/* ==========================================================================
   ABHIVANTA COMPONENT LIBRARY
   Buttons, Cards, Badges, Modals, Toasts, Form Controls & Tables
   ========================================================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.55rem 1.15rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1.25;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn svg, .btn i {
  width: 16px;
  height: 16px;
  stroke-width: 2.2;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(10, 61, 43, 0.25);
  border: 1px solid var(--primary-700);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: translateY(0);
}

.btn-emerald {
  background: var(--primary-500);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}
.btn-emerald:hover {
  background: var(--accent-500);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.35);
}

.btn-secondary {
  background: var(--slate-100);
  color: var(--slate-800);
  border: 1px solid var(--slate-200);
}
.btn-secondary:hover {
  background: var(--slate-200);
  color: var(--slate-900);
  border-color: var(--slate-300);
}

.btn-outline {
  background: transparent;
  color: var(--primary-700);
  border: 1px solid var(--primary-300);
}
.btn-outline:hover {
  background: var(--primary-50);
  color: var(--primary-800);
  border-color: var(--primary-500);
}

.btn-danger {
  background: var(--color-danger);
  color: #ffffff;
}
.btn-danger:hover {
  background: #dc2626;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--slate-600);
}
.btn-ghost:hover {
  background: var(--slate-100);
  color: var(--slate-900);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}
.btn-sm svg {
  width: 14px;
  height: 14px;
}

.btn-lg {
  padding: 0.75rem 1.6rem;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-icon {
  padding: 0.5rem;
  border-radius: var(--radius-md);
  color: var(--slate-600);
  background: transparent;
  border: 1px solid transparent;
}
.btn-icon:hover {
  background: var(--slate-100);
  color: var(--slate-900);
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.card:hover {
  border-color: var(--slate-300);
}

.card-header {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  background: var(--bg-card-header);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.card-subtitle {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 2px;
}

.card-body {
  padding: var(--space-5);
  flex: 1;
}

.card-footer {
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border-light);
  background: var(--slate-50);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* KPI / Metric Cards */
.kpi-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-200);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: transparent;
  transition: background var(--transition-fast);
}

.kpi-card:hover::before {
  background: linear-gradient(90deg, var(--primary-500), var(--accent-400));
}

.kpi-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.kpi-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.kpi-icon-wrap {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-50);
  color: var(--primary-700);
  flex-shrink: 0;
}

.kpi-icon-wrap svg {
  width: 16px;
  height: 16px;
}

.kpi-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 2px;
}

.kpi-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 11px;
  color: var(--text-muted);
}

.kpi-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  font-size: var(--text-2xs);
}

.kpi-badge.up {
  color: #047857;
  background: #d1fae5;
}

.kpi-badge.down {
  color: #b91c1c;
  background: #fee2e2;
}

/* Badges & Status Pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

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

.badge-success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}
.badge-success .badge-dot { background: #10b981; }

.badge-warning {
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
}
.badge-warning .badge-dot { background: #f59e0b; }

.badge-danger {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}
.badge-danger .badge-dot { background: #ef4444; }

.badge-info {
  background: #f0f9ff;
  color: #075985;
  border: 1px solid #bae6fd;
}
.badge-info .badge-dot { background: #0ea5e9; }

.badge-neutral {
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #cbd5e1;
}
.badge-neutral .badge-dot { background: #64748b; }

.badge-solar {
  background: #fff7ed;
  color: #c2410c;
  border: 1px solid #fed7aa;
}

.badge-wind {
  background: #ecfeff;
  color: #0e7490;
  border: 1px solid #a5f3fc;
}

.badge-hybrid {
  background: #f5f3ff;
  color: #6d28d9;
  border: 1px solid #ddd6fe;
}

/* Form Controls */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-1);
}

.form-label .required {
  color: var(--color-danger);
  margin-left: 2px;
}

.form-control, .form-select, .form-textarea {
  width: 100%;
  padding: 0.55rem 0.85rem;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--text-main);
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
  outline: none;
}

.form-control::placeholder {
  color: var(--slate-400);
}

.input-icon-group {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon-group svg, .input-icon-group i {
  position: absolute;
  left: 0.75rem;
  color: var(--slate-400);
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.input-icon-group .form-control {
  padding-left: 2.35rem;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 4px;
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-danger);
  margin-top: 4px;
}

/* Custom Checkbox / Switch */
.toggle-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  user-select: none;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--slate-300);
  transition: .3s;
  border-radius: 24px;
}

.switch-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.switch input:checked + .switch-slider {
  background-color: var(--primary-500);
}

.switch input:checked + .switch-slider:before {
  transform: translateX(20px);
}

/* Data Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--text-sm);
  text-align: left;
}

.data-table th {
  background: var(--slate-50);
  color: var(--text-muted);
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
}

.data-table th.sortable {
  cursor: pointer;
  user-select: none;
}

.data-table th.sortable:hover {
  color: var(--text-main);
  background: var(--slate-100);
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
  background-color: var(--slate-50);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  transform: translateY(15px) scale(0.98);
  transition: transform var(--transition-normal);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.modal-backdrop.active .modal-dialog {
  transform: translateY(0) scale(1);
}

.modal-dialog.modal-lg { max-width: 840px; }
.modal-dialog.modal-xl { max-width: 1040px; }

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card-header);
}

.modal-header h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 0;
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-light);
  background: var(--slate-50);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
  max-width: 380px;
}

.toast {
  pointer-events: auto;
  background: #ffffff;
  color: var(--text-main);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--primary-500);
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  transform: translateX(120%);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  border-top: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.toast.show {
  transform: translateX(0);
}

.toast-success { border-left-color: var(--color-success); }
.toast-warning { border-left-color: var(--color-warning); }
.toast-danger  { border-left-color: var(--color-danger); }
.toast-info    { border-left-color: var(--color-info); }

.toast-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-main);
}

.toast-message {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 2px;
}

.toast-close {
  background: transparent;
  border: none;
  color: var(--slate-400);
  cursor: pointer;
  padding: 0;
}
.toast-close:hover {
  color: var(--slate-700);
}

/* Tabs */
.tabs-header {
  display: flex;
  border-bottom: 1px solid var(--border-light);
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  overflow-x: auto;
}

.tab-btn {
  padding: 0.65rem 1.1rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--primary-700);
}

.tab-btn.active {
  color: var(--primary-700);
  border-bottom-color: var(--primary-500);
}

.tab-pane {
  display: none;
}
.tab-pane.active {
  display: block;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-10) var(--space-6);
}

.empty-state-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--slate-100);
  color: var(--slate-400);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.empty-state-icon svg {
  width: 28px;
  height: 28px;
}

.empty-state-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: var(--space-1);
}

.empty-state-desc {
  font-size: var(--text-sm);
  color: var(--text-muted);
  max-width: 420px;
  margin: 0 auto var(--space-4);
}