/* =============================================
   COMPONENT STYLES
   ============================================= */

/* HEADER & NAVIGATION */

header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-neutral-border-light);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.navbar {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--spacing-lg);
}

.navbar-brand {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.navbar-logo {
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
}

.navbar-nav {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
  list-style: none;
}

.navbar-nav a {
  color: var(--color-neutral-dark-gray);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  transition: color var(--transition-normal);
}

.navbar-nav a:hover {
  color: var(--color-primary);
}

.navbar-nav a.active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 0.25rem;
}

/* BUTTONS */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background-color: var(--color-neutral-bg-light);
  color: var(--color-primary);
  border: 1px solid var(--color-neutral-border);
}

.btn-secondary:hover {
  background-color: var(--color-neutral-border-light);
  border-color: var(--color-primary);
}

.btn-tertiary {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-tertiary:hover {
  background-color: var(--color-primary-light);
}

.btn-success {
  background-color: var(--color-success);
  color: #ffffff;
}

.btn-success:hover {
  opacity: 0.9;
}

.btn-warning {
  background-color: var(--color-warning);
  color: #ffffff;
}

.btn-warning:hover {
  opacity: 0.9;
}

.btn-error {
  background-color: var(--color-error);
  color: #ffffff;
}

.btn-error:hover {
  opacity: 0.9;
}

.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-block {
  width: 100%;
}

.btn-disabled,
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* CARDS */

.card {
  background-color: #ffffff;
  border: 1px solid var(--color-neutral-border-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-neutral-border);
}

.card-header {
  border-bottom: 1px solid var(--color-neutral-border-light);
  padding-bottom: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

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

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

.card-accent {
  border-left: 4px solid var(--color-primary);
}

.card-accent-success {
  border-left: 4px solid var(--color-success);
}

.card-accent-warning {
  border-left: 4px solid var(--color-warning);
}

.card-accent-error {
  border-left: 4px solid var(--color-error);
}

.card-accent-info {
  border-left: 4px solid var(--color-info);
}

/* BADGES & LABELS */

.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-success {
  background-color: var(--color-success-light);
  color: var(--color-success);
}

.badge-warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning);
}

.badge-error {
  background-color: var(--color-error-light);
  color: var(--color-error);
}

.badge-info {
  background-color: var(--color-info-light);
  color: var(--color-info);
}

.badge-outline {
  background-color: transparent;
  border: 1px solid currentColor;
}

/* ALERTS & MESSAGES */

.alert {
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.alert-icon {
  font-size: var(--font-size-lg);
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-content {
  flex-grow: 1;
}

.alert-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

.alert-description {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

.alert-success {
  background-color: var(--color-success-light);
  border-color: var(--color-success);
  color: var(--color-success);
}

.alert-warning {
  background-color: var(--color-warning-light);
  border-color: var(--color-warning);
  color: var(--color-warning);
}

.alert-error {
  background-color: var(--color-error-light);
  border-color: var(--color-error);
  color: var(--color-error);
}

.alert-info {
  background-color: var(--color-info-light);
  border-color: var(--color-info);
  color: var(--color-info);
}

.alert-close {
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition-normal);
}

.alert-close:hover {
  opacity: 1;
}

/* FORMS */

.form-group {
  margin-bottom: var(--spacing-lg);
}

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

.form-label.required::after {
  content: '*';
  color: var(--color-error);
  margin-left: var(--spacing-xs);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-neutral-border);
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
  background-color: #ffffff;
  color: var(--color-neutral-black);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
  box-shadow: 0 0 0 3px rgba(196, 28, 59, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

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

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

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

/* FOOTER */

footer {
  background-color: var(--color-neutral-bg-light);
  border-top: 1px solid var(--color-neutral-border-light);
  padding: var(--spacing-2xl) var(--spacing-lg);
  margin-top: auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-neutral-dark-gray);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--color-neutral-gray);
  text-decoration: none;
  font-size: var(--font-size-sm);
}

.footer-section a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-neutral-border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer-copyright {
  font-size: var(--font-size-xs);
  color: var(--color-neutral-gray);
}

/* TABLES */

.table-container {
  width: 100%;
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background-color: #ffffff;
}

.table thead {
  background-color: var(--color-neutral-bg-light);
  border-bottom: 2px solid var(--color-neutral-border);
}

.table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-dark-gray);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-neutral-border-light);
  font-size: var(--font-size-sm);
}

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

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

/* PAGINATION */

.pagination {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) 0;
}

.pagination-item {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-neutral-border);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  color: var(--color-neutral-dark-gray);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: var(--font-size-sm);
}

.pagination-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination-item.active {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.pagination-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* BREADCRUMBS */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  font-size: var(--font-size-sm);
}

.breadcrumb-item {
  color: var(--color-neutral-gray);
}

.breadcrumb-item a {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumb-item a:hover {
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--color-neutral-dark-gray);
  font-weight: var(--font-weight-medium);
}

.breadcrumb-separator {
  color: var(--color-neutral-border);
}

/* MODALS & OVERLAYS */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-modal);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-neutral-border-light);
}

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

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-neutral-border-light);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

/* SKELETON LOADERS */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-neutral-bg-light) 0%,
    #f0f0f0 50%,
    var(--color-neutral-bg-light) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-text {
  height: 0.875rem;
  margin-bottom: var(--spacing-sm);
}

.skeleton-title {
  height: 1.5rem;
  margin-bottom: var(--spacing-md);
}