:root {
  --wine: #6b2d5e;
  --wine-dark: #4a1d40;
  --wine-light: #9b4a88;
  --gold: #d4a843;
  --bg: #f8f5f0;
  --surface: #ffffff;
  --border: #e0d5c8;
  --text: #2d1a2e;
  --text-muted: #7a6a7b;
  --success: #2e7d32;
  --danger: #c62828;
  --warning: #f57c00;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(107,45,94,0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  -webkit-text-size-adjust: 100%;
}

/* ── App Shell ── */
.app-header {
  background: var(--wine);
  color: white;
  padding: env(safe-area-inset-top, 8px) 20px 10px;
  padding-top: calc(env(safe-area-inset-top, 0px) + 8px);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.app-header h1 { font-size: 18px; font-weight: 700; letter-spacing: 0.3px; }
.app-header p  { font-size: 12px; opacity: 0.8; margin-top: 2px; }

.page { display: none; padding: 16px; }
.page.active { display: block; }

/* ── Cards ── */
.card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 16px;
}
.card h2 { font-size: 16px; color: var(--wine-dark); margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.card h3 { font-size: 14px; color: var(--text-muted); margin-bottom: 10px; }

/* ── Form Controls ── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text-muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.5px; }

input[type="date"],
input[type="text"],
input[type="number"],
select {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  color: var(--text);
  background: var(--bg);
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.2s;
}
input:focus, select:focus { outline: none; border-color: var(--wine); background: white; }

/* ── File Upload ── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}
.upload-zone.has-file { border-color: var(--wine); background: #f8f0f6; }
.upload-zone input[type="file"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; height: 100%; }
.upload-zone .icon { font-size: 36px; margin-bottom: 8px; }
.upload-zone p { font-size: 14px; color: var(--text-muted); }
.upload-zone .filename { font-size: 13px; color: var(--wine); font-weight: 600; margin-top: 6px; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  transition: all 0.15s;
  -webkit-tap-highlight-color: transparent;
  min-height: 52px;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--wine); color: white; }
.btn-primary:hover { background: var(--wine-dark); }
.btn-success { background: var(--success); color: white; }
.btn-danger  { background: var(--danger); color: white; }
.btn-outline { background: transparent; color: var(--wine); border: 2px solid var(--wine); }
.btn:disabled { opacity: 0.5; pointer-events: none; }
.btn-sm { padding: 8px 16px; font-size: 14px; min-height: 38px; width: auto; }

/* ── Status Badge ── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}
.badge-pending   { background: #fff3e0; color: #e65100; }
.badge-extracting{ background: #e3f2fd; color: #1565c0; }
.badge-extracted { background: #f3e5f5; color: #6a1b9a; }
.badge-approved  { background: #e8f5e9; color: #1b5e20; }
.badge-error     { background: #ffebee; color: #b71c1c; }

/* ── Processing Screen ── */
.spinner {
  width: 48px; height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--wine);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Tabs ── */
.tabs { display: flex; overflow-x: auto; gap: 4px; margin-bottom: 16px; padding-bottom: 4px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab-btn {
  flex-shrink: 0;
  padding: 8px 14px;
  border: 1.5px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  background: var(--surface);
  color: var(--text-muted);
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  transition: all 0.15s;
}
.tab-btn.active { background: var(--wine); color: white; border-color: var(--wine); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Data Table ── */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
table.stock-table {
  border-collapse: collapse;
  font-size: 12px;
  white-space: nowrap;
}
table.stock-table th {
  background: var(--wine);
  color: white;
  padding: 8px 6px;
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  position: sticky;
  top: 0;
}
table.stock-table th.col-item {
  position: sticky;
  left: 0;
  z-index: 10;
  text-align: left;
  min-width: 120px;
  padding-left: 10px;
}
table.stock-table th.group-header {
  background: var(--wine-dark);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
table.stock-table td {
  border: 1px solid var(--border);
  padding: 6px 4px;
  text-align: center;
  vertical-align: middle;
}
table.stock-table td.item-name {
  position: sticky;
  left: 0;
  background: white;
  z-index: 5;
  text-align: left;
  font-weight: 600;
  padding-left: 10px;
  min-width: 120px;
  box-shadow: 2px 0 4px rgba(0,0,0,0.06);
}
table.stock-table tr:nth-child(even) td { background: #faf8fb; }
table.stock-table tr:nth-child(even) td.item-name { background: #faf8fb; }
table.stock-table tr:last-child td { font-weight: 700; background: #f3e5f5; }

/* ── Editable cell ── */
.cell-input {
  width: 60px;
  border: none;
  text-align: center;
  background: transparent;
  font-size: 12px;
  color: var(--text);
  padding: 2px;
  border-radius: 4px;
}
.cell-input:focus {
  outline: 2px solid var(--wine-light);
  background: white;
}
.cell-input.item-input {
  width: 110px;
  text-align: left;
}

/* ── Summary Form ── */
.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.summary-field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.summary-field input {
  padding: 10px 12px;
  font-size: 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  width: 100%;
  background: var(--bg);
}
.summary-field input:focus { border-color: var(--wine); outline: none; background: white; }

/* ── Submission List ── */
.sub-item {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 10px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.sub-item:active { opacity: 0.8; }
.sub-item .sub-date { font-weight: 700; font-size: 16px; }
.sub-item .sub-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.sub-item .sub-right { text-align: right; }

/* ── Notification Banner ── */
.notif-banner {
  background: var(--wine-dark);
  color: white;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  cursor: pointer;
}
.notif-banner .notif-icon { font-size: 20px; }

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: white;
  padding: 12px 20px;
  border-radius: 24px;
  font-size: 14px;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  white-space: nowrap;
  max-width: calc(100% - 40px);
}
.toast.show { opacity: 1; }

/* ── Misc ── */
.text-center { text-align: center; }
.text-muted  { color: var(--text-muted); font-size: 13px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
.empty-state .emoji { font-size: 48px; margin-bottom: 12px; }

/* ── Row actions ── */
.row-actions { display: flex; gap: 6px; justify-content: flex-end; margin-top: 8px; }

/* ── Responsive tweaks ── */
@media (max-width: 380px) {
  .summary-grid { grid-template-columns: 1fr; }
}

/* ── Item Cards (review screen) ── */
.item-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.item-card.has-error { border-color: var(--danger); }
.item-card.is-expanded { border-color: var(--wine); }

.item-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.item-card-header:active { opacity: 0.75; }

.item-card-name {
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  flex: 1;
  margin-right: 8px;
}

.item-card-summary {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

.item-card-stat { text-align: right; }
.item-card-stat .stat-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.item-card-stat .stat-value {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}
.item-card-stat .stat-value.error { color: var(--danger); }

.item-card-chevron {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 6px;
  transition: transform 0.2s;
}
.item-card.is-expanded .item-card-chevron { transform: rotate(180deg); }

.val-badge { font-size: 16px; margin-left: 4px; flex-shrink: 0; }

/* Expanded body */
.item-card-body {
  display: none;
  border-top: 1px solid var(--border);
  padding: 12px 14px;
}
.item-card.is-expanded .item-card-body { display: block; }

.field-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  gap: 8px;
}
.field-row:last-child { border-bottom: none; }
.field-row.error-row { background: #fff5f5; border-radius: 6px; padding: 6px 8px; margin: 0 -8px; }

.field-row-label {
  font-size: 12px;
  color: var(--text-muted);
  min-width: 80px;
}

.field-row-values { display: flex; gap: 6px; align-items: center; }

.field-val {
  min-width: 52px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  padding: 4px 6px;
  border-radius: 6px;
  cursor: pointer;
  border: 1.5px solid transparent;
  -webkit-tap-highlight-color: transparent;
}
.field-val:hover { background: var(--bg); }
.field-val.empty { color: var(--text-muted); font-weight: 400; }

.field-val-input {
  min-width: 52px;
  width: 64px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  padding: 4px 6px;
  border-radius: 6px;
  border: 1.5px solid var(--wine);
  background: white;
  color: var(--text);
}
.field-val-input:focus { outline: none; }

.field-error-msg {
  font-size: 11px;
  color: var(--danger);
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.subcol-labels {
  display: flex;
  gap: 6px;
  margin-bottom: 4px;
  justify-content: flex-end;
}
.subcol-label {
  min-width: 52px;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Validation summary banner */
.validation-banner {
  background: #fff5f5;
  border: 1.5px solid var(--danger);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--danger);
  font-weight: 600;
  display: none;
}
.validation-banner.visible { display: block; }

/* Summary read-only */
.summary-field .summary-val {
  padding: 10px 12px;
  font-size: 18px;
  font-weight: 700;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  min-height: 44px;
  cursor: pointer;
  display: block;
  -webkit-tap-highlight-color: transparent;
}
.summary-field .summary-val.error { border-color: var(--danger); color: var(--danger); }
.summary-field .summary-val.empty { color: var(--text-muted); font-weight: 400; font-size: 14px; }