:root {
  --bg: #fdf7f2;
  --card: #ffffff;
  --text: #333333;
  --muted: #6b6b6b;
  --pink: #f7d8df;
  --mint: #d7f0e8;
  --cream: #fff7ed;
  --safe: #c7f0d8;
  --avoid: #f7d6d6;
  --border: #e6e2dd;
  --shadow: 0 20px 60px rgba(53, 39, 64, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, rgba(247, 216, 223, 0.32), transparent 28%),
              radial-gradient(circle at bottom right, rgba(215, 240, 232, 0.35), transparent 26%),
              var(--bg);
  color: var(--text);
}

.app-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

.hero {
  padding: 28px 24px;
  border-radius: 28px;
  background: linear-gradient(135deg, #fff9f4, #effbf7);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow);
  margin-bottom: 28px;
  position: relative;
  z-index: 30;
}

.hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.hero-title {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
  text-decoration: none;
  color: inherit;
}

.hero-title h1 {
  margin: 0;
}

.menu-toggle-btn {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  padding: 10px 9px;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.menu-icon {
  font-size: 2.35rem;
  color: #6a4f63;
}

.mobile-menu-overlay {
  display: none;
}

.mobile-menu-overlay[hidden] {
  display: none !important;
}

.hero-logo {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  object-fit: contain;
}

.eyebrow {
  margin: 0 0 12px;
  color: #9e7a8d;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.05;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}

.controls {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 26px;
  position: relative;
}

.control-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.apply-filters-btn {
  display: none;
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: none;
  background: #ef3d4a;
  color: #fff;
  font-weight: 700;
  font-size: 1.12rem;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.apply-filters-icon {
  font-size: 1.8em;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.apply-filters-btn:hover,
.apply-filters-btn:focus-visible {
  background: #eab8cb;
  outline: none;
}

.filter-actions {
  position: absolute;
  right: 0;
  top: 0;
  display: block;
  width: auto;
  gap: 0;
}

.reset-filters-btn {
  display: inline-block;
  padding: 0;
  border: none;
  background: transparent;
  color: #ef3d4a;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: all 0.2s ease;
}

.reset-filters-btn:hover,
.reset-filters-btn:focus-visible {
  color: #d73043;
  outline: none;
}

.control-item label {
  font-weight: 600;
  color: #5e4a5a;
}

.saved-filter-toggle {
  min-height: 50px;
  padding: 11px 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  cursor: pointer;
  user-select: none;
}

.saved-filter-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.saved-filter-box {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  border: 1px solid #f1b1ba;
  background: #fff8f9;
  color: #ef3d4a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.18rem;
  line-height: 1;
}

.saved-filter-toggle.has-filter {
  border-color: #ef3d4a;
  box-shadow: 0 0 0 2px rgba(239, 61, 74, 0.12);
}

.saved-filter-toggle.has-filter .saved-filter-box {
  background: #ef3d4a;
  color: #fff;
}

#weekSelect,
#typeSelect,
#categorySelect,
#searchInput,
#nutritionInput,
#conditionInput {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 1rem;
  color: var(--text);
}

#weekSelect.has-filter,
#typeSelect.has-filter,
#categorySelect.has-filter,
#searchInput.has-filter,
#nutritionInput.has-filter,
#conditionInput.has-filter {
  border-color: #ef3d4a;
  box-shadow: 0 0 0 2px rgba(239, 61, 74, 0.12);
}

.multi-autocomplete {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.selected-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.selected-chips:empty {
  display: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: #fbf6f2;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.95rem;
}

.chip-remove {
  border: none;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
}

.autocomplete-list {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  max-height: 240px;
  overflow: auto;
  margin: 0;
  padding: 8px 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 14px 36px rgba(53, 39, 64, 0.12);
  z-index: 20;
  list-style: none;
}

.autocomplete-list[hidden] {
  display: none;
}

.autocomplete-item {
  padding: 10px 16px;
  cursor: pointer;
  color: var(--text);
}

.autocomplete-item:hover,
.autocomplete-item:focus {
  background: #f7f3f1;
  outline: none;
}

.autocomplete-empty {
  padding: 10px 16px;
  color: var(--muted);
}

#searchInput {
  min-width: 0;
}

.toggle-group {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.toggle-btn {
  flex: 1;
  min-width: 140px;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.toggle-btn:hover,
.toggle-btn:focus-visible {
  transform: translateY(-1px);
}

.toggle-btn.active {
  border-color: #b38caa;
  background: #f9e6ee;
}

.category-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.category-btn {
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.category-btn:hover {
  transform: translateY(-1px);
  border-color: #d4a5c1;
}

.category-btn.active {
  border-color: #d7b5cc;
  background: #f5e8ef;
  color: #6d4a62;
}

.card-image {
  width: 100%;
  height: 160px;
  border-radius: 20px;
  background: linear-gradient(135deg, #faf3f0, #f5f0f7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  padding: 24px;
  border-radius: 28px;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: 0 12px 30px rgba(44, 32, 47, 0.08);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.save-food-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 34px;
  height: 34px;
  border-radius: 14px;
  border: none;
  background: transparent;
  color: rgba(91, 91, 91, 0.42);
  z-index: 10;
  font-size: 1.18rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.save-food-btn:hover,
.save-food-btn:focus-visible {
  transform: translateY(-1px);
  background: transparent;
  color: rgba(91, 91, 91, 0.68);
  outline: none;
}

.save-food-btn[aria-pressed="true"] {
  border: none;
  background: #fff0f3;
  color: #ff6f86;
}

.week-badge {
  align-self: flex-start;
  background: #fff0f4;
  color: #8a405d;
  padding: 9px 13px;
  border-radius: 14px;
  font-size: 0.92rem;
  font-weight: 400;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  flex: 0 0 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  line-height: 1;
}

.card.safe .card-icon {
  background: rgba(62, 171, 123, 0.15);
  color: #2e7d53;
}

.card.avoid .card-icon {
  background: rgba(234, 101, 104, 0.15);
  color: #c92b2b;
}

.card-title {
  margin: 0;
  font-size: 1.2rem;
  line-height: 1.3;
}

.card-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.meta-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.meta-list li {
  background: var(--cream);
  color: #5f4c56;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 0.92rem;
}

.meta-list .card-tag-item {
  padding: 0;
  background: transparent;
}

.card-tag-btn {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 9px 13px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: var(--cream);
  color: #5f4c56;
  font: inherit;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.card-tag-btn:hover,
.card-tag-btn:focus-visible {
  border-color: #ef3d4a;
  color: #8a2530;
  outline: none;
  transform: translateY(-1px);
}

.card-tag-btn[aria-pressed="true"] {
  border-color: #ef3d4a;
  background: #fff0f2;
  color: #8a2530;
  box-shadow: 0 0 0 2px rgba(239, 61, 74, 0.1);
}

.nutrition-list li {
  background: #f1f1f1;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 14px;
  font-weight: 400;
}

.nutrition-list .card-tag-item {
  padding: 0;
  background: transparent;
}

.nutrition-list .card-tag-btn {
  min-height: 34px;
  padding: 7px 11px;
  background: #f1f1f1;
  color: var(--muted);
}

.nutrition-list .card-tag-btn[aria-pressed="true"] {
  background: #fff0f2;
  color: #8a2530;
}

.card-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.no-results {
  grid-column: 1 / -1;
  padding: 28px;
  border-radius: 24px;
  background: #fff4f4;
  border: 1px solid #f7d6d6;
  color: #8a3941;
  font-size: 1rem;
  text-align: center;
}

.load-more-btn {
  display: block;
  margin: 26px auto 0;
  padding: 14px 28px;
  border: none;
  border-radius: 999px;
  background: #ef3d4a;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(239, 61, 74, 0.22);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.load-more-btn:hover,
.load-more-btn:focus-visible {
  background: #d73043;
  box-shadow: 0 16px 34px rgba(239, 61, 74, 0.28);
  outline: none;
  transform: translateY(-1px);
}

.load-more-btn[hidden] {
  display: none;
}

.footer {
  margin-top: 36px;
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(231, 212, 221, 0.9);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.footer p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 0.98rem;
}

.footer p + p {
  margin-top: 12px;
}

.footer-copy {
  margin-top: 18px;
  text-align: center;
  color: rgba(107, 107, 107, 0.85);
  font-size: 0.92rem;
}

.scroll-top-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background: var(--mint);
  color: #1d5c40;
  font-size: 1.4rem;
  display: grid;
  place-items: center;
  box-shadow: 0 14px 28px rgba(53, 39, 64, 0.18);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
  z-index: 100;
}

.scroll-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-top-btn:hover,
.scroll-top-btn:focus-visible {
  background: #b8e4d4;
  outline: none;
}

@media (max-width: 640px) {
  body.mobile-menu-open {
    overflow: hidden;
  }

  .app-shell {
    padding: 14px 14px 28px;
  }

  .scroll-top-btn {
    right: 16px;
    bottom: 16px;
  }

  .hero {
    padding: 22px 18px;
    margin-bottom: 14px;
    transition: border-radius 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  }

  .hero.hero-scrolled {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    margin: 0;
    border-radius: 0 0 18px 18px;
    padding: 10px 16px;
    box-shadow: 0 10px 24px rgba(44, 32, 47, 0.16);
    z-index: 120;
  }

  .hero.hero-scrolled .hero-title h1 {
    font-size: 1.25rem;
  }

  .hero-subtext {
    margin-top: 12px;
  }

  .hero.hero-scrolled .hero-subtext {
    display: none;
  }

  .hero-title {
    flex-wrap: nowrap;
    gap: 8px;
  }

  .hero-title h1 {
    font-size: 1.35rem;
    line-height: 1.2;
  }

  .hero-logo {
    width: 40px;
    height: 40px;
    border-radius: 10px;
  }

  .hero.hero-scrolled .hero-logo {
    width: 32px;
    height: 32px;
  }

  .menu-toggle-btn {
    display: inline-flex;
    flex-shrink: 0;
  }

  .controls {
    position: fixed;
    top: 0;
    right: 0;
    width: min(86vw, 360px);
    height: 100dvh;
    background: #fffdfb;
    border-left: 1px solid #f0e5e0;
    box-shadow: -14px 0 36px rgba(44, 32, 47, 0.16);
    margin: 0;
    padding: 30px 10px 10px;
    overflow-y: auto;
    z-index: 130;
    transform: translateX(100%);
    transition: transform 0.26s ease;
    grid-template-columns: 1fr;
    gap: 10px;
    align-content: start;
    grid-auto-rows: max-content;
  }

  .controls.open {
    transform: translateX(0);
  }

  .control-item {
    gap: 6px;
    margin-bottom: 20px;
  }

  .control-item label {
    font-size: 1.25rem;
  }

  #weekSelect,
  #typeSelect,
  #categorySelect,
  #nutritionSelect,
  #conditionSelect,
  #searchInput {
    padding: 11px 14px;
    border-radius: 14px;
  }

  .saved-filter-toggle {
    min-height: 46px;
    padding: 9px 12px;
    border-radius: 14px;
  }

  .apply-filters-btn {
    display: flex;
    margin-top: 4px;
    padding: 12px 14px;
    flex: 1;
    align-items: center;
    justify-content: center;
    line-height: 1.25;
    -webkit-appearance: none;
    appearance: none;
    font-family: inherit;
  }

  .reset-filters-btn {
    display: flex;
    margin-top: 4px;
    padding: 12px 14px;
    flex: 1;
    align-items: center;
    justify-content: center;
    line-height: 1.25;
    -webkit-appearance: none;
    appearance: none;
    font-family: inherit;
    position: relative;
    border-radius: 14px;
    border: 2px solid #ef3d4a;
    background: transparent;
    font-weight: 700;
    font-size: 1.12rem;
    text-decoration: none;
    text-underline-offset: auto;
  }

  .reset-filters-btn:hover,
  .reset-filters-btn:focus-visible {
    background: #fef5f6;
  }

  .filter-actions {
    display: flex;
    gap: 12px;
    position: relative;
    width: 100%;
  }

  .mobile-menu-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(36, 24, 32, 0.35);
    z-index: 125;
  }

  .card {
    padding: 20px;
  }

  .grid {
    gap: 14px;
  }
}

/* Card Body Wrapper */
.card-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex-grow: 1;
}

/* Grid Toolbar styling */
.grid-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.results-info {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
}

.results-info span {
  font-weight: 700;
  color: #ef3d4a;
}

.layout-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.layout-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: #5e4a5a;
}

.layout-options {
  display: flex;
  background: #f5eeea;
  padding: 4px;
  border-radius: 12px;
  gap: 4px;
}

.layout-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--muted);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 8px;
}

.layout-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.6);
}

.layout-btn.active {
  color: #ef3d4a;
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(239, 61, 74, 0.12);
}

.layout-btn svg {
  width: 100%;
  height: 100%;
  transition: transform 0.2s ease;
}

.layout-btn:active svg {
  transform: scale(0.9);
}

/* Layout variants for .grid */
.grid.layout-list {
  grid-template-columns: 1fr;
  gap: 20px;
}

.grid.layout-grid-2 {
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.grid.layout-grid-4 {
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

/* Desktop Horizontal Card Layout for List (Dòng) View */
@media (min-width: 641px) {
  .grid.layout-list .card {
    display: grid;
    grid-template-columns: 220px 1fr;
    grid-template-rows: auto 1fr;
    row-gap: 12px;
    column-gap: 24px;
    padding: 24px;
    align-items: start;
  }

  .grid.layout-list .card-image {
    grid-column: 1;
    grid-row: 1 / span 2;
    height: 100%;
    min-height: 180px;
    margin: 0;
  }

  .grid.layout-list .week-badge {
    grid-column: 2;
    grid-row: 1;
    margin-bottom: 0;
    align-self: start;
    justify-self: start;
  }

  .grid.layout-list .card-body {
    grid-column: 2;
    grid-row: 2;
    gap: 12px;
  }
}

/* Tablet adjustments: hide 4-column option and map layout-grid-4 to 2 columns */
@media (max-width: 1024px) {
  .layout-btn[data-layout="grid-4"] {
    display: none;
  }

  .grid.layout-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid-toolbar {
    padding: 10px 16px;
    margin-bottom: 16px;
    border-radius: 16px;
  }

  .layout-controls {
    display: none;
  }

  .grid.layout-list {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .grid.layout-grid-2,
  .grid.layout-grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
}