/* ================================================================
   PANTRY APP — styles.css
   ================================================================
   CUSTOMIZATION GUIDE:
   - Section [BRAND]   → colors, fonts, border-radius
   - Section [LAYOUT]  → spacing, max-widths
   - Section [CARDS]   → item card look & feel
   - Section [BADGES]  → status colors (low/out/good)
   ================================================================ */

/* ================================================================
   [BRAND] — Core design tokens. Edit here to retheme everything.
   ================================================================ */
:root {
  /* Primary palette */
  --bg:           #0F0E0C;         /* Page background */
  --surface:      #1A1814;         /* Card / panel background */
  --surface-2:    #221F1A;         /* Elevated surface */
  --border:       #2E2A24;         /* Default border */
  --border-hover: #4A4238;         /* Hover border */

  /* Text */
  --text-primary:   #F2EDE6;       /* Main text */
  --text-secondary: #9A8F82;       /* Muted text */
  --text-tertiary:  #5C544A;       /* Disabled / placeholder */

  /* Accent — CUSTOMIZABLE: change this to rebrand */
  --accent:         #C8954A;       /* Primary action color (warm amber) */
  --accent-dim:     #2A2018;       /* Accent tinted background */
  --accent-hover:   #D9A85C;

  /* Status colors */
  --green:          #4E9E6A;
  --green-bg:       #0E2016;
  --amber:          #C8954A;
  --amber-bg:       #1E1408;
  --red:            #C05050;
  --red-bg:         #1E0A0A;

  /* Typography — CUSTOMIZABLE: swap font families here */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;

  /* Geometry */
  --radius:     12px;
  --radius-sm:  8px;
  --radius-xs:  5px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm:  0 1px 4px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 20px rgba(0,0,0,0.5);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.6);

  /* Transitions */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ================================================================
   BASE
   ================================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

input, select, button { font-family: var(--font-body); }

/* ================================================================
   AUTH SCREEN
   ================================================================ */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  position: relative;
  overflow: hidden;
}

.auth-bg-pattern {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(200,149,74,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 90%, rgba(78,158,106,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 44px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

.auth-logo { text-align: center; margin-bottom: 32px; }

/* CUSTOMIZABLE: Auth logo text */
.logo-text {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  line-height: 1;
}
.logo-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 5px;
  font-weight: 300;
}

.auth-form { display: none; }
.auth-form.active { display: block; }

.auth-heading {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.auth-error {
  background: var(--red-bg);
  color: var(--red);
  border: 1px solid rgba(192,80,80,0.3);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.83rem;
  margin-bottom: 14px;
}

.auth-divider {
  text-align: center;
  position: relative;
  margin: 16px 0;
  color: var(--text-tertiary);
  font-size: 0.8rem;
}
.auth-divider::before, .auth-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: calc(50% - 20px);
  height: 1px;
  background: var(--border);
}
.auth-divider::before { left: 0; }
.auth-divider::after { right: 0; }

.auth-switch {
  text-align: center;
  margin-top: 18px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ================================================================
   FORM FIELDS — shared
   ================================================================ */
.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}
.field-group:last-child { margin-bottom: 0; }

.field-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-secondary);
}

.field-input {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: border-color 0.18s;
  outline: none;
  width: 100%;
}
.field-input::placeholder { color: var(--text-tertiary); }
.field-input:focus { border-color: var(--accent); }

.field-sm { padding: 8px 12px; font-size: 0.85rem; }

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  border: none;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s var(--ease);
  white-space: nowrap;
  line-height: 1;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: #0F0E0C;
  font-weight: 600;
}
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 0 0 3px rgba(200,149,74,0.2); }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn-outline:hover { border-color: var(--border-hover); background: var(--surface-2); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid transparent;
}
.btn-ghost:hover { color: var(--text-primary); background: var(--surface-2); }

.btn-scan {
  background: var(--surface-2);
  color: var(--text-primary);
  border: 1.5px solid var(--border);
  margin-top: 12px;
}
.btn-scan:hover { border-color: var(--accent); color: var(--accent); }

.btn-full { width: 100%; }
.btn-sm { padding: 7px 15px; font-size: 0.82rem; }
.btn-danger { background: var(--red-bg); color: var(--red); border: 1px solid rgba(192,80,80,0.3); }
.btn-danger:hover { background: rgba(192,80,80,0.15); }

/* ================================================================
   NAVBAR
   ================================================================ */
.nav {
  background: rgba(15,14,12,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: 60px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 200;
  gap: 0;
}

/* CUSTOMIZABLE: Nav logo */
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.3px;
  flex-shrink: 0;
}

.nav-tabs {
  display: flex;
  gap: 2px;
  flex: 1;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 3px;
  max-width: 320px;
  margin: 0 auto;
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s var(--ease);
}
.nav-tab.active { background: var(--accent); color: #0F0E0C; font-weight: 600; }
.nav-tab:hover:not(.active) { color: var(--text-primary); }

.tab-icon { font-size: 1rem; font-style: normal; }
.tab-label { font-family: var(--font-body); }

.nav-right { position: relative; margin-left: auto; flex-shrink: 0; }

.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 10px 4px 4px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 0.18s;
}
.user-chip:hover { border-color: var(--border-hover); }

.user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #0F0E0C;
  font-size: 0.78rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  text-transform: uppercase;
  flex-shrink: 0;
}
.user-name-chip { font-size: 0.8rem; color: var(--text-secondary); max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.user-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  min-width: 200px;
  box-shadow: var(--shadow-md);
  z-index: 300;
  animation: menuIn 0.18s var(--ease);
}
@keyframes menuIn { from { opacity:0; transform: translateY(-6px); } to { opacity:1; transform: translateY(0); } }
.user-menu-email { font-size: 0.78rem; color: var(--text-tertiary); padding: 4px 8px 8px; word-break: break-all; }
.menu-divider { border: none; border-top: 1px solid var(--border); margin: 4px 0; }
.menu-item { display: block; width: 100%; text-align: left; padding: 8px 10px; border-radius: var(--radius-sm); border: none; background: none; color: var(--text-primary); font-size: 0.85rem; cursor: pointer; transition: background 0.15s; }
.menu-item:hover { background: var(--surface); color: var(--red); }

/* ================================================================
   [LAYOUT] — Page structure
   ================================================================ */
.main {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.tab-content { display: none; animation: tabIn 0.22s var(--ease); }
.tab-content.active { display: block; }
@keyframes tabIn { from { opacity:0; transform: translateY(10px); } to { opacity:1; transform: translateY(0); } }

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.page-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  line-height: 1.1;
}
.page-subtitle { font-size: 0.85rem; color: var(--text-secondary); margin-top: 3px; }

.page-header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

/* ================================================================
   SCAN TAB
   ================================================================ */
.scan-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  transition: all 0.2s;
  overflow: hidden;
  position: relative;
}
.scan-zone:hover, .scan-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.scan-zone input[type="file"] { display: none; }

.scan-zone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 56px 32px;
  text-align: center;
}
.scan-zone-icon { color: var(--text-tertiary); margin-bottom: 16px; transition: color 0.2s; }
.scan-zone:hover .scan-zone-icon { color: var(--accent); }
.scan-zone-title { font-family: var(--font-display); font-size: 1.4rem; font-weight: 600; margin-bottom: 6px; }
.scan-zone-body { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 4px; }

.scan-btn-row {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.btn-camera { border-color: var(--accent); color: var(--accent); }
.btn-camera:hover { background: var(--accent-dim); }

/* Live camera view */
.camera-view {
  margin-top: 16px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #000;
}
.camera-view video {
  display: block;
  width: 100%;
  max-height: 400px;
  object-fit: cover;
}
.camera-controls {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  justify-content: center;
}

.scan-preview-wrap {
  margin-top: 20px;
  display: none;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  max-width: 340px;
}
.scan-preview-wrap img { display: block; max-height: 300px; width: 100%; object-fit: contain; background: var(--surface); }
.preview-remove-btn {
  position: absolute;
  top: 8px; right: 8px;
  background: rgba(15,14,12,0.8);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: var(--radius-pill);
  width: 28px; height: 28px;
  cursor: pointer;
  font-size: 0.8rem;
  display: flex; align-items: center; justify-content: center;
  transition: color 0.15s;
}
.preview-remove-btn:hover { color: var(--red); }

/* Status Bar */
.status-bar {
  margin-top: 16px;
  padding: 11px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  display: none;
  border: 1px solid transparent;
}
.status-bar.info   { background: var(--amber-bg); color: var(--amber); border-color: rgba(200,149,74,0.3); }
.status-bar.success{ background: var(--green-bg); color: var(--green); border-color: rgba(78,158,106,0.3); }
.status-bar.error  { background: var(--red-bg);   color: var(--red);   border-color: rgba(192,80,80,0.3); }

/* Review Panel */
.review-panel {
  margin-top: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: none;
  animation: tabIn 0.22s var(--ease);
}
.review-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.review-panel-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
}
.review-panel-sub { font-size: 0.8rem; color: var(--text-secondary); margin-top: 2px; }

.review-table-wrap { overflow-x: auto; }
.review-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.review-table th {
  background: var(--surface-2);
  padding: 9px 14px;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.review-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.review-table tbody tr:last-child td { border-bottom: none; }
.review-table tbody tr:hover { background: rgba(255,255,255,0.015); }

.review-table input[type="text"],
.review-table input[type="number"] {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 5px 9px;
  font-size: 0.84rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
  font-family: var(--font-body);
}
.review-table input:focus { border-color: var(--accent); }
.review-table input[type="number"] { width: 70px; }
.review-table td:nth-child(3) { width: 80px; }
.review-table td:nth-child(4) { width: 90px; }
.review-table td:last-child { width: 36px; text-align: center; }

.match-badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.match-existing { background: var(--green-bg); color: var(--green); border: 1px solid rgba(78,158,106,0.3); }
.match-new      { background: var(--amber-bg); color: var(--amber); border: 1px solid rgba(200,149,74,0.3); }

.review-actions {
  display: flex;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  flex-wrap: wrap;
}

.row-delete-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-tertiary);
  font-size: 0.9rem;
  padding: 4px 6px;
  border-radius: var(--radius-xs);
  transition: color 0.15s;
  line-height: 1;
}
.row-delete-btn:hover { color: var(--red); }

/* ================================================================
   INVENTORY TAB
   ================================================================ */
.search-wrap { position: relative; }
.search-icon-svg {
  position: absolute;
  left: 11px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}
.search-input {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 7px 14px 7px 33px;
  font-size: 0.85rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.18s;
  width: 200px;
  font-family: var(--font-body);
}
.search-input::placeholder { color: var(--text-tertiary); }
.search-input:focus { border-color: var(--accent); }

/* Add Item Form Panel */
.add-form-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
  display: none;
  animation: tabIn 0.2s var(--ease);
}
.add-form-panel.open { display: block; }

.add-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px 16px;
  align-items: end;
}
.add-form-submit { display: flex; gap: 8px; align-items: flex-end; padding-bottom: 1px; }

/* ================================================================
   [CARDS] — Item cards. Modify here to change card look.
   ================================================================ */
.category-section { margin-bottom: 32px; }

.category-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  cursor: pointer;
  user-select: none;
  padding: 2px 0;
}
/* CUSTOMIZABLE: Category name style */
.category-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.2px;
  flex: 1;
}
.category-count {
  font-size: 0.72rem;
  color: var(--text-secondary);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 1px 8px;
}
.category-chevron {
  color: var(--text-tertiary);
  font-size: 0.75rem;
  transition: transform 0.2s var(--ease);
  line-height: 1;
}
.category-section.collapsed .category-chevron { transform: rotate(-90deg); }
.category-section.collapsed .items-grid { display: none; }

/* CUSTOMIZABLE: grid columns — change minmax() value */
.items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px;
}

/* CUSTOMIZABLE: item card appearance */
.item-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: border-color 0.18s, box-shadow 0.18s;
  position: relative;
  overflow: hidden;
}
.item-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--status-color, var(--border));
  transition: background 0.2s;
}
.item-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-sm); }

/* CUSTOMIZABLE: [BADGES] — status colors */
.item-card[data-status="good"]  { --status-color: var(--green); }
.item-card[data-status="low"]   { --status-color: var(--amber); background: color-mix(in srgb, var(--amber-bg) 40%, var(--surface)); }
.item-card[data-status="out"]   { --status-color: var(--red);   background: color-mix(in srgb, var(--red-bg) 40%, var(--surface)); }

.item-name {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-primary);
  margin-bottom: 10px;
  padding-right: 20px;
  line-height: 1.3;
}

.item-qty-row {
  display: flex;
  align-items: center;
  gap: 6px;
}
.qty-btn {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
  font-weight: 500;
  flex-shrink: 0;
  line-height: 1;
}
.qty-btn:hover { border-color: var(--accent); color: var(--accent); }

.qty-display {
  font-size: 1rem;
  font-weight: 700;
  min-width: 28px;
  text-align: center;
  color: var(--text-primary);
  font-family: var(--font-display);
}
.qty-unit { font-size: 0.72rem; color: var(--text-secondary); }

.item-threshold-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.threshold-label { font-size: 0.68rem; color: var(--text-tertiary); flex: 1; }
.threshold-input {
  width: 48px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 3px 6px;
  font-size: 0.75rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  outline: none;
  text-align: center;
}
.threshold-input:focus { border-color: var(--accent); }

.item-delete-btn {
  position: absolute;
  top: 10px; right: 10px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-tertiary);
  font-size: 0.8rem;
  padding: 3px;
  border-radius: var(--radius-xs);
  transition: color 0.15s;
  line-height: 1;
}
.item-delete-btn:hover { color: var(--red); }

/* Sync indicator */
.sync-indicator {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--text-tertiary);
  text-align: right;
  min-height: 18px;
}

/* ================================================================
   SHOPPING TAB
   ================================================================ */
.shop-empty {
  text-align: center;
  padding: 72px 20px;
}
.shop-empty-icon { font-size: 3rem; margin-bottom: 14px; }
.shop-empty h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin-bottom: 6px;
}
.shop-empty p { font-size: 0.85rem; color: var(--text-secondary); }

.shop-section { margin-bottom: 28px; }
.shop-section-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.shop-section-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.shop-section-label.urgent { color: var(--red); }
.shop-section-label.warn   { color: var(--amber); }
.shop-section-count {
  font-size: 0.72rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 1px 8px;
  color: var(--text-secondary);
}

.shop-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: opacity 0.2s;
}
.shop-item:last-child { border-bottom: none; }
.shop-item.is-checked { opacity: 0.35; }

.shop-checkbox {
  width: 22px; height: 22px;
  border: 2px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s;
  background: var(--surface);
  font-size: 0.75rem;
  color: transparent;
}
.shop-checkbox.is-checked { background: var(--green); border-color: var(--green); color: #fff; }

.shop-item-info { flex: 1; min-width: 0; }
.shop-item-name { font-weight: 600; font-size: 0.88rem; }
.shop-item-detail { font-size: 0.76rem; color: var(--text-secondary); margin-top: 2px; }

.urgency-pill {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  flex-shrink: 0;
}
.urgency-out { background: var(--red-bg); color: var(--red); border: 1px solid rgba(192,80,80,0.3); }
.urgency-low { background: var(--amber-bg); color: var(--amber); border: 1px solid rgba(200,149,74,0.3); }

/* ================================================================
   PROCESSING OVERLAY
   ================================================================ */
.processing-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 999;
  align-items: center;
  justify-content: center;
}
.processing-overlay.show { display: flex; }

.processing-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 44px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: tabIn 0.25s var(--ease);
}

.spinner-ring {
  width: 44px; height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  margin: 0 auto 18px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.processing-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 5px;
}
.processing-msg { font-size: 0.83rem; color: var(--text-secondary); }

/* ================================================================
   TOAST
   ================================================================ */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transition: all 0.3s var(--ease);
  pointer-events: none;
  z-index: 9999;
  white-space: nowrap;
  max-width: 90vw;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ================================================================
   EMPTY STATE
   ================================================================ */
.empty-state {
  text-align: center;
  padding: 64px 20px;
  color: var(--text-secondary);
}
.empty-state-icon { font-size: 2.5rem; margin-bottom: 14px; }
.empty-state h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 6px;
  font-weight: 600;
}
.empty-state p { font-size: 0.85rem; }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 640px) {
  .auth-card { padding: 32px 24px; }
  .nav-logo { display: none; }
  .nav-tabs { max-width: 260px; }
  .tab-label { display: none; }
  .nav-tab { padding: 6px 16px; }
  .items-grid { grid-template-columns: repeat(auto-fill, minmax(155px, 1fr)); }
  .main { padding: 20px 14px 80px; }
  .page-title { font-size: 1.5rem; }
  .add-form-grid { grid-template-columns: 1fr 1fr; }
  .user-name-chip { display: none; }
  .search-input { width: 150px; }
}