:root {
  --green: #2e7d32;
  --green-soft: #e8f5e9;
  --blue: #2563eb;
  --gray-900: #1f2937;
  --gray-700: #4b5563;
  --gray-500: #6b7280;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --white: #ffffff;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--gray-900);
  background:
    radial-gradient(circle at top left, rgba(46, 125, 50, 0.10), transparent 30%),
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.10), transparent 30%),
    #f4f6f8;
}
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; padding: 8px 24px; pointer-events: none;
}
.header-inner {
  max-width: 1240px; margin: auto; display: flex; align-items: center; justify-content: space-between;
  gap: 20px; background: rgba(255,255,255,0.92); border-radius: 20px; padding: 5px 28px;
  box-shadow: var(--shadow-soft); backdrop-filter: blur(10px); pointer-events: auto;
}
.site-logo { height: 68px; width: auto; display: block; }
.site-nav { display: flex; gap: 10px; }
.nav-link {
  text-decoration: none; font-size: 14px; font-weight: 700; color: var(--gray-900); background: var(--gray-100);
  border: 1px solid var(--gray-300); padding: 8px 14px; border-radius: 12px; box-shadow: 0 6px 14px rgba(31,41,55,.06);
}
.nav-link:hover, .search-btn:hover, .add-btn:hover, .clear-btn:hover {
  color: var(--white); background: var(--green); border-color: var(--green);
}
main { padding-top: 96px; }
.hero { padding: 40px 20px; }
.hero-card {
  max-width: 1240px; margin: auto; background: var(--white); border-radius: 30px; padding: 60px 40px; text-align: center; box-shadow: var(--shadow-soft);
}
.eyebrow {
  display: inline-block; margin-bottom: 16px; padding: 8px 14px; font-size: 13px; font-weight: 700;
  color: var(--blue); background: rgba(37,99,235,.1); border-radius: 999px;
}
.hero h1 { margin: 0; font-size: 46px; line-height: 1.1; }
.hero-text { max-width: 680px; margin: 20px auto 30px; font-size: 18px; color: var(--gray-500); line-height: 1.7; }
.calculator { width: 100%; max-width: 100%; margin: 24px auto 0; }
.calculator-toolbar {
  display: flex; flex-direction: column; gap: 18px; width: 100%; margin-bottom: 22px;
}
.search-box {
  width: 100%; display: flex; gap: 12px; align-items: center; background: var(--white); padding: 14px;
  border-radius: 18px; border: 1px solid var(--gray-200);
}
.search-box input {
  flex: 1; min-width: 0; border: none; outline: none; padding: 16px; font-size: 16px; background: transparent;
}
.search-btn, .add-btn, .remove-btn, .clear-btn {
  border: 1px solid var(--gray-300); padding: 10px 16px; border-radius: 12px; font-weight: 700; cursor: pointer;
  transition: all 0.2s ease; box-shadow: 0 6px 14px rgba(31,41,55,.06); background: var(--gray-100); color: var(--gray-900);
}
.search-btn { min-width: 110px; }
.toolbar-side {
  width: 100%; display: flex; flex-direction: column; gap: 10px; align-items: stretch;
}
.saved-badge {
  width: 100%; text-align: center; background: rgba(46,125,50,.08); border: 1px solid rgba(46,125,50,.18);
  color: var(--green); padding: 12px 16px; border-radius: 16px; font-weight: 700;
}
.calculator-workspace, .stacked-workspace {
  width: 100%; display: flex; flex-direction: column; gap: 22px;
}
.panel-card {
  width: 100%; background: var(--white); border: 1px solid var(--gray-200); border-radius: 24px; box-shadow: var(--shadow-soft); text-align: left; overflow: hidden;
}
.panel-header { padding: 18px 20px 14px; border-bottom: 1px solid var(--gray-200); }
.panel-header h3 { margin: 0 0 6px; font-size: 22px; }
.panel-header p { margin: 0; font-size: 14px; color: var(--gray-500); }
.table-wrap { width: 100%; overflow-x: auto; }
.results-scroll-box {
  width: 100%;
  max-height: 245px;
  overflow-y: auto;
  overflow-x: hidden;
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  background: var(--white);
}
.results-scroll-box .fd-table {
  width: 100%;
  min-width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}
.fd-table {
  width: 100%;
  min-width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}
.fd-table thead th {
  text-align: left;
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 700;
  letter-spacing: .04em;
  padding: 14px 12px;
  border-bottom: 1px solid var(--gray-200);
  background: #f8fafc;
}
.results-scroll-box thead th {
  position: sticky;
  top: 0;
  z-index: 5;
  background: #f8fafc;
}
.results-scroll-box::-webkit-scrollbar {
  width: 10px;
}
.results-scroll-box::-webkit-scrollbar-track {
  background: #eef2f7;
  border-radius: 999px;
}
.results-scroll-box::-webkit-scrollbar-thumb {
  background: #c7d2c9;
  border-radius: 999px;
}
.results-scroll-box::-webkit-scrollbar-thumb:hover {
  background: #aab8ad;
}
.fd-table tbody td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--gray-200);
  font-size: 14px;
  color: var(--gray-900);
  vertical-align: top;
  text-align: left;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.45;
}
.fd-table tbody tr:hover { background: #fbfdff; }
.action-col { width: 92px; }
.qty-col { width: 92px; }
.cal-col,
.protein-col,
.carbs-col,
.fat-col { width: 110px; }
.food-col { width: 42%; }
.brand-col { width: 18%; }
.food-cell {
  font-weight: 700;
  color: #102a43;
  line-height: 1.45;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.brand-cell {
  color: var(--gray-700);
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.macro-cell { font-weight: 700; color: #0f5132; white-space: nowrap; }
.table-empty { text-align: center; color: var(--gray-500); padding: 22px !important; }
.qty-select {
  width: 72px; padding: 8px 10px; border: 1px solid var(--gray-300); border-radius: 10px; background: var(--white); font-weight: 700;
}
.add-btn {
  display: inline-flex; align-items: center; justify-content: center; min-width: 64px; white-space: nowrap;
}
.remove-btn { color: #dc2626; background: #fff5f5; border-color: #fecaca; }
.remove-btn:hover { color: #fff; background: #dc2626; border-color: #dc2626; }
.totals-box { padding: 18px 20px 0; }
.totals-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; margin-bottom: 18px; }
.total-card {
  background: #f8fafc; border: 1px solid var(--gray-200); border-radius: 18px; padding: 16px; text-align: left;
}
.total-label { display: block; font-size: 12px; font-weight: 700; color: var(--gray-500); margin-bottom: 8px; letter-spacing: .04em; }
.total-card strong { font-size: 18px; color: var(--green); }
.info { padding: 40px 20px 20px; }
.info-card {
  max-width: 1240px; margin: auto; text-align: center; background: var(--white); padding: 30px; border-radius: 24px; box-shadow: var(--shadow-soft);
}
.fd-footer { background-color: #0f0f0f; color: #bfbfbf; padding: 26px 40px; border-top: 1px solid #2a2a2a; margin-top: 30px; }
.fd-footer-container { max-width: 1180px; margin: auto; display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; }
.fd-footer a { color: #bfbfbf; text-decoration: none; }
.sep { margin: 0 10px; color: #555; user-select: none; }
@media (max-width: 768px) {
  .site-header { padding: 8px 14px; }
  .site-logo { height: 56px; }
  .header-inner { flex-direction: column; gap: 12px; padding: 16px 18px; }
  main { padding-top: 128px; }
  .hero { padding: 24px 14px; }
  .hero-card { padding: 38px 18px; }
  .hero h1 { font-size: 34px; }
  .search-box { flex-direction: column; }
  .search-btn { width: 100%; }
  .totals-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .fd-footer { padding: 22px 20px; }
  .fd-footer-container { flex-direction: column; text-align: center; }
}