/* Tokens Design System Pampling */
:root {
  --bg-base:#F5F0EB;
  --bg-card:rgba(255,255,255,0.70);
  --bg-card-2:rgba(255,255,255,0.90);
  --bg-input:rgba(255,255,255,0.80);
  --border:rgba(45,42,38,0.08);
  --border-light:rgba(45,42,38,0.05);
  --text-primary:#2D2A26;
  --text-secondary:rgba(45,42,38,0.60);
  --text-muted:rgba(45,42,38,0.35);
  --accent-a:#7947F8;
  --accent-a-end:#A855F7;
  --accent-a-grad:linear-gradient(135deg,#7947F8,#A855F7);
  --accent-a-soft:rgba(121,71,248,0.10);
  --accent-b:#4A9EFF;
  --accent-b-soft:rgba(74,158,255,0.10);
  --green:#5C8A6C;
  --green-soft:rgba(92,138,108,0.12);
  --amber:#C99555;
  --amber-soft:rgba(201,149,85,0.12);
  --red:#E05252;
  --red-soft:rgba(224,82,82,0.12);
  --radius-sm:8px;
  --radius:16px;
  --radius-lg:20px;
  --shadow:0 1px 4px rgba(45,42,38,0.06);
  --shadow-md:0 4px 16px rgba(45,42,38,0.08);
  --font:'Poppins',system-ui,sans-serif;
  --nav-height:60px;
}

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

body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font);
  padding-top: calc(var(--nav-height) + 24px);
  padding-left: 32px;
  padding-right: 32px;
  line-height: 1.6;
}

/* Navbar Fixed */
.app-navbar {
  position: fixed;
  top: 0;
  width: 100%;
  height: var(--nav-height);
  padding: 0 32px;
  background: rgba(245,240,235,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 100;
}

.navbar-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.navbar-brand::first-letter {
  color: var(--accent-a);
}

.navbar-tabs {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 20px;
}

#current-user {
  font-size: 13px;
  color: var(--text-secondary);
}

.btn-logout {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  font-size: 12px;
  color: var(--text-primary);
}

.btn-logout:hover {
  background: rgba(0,0,0,0.05);
}

.navbar-tab {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.navbar-tab:hover {
  color: var(--accent-a);
}

.navbar-tab.active {
  background: var(--accent-a-soft);
  color: var(--accent-a);
}

/* Page Header */
.page-header {
  margin-bottom: 32px;
}

.section-tag {
  width: 24px;
  height: 3px;
  background: var(--accent-a);
  border-radius: 999px;
  margin-bottom: 12px;
}

.page-header h1 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -1px;
  margin-bottom: 8px;
}

.page-description {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Main */
.app-main {
  max-width: 1400px;
  margin: 0 auto;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Controls */
.stock-controls {
  display: flex;
  gap: 32px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.control-group label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
}

.control-group select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.control-group select:focus {
  outline: none;
  border-color: var(--accent-a);
}

/* Loading */
.loading {
  text-align: center;
  padding: 32px;
  color: var(--text-secondary);
  font-style: italic;
}

/* KPI Section */
.kpi-section {
  margin-bottom: 48px;
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  transition: all 0.2s ease;
}

.kpi-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent-a);
}

.kpi-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-a);
  letter-spacing: -1px;
}

/* Stock Section */
.stock-section-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
}

.stock-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.stock-header-row h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.toggle-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--accent-a);
}

/* Table Filters */
.table-filters {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.filter-group {
  flex: 1;
  min-width: 150px;
}

.filter-input,
.filter-select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 13px;
  transition: border-color 0.2s ease;
}

.filter-input::placeholder {
  color: var(--text-muted);
}

.filter-input:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--accent-a);
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: 32px;
  border-radius: var(--radius);
}

.stock-table,
.shipments-table,
.arrivals-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card-2);
}

.stock-table thead,
.shipments-table thead,
.arrivals-table thead {
  background: rgba(245,240,235,0.70);
  border-bottom: 1px solid var(--border);
}

.stock-table th,
.shipments-table th,
.arrivals-table th {
  padding: 12px;
  text-align: left;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.stock-table td,
.shipments-table td,
.arrivals-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border-light);
  font-size: 13px;
}

.stock-table tbody tr:hover,
.shipments-table tbody tr:hover,
.arrivals-table tbody tr:hover {
  background: var(--bg-card);
}

.stock-table .color-code {
  display: inline-block;
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: 1px solid var(--border);
  vertical-align: middle;
  margin-right: 8px;
}

.stock-table .qty,
.shipments-table .qty,
.arrivals-table .qty {
  text-align: right;
  font-family: 'Courier New', monospace;
}

.stock-table .total-row {
  font-weight: 600;
  background: rgba(245,240,235,0.70);
  border-top: 2px solid var(--border);
}

/* Status & Variance Badges */
.status-badge,
.variance-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.delivered {
  background: var(--green-soft);
  color: var(--green);
}

.status-badge.invoiced {
  background: var(--accent-b-soft);
  color: var(--accent-b);
}

.status-badge.pending {
  background: rgba(245,240,235,0.70);
  color: var(--text-secondary);
}

.variance-badge.zero {
  background: var(--green-soft);
  color: var(--green);
}

.variance-badge.warning {
  background: var(--amber-soft);
  color: var(--amber);
}

.variance-badge.error {
  background: var(--red-soft);
  color: var(--red);
}

/* Shipments Section */
.shipments-section-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
}

.shipments-section-card h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 20px 0;
}

/* Arrivals */
.arrivals-container {
  max-width: 900px;
}

.form-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  margin-bottom: 32px;
}

.form-group {
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-group input,
.form-group select {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 13px;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-a);
}

h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 32px 0 16px 0;
}

#arrivals-message {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 16px;
  font-size: 13px;
}

#arrivals-message.success {
  background: var(--green-soft);
  border-color: var(--green);
  color: var(--green);
}

#arrivals-message.error {
  background: var(--red-soft);
  border-color: var(--red);
  color: var(--red);
}

/* Buttons */
.btn {
  padding: 8px 22px;
  border: none;
  border-radius: 999px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--accent-a-grad);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-success {
  background: var(--green);
  color: #fff;
}

.btn-success:hover:not(:disabled) {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--text-secondary);
  color: #fff;
}

.btn-secondary:hover:not(:disabled) {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Import Section */
.import-container {
  max-width: 600px;
}

.import-help {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.8;
}

.import-help ul {
  margin: 16px 0 0 24px;
}

.import-help li {
  margin: 8px 0;
}

.import-upload {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
  align-items: flex-end;
  flex-wrap: wrap;
}

#import-file {
  flex: 1;
  min-width: 200px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  cursor: pointer;
}

.import-actions {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.btn-confirm,
.btn-cancel {
  flex: 1;
}

/* Preview & Result Boxes */
.preview-box,
.result-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.preview-box h3,
.result-box h3 {
  margin-bottom: 24px;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 700;
}

.preview-detail {
  margin: 12px 0;
  font-size: 13px;
}

.preview-detail strong {
  color: var(--text-primary);
}

#preview-warnings {
  margin-top: 24px;
  padding: 16px;
  background: var(--amber-soft);
  border: 1px solid var(--amber);
  border-radius: var(--radius-sm);
}

#preview-warnings h3 {
  color: var(--amber);
  margin-bottom: 12px;
  font-size: 13px;
}

#warnings-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

#warnings-list li {
  padding: 8px 0;
  color: var(--amber);
  font-size: 12px;
}

.result-box.success {
  border-color: var(--green);
  background: var(--green-soft);
}

.result-box.success h3 {
  color: var(--green);
}

#result-details {
  background: var(--bg-card-2);
  padding: 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-size: 12px;
}

/* Responsive */
@media (max-width: 768px) {
  body {
    padding-left: 16px;
    padding-right: 16px;
  }

  .app-navbar {
    padding: 0 16px;
  }

  .page-header h1 {
    font-size: 24px;
  }

  .stock-controls {
    flex-direction: column;
    gap: 16px;
  }

  .stock-header-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .table-filters {
    flex-direction: column;
  }

  .filter-group {
    min-width: auto;
  }

  .kpi-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .stock-table,
  .shipments-table,
  .arrivals-table {
    font-size: 12px;
  }

  .stock-table th,
  .shipments-table th,
  .arrivals-table th,
  .stock-table td,
  .shipments-table td,
  .arrivals-table td {
    padding: 8px;
  }

  .form-box {
    padding: 16px;
  }

  .btn {
    padding: 8px 16px;
    font-size: 12px;
  }

  .import-upload {
    flex-direction: column;
  }

  #import-file {
    min-width: auto;
  }
}