense-placeholder-inner {
    display: none;
  }

  .ad-banner-top:hover, .ad-banner-sidebar:hover {
    border-color: var(--color-border-active);
    box-shadow: var(--shadow-md);
  }

  /* SEO About Section */
  .about-section {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 24px 32px;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(12px);
    margin-top: 32px;
    margin-bottom: 16px;
    transition: all var(--transition-normal);
  }

  .about-section:hover {
    border-color: var(--color-border-active);
    box-shadow: var(--shadow-md);
  }

  .about-content h2 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
  }

  .about-content p {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 10px;
  }

  .about-content p:last-child {
    margin-bottom: 0;
  }