/* ========================================
   Component Styles - Reusable Components
   ======================================== */

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-all);
  white-space: nowrap;
  user-select: none;
  outline: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn:not(:disabled):active {
  transform: translateY(0);
}

/* Button Variants */
.btn-primary {
  background: var(--color-primary) !important;
  color: white !important;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark) !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-colored);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.6);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-success {
  background-color: var(--color-success);
  color: var(--text-white);
}

.btn-success:hover:not(:disabled) {
  background-color: var(--color-success-dark);
}

.btn-danger {
  background-color: var(--color-danger);
  color: var(--text-white);
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--color-danger-dark);
}

.btn-warning {
  background-color: var(--color-warning);
  color: var(--text-white);
}

.btn-warning:hover:not(:disabled) {
  background-color: var(--color-warning-dark);
}

.btn-info {
  background-color: var(--color-info);
  color: var(--text-white);
}

.btn-info:hover:not(:disabled) {
  background-color: var(--color-info-dark);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--text-white);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-primary);
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--bg-hover);
}

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-3xl);
  font-size: var(--font-size-lg);
}

.btn-xl {
  padding: var(--spacing-xl) var(--spacing-4xl);
  font-size: var(--font-size-xl);
}

/* Button Block */
.btn-block {
  display: flex;
  width: 100%;
}

/* ========== CARDS ========== */
.card {
  background-color: var(--bg-card);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  padding: var(--spacing-2xl);
  transition: var(--transition-all);
  border: 1px solid rgba(59, 130, 246, 0.1);
  overflow: hidden;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  padding: 24px 28px;
  margin: calc(-1 * var(--spacing-2xl)) calc(-1 * var(--spacing-2xl)) var(--spacing-lg);
  border-bottom: 2px solid rgba(59, 130, 246, 0.1);
  background: var(--bg-gradient-light);
  position: relative;
}

.card-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-subtle);
}

.card-body {
  padding: var(--spacing-lg) 0;
}

.card-footer {
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.card-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-title i {
  color: var(--color-primary);
  font-size: 22px;
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
}

/* ========== MODALS ========== */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--bg-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalSlideIn 0.3s ease;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-2xl);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
}

.modal-close,
.close-modal {
  background: none;
  border: none;
  font-size: var(--font-size-3xl);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

.modal-close:hover,
.close-modal:hover {
  background-color: var(--bg-hover);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--spacing-2xl);
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-md);
  padding: var(--spacing-2xl);
  border-top: 1px solid var(--border-color);
}

/* ========== FORMS ========== */
.form-group {
  margin-bottom: var(--spacing-xl);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.form-control,
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  color: var(--text-primary);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  outline: none;
}

.form-control:focus,
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control:disabled,
.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  background-color: var(--color-gray-100);
  cursor: not-allowed;
  opacity: 0.6;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-lg) center;
  background-size: 12px;
  padding-right: var(--spacing-3xl);
}

.form-helper {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
}

.form-error {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-danger);
  margin-top: var(--spacing-sm);
}

.form-control.is-invalid,
.form-input.is-invalid {
  border-color: var(--color-danger);
}

.form-control.is-valid,
.form-input.is-valid {
  border-color: var(--color-success);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.form-check-input {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-check-label {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}

/* ========== BADGES ========== */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 700;
  border-radius: 999px;
  white-space: nowrap;
}

.badge-count {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-colored);
  margin-left: auto;
}

.badge-primary {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--color-primary-dark);
}

.badge-secondary {
  background-color: rgba(99, 102, 241, 0.1);
  color: var(--color-secondary-dark);
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success-dark);
}

.badge-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-warning-dark);
}

.badge-danger {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-danger-dark);
}

.badge-info {
  background-color: rgba(6, 182, 212, 0.1);
  color: var(--color-info-dark);
}

.badge-blue {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--color-primary-dark);
}

.badge-yellow {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-warning-dark);
}

/* Status Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-paid,
.status-active {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--color-success-dark);
}

.status-unpaid,
.status-pending {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--color-warning-dark);
}

.status-overdue,
.status-cancelled {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--color-danger-dark);
}

.status-inactive {
  background-color: rgba(107, 114, 128, 0.15);
  color: var(--color-gray-600);
}

/* ========== ALERTS ========== */
.alert {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.alert-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success-dark);
  border-left: 4px solid var(--color-success);
}

.alert-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-warning-dark);
  border-left: 4px solid var(--color-warning);
}

.alert-danger {
  background-color: rgba(239, 68, 68, 0.1);
  color: var(--color-danger-dark);
  border-left: 4px solid var(--color-danger);
}

.alert-info {
  background-color: rgba(6, 182, 212, 0.1);
  color: var(--color-info-dark);
  border-left: 4px solid var(--color-info);
}

/* ========== TABLES ========== */
.table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.table thead {
  background-color: var(--color-gray-50);
}

.table th {
  padding: var(--spacing-lg) var(--spacing-xl);
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table td {
  padding: var(--spacing-lg) var(--spacing-xl);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  border-top: 1px solid var(--border-color);
}

.table tbody tr:hover {
  background-color: var(--bg-hover);
}

/* ========== PAGINATION ========== */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-2xl);
}

.pagination a,
.pagination button {
  padding: var(--spacing-sm) var(--spacing-md);
  min-width: 40px;
  text-align: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-base);
  font-size: var(--font-size-sm);
}

.pagination a:hover,
.pagination button:hover {
  background-color: var(--color-primary);
  color: var(--text-white);
  border-color: var(--color-primary);
}

.pagination .active {
  background-color: var(--color-primary);
  color: var(--text-white);
  border-color: var(--color-primary);
}

/* ========== LOADING SPINNER ========== */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 6px;
}

/* ========== TOOLTIPS ========== */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-text {
  visibility: hidden;
  position: absolute;
  z-index: var(--z-tooltip);
  background-color: var(--color-gray-900);
  color: var(--text-white);
  text-align: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* ========== DROPDOWN ========== */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: var(--z-dropdown);
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
}

.dropdown-menu.active {
  display: block;
}

.dropdown-item {
  display: block;
  padding: var(--spacing-md) var(--spacing-xl);
  color: var(--text-primary);
  text-decoration: none;
  transition: var(--transition-base);
  cursor: pointer;
}

.dropdown-item:hover {
  background-color: var(--bg-hover);
  color: var(--color-primary);
}

.dropdown-divider {
  height: 1px;
  background-color: var(--border-color);
  margin: var(--spacing-sm) 0;
}

/* ========== INFO CARDS (Profile Style) ========== */
.info-card {
  background: white;
  border-radius: 16px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(59, 130, 246, 0.1);
  position: relative;
  overflow: hidden;
}

.info-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-subtle);
  opacity: 0;
  transition: opacity 0.3s;
}

.info-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(59, 130, 246, 0.2);
}

.info-card:hover::before {
  opacity: 1;
}

.info-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  flex-shrink: 0;
  box-shadow: var(--shadow-colored);
}

.info-card-content {
  flex: 1;
}

.info-card-label {
  font-size: 12px;
  color: var(--text-light);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 6px;
}

.info-card-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}