/* Excel Export Button */
.btn-excel {
  padding: 8px 14px;
  background: #16a34a;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
  transition: background 0.15s;
}
.btn-excel:hover { background: #15803d; }

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

/* Body */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #fff;
  min-height: 100vh;
}

/* Content Wrapper */
.content-wrapper {
  margin-left: 220px;
  padding: 0;
  min-height: 100vh;
  transition: margin-left 0.3s ease;
}

/* Page Header */
.page-header {
  margin-bottom: 15px;
  padding: 15px 40px 10px 80px;
  border-bottom: 1px solid #e2e8f0;
}

.page-header h1 {
  color: #2d3748;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.page-header p {
  color: #718096;
  font-size: 0.75rem;
}

/* ERP Card */
.erp-card {
  background: #fff;
  border-radius: 0;
  padding: 0;
  overflow: hidden;
  margin: 0;
  border: none;
  border-top: 1px solid #e2e8f0;
}

.card-body {
  padding: 40px;
}

/* Form Group - Common */
.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 8px;
}

/* Detail Page Card Header */
.card-header-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  background: #f7fafc;
  border-bottom: 2px solid #e2e8f0;
}

.card-header-detail h2 {
  margin: 0;
  font-size: 1.3rem;
  color: #2d3748;
  font-weight: 700;
}

/* Detail Page Card Body */
.card-body-detail {
  padding: 35px 40px;
}

/* Form Group Column Layout */
.form-group-column {
  display: flex;
  flex-direction: column;
}

.form-group-column label {
  font-weight: 600;
  color: #2d3748;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

/* Form Input Styles */
.form-input {
  padding: 12px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 4px;
  font-size: 1rem;
  background: #f7fafc;
}

/* Grid Full Width */
.grid-full-width {
  grid-column: 1 / -1;
}

/* Form Actions Margin Top */
.form-actions-mt {
  margin-top: 20px;
}

/* Table Column Widths */
.col-width-10 { width: 10%; }
.col-width-25 { width: 25%; }
.col-width-30 { width: 30%; }
.col-width-35 { width: 35%; }

/* Vertical Align Middle */
.valign-middle {
  vertical-align: middle;
}

/* Text Colors */
.text-muted {
  color: #a0aec0;
}

.text-placeholder {
  color: #94a3b8;
}

/* Inline Style Helpers */
.inline-style-1,
.inline-style-2,
.inline-style-3,
.inline-style-4,
.inline-style-5 {
  color: #718096;
  font-size: 0.85rem;
  margin-top: 4px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 40px;
  color: #94a3b8;
}

/* Hidden */
.hidden {
  display: none !important;
}

/* Spacer */
.spacer-1 {
  height: 1px;
}

/* Date Range Separator */
.date-separator {
  margin: 0 5px;
}

/* Flex Row with Gap */
.flex-row-gap {
  display: flex;
  gap: 10px;
}

/* Flex 1 */
.flex-1 {
  flex: 1;
}

/* Help Text */
.help-text {
  color: #718096;
  margin-top: 5px;
  display: block;
}

/* Table Column Widths - Additional */
.col-width-5 { width: 5%; }
.col-width-12 { width: 12%; }
.col-width-14 { width: 14%; }
.col-width-60 { width: 60px; }
.col-width-100 { width: 100px; }
.col-width-130 { width: 130px; }

/* Text Align */
.text-center { text-align: center; }

/* Detail Grid */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.detail-item {
  display: flex;
  flex-direction: column;
}

.detail-item label {
  font-weight: 600;
  color: #718096;
  margin-bottom: 6px;
  font-size: 0.9rem;
}

.detail-value {
  color: #2d3748;
  font-size: 1rem;
  padding: 10px 0;
  border-bottom: 1px solid #e2e8f0;
}

.detail-value.highlight-value {
  font-weight: 700;
  color: #4299e1;
}

/* Form Section */
.form-section {
  margin-bottom: 30px;
}

.section-title {
  font-size: 1.1rem;
  color: #2d3748;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #4299e1;
}

/* Form Grid */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

/* Form Actions */
.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid #e2e8f0;
}

/* Buttons */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: #4299e1;
  color: #fff;
}

.btn-primary:hover {
  background: #3182ce;
}

.btn-secondary {
  background: #e2e8f0;
  color: #4a5568;
}

.btn-secondary:hover {
  background: #cbd5e0;
}

/* Responsive */
@media (max-width: 900px) {
  .content-wrapper {
    margin-left: 160px;
    padding: 0;
  }
  .card-body {
    padding: 30px 25px;
  }
}

@media (max-width: 768px) {
  .content-wrapper {
    margin-left: 0;
    padding: 0;
  }
  .page-header {
    padding: 12px 20px 8px 70px;
  }
  .page-header h1 {
    font-size: 1rem;
  }
  .page-header p {
    font-size: 0.7rem;
  }
  .card-body {
    padding: 25px 20px;
  }
}