/* Component Library: Buttons, Cards, Modals, Forms, Tables, Badges */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary) 0%, #0369a1 100%);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #0ea5e9 0%, var(--accent-primary) 100%);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.45);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--accent-emerald) 0%, #059669 100%);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(16, 185, 129, 0.3);
}
.btn-success:hover {
  background: linear-gradient(135deg, #34d399 0%, var(--accent-emerald) 100%);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.45);
}

.btn-danger {
  background: linear-gradient(135deg, var(--accent-rose) 0%, #be123c 100%);
  color: #ffffff;
}
.btn-danger:hover {
  background: linear-gradient(135deg, #fb7185 0%, var(--accent-rose) 100%);
}

.btn-outline {
  background: transparent;
  border-color: var(--border-default);
  color: var(--text-secondary);
}
.btn-outline:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast);
}
.card:hover {
  border-color: var(--border-default);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Metric / KPI Card */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.kpi-card {
  background: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-surface) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  width: 4px;
  height: 100%;
  background: var(--kpi-accent, var(--accent-primary));
}

.kpi-title {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.kpi-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.kpi-subtext {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
}

.badge-draft {
  background: rgba(148, 163, 184, 0.15);
  color: #94a3b8;
  border: 1px solid rgba(148, 163, 184, 0.25);
}
.badge-calculated {
  background: rgba(2, 132, 199, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(2, 132, 199, 0.3);
}
.badge-in_review {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.badge-approved {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.badge-locked {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.3);
}
.badge-cancelled {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}
.badge-active {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Data Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

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

.data-table th {
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 13.5px;
  vertical-align: middle;
}

.data-table tr:last-child td {
  border-bottom: none;
}
.data-table tbody tr:hover {
  background: var(--bg-card-hover);
}

/* Forms & Inputs */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 18px;
}

.form-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 13.5px;
  transition: all var(--transition-fast);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-glow);
}

/* Tabs */
.tabs-header {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 24px;
  overflow-x: auto;
}

.tab-btn {
  padding: 10px 18px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.tab-btn:hover {
  color: var(--text-primary);
}
.tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: modalIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
}
.modal-title {
  font-size: 17px;
  font-weight: 700;
}
.modal-close-btn {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
}
.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}
.modal-footer {
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.15);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Toasts */
.toast-container {
  position: fixed;
  bottom: 24px;
  inset-inline-end: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  min-width: 300px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  color: var(--text-primary);
  font-size: 13.5px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.25s ease forwards;
}

.toast-success { border-color: var(--accent-emerald); }
.toast-error { border-color: var(--accent-rose); }
.toast-warning { border-color: var(--accent-amber); }
.toast-info { border-color: var(--accent-primary); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}
.empty-state-icon {
  font-size: 42px;
  margin-bottom: 12px;
  opacity: 0.7;
}
.empty-state-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.empty-state-subtext {
  font-size: 12.5px;
  color: var(--text-muted);
}