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

:root {
  --color-amber: #D4913B;
  --color-amber-light: #F5C77E;
  --color-cream: #FFF8F0;
  --color-text-dark: #2C2416;
  --color-text-medium: #5A4D3A;
  --color-text-light: #8B7D6B;
  --color-border: #EDE4D8;
  --sidebar-width: 260px;
}

body {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--color-cream);
  color: var(--color-text-dark);
  min-height: 100vh;
}

/* Layout */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: white;
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: 1000;
}

.sidebar-header {
  padding: 24px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.logo-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 8px;
}

.sidebar-header h2 {
  font-family: 'Playfair Display', serif;
  color: var(--color-text-dark);
  font-size: 1.3rem;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
}

.nav-link {
  display: block;
  padding: 14px 24px;
  color: var(--color-text-medium);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.95rem;
  font-weight: 600;
}

.nav-link:hover {
  background: rgba(212, 145, 59, 0.08);
  color: var(--color-amber);
  padding-left: 32px;
}

.nav-link.active {
  background: linear-gradient(90deg, rgba(212, 145, 59, 0.08) 0%, transparent 100%);
  color: var(--color-amber);
  border-right: 3px solid var(--color-amber);
}

.sidebar-footer {
  padding: 20px;
  background: var(--color-cream);
  border-top: 1px solid var(--color-border);
}

.user-info {
  font-size: 0.9rem;
  color: var(--color-text-medium);
  margin-bottom: 16px;
}

.btn-small {
  padding: 8px 20px;
  font-size: 0.85rem;
}

/* Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  padding: 32px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.page-header h1 {
  font-family: 'Playfair Display', serif;
  color: var(--color-text-dark);
  font-size: 2rem;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background: white;
  padding: 24px;
  border-radius: 20px;
  box-shadow: 0 2px 15px rgba(44, 36, 22, 0.08);
  text-align: center;
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(44, 36, 22, 0.12);
}

.stat-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.stat-number {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-amber);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--color-text-medium);
  font-weight: 600;
}

/* Table Styles */
.inventory-table-container,
.table-container {
  background: white;
  border-radius: 16px;
  box-shadow: 0 2px 15px rgba(44, 36, 22, 0.08);
  overflow: hidden;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table thead {
  background: var(--color-cream);
}

.data-table th {
  padding: 16px;
  text-align: left;
  font-weight: 700;
  color: var(--color-text-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-medium);
}

.data-table tbody tr:hover {
  background: rgba(212, 145, 59, 0.03);
}

/* Status badges */
.status-badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge.pending {
  background: #FFF9C4;
  color: var(--color-text-dark);
}

.status-badge.paid {
  background: #C8E6C9;
  color: #2E7D32;
}

.status-badge.shipped {
  background: #BBDEFB;
  color: #1565C0;
}

.status-badge.completed {
  background: #A5D6A7;
  color: #1B5E20;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  border: none;
}

.btn-primary {
  background: var(--color-amber);
  color: white;
}

.btn-primary:hover {
  background: #B87A2E;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(212, 145, 59, 0.3);
}

.btn-secondary {
  background: white;
  color: var(--color-text-dark);
  border: 2px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-cream);
  border-color: var(--color-text-medium);
}

/* Section Styles */
.content-section {
  display: none;
  animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Form Styles */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-amber);
  box-shadow: 0 4px 12px rgba(212, 145, 59, 0.1);
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: white;
  border-radius: 24px;
  padding: 32px;
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-content h2 {
  font-family: 'Playfair Display', serif;
  color: var(--color-text-dark);
  margin-bottom: 24px;
}

.modal-buttons {
  display: flex;
  gap: 16px;
  justify-content: flex-end;
  margin-top: 24px;
}

/* Summary Cards */
.transaction-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.summary-card {
  background: white;
  padding: 24px;
  border-radius: 16px;
  box-shadow: 0 2px 15px rgba(44, 36, 22, 0.08);
  text-align: center;
}

.summary-card.income {
  border-top: 4px solid #2E7D32;
}

.summary-card.expense {
  border-top: 4px solid #C62828;
}

.summary-card.net {
  border-top: 4px solid var(--color-amber);
}

.summary-card span {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-medium);
  margin-bottom: 8px;
}

.summary-card strong {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--color-text-dark);
}

/* Tab Buttons */
.inventory-tabs {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.tab-btn {
  padding: 12px 24px;
  background: white;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tab-btn.active {
  background: var(--color-amber);
  color: white;
  border-color: var(--color-amber);
}

.inventory-tab-content {
  display: none;
}

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

/* Recent Activity Table */
.recent-activity {
  background: white;
  padding: 24px;
  border-radius: 20px;
  box-shadow: 0 2px 15px rgba(44, 36, 22, 0.08);
}

.recent-activity h3 {
  font-family: 'Playfair Display', serif;
  color: var(--color-text-dark);
  margin-bottom: 20px;
}

/* Serial Preview */
.serial-preview {
  background: var(--color-cream);
  padding: 16px;
  border-radius: 12px;
  margin-bottom: 24px;
  text-align: center;
}

.serial-preview span {
  color: var(--color-amber);
  font-weight: 700;
  font-size: 1.2rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }

  .main-content {
    margin-left: 0;
    padding: 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

.btn-text {
  background: none;
  color: var(--color-text-medium);
  border: none;
  padding: 8px 16px;
}

.btn-text:hover {
  text-decoration: underline;
}