/**
 * @file public/css/styles.css
 * @description Pure CSS3 Industrial-Agritech Design System.
 *   Uses CSS Custom Properties, Flexbox/Grid layouts, tabular numeric typography,
 *   accessible focus states, and responsive breakpoints without external frameworks.
 */

:root {
  /* Palette: Botanical Slate & High-Contrast Laboratory Neutrals */
  --bg-canvas: #f2f6f3;
  --bg-surface: #ffffff;
  --bg-subtle: #f8fbf9;
  --bg-header: #0d261e;
  --bg-header-accent: #173b2f;

  --border-light: #d8e3dc;
  --border-strong: #b6c8bd;

  --text-primary: #10231c;
  --text-secondary: #465d53;
  --text-muted: #6c8278;

  --brand-primary: #147a44;
  --brand-primary-hover: #0e6035;
  --brand-soft: #e6f5ec;

  --day-bg: #e0f2fe;
  --day-fg: #0369a1;
  --night-bg: #ede9fe;
  --night-fg: #5b21b6;

  --warn-bg: #fef3c7;
  --warn-fg: #92400e;
  --danger-bg: #fee2e2;
  --danger-fg: #b91c1c;
  --ok-bg: #dcfce7;
  --ok-fg: #166534;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 3px rgba(16, 35, 28, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 35, 28, 0.09);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ==================== TOP HEADER & NAVIGATION ==================== */
.app-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 24px;
  background: var(--bg-header);
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-emblem {
  width: 42px;
  height: 42px;
  padding: 4px;
  border-radius: var(--radius-sm);
  background: #ffffff;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.22);
}

.brand-emblem.large {
  width: 76px;
  height: 76px;
  padding: 6px;
  border-radius: var(--radius-md);
  background: #ffffff;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  margin: 0 auto 12px;
}

.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.brand-subtitle {
  margin: 0;
  font-size: 11.5px;
  color: #9ec2b2;
}

.role-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-pill {
  background: transparent;
  color: #cde0d7;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-pill:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.nav-pill.active {
  background: var(--bg-header-accent);
  color: #ffffff;
  border-color: rgba(74, 222, 128, 0.4);
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.clock-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
}

.shift-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.shift-dot.day {
  background: #38bdf8;
  box-shadow: 0 0 6px #38bdf8;
}

.shift-dot.night {
  background: #c084fc;
  box-shadow: 0 0 6px #c084fc;
}

.clock-time {
  font-family: var(--font-mono);
  font-weight: 600;
  color: #f0fdf4;
}

.shift-tag {
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.14);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-chip-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.2;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
}

.user-role-badge {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: #86efac;
}

/* ==================== MAIN WORKSPACE & CONTAINERS ==================== */
.app-main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.page-header h2 {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.page-header p {
  margin: 0;
  color: var(--text-secondary);
}

.wrap-gap {
  flex-wrap: wrap;
  gap: 12px;
}

.workspace-two-col {
  display: grid;
  grid-template-columns: minmax(360px, 430px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.workspace-two-col.equal {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.stack-lg {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ==================== AUTHENTICATION VIEW ==================== */
.auth-layout {
  min-height: calc(100vh - 60px);
  display: grid;
  place-items: center;
}

.auth-card {
  width: 100%;
  max-width: 480px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-md);
}

.auth-card-header {
  text-align: center;
  margin-bottom: 22px;
}

.auth-card-header h2 {
  margin: 0 0 4px;
  font-size: 21px;
}

.auth-card-header p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
}

.demo-accounts-box {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border-light);
}

.demo-accounts-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}

.demo-accounts-header small {
  font-weight: 400;
  color: var(--text-muted);
}

.demo-account-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.demo-acc-btn {
  display: flex;
  align-items: center;
  gap: 9px;
  text-align: left;
  padding: 8px 10px;
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.demo-acc-btn:hover {
  background: var(--brand-soft);
  border-color: var(--brand-primary);
}

.demo-acc-btn.span-full {
  grid-column: 1 / -1;
}

.demo-acc-btn strong {
  display: block;
  font-size: 12.5px;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.demo-acc-btn small {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
}

.role-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.role-dot.prod {
  background: #0284c7;
}

.role-dot.whse {
  background: #d97706;
}

.role-dot.mgr {
  background: #15803d;
}

/* ==================== PANELS & KPI CARDS ==================== */
.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}

.panel-header h3 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
}

.panel-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-primary);
}

.muted-note {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(195px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.kpi-grid.three-col {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 15px 18px;
  box-shadow: var(--shadow-sm);
}

.kpi-card.warn {
  border-left: 4px solid #d97706;
}

.kpi-card.accent {
  border-left: 4px solid var(--brand-primary);
}

.kpi-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.kpi-value {
  margin-top: 4px;
  font-size: 24px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}

.kpi-sub {
  margin-top: 3px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ==================== FORMS, INPUTS & BUTTONS ==================== */
.form-stack {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.form-row-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.machine-total-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 11px;
  background: var(--brand-soft);
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--ok-fg);
  font-weight: 500;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-group label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-primary);
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="search"],
input[type="month"],
select {
  width: 100%;
  padding: 8.5px 11px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13.5px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(20, 122, 68, 0.16);
}

input[readonly],
select:disabled {
  background: #f1f5f2;
  color: var(--text-secondary);
  cursor: not-allowed;
}

.inline-check {
  display: inline-flex !important;
  align-items: center;
  gap: 4px;
  font-size: 11.5px !important;
  font-weight: 500 !important;
  color: var(--text-secondary) !important;
  cursor: pointer;
}

.segmented-control {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-subtle);
  padding: 4px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  gap: 4px;
}

.segment-option {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px 10px;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.segment-option input {
  display: none;
}

.segment-option.active {
  background: var(--brand-primary);
  color: #ffffff;
}

.segment-option.outbound.active {
  background: #b45309;
  color: #ffffff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 15px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--brand-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--brand-primary-hover);
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background: var(--bg-subtle);
}

.btn-outline-light {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.32);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
}

.btn-danger-ghost {
  background: transparent;
  color: var(--danger-fg);
  border: 1px solid #fecaca;
  padding: 6px 9px;
}

.btn-danger-ghost:hover {
  background: var(--danger-bg);
}

.btn-sm {
  padding: 6px 11px;
  font-size: 12.5px;
}

.btn-xs {
  padding: 4px 9px;
  font-size: 12px;
}

.btn-block {
  width: 100%;
}

.action-cluster,
.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-bar input,
.filter-bar select {
  width: auto;
  min-width: 155px;
}

/* ==================== SMART AUTOCOMPLETE WIDGET ==================== */
.autocomplete-wrapper {
  position: relative;
}

.ac-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  z-index: 60;
  max-height: 250px;
  overflow-y: auto;
  background: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

.ac-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 11px;
  border-bottom: 1px solid #eef3ef;
  cursor: pointer;
}

.ac-option:last-child {
  border-bottom: none;
}

.ac-option:hover,
.ac-option.active {
  background: var(--brand-soft);
}

.ac-option-title {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
}

.ac-option-title mark {
  background: #fde68a;
  color: inherit;
  padding: 0 1px;
  border-radius: 2px;
}

.ac-option-sub {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.ac-option-stock {
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--brand-primary);
  white-space: nowrap;
}

.ac-empty {
  padding: 9px 11px;
  font-size: 12px;
  color: var(--text-muted);
}

.selected-item-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: var(--brand-soft);
  border: 1px solid #a7f3d0;
  font-size: 12px;
  color: var(--ok-fg);
}

.duplicate-warning {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background: var(--warn-bg);
  border: 1px solid #fcd34d;
  color: var(--warn-fg);
  font-size: 12px;
}

/* ==================== PRODUCTION MODULE ELEMENTS ==================== */
.shift-banner-card {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  text-align: right;
}

.shift-banner-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.shift-banner-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-primary);
}

.inline-unit-select {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
}

.inline-unit-select select {
  width: auto;
  padding: 5px 9px;
}

.subpanel {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.subpanel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}

.ingredients-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ingredient-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 115px auto;
  gap: 8px;
  align-items: start;
}

.ingredient-avail {
  grid-column: 1 / -1;
  font-size: 11.5px;
  color: var(--text-secondary);
  margin-top: -3px;
}

/* Machine Input Cards for Production Line 1 (Generous Spacing & Visual Distinction) */
.machine-inputs-stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 10px;
}

.machine-input-card {
  background: var(--surface-subtle, #f8fafc);
  border: 1px solid var(--border-color, #e2e8f0);
  border-left: 5px solid var(--primary, #0f766e);
  border-radius: var(--radius-md, 8px);
  padding: 16px 18px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.machine-input-card:focus-within {
  border-color: #cbd5e1;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.07);
}

#prod-m1-card {
  border-left-color: #2563eb; /* Blue for Machine 1 */
}

#prod-m2-card {
  border-left-color: #059669; /* Emerald for Machine 2 */
}

#prod-m3-card {
  border-left-color: #d97706; /* Amber for Machine 3 */
}

#prod-m4-card {
  border-left-color: #7c3aed; /* Purple for Machine 4 */
}

.machine-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--border-color, #e2e8f0);
  flex-wrap: wrap;
  gap: 8px;
}

.machine-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
}

.machine-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.machine-badge-1 {
  background: #dbeafe;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

.machine-badge-2 {
  background: #d1fae5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.machine-badge-3 {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
}

.machine-badge-4 {
  background: #ede9fe;
  color: #6d28d9;
  border: 1px solid #ddd6fe;
}

.machine-ingredients-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Specification Preview Box (Read-only on Production Floor) */
.spec-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 6px;
}

.spec-preview-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 14px;
  background: var(--surface-card, #ffffff);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: var(--radius-sm, 6px);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.spec-preview-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary, #64748b);
}

.spec-preview-value {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-primary, #0f172a);
}

/* Stock Specification / Variant Dropdown in Tables */
.stock-cell-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
}

.stock-val-line {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  font-variant-numeric: tabular-nums;
}

.stock-spec-badge {
  font-size: 10px;
  padding: 1px 6px;
  background-color: var(--primary-ghost, rgba(16, 185, 129, 0.12));
  color: var(--primary, #10b981);
  border: 1px solid var(--primary);
  border-radius: 4px;
  font-weight: 600;
}

.stock-spec-dropdown {
  display: inline-block;
  max-width: 195px;
  width: auto;
  padding: 2px 6px;
  font-size: 11px;
  line-height: 1.35;
  color: var(--text-secondary, #64748b);
  background: var(--surface-card, #ffffff);
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: var(--radius-sm, 4px);
  cursor: pointer;
  text-align: left;
}

.stock-spec-dropdown:hover,
.stock-spec-dropdown:focus {
  border-color: var(--primary, #10b981);
  color: var(--text-primary, #0f172a);
}

@media (max-width: 768px) {
  .stock-cell-wrap {
    align-items: flex-start;
  }
  .stock-val-line {
    justify-content: flex-start;
  }
  .stock-spec-dropdown {
    max-width: 100%;
    width: 100%;
  }
}

.yield-live-box {
  background: #0f2920;
  color: #f0fdf4;
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.yield-metrics-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 10px;
}

.metric-caption {
  display: block;
  font-size: 11px;
  color: #9ec2b2;
  text-transform: uppercase;
}

.metric-val {
  font-size: 15.5px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.metric-val.highlight {
  color: #4ade80;
  font-size: 18px;
}

.progress-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #22c55e, #4ade80);
  transition: width 0.2s ease;
}

.progress-fill.warn {
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.progress-fill.danger {
  background: linear-gradient(90deg, #ef4444, #f87171);
}

.yield-hint {
  margin: 8px 0 0;
  font-size: 12px;
  color: #bbf7d0;
}

/* ==================== MANAGER SUBTABS, CATALOG & ACCOUNT ADMIN ==================== */
.subtab-bar {
  display: inline-flex;
  flex-wrap: wrap;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 4px;
  gap: 4px;
  margin-bottom: 18px;
}

.field-hint {
  display: block;
  font-size: 11.5px;
  color: var(--text-muted);
  line-height: 1.4;
}

.row-actions {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.accounts-admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 18px;
}

.account-admin-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.account-admin-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-light);
}

.password-field-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px;
  align-items: center;
}

.subtab-btn {
  border: none;
  background: transparent;
  padding: 8px 15px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
}

.subtab-btn.active {
  background: var(--brand-primary);
  color: #ffffff;
}

.operator-bars-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.op-bar-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.op-bar-head {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}

.op-bar-track {
  height: 10px;
  border-radius: 999px;
  background: #e5ede8;
  overflow: hidden;
}

.op-bar-fill {
  height: 100%;
  background: var(--brand-primary);
  border-radius: 999px;
}

/* ==================== DATA TABLES & STATUS BADGES ==================== */
.table-scroll {
  overflow-x: auto;
  overflow-y: auto;
  max-height: 520px;
  position: relative;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-sm);
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 #f1f5f3;
}

.table-scroll::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.table-scroll::-webkit-scrollbar-track {
  background: #f1f5f3;
  border-radius: 4px;
}

.table-scroll::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

.table-scroll::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

.table-scroll thead th {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--bg-subtle, #f1f5f3);
  box-shadow: 0 1px 0 #e7efe9;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th,
.data-table td {
  padding: 9.5px 11px;
  text-align: left;
  border-bottom: 1px solid #e7efe9;
  vertical-align: middle;
}

.data-table.compact th,
.data-table.compact td {
  padding: 7.5px 9px;
  font-size: 12.5px;
}

.data-table th {
  background: var(--bg-subtle);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.data-table tbody tr:hover {
  background: #f9fcfa;
}

.data-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.mono {
  font-family: var(--font-mono);
  font-size: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.badge.ok {
  background: var(--ok-bg);
  color: var(--ok-fg);
}

.badge.warn {
  background: var(--warn-bg);
  color: var(--warn-fg);
}

.badge.neutral {
  background: var(--border-light);
  color: var(--text-secondary);
}

.badge.danger {
  background: var(--danger-bg);
  color: var(--danger-fg);
}

.badge.day {
  background: var(--day-bg);
  color: var(--day-fg);
}

.badge.night {
  background: var(--night-bg);
  color: var(--night-fg);
}

.badge.cat-raw_material {
  background: #e0f2fe;
  color: #075985;
}

.badge.cat-outsourced_product {
  background: #fef3c7;
  color: #92400e;
}

.badge.cat-manufactured_good {
  background: #dcfce7;
  color: #166534;
}

.delta-pos {
  color: var(--ok-fg);
  font-weight: 700;
}

.delta-neg {
  color: var(--danger-fg);
  font-weight: 700;
}

/* ==================== ALERTS & TOAST NOTIFICATIONS ==================== */
.form-alert {
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 600;
}

.form-alert.error {
  background: var(--danger-bg);
  color: var(--danger-fg);
  border: 1px solid #fca5a5;
}

.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 380px;
}

.toast {
  padding: 11px 15px;
  border-radius: var(--radius-sm);
  background: #10231c;
  color: #ffffff;
  font-size: 13px;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  border-left: 4px solid #22c55e;
}

.toast.error {
  border-left-color: #ef4444;
}

.toast.warn {
  border-left-color: #f59e0b;
}

/* ==================== PRODUCT ASSIGNMENT CHECKLISTS & PILLS ==================== */
.assign-checklist {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 9px 11px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  max-height: 185px;
  overflow-y: auto;
}

.assign-check-item {
  display: flex !important;
  align-items: center;
  justify-content: flex-start !important;
  gap: 8px;
  font-size: 12.5px !important;
  font-weight: 500 !important;
  color: var(--text-primary) !important;
  cursor: pointer;
}

.assign-check-item input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--brand-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.prod-catalog-browser {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: #ffffff;
  padding: 8px;
}

.prod-catalog-filter-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 8px;
}

.prod-catalog-filter-row select {
  padding: 5px 8px;
  font-size: 12px;
}

.assigned-pills-wrap {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 150px;
  overflow-y: auto;
}

.assigned-product-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
  text-align: left;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: var(--bg-subtle);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.assigned-product-chip:hover,
.assigned-product-chip.selected {
  border-color: var(--brand-primary);
  background: #ecfdf5;
}

.assigned-chip-main {
  display: flex;
  align-items: baseline;
  gap: 6px;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.assigned-chip-meta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  font-size: 11px;
  color: var(--text-secondary);
}

/* ==================== RESPONSIVE & PRINT MEDIA ==================== */

/* PC / Wide Desktop Optimizations (Warehouse & Manager multi-column workspaces) */
@media (min-width: 1041px) {
  .workspace-two-col > .panel:first-child {
    position: sticky;
    top: 84px;
  }

  .workspace-two-col.equal > .panel:first-child {
    position: static;
  }
}

@media (min-width: 1440px) {
  .app-main {
    max-width: 1600px;
    padding: 28px 36px 56px;
  }

  .workspace-two-col {
    grid-template-columns: minmax(400px, 460px) minmax(0, 1fr);
    gap: 24px;
  }
}

/* Tablet & Mobile Shared Containment Rules (<= 1040px) — Zero Horizontal Overflow */
@media (max-width: 1040px) {
  html,
  body {
    overflow-x: hidden;
    max-width: 100%;
  }

  .app-main,
  .view-section,
  .stack-lg,
  .panel,
  .subpanel,
  .form-stack,
  .form-group,
  .autocomplete-wrapper {
    min-width: 0;
    max-width: 100%;
  }

  .workspace-two-col,
  .workspace-two-col.equal {
    grid-template-columns: minmax(0, 1fr);
  }

  .app-header {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px;
    gap: 10px;
    width: 100%;
    max-width: 100%;
  }

  .role-nav {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2px;
  }

  .nav-pill {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .header-meta {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .table-scroll {
    width: 100%;
    max-width: 100%;
    max-height: 440px;
    overflow-x: auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* Mobile Phone Layout (<= 768px) — Optimized for Production Floor Phones */
@media (max-width: 768px) {
  /* Prevent iOS Safari / Android Chrome auto-zoom on input focus & ensure 44px touch targets */
  input[type="text"],
  input[type="password"],
  input[type="number"],
  input[type="search"],
  input[type="month"],
  input[type="date"],
  select,
  textarea {
    font-size: 16px;
    min-height: 44px;
    padding: 9px 11px;
    max-width: 100%;
    min-width: 0;
  }

  .prod-catalog-filter-row select {
    font-size: 15px;
    min-height: 40px;
    padding: 7px 9px;
  }

  .btn {
    min-height: 42px;
    padding: 9px 14px;
    font-size: 13.5px;
    max-width: 100%;
  }

  .btn-sm,
  .btn-xs {
    min-height: 36px;
    padding: 6px 10px;
    font-size: 12.5px;
  }

  #btn-prod-submit,
  #btn-wh-submit,
  #btn-login-submit,
  #btn-cat-submit {
    min-height: 48px;
    font-size: 15px;
    font-weight: 700;
  }

  /* Compact, non-overflowing Navbar on Mobile Phones */
  .app-header {
    position: relative;
    flex-direction: column;
    align-items: stretch;
    padding: 10px 12px;
    gap: 8px;
  }

  .header-brand {
    width: 100%;
    justify-content: flex-start;
    gap: 10px;
    min-width: 0;
  }

  .brand-emblem {
    width: 36px;
    height: 36px;
  }

  .brand-title {
    font-size: 15px;
    line-height: 1.2;
  }

  .brand-subtitle {
    font-size: 11px;
    line-height: 1.2;
  }

  .role-nav {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    gap: 6px;
    padding: 2px 0;
  }

  .nav-pill {
    flex: 0 0 auto;
    padding: 7px 11px;
    font-size: 12.5px;
  }

  .header-meta {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
  }

  .clock-pill {
    padding: 4px 10px;
    font-size: 11px;
    gap: 6px;
    max-width: 100%;
    flex: 1 1 auto;
    justify-content: center;
  }

  .user-chip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    width: 100%;
    padding-top: 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .user-chip-info {
    align-items: flex-start;
    min-width: 0;
    overflow: hidden;
  }

  .user-name,
  .user-role-badge {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  /* Workspace & Page Headers */
  .app-main {
    padding: 12px 10px 32px;
  }

  .page-header {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-bottom: 14px;
  }

  .page-header h2 {
    font-size: 18px;
    line-height: 1.25;
  }

  .page-header p {
    font-size: 12.5px;
  }

  .shift-banner-card {
    width: 100%;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 6px;
    padding: 9px 12px;
  }

  .action-cluster {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
  }

  .action-cluster .btn {
    flex: 1 1 auto;
  }

  /* Horizontally scrollable Manager subtabs on mobile */
  .subtab-bar {
    display: flex;
    flex-wrap: nowrap;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 4px;
    gap: 4px;
  }

  .subtab-btn {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 8px 12px;
    font-size: 12.5px;
  }

  /* Panels & Subpanels on Mobile */
  .panel {
    padding: 14px 12px;
  }

  .panel-header {
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 8px;
  }

  .panel-header h3 {
    font-size: 14.5px;
  }

  .subpanel {
    padding: 10px;
  }

  .subpanel-header {
    flex-wrap: wrap;
    gap: 8px;
  }

  .subpanel-header .btn {
    width: 100%;
    justify-content: center;
  }

  /* Ingredient & Balance Before rows: fit search + qty + × button cleanly inside phone width */
  .ingredient-row {
    grid-template-columns: minmax(0, 1fr) 84px 38px;
    gap: 6px;
    align-items: center;
  }

  .ingredient-row .btn-danger-ghost {
    width: 38px;
    min-height: 44px;
    padding: 0;
    font-size: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .ingredient-avail {
    font-size: 11px;
    word-break: break-word;
  }

  /* Smart Autocomplete & Selected Pill */
  .ac-dropdown {
    max-height: 240px;
  }

  .ac-option {
    padding: 10px;
    flex-wrap: wrap;
    gap: 4px;
  }

  .selected-item-banner {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    word-break: break-word;
  }

  .selected-item-banner .btn {
    align-self: flex-end;
  }

  /* Prod Line 3 Assigned Product Browser & Specs on Mobile */
  .prod-catalog-filter-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 6px;
  }

  .assigned-pills-wrap {
    max-height: 190px;
  }

  .assigned-product-chip {
    min-height: 42px;
    padding: 8px 10px;
    flex-wrap: wrap;
    gap: 4px;
  }

  .assigned-chip-main {
    white-space: normal;
    word-break: break-word;
    overflow: visible;
    line-height: 1.3;
  }

  .assigned-chip-meta {
    flex-wrap: wrap;
    white-space: normal;
  }

  .form-row-3 {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 8px;
  }

  .form-row-4 {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 8px;
  }

  .form-row-3 > .form-group:first-child {
    grid-column: 1 / -1;
  }

  .form-row-2 {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  /* Live Yield & Mass-Balance Preview Box */
  .yield-live-box {
    padding: 12px;
  }

  .yield-metrics-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .metric-val {
    font-size: 14px;
    word-break: break-word;
  }

  .metric-val.highlight {
    font-size: 16px;
  }

  /* Filter Bars, KPI Grids & Admin Grids */
  .filter-bar {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 8px;
  }

  .filter-bar input,
  .filter-bar select,
  .filter-bar .btn {
    width: 100%;
    min-width: 0;
  }

  .kpi-grid,
  .kpi-grid.three-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 14px;
  }

  .kpi-card {
    padding: 12px;
    min-width: 0;
  }

  .kpi-value {
    font-size: 19px;
    word-break: break-word;
  }

  .accounts-admin-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .account-admin-card {
    padding: 12px;
    min-width: 0;
  }

  .account-admin-head {
    flex-wrap: wrap;
  }

  /* Data Tables on Mobile */
  .data-table th,
  .data-table td {
    padding: 8px 10px;
    font-size: 12px;
  }

  /* Auth Login Card & Toasts on Mobile */
  .auth-layout {
    min-height: 100vh;
    padding: 12px 6px;
    align-items: flex-start;
  }

  .auth-card {
    padding: 20px 14px;
    max-width: 100%;
  }

  .demo-accounts-header {
    flex-direction: column;
    gap: 2px;
  }

  .demo-account-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .toast-container {
    left: 10px;
    right: 10px;
    bottom: 10px;
    max-width: none;
  }
}

/* Small Smartphone Screens (<= 420px) */
@media (max-width: 420px) {
  .kpi-grid,
  .kpi-grid.three-col,
  .prod-catalog-filter-row,
  .form-row-3,
  .form-row-4 {
    grid-template-columns: minmax(0, 1fr);
  }

  .ingredient-row {
    grid-template-columns: minmax(0, 1fr) 76px 36px;
  }
}

@media print {
  .app-header,
  .subtab-bar,
  .action-cluster,
  .filter-bar,
  .btn {
    display: none !important;
  }

  body {
    background: #ffffff;
  }

  .panel {
    box-shadow: none;
    border-color: #cccccc;
  }
}