:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #e3e5ea;
  --text: #1a1d23;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 1px 3px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.45;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--panel);
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
}
.topbar h1 { margin: 0; font-size: 18px; font-weight: 600; }
.topbar-left { display: flex; align-items: center; gap: 14px; }

.admin-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px 10px;
  cursor: pointer;
  font-size: 13px;
  color: var(--muted);
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.admin-toggle:hover { border-color: var(--primary); color: var(--primary); }
.admin-toggle.unlocked {
  background: #ecfdf5;
  border-color: #10b981;
  color: #047857;
}
.admin-toggle.unlocked:hover { border-color: #047857; color: #047857; }
.admin-icon { font-size: 14px; line-height: 1; }

/* Admin-only controls are hidden until admin mode is enabled. */
body:not(.admin-mode) .admin-only { display: none !important; }

.region-picker { display: flex; align-items: center; gap: 8px; }
.region-picker label { color: var(--muted); font-size: 13px; }
.region-picker select {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  font-size: 14px;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.panel h2 { margin: 0 0 4px; font-size: 16px; font-weight: 600; }
.muted { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
.empty-hint { padding: 8px 0; }

/* Category buttons */
.category-buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.category-buttons button {
  padding: 8px 14px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  transition: background 0.12s, border-color 0.12s;
}
.category-buttons button:hover { background: #f0f4ff; border-color: var(--primary); }

/* List */
.list { display: flex; flex-direction: column; gap: 14px; }
.list-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  background: #fafbfc;
}
.list-item-header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 10px;
}
.list-item-title { font-weight: 600; }
.list-item-title .idx { color: var(--muted); margin-right: 6px; font-weight: 400; }

.btn-remove {
  background: transparent; border: none; color: var(--danger);
  cursor: pointer; font-size: 13px;
}
.btn-remove:hover { text-decoration: underline; }

.questions { display: flex; flex-wrap: wrap; gap: 14px; }
.question { display: flex; flex-direction: column; gap: 4px; }
.question label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.question select {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  font-size: 14px;
  min-width: 140px;
}

/* Results */
.results { margin-top: 14px; }
.results-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.results-header h4 { margin: 0; font-size: 14px; font-weight: 600; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card-img {
  width: 100%; aspect-ratio: 4/3;
  background-color: #f0f1f3;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  border-bottom: 1px solid var(--border);
}
.card-body { padding: 12px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-name { font-weight: 600; font-size: 15px; line-height: 1.3; }
.card-price { color: var(--primary); font-weight: 600; font-size: 15px; }
.card-link {
  font-size: 13px;
  color: var(--primary);
  text-decoration: none;
}
.card-link:hover { text-decoration: underline; }
.card-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 6px;
}
.btn-edit {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 12px;
}
.btn-edit:hover { background: #f5f6f8; border-color: var(--primary); color: var(--primary); }

.no-results {
  padding: 12px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.btn-primary {
  background: var(--primary); color: #fff; border: none;
  padding: 7px 14px; border-radius: var(--radius); cursor: pointer;
  font-size: 13px; font-weight: 500;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary {
  background: #fff; color: var(--text); border: 1px solid var(--border);
  padding: 7px 14px; border-radius: var(--radius); cursor: pointer;
  font-size: 13px;
}
.btn-secondary:hover { background: #f5f6f8; }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
}
.modal-backdrop[hidden] { display: none !important; }
.modal {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}
.modal h3 { margin: 0 0 14px; }
.form-row { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.form-row label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.form-row input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
}
.form-row input[readonly] { background: #f5f6f8; color: var(--muted); }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 6px; }

.loading { color: var(--muted); font-size: 13px; padding: 8px; }

/* Qty stepper on cards */
.qty-control { display: flex; align-items: center; gap: 6px; }
.qty-add {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px 12px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}
.qty-add:hover { border-color: var(--primary); color: var(--primary); background: #f0f4ff; }
.qty-stepper { display: inline-flex; align-items: center; gap: 2px; }
.qty-stepper button {
  width: 28px; height: 28px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  color: var(--text);
  padding: 0;
}
.qty-stepper button:hover { border-color: var(--primary); color: var(--primary); }
.qty-input {
  width: 44px;
  height: 28px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 600;
  padding: 0 4px;
  -moz-appearance: textfield;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* Totals bar (fixed at bottom of viewport) */
body.has-selections { padding-bottom: 90px; }
.totals-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--panel);
  border-top: 1px solid var(--border);
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
  z-index: 50;
}
.totals-content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.totals-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
}
.totals-toggle .totals-caret { color: var(--muted); transition: transform 0.15s; }
.totals-toggle[aria-expanded="true"] .totals-caret { transform: rotate(180deg); }
.totals-amounts { display: flex; align-items: center; gap: 18px; }
.totals-amount { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.2; }
.totals-amount-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.totals-amount strong { font-size: 16px; color: var(--primary); }
.totals-amount:first-child strong { color: var(--text); }
.totals-breakdown {
  border-top: 1px solid var(--border);
  max-height: 280px;
  overflow-y: auto;
  background: #fafbfc;
}
.totals-breakdown-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 10px 24px;
}
.breakdown-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 14px;
  align-items: center;
  padding: 6px 0;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.breakdown-row:last-child { border-bottom: none; }
.breakdown-name { font-weight: 500; }
.breakdown-unit { color: var(--muted); }
.breakdown-qty { color: var(--muted); }
.breakdown-total { font-weight: 600; min-width: 70px; text-align: right; }