* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-sans); background-color: white; }

:root {
  --c-brand: #B85A30;
  --c-brand-light: #FAECE7;
  --c-brand-dark: #712B13;
  --c-success: #3B6D11;
  --c-success-light: #EAF3DE;
  --c-warn: #854F0B;
  --c-warn-light: #FAEEDA;
  --c-danger: #A32D2D;
  --c-danger-light: #FCEBEB;
  --border-radius-lg: 12px;
  --border-radius-md: 8px;

  --color-background-primary: #ffffff;
  --color-background-secondary: #f8f9fb;
  --color-background-tertiary: #f3f4f6;

  --color-text-primary: #1f2937;
  --color-text-secondary: #6b7280;

  --color-border-secondary: #e5e7eb;
  --color-border-tertiary: #f0f0f0;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.app { min-height: 600px; display: flex; flex-direction: column; }

/* ── Top bar ── */
.top-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
  background: var(--color-background-primary);
}
.logo { display: flex; align-items: center; gap: 8px; }
.logo-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--c-brand); display: flex; align-items: center; justify-content: center;
  font-size: 16px; color: white;
}
.logo-text { font-size: 15px; font-weight: 500; color: var(--color-text-primary); }
.logo-sub  { font-size: 11px; color: var(--color-text-secondary); }

/* ── Nav tabs ── */
.nav-tabs {
  display: flex; gap: 4px; padding: 0 16px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
  background: var(--color-background-primary);
}
.tab {
  padding: 10px 14px; font-size: 13px; cursor: pointer;
  border-bottom: 2px solid transparent; color: var(--color-text-secondary);
  transition: color 0.15s; white-space: nowrap;
  background: none; border-left: none; border-right: none; border-top: none;
}
.tab:hover  { color: var(--color-text-primary); }
.tab.active { color: var(--c-brand); border-bottom-color: var(--c-brand); font-weight: 500; }

/* ── Main area ── */
.main { flex: 1; padding: 16px; background: var(--color-background-tertiary); }

.section        { display: none; }
.section.active { display: block; }

/* ── Stats grid ── */
.grid-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.stat-card {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 12px 14px;
}
.stat-label { font-size: 11px; color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.stat-value { font-size: 22px; font-weight: 500; color: var(--color-text-primary); }
.stat-sub   { font-size: 11px; color: var(--color-text-secondary); margin-top: 2px; }

/* ── Card ── */
.card {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  overflow: hidden; margin-bottom: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
}
.card-title { font-size: 14px; font-weight: 500; color: var(--color-text-primary); }

/* ── Buttons ── */
.btn {
  padding: 6px 12px; font-size: 12px; border-radius: 6px; cursor: pointer;
  border: 0.5px solid var(--color-border-secondary);
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  transition: all 0.2s ease;
}
.btn:active  { transform: scale(0.97); }
.btn:hover   { background: var(--color-background-secondary); }
.btn-primary { background: var(--c-brand); border-color: var(--c-brand); color: white; }
.btn-primary:hover { background: var(--c-brand-dark); }
.btn-sm      { padding: 4px 8px; font-size: 11px; }

/* ── Table ── */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left; padding: 10px 16px;
  font-size: 11px; font-weight: 500; color: var(--color-text-secondary);
  text-transform: uppercase; letter-spacing: 0.04em;
  background: var(--color-background-secondary);
  border-bottom: 0.5px solid var(--color-border-tertiary);
}
td { padding: 11px 16px; border-bottom: 0.5px solid var(--color-border-tertiary); color: var(--color-text-primary); }
tr:last-child td { border-bottom: none; }
tr:hover td    { background: var(--color-background-secondary); }

/* ── Badges ── */
.badge { display: inline-block; padding: 2px 8px; border-radius: 20px; font-size: 11px; font-weight: 500; }
.badge-ok  { background: var(--c-success-light); color: var(--c-success); }
.badge-low { background: var(--c-warn-light);    color: var(--c-warn); }
.badge-out { background: var(--c-danger-light);  color: var(--c-danger); }

/* ── Progress bar ── */
.progress-bar  { height: 6px; border-radius: 3px; background: var(--color-background-secondary); overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; transition: width 0.3s; }

/* ── Add form ── */
.form-row   { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 10px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
label { font-size: 12px; color: var(--color-text-secondary); }
input, select {
  padding: 8px 10px; font-size: 13px;
  border: 0.5px solid var(--color-border-secondary);
  border-radius: 6px;
  background: var(--color-background-primary);
  color: var(--color-text-primary);
}
input:focus, select:focus { outline: none; border-color: var(--c-brand); }
.add-form        { padding: 16px; display: none; border-top: 0.5px solid var(--color-border-tertiary); }
.add-form.open   { display: block; }
.form-actions    { display: flex; gap: 8px; margin-top: 12px; justify-content: flex-end; }

/* ── Alerts ── */
.alert-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 0.5px solid var(--color-border-tertiary);
}
.alert-item:last-child { border-bottom: none; }
.alert-dot { width: 8px; height: 8px; border-radius: 50%; margin-right: 10px; flex-shrink: 0; }

/* ── Overlays / Modals ── */
.overlay        { position: fixed; inset: 0; background: rgba(0,0,0,0.45); display: none; align-items: center; justify-content: center; z-index: 100; }
.overlay.open   { display: flex; }
.modal          { background-color: white; border-radius: var(--border-radius-lg); border: 0.5px solid var(--color-border-secondary); padding: 28px; width: 320px; max-width: 90vw; }
.modal-title    { font-size: 16px; font-weight: 500; margin-bottom: 6px; color: var(--color-text-primary); }
.modal-sub      { font-size: 13px; color: var(--color-text-secondary); margin-bottom: 20px; }
.modal-actions  { display: flex; gap: 8px; margin-top: 16px; }
.modal-actions .btn { flex: 1; justify-content: center; text-align: center; }

/* ── Chef panel ── */
.chef-area   { background-color: white; border: 0.5px solid var(--color-border-tertiary); border-radius: var(--border-radius-lg); overflow: hidden; }
.chef-header { padding: 16px; background: var(--c-brand); color: white; display: flex; align-items: center; gap: 10px; }
.chef-icon   { font-size: 24px; }
.chef-title  { font-size: 15px; font-weight: 500; }
.chef-sub    { font-size: 12px; opacity: 0.8; }
.chef-content { padding: 20px; background-color: white; }

/* ── Report grid ── */
.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
.report-card { background: var(--color-background-secondary); border-radius: var(--border-radius-md); padding: 14px; }
.report-num  { font-size: 20px; font-weight: 500; color: var(--color-text-primary); }
.report-lbl  { font-size: 11px; color: var(--color-text-secondary); margin-top: 2px; }

/* ── History ── */
.history-item      { display: flex; gap: 10px; padding: 8px 0; border-bottom: 0.5px solid var(--color-border-tertiary); font-size: 13px; }
.history-item:last-child { border-bottom: none; }
.history-time      { font-size: 11px; color: var(--color-text-secondary); white-space: nowrap; min-width: 70px; }

/* ── Search bar ── */
.search-bar       { display: flex; gap: 8px; margin-bottom: 12px; }
.search-bar input { flex: 1; }

/* ── Category filter ── */
.cat-filter   { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.cat-btn      { padding: 4px 10px; border-radius: 20px; font-size: 12px; cursor: pointer; border: 0.5px solid var(--color-border-secondary); background: var(--color-background-primary); color: var(--color-text-secondary); }
.cat-btn.active { background: var(--c-brand-light); border-color: var(--c-brand); color: var(--c-brand-dark); font-weight: 500; }

/* ── Quantity control ── */
.quantity-ctrl { display: flex; align-items: center; gap: 6px; }
.qty-btn       { width: 24px; height: 24px; border-radius: 4px; border: 0.5px solid var(--color-border-secondary); background: var(--color-background-secondary); cursor: pointer; font-size: 16px; display: flex; align-items: center; justify-content: center; color: var(--color-text-primary); }
.qty-btn:hover { background: var(--color-background-tertiary); }
.qty-num       { min-width: 30px; text-align: center; font-size: 13px; font-weight: 500; }