/* ============================================================
   PANTRY PWA — styles.css
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  /* Colors */
  --bg:           #faf8f5;
  --surface:      #ffffff;
  --surface-alt:  #f3f0ec;
  --border:       #e0dbd4;
  --border-focus: #6b7fa3;
  --text:         #2c2825;
  --text-muted:   #7a736b;
  --accent:       #6b7fa3;
  --accent-dark:  #546285;
  --accent-light: #edf0f7;

  /* Status */
  --fresh-bg:     #e8f5ee;
  --fresh-text:   #2e7d52;
  --expiring-bg:  #fff3e0;
  --expiring-text:#b06000;
  --expired-bg:   #fce8e8;
  --expired-text: #b93a3a;

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;

  /* Radii */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  /* Layout */
  --tab-bar-h: 64px;
  --fab-size:  56px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,.10), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.12), 0 4px 8px rgba(0,0,0,.08);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

button {
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
}

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

/* ---------- Layout ---------- */
#content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding-bottom: calc(var(--tab-bar-h) + var(--space-lg));
  -webkit-overflow-scrolling: touch;
}

.tab-panel {
  display: none;
  padding: var(--space-md);
  min-height: 100%;
}
.tab-panel.active { display: block; }

/* ---------- Bottom tab bar ---------- */
#tab-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--tab-bar-h);
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  z-index: 100;
  box-shadow: 0 -2px 8px rgba(0,0,0,.06);
}

.tab-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 150ms ease;
  min-height: 44px;
}
.tab-btn.active { color: var(--accent); }
.tab-btn svg { width: 22px; height: 22px; }

/* ---------- Page headers ---------- */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
}
.page-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
}
.page-header .header-actions { display: flex; gap: var(--space-sm); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
}

/* ---------- Item cards ---------- */
.item-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
  transition: box-shadow 120ms ease, border-color 120ms ease;
  min-height: 44px;
}
.item-card:active { box-shadow: var(--shadow-md); border-color: var(--border-focus); }

.item-card-body { flex: 1; min-width: 0; }
.item-name {
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.item-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.item-card-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-xs);
  flex-shrink: 0;
}

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-fresh    { background: var(--fresh-bg);    color: var(--fresh-text); }
.badge-expiring { background: var(--expiring-bg); color: var(--expiring-text); }
.badge-expired  { background: var(--expired-bg);  color: var(--expired-text); }

/* ---------- Location group headers ---------- */
.location-group { margin-bottom: var(--space-lg); }
.location-heading {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.location-icon { font-size: 1rem; }

/* ---------- Filter bar ---------- */
.filter-bar {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 2px;
}
.filter-bar::-webkit-scrollbar { display: none; }

.filter-chip {
  flex-shrink: 0;
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  transition: all 120ms ease;
  min-height: 32px;
}
.filter-chip.active {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- FAB ---------- */
#fab-add {
  position: fixed;
  bottom: calc(var(--tab-bar-h) + var(--space-md));
  right: var(--space-md);
  width: var(--fab-size);
  height: var(--fab-size);
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 90;
  transition: transform 120ms ease, background 120ms ease;
}
#fab-add:active { transform: scale(0.95); background: var(--accent-dark); }

/* ---------- Dialog / Bottom sheet ---------- */
dialog {
  border: none;
  padding: 0;
  background: var(--surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  width: 100%;
  max-width: 600px;
  margin: auto auto 0;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  max-height: 90dvh;
  overflow-y: auto;
}
dialog::backdrop { background: rgba(0,0,0,0.45); }

.sheet-handle {
  width: 36px; height: 4px;
  background: var(--border);
  border-radius: 99px;
  margin: var(--space-sm) auto var(--space-xs);
}
.sheet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md) var(--space-md);
}
.sheet-header h3 { font-size: 1.1rem; font-weight: 700; }
.sheet-body { padding: 0 var(--space-md) var(--space-xl); }

/* ---------- Form fields ---------- */
.field {
  margin-bottom: var(--space-md);
}
.field label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.field input[type="text"],
.field input[type="date"],
.field input[type="number"],
.field input[type="url"],
.field input[type="password"],
.field select,
.field textarea {
  width: 100%;
  padding: 10px var(--space-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-size: 1rem;
  color: var(--text);
  transition: border-color 150ms ease;
  appearance: none;
  -webkit-appearance: none;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  background: var(--surface);
}
.field textarea { resize: vertical; min-height: 80px; }
.field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237a736b' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 32px; }

.field-row { display: flex; gap: var(--space-sm); }
.field-row .field { flex: 1; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 12px var(--space-lg);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 120ms ease;
  min-height: 44px;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: white;
  width: 100%;
}
.btn-primary:active { background: var(--accent-dark); }
.btn-secondary {
  background: var(--surface-alt);
  color: var(--text);
  border: 1px solid var(--border);
  width: 100%;
}
.btn-secondary:active { background: var(--border); }
.btn-danger {
  background: var(--expired-bg);
  color: var(--expired-text);
  width: 100%;
}
.btn-ghost {
  color: var(--text-muted);
  padding: 8px;
  border-radius: var(--radius-sm);
}
.btn-ghost:hover { background: var(--surface-alt); }
.btn-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
}
.btn-icon:hover { background: var(--surface-alt); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- Icon button (settings, close) ---------- */
.icon-btn {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: background 120ms ease;
}
.icon-btn:hover { background: var(--surface-alt); }

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  color: var(--text-muted);
}
.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: var(--space-sm); }
.empty-state p { font-size: 0.9rem; line-height: 1.5; }

/* ---------- Toast ---------- */
#toast-container {
  position: fixed;
  bottom: calc(var(--tab-bar-h) + var(--space-md));
  left: 50%;
  transform: translateX(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  pointer-events: none;
}

.toast {
  background: #2c2825;
  color: white;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toast-in 200ms ease-out;
  max-width: 320px;
  text-align: center;
}
.toast.removing { animation: toast-out 200ms ease-in forwards; }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(8px); }
}

/* ---------- Install banner ---------- */
#install-banner {
  background: var(--accent-light);
  border: 1px solid var(--accent);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin: var(--space-md) var(--space-md) 0;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
#install-banner.hidden { display: none; }
.install-banner-text { flex: 1; font-size: 0.88rem; }
.install-banner-text strong { display: block; font-size: 0.95rem; }

/* ---------- Diners tab ---------- */
.profile-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.profile-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  cursor: pointer;
}
.profile-name { font-weight: 700; font-size: 1rem; }
.profile-tags { display: flex; gap: var(--space-xs); flex-wrap: wrap; margin-top: 4px; }
.tag {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 99px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.diner-list { border-top: 1px solid var(--border); }
.diner-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  min-height: 44px;
}
.diner-row:last-child { border-bottom: none; }
.diner-info { flex: 1; min-width: 0; }
.diner-name { font-weight: 600; font-size: 0.9rem; }
.diner-restrictions { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 3px; }
.restriction-badge {
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: 99px;
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
}
.spice-display { font-size: 0.8rem; }

.profile-actions {
  padding: var(--space-sm) var(--space-md) var(--space-md);
  display: flex;
  gap: var(--space-sm);
}
.profile-actions .btn { flex: 1; font-size: 0.85rem; padding: 8px; }

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 8px;
}

.diner-picker-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  min-height: 44px;
}
.diner-picker-row:last-child { border-bottom: none; }
.diner-picker-row input[type="checkbox"] { width: 18px; height: 18px; flex-shrink: 0; cursor: pointer; }
.diner-picker-info { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; flex: 1; }

/* ---------- Restriction pills (questionnaire-style) ---------- */
.pill-group { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.pill-toggle {
  padding: 8px 14px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 120ms ease;
  min-height: 36px;
}
.pill-toggle.selected {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent);
}

/* Spice level buttons */
.spice-group { display: flex; gap: var(--space-sm); }
.spice-btn {
  flex: 1;
  padding: 8px 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.75rem;
  text-align: center;
  cursor: pointer;
  transition: all 120ms ease;
  min-height: 52px;
  line-height: 1.3;
}
.spice-btn.selected {
  background: var(--accent-light);
  border-color: var(--accent);
}

/* ---------- Plan tab ---------- */
.plan-section { margin-bottom: var(--space-lg); }
.plan-section h3 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}

.plan-preview {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}
.plan-preview-diners { margin-bottom: var(--space-sm); }
.plan-preview-diner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.plan-preview-diner-name { font-weight: 600; font-size: 0.9rem; min-width: 80px; }
.plan-stats {
  display: flex;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: var(--space-sm);
  margin-top: var(--space-sm);
}
.plan-stat strong { color: var(--text); font-weight: 700; }

.char-count {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: var(--space-sm);
}
.char-count.warning { color: var(--expiring-text); }
.char-count.over { color: var(--expired-text); }

.plan-warning {
  background: var(--expiring-bg);
  color: var(--expiring-text);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.85rem;
  font-weight: 500;
  margin-top: var(--space-sm);
  display: none;
}
.plan-warning.visible { display: block; }

.btn-plan-row { display: flex; flex-direction: column; gap: var(--space-sm); }

/* ---------- Barcode scan overlay ---------- */
#scan-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: #000;
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 0;
  max-height: 100vh;
  max-height: 100dvh;
  width: 100%;
  margin: 0;
}

#scan-overlay[open] {
  display: flex;
}

#scan-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.scan-reticle {
  position: relative;
  z-index: 2;
  width: 260px;
  height: 160px;
  border: 2px solid white;
  border-radius: var(--radius-md);
  box-shadow: 0 0 0 9999px rgba(0,0,0,0.5);
}

.scan-hint {
  position: relative;
  z-index: 2;
  color: white;
  font-size: 0.9rem;
  margin-top: var(--space-lg);
  text-shadow: 0 1px 4px rgba(0,0,0,0.7);
}

#scan-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-md);
  z-index: 3;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  color: white;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scan-spinner {
  position: relative;
  z-index: 2;
  width: 32px; height: 32px;
  border: 3px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
  margin-top: var(--space-lg);
  display: none;
}
.scan-spinner.visible { display: block; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- Attribution note ---------- */
.attribution-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ---------- Settings menu ---------- */
.settings-menu {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  position: absolute;
  right: var(--space-md);
  top: 56px;
  z-index: 200;
  min-width: 180px;
  overflow: hidden;
}
.settings-menu button {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md);
  font-size: 0.9rem;
  color: var(--text);
  text-align: left;
  transition: background 120ms ease;
}
.settings-menu button:hover { background: var(--surface-alt); }

/* ---------- Receipt review sheet ---------- */
.receipt-item-row {
  border-bottom: 1px solid var(--border);
  padding: var(--space-sm) 0;
}
.receipt-item-row:last-child { border-bottom: none; }

.receipt-item-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
  min-height: 44px;
  padding: 4px 0;
}

.receipt-item-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--accent);
  flex-shrink: 0;
  cursor: pointer;
}

.receipt-item-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.receipt-item-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.receipt-item-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.receipt-item-cat { text-transform: capitalize; }

/* ---------- Days filter input ---------- */
.days-filter-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9rem;
}
.days-filter-row input[type="number"] {
  width: 60px;
  padding: 6px var(--space-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  text-align: center;
}