/* styles.css — clean RTL Hebrew UI for the nutrition calculator static site. */

:root {
  /* Warm "paper" surfaces — Claude light mode */
  --bg: #f5f1e9;
  --panel: #ffffff;
  --panel-alt: #efe9dc;
  --border: #e6ddca;
  --text: #2b2926;
  --muted: #83786a;
  /* Clay / terracotta accent (Claude's signature) */
  --primary: #c15f3c;
  --primary-dark: #a64b2c;
  --primary-light: #f3e6dd;
  --ink: #20201d;
  --accent: #c15f3c;
  --success-bg: #e9efe2;
  --success-border: #6a8a4f;
  --info-bg: #ece7dc;
  --info-border: #b08d57;
  --warn-bg: #f7ecd6;
  --warn-border: #c79a3f;
  --error-bg: #f6e3dc;
  --error-border: #c0533a;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(60, 50, 35, 0.06), 0 1px 3px rgba(60, 50, 35, 0.05);
  --font-sans: "Heebo", "Segoe UI", "Arial", sans-serif;
  --font-serif: "Frank Ruhl Libre", "Georgia", serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  direction: rtl;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Header / footer ---------- */
.app-header {
  background: var(--bg);
  color: var(--text);
  padding: 30px 24px 22px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.app-header h1 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 34px;
  letter-spacing: -0.01em;
}
.app-header .tagline { margin: 8px 0 0; color: var(--muted); font-size: 14px; }

.app-footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 24px 16px 40px;
}

/* ---------- Tab bar ---------- */
.tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 10px 14px;
  position: sticky;
  top: 0;
  z-index: 20;
}
.tab-btn {
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-size: 15px;
  font-family: inherit;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.tab-btn:hover { background: var(--panel-alt); color: var(--text); }
.tab-btn.active {
  background: var(--panel);
  color: var(--text);
  border-color: var(--border);
  font-weight: 600;
  box-shadow: var(--shadow);
}

/* ---------- Main layout ---------- */
.app-main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 18px 40px;
}
.page { animation: fade 0.2s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.section-header { margin: 4px 0 18px; }
.section-header h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 26px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.section-header .subtitle { margin: 6px 0 0; color: var(--muted); font-size: 14px; }

h3.block-title { font-family: var(--font-serif); font-weight: 600; font-size: 19px; margin: 22px 0 10px; color: var(--text); }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}

.row { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; }
.row > * { flex: 1 1 0; min-width: 140px; }
.row.tight { align-items: center; }

/* ---------- Form fields ---------- */
.field { display: flex; flex-direction: column; gap: 5px; font-size: 14px; }
.field-label { color: var(--muted); font-weight: 500; }
.num-input, .select-input, .search-input, .text-input, textarea.text-input {
  font-family: inherit;
  font-size: 15px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  width: 100%;
}
.num-input:focus, .select-input:focus, .search-input:focus, .text-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(193, 95, 60, 0.15);
}
textarea.text-input { resize: vertical; min-height: 70px; }

label.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  cursor: pointer;
  user-select: none;
}
label.checkbox input { width: 16px; height: 16px; accent-color: var(--primary); }

/* ---------- Buttons ---------- */
button.btn {
  font-family: inherit;
  font-size: 15px;
  padding: 9px 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s ease;
}
button.btn:hover { background: var(--panel-alt); }
button.btn.primary {
  background: var(--ink);
  border-color: var(--ink);
  color: #faf7f0;
  font-weight: 600;
}
button.btn.primary:hover { background: #36342e; border-color: #36342e; }
button.btn.danger { color: var(--error-border); border-color: #e3c3b6; }
button.btn.danger:hover { background: var(--error-bg); }
button.btn.small { padding: 5px 10px; font-size: 13px; }
button.btn.icon { padding: 6px 10px; }

/* ---------- Status boxes ---------- */
.status {
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 14px;
  margin: 10px 0;
  border: 1px solid;
}
.status-info { background: var(--info-bg); border-color: var(--info-border); color: #5b4a2e; }
.status-success { background: var(--success-bg); border-color: var(--success-border); color: #3f5128; }
.status-warning { background: var(--warn-bg); border-color: var(--warn-border); color: #7a5a1c; }
.status-error { background: var(--error-bg); border-color: var(--error-border); color: #8a3322; }

/* ---------- Metrics ---------- */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 12px 0;
}
.metric {
  background: var(--primary-light);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-align: center;
}
.metric .metric-label { color: var(--primary-dark); font-size: 13px; }
.metric .metric-value { font-family: var(--font-serif); font-size: 28px; font-weight: 600; color: var(--text); margin-top: 4px; }

/* ---------- Search select ---------- */
.search-select { position: relative; }
.search-results {
  position: absolute;
  inset-inline: 0;
  top: calc(100% + 4px);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  max-height: 280px;
  overflow-y: auto;
  z-index: 30;
}
.search-results.hidden { display: none; }
.search-option { padding: 9px 12px; cursor: pointer; font-size: 14px; }
.search-option:hover { background: var(--primary-light); }
.search-empty { padding: 10px 12px; color: var(--muted); font-size: 14px; }

/* ---------- Data tables ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
}
.data-table th, .data-table td {
  border-bottom: 1px solid var(--border);
  padding: 9px 12px;
  text-align: right;
}
.data-table th { background: var(--primary-light); color: var(--primary-dark); font-weight: 600; }
.data-table tbody tr:hover { background: var(--panel-alt); }
.data-table.scroll-wrap { display: block; }
.table-scroll { overflow-x: auto; max-width: 100%; }

/* ---------- Expander / details ---------- */
.expander {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 8px 0;
  background: #fff;
  overflow: hidden;
}
.expander > summary {
  cursor: pointer;
  padding: 11px 14px;
  font-weight: 600;
  background: var(--panel-alt);
  list-style: none;
}
.expander > summary::-webkit-details-marker { display: none; }
.expander > summary::before { content: "▸ "; color: var(--primary); }
.expander[open] > summary::before { content: "▾ "; }
.expander-body { padding: 12px 14px; }

.nutri-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 6px 24px; }
.nutri-cols .nut-line { font-size: 14px; padding: 2px 0; }
.nutri-cols .nut-line b { color: var(--primary-dark); }

/* divider */
hr.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.muted { color: var(--muted); font-size: 13px; }
.caption { color: var(--muted); font-size: 13px; margin: 4px 0; }
.pill {
  display: inline-block; background: var(--primary-light); color: var(--primary-dark);
  border-radius: 999px; padding: 3px 10px; font-size: 12px; margin-inline-start: 6px;
}

/* list rows (comparison / daily / label ingredients) */
.list-row {
  display: flex; align-items: center; gap: 10px;
  background: #fff; border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 12px; margin: 6px 0;
}
.list-row .grow { flex: 1; }
.list-row .meta { color: var(--muted); font-size: 13px; }
.inline-form {
  border: 1px dashed var(--primary);
  border-radius: 8px; padding: 12px; margin: 6px 0 12px; background: var(--primary-light);
}
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Nutrient composition grid (label page) ---------- */
.nutrient-table-container { direction: rtl; font-family: Arial, sans-serif; font-size: 12px; }
.nutrient-category {
  background-color: var(--primary-light); font-weight: bold; padding: 6px 8px;
  margin-top: 8px; border-radius: 4px; color: var(--primary-dark);
}
.nutrient-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; padding: 4px 0; }
.nutrient-item {
  background-color: var(--bg); padding: 4px 6px; border-radius: 4px;
  display: flex; justify-content: space-between; border: 1px solid var(--border);
}
.nutrient-name { color: #4a443c; }
.nutrient-value { color: var(--primary); font-weight: 600; }
@media (max-width: 640px) { .nutrient-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Loading ---------- */
.loading { text-align: center; padding: 80px 20px; color: var(--muted); }
.spinner {
  width: 42px; height: 42px; margin: 0 auto 16px;
  border: 4px solid var(--border); border-top-color: var(--primary);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Food label preview (page 6) ---------- */
.label-preview-wrap { display: flex; justify-content: center; }
.food-label {
  border: 2px solid #000; padding: 20px; background: white; color: black;
  font-family: Arial, sans-serif; direction: rtl; text-align: right;
  max-width: 500px; width: 100%; margin: 0 auto; box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.1);
}
.food-label .label-header { text-align: center; border-bottom: 2px solid #000; padding-bottom: 10px; margin-bottom: 15px; }
.food-label .label-title { font-size: 24px; font-weight: bold; margin: 0; }
.food-label .label-marketing { font-style: italic; margin-top: 5px; }
.food-label .red-labels-container { display: flex; justify-content: center; gap: 15px; margin: 15px 0; }
.food-label .red-label-img { width: 80px; height: auto; }
.food-label .nutrition-table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 14px; }
.food-label .nutrition-table th, .food-label .nutrition-table td { border-bottom: 1px solid #ddd; padding: 4px; text-align: right; }
.food-label .nutrition-table th { font-weight: bold; }
.food-label .nutrition-header { background-color: #f5f5f5; font-weight: bold; padding: 5px; margin-top: 10px; border: 1px solid #ddd; }
.food-label .ingredients-section { margin-top: 15px; font-size: 13px; word-wrap: break-word; overflow-wrap: break-word; white-space: normal; }
.food-label .footer-info { margin-top: 15px; font-size: 12px; border-top: 1px solid #000; padding-top: 10px; }
.food-label .allergens-box { border: 1px solid #000; padding: 5px; margin-top: 10px; font-weight: bold; font-size: 13px; }
.food-label .red-fallback { color: red; font-weight: bold; border: 1px solid red; padding: 5px; }

/* ---------- Ingredient chips (label designer) ---------- */
.chips-box { display: flex; flex-wrap: wrap; gap: 6px; }
.ingredient-chip {
  display: inline-flex; align-items: center; gap: 4px;
  background: #fff; border: 1px solid var(--border);
  border-radius: 999px; padding: 2px 4px 2px 10px;
}
.chip-input {
  border: none; background: transparent; font-family: inherit;
  font-size: 14px; padding: 3px 2px; color: var(--text);
}
.chip-input:focus { outline: none; }
.chip-input.add {
  border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; min-width: 150px;
}
.chip-bold {
  min-width: 26px; padding: 2px 7px; line-height: 1.4;
  font-weight: 700; font-style: italic;
}
.chip-bold.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.hidden { display: none !important; }