:root {
  --color-primary: #1565c0;
  --color-primary-light: #e3f2fd;
  --color-text: #263238;
  --color-muted: #607d8b;
  --color-border: #e0e0e0;
  --color-bg: #f5f7fa;
  --radius-base: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

.container {
  width: min(1100px, 90vw);
  margin: 0 auto;
}

.site-header {
  background-color: #fff;
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
}

.primary-nav a {
  margin-left: 16px;
  color: var(--color-muted);
  font-size: 14px;
}

.site-main {
  padding: 32px 0 64px;
}

.section {
  background-color: #fff;
  border-radius: var(--radius-base);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.section-header h1,
.section-header h2 {
  margin: 0 0 8px;
}

.section-header p {
  margin: 0;
  color: var(--color-muted);
}

.hero {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: center;
}

.hero-text h1 {
  margin: 0 0 12px;
  font-size: 32px;
}

.hero-text p {
  margin: 0 0 12px;
  color: var(--color-muted);
}

.hero-meta {
  font-size: 14px;
  color: var(--color-muted);
}

.search-form {
  display: grid;
  gap: 16px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field-inline .inline-inputs {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-field label {
  font-size: 14px;
  color: var(--color-muted);
}

.form-field input,
.form-field select {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background-color: #fff;
  font-size: 14px;
}

.inline-inputs input {
  width: 100%;
}

.inline-separator {
  color: var(--color-muted);
  font-size: 14px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
}

.form-actions button {
  background-color: var(--color-primary);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.form-actions button:hover {
  background-color: #0d47a1;
}

.card-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 20px;
}

.card {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: 16px;
  background-color: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.12);
}

.category-card h3 {
  margin: 0 0 8px;
}

.category-card p {
  margin: 0;
  color: var(--color-muted);
}

.food-card h3 {
  margin: 0 0 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-soft-green {
  color: #1b5e20;
  background-color: #e8f5e9;
}

.badge-soft-orange {
  color: #e65100;
  background-color: #fff3e0;
}

.badge-soft-red {
  color: #b71c1c;
  background-color: #ffebee;
}

.badge-soft-gray {
  color: #546e7a;
  background-color: #eceff1;
}

.filter-panel {
  margin-top: 16px;
}

.result-summary {
  margin-bottom: 16px;
  color: var(--color-muted);
}

.result-grid {
  display: grid;
  gap: 16px;
}

.result-card {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: 16px;
  background-color: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.result-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.12);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.result-card h3 {
  margin: 0;
  font-size: 18px;
}

.result-meta {
  margin: 0 0 12px;
  color: var(--color-muted);
}

.result-macros {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--color-muted);
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.pagination-link {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
}

.pagination-link.is-active {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.empty-state {
  padding: 32px;
  text-align: center;
  color: var(--color-muted);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  margin-bottom: 16px;
}

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

.detail-header h1 {
  margin: 0 0 8px;
}

.detail-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
}

.summary-item {
  flex: 1 1 160px;
  background-color: var(--color-primary-light);
  border-radius: 10px;
  padding: 16px;
}

.summary-label {
  display: block;
  font-size: 12px;
  color: var(--color-muted);
}

.summary-value {
  display: block;
  margin-top: 6px;
  font-size: 18px;
  font-weight: 600;
}

.gi-badge {
  font-size: 14px;
}

.tabs {
  margin-top: 16px;
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tab-button {
  border: 1px solid var(--color-border);
  background-color: #fff;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
}

.tab-button.is-active {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.tab-panels {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  padding: 16px;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.detail-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.detail-cell {
  background-color: #fafafa;
  border-radius: 10px;
  padding: 14px;
  border: 1px solid transparent;
}

.detail-cell-empty {
  color: var(--color-muted);
  border-color: var(--color-border);
}

.detail-label {
  display: block;
  font-size: 13px;
  color: var(--color-muted);
}

.detail-value {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 6px;
  font-size: 18px;
  font-weight: 600;
}

.detail-value small {
  font-size: 12px;
  color: var(--color-muted);
}

.site-footer {
  background-color: #fff;
  border-top: 1px solid var(--color-border);
  padding: 16px 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--color-muted);
}

@media (max-width: 768px) {
  .site-main {
    padding: 24px 0 48px;
  }

  .section {
    padding: 20px;
  }

  .detail-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
  }
}