/* 
 * BRF Råstenen Mitt - Komponenter
 * Återanvändbara UI-komponenter
 */

/* ========== BUTTONS ========== */
.btn {
  display: inline-block;
  background-color: var(--secondary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: var(--font-size-base);
  text-align: center;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  line-height: 1.5;
  user-select: none;
}

.btn:hover {
  background-color: #c05a42;
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Button variants */
.btn-primary {
  background-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background-color: #246054;
  color: white;
}

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

.btn-secondary:hover {
  background-color: var(--primary);
  color: white;
}

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

.btn-success:hover {
  background-color: #8ca368;
  color: white;
}

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

.btn-warning:hover {
  background-color: #d4b082;
  color: var(--text-dark);
}

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

.btn-danger:hover {
  background-color: #d32f2f;
  color: white;
}

.btn-outline {
  background-color: transparent;
  border: 2px solid currentColor;
}

.btn-outline:hover {
  background-color: currentColor;
  color: white;
}

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

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

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

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

.btn-block {
  width: 100%;
  display: block;
}

/* Button with icon */
.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.btn-icon-only {
  padding: var(--spacing-sm);
  width: auto;
  aspect-ratio: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ========== CARDS ========== */
.card {
  background-color: white;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border: 1px solid var(--neutral-300);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-flat {
  box-shadow: none;
  border: 1px solid var(--neutral-300);
}

.card-elevated {
  box-shadow: var(--shadow-lg);
}

.card-elevated:hover {
  box-shadow: var(--shadow-xxl);
}

.card-header {
  padding: var(--spacing-lg);
  background-color: var(--background-alt);
  border-bottom: 1px solid var(--neutral-300);
}

.card-header h1,
.card-header h2,
.card-header h3,
.card-header h4,
.card-header h5,
.card-header h6 {
  margin-bottom: 0;
}

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

.card-footer {
  padding: var(--spacing-lg);
  background-color: var(--background-alt);
  border-top: 1px solid var(--neutral-300);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-img-top {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-img-overlay {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  padding: var(--spacing-lg);
  background: rgba(0, 0, 0, 0.4);
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: end;
}

/* Card variants */
.card-primary {
  border-color: var(--primary);
}

.card-primary .card-header {
  background-color: var(--primary);
  color: white;
}

.card-accent {
  position: relative;
}

.card-accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
}

/* ========== NEWS COMPONENTS ========== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.news-card {
  background-color: white;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border: 1px solid var(--neutral-300);
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.news-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--background-alt);
}

.news-content {
  padding: var(--spacing-lg);
}

.news-date {
  color: var(--text-medium);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.news-date::before {
  content: "📅";
  font-size: var(--font-size-xs);
}

.news-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
  line-height: 1.3;
}

.news-excerpt {
  color: var(--text-medium);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--neutral-300);
}

.news-author {
  font-size: var(--font-size-sm);
  color: var(--neutral-600);
  font-weight: 500;
}

.read-more {
  color: var(--primary);
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color var(--transition-normal);
  text-decoration: none;
}

.read-more:hover {
  color: var(--secondary);
}

.read-more::after {
  content: " →";
  transition: transform var(--transition-normal);
}

.read-more:hover::after {
  transform: translateX(3px);
}

/* Featured news card */
.news-card-featured {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--background) 0%, var(--background-alt) 100%);
  border: 2px solid var(--primary);
}

.news-card-featured .news-title {
  font-size: var(--font-size-xxl);
}

/* ========== DOCUMENT COMPONENTS ========== */
.documents-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.document-card {
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--neutral-300);
  position: relative;
  overflow: hidden;
}

.document-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.document-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  text-decoration: none;
  color: inherit;
}

.document-card:hover::before {
  transform: scaleX(1);
}

.document-icon {
  font-size: var(--font-size-xxxl);
  color: var(--primary);
  margin-bottom: var(--spacing-md);
  display: block;
  transition: transform var(--transition-normal);
}

.document-card:hover .document-icon {
  transform: scale(1.1);
}

.document-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
  font-weight: 600;
}

.document-description {
  color: var(--text-medium);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

.document-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  font-size: var(--font-size-xs);
}

.document-date {
  color: var(--neutral-600);
}

.document-type {
  background: var(--primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Document card with download action */
.document-card-download {
  display: flex;
  align-items: center;
  text-align: left;
  padding: var(--spacing-lg);
}

.document-card-download .document-icon {
  margin-right: var(--spacing-md);
  margin-bottom: 0;
  font-size: var(--font-size-xxl);
}

.document-card-download .document-content {
  flex: 1;
}

.document-card-download .document-action {
  color: var(--primary);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* ========== ALERTS & NOTIFICATIONS ========== */
.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid;
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

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

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.alert-text {
  margin: 0;
  line-height: 1.5;
}

.alert-success {
  background-color: #d4edda;
  border-color: var(--accent-success);
  color: #155724;
}

.alert-warning {
  background-color: #fff3cd;
  border-color: var(--accent-warning);
  color: #856404;
}

.alert-danger {
  background-color: #f8d7da;
  border-color: var(--accent-error);
  color: #721c24;
}

.alert-info {
  background-color: #d1ecf1;
  border-color: var(--accent-info);
  color: #0c5460;
}

/* Alert with close button */
.alert-dismissible {
  padding-right: calc(var(--spacing-lg) + 30px);
}

.alert-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  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;
}

/* ========== BADGES & TAGS ========== */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--border-radius-sm);
  background-color: var(--neutral-600);
  color: white;
  line-height: 1;
}

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

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

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

.badge-warning {
  background-color: var(--accent-warning);
  color: var(--text-dark);
}

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

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

.badge-light {
  background-color: var(--neutral-300);
  color: var(--text-dark);
}

.badge-dark {
  background-color: var(--text-dark);
}

/* Badge sizes */
.badge-sm {
  padding: 2px var(--spacing-xs);
  font-size: 10px;
}

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

/* Pill badges */
.badge-pill {
  border-radius: 20px;
}

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

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--text-dark);
}

.form-label-required::after {
  content: " *";
  color: var(--accent-error);
}

.form-control {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--neutral-300);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
  background-color: white;
  font-family: inherit;
}

.form-control:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(46, 110, 101, 0.1);
}

.form-control:invalid {
  border-color: var(--accent-error);
}

.form-control:disabled {
  background-color: var(--neutral-200);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-control-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.form-control-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.form-text {
  font-size: var(--font-size-sm);
  color: var(--neutral-600);
  margin-top: var(--spacing-xs);
  line-height: 1.4;
}

.form-error {
  font-size: var(--font-size-sm);
  color: var(--accent-error);
  margin-top: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.form-error::before {
  content: "⚠️";
}

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

.form-check-input {
  margin: 0;
  width: auto;
}

.form-check-label {
  margin: 0;
  font-weight: normal;
  cursor: pointer;
  user-select: none;
}

/* Input groups */
.input-group {
  display: flex;
  width: 100%;
}

.input-group .form-control {
  border-radius: 0;
}

.input-group .form-control:first-child {
  border-top-left-radius: var(--border-radius-sm);
  border-bottom-left-radius: var(--border-radius-sm);
}

.input-group .form-control:last-child {
  border-top-right-radius: var(--border-radius-sm);
  border-bottom-right-radius: var(--border-radius-sm);
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--neutral-200);
  border: 2px solid var(--neutral-300);
  color: var(--neutral-700);
}

.input-group-text:first-child {
  border-top-left-radius: var(--border-radius-sm);
  border-bottom-left-radius: var(--border-radius-sm);
  border-right: none;
}

.input-group-text:last-child {
  border-top-right-radius: var(--border-radius-sm);
  border-bottom-right-radius: var(--border-radius-sm);
  border-left: none;
}

/* ========== LOADING STATES ========== */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--neutral-300);
  border-radius: 50%;
  border-top-color: var(--primary);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

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

.tooltip-text {
  visibility: hidden;
  width: 200px;
  background-color: var(--text-dark);
  color: white;
  text-align: center;
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  position: absolute;
  z-index: var(--z-tooltip);
  bottom: 125%;
  left: 50%;
  margin-left: -100px;
  opacity: 0;
  transition: opacity var(--transition-normal);
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.tooltip-text::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: var(--text-dark) transparent transparent transparent;
}

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

/* ========== PROGRESS BARS ========== */
.progress {
  width: 100%;
  height: 20px;
  background-color: var(--neutral-200);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--primary);
  transition: width var(--transition-slow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.progress-bar-striped {
  background-image: linear-gradient(
    45deg,
    rgba(255, 255, 255, 0.15) 25%,
    transparent 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.15) 50%,
    rgba(255, 255, 255, 0.15) 75%,
    transparent 75%,
    transparent
  );
  background-size: 20px 20px;
}

.progress-bar-animated {
  animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
  0% {
    background-position: 20px 0;
  }
  100% {
    background-position: 0 0;
  }
}

/* Progress bar colors */
.progress-bar-success {
  background-color: var(--accent-success);
}

.progress-bar-warning {
  background-color: var(--accent-warning);
}

.progress-bar-danger {
  background-color: var(--accent-error);
}

/* ========== RESPONSIVE UTILITIES ========== */
@media (max-width: 768px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .documents-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
  
  .btn-block-mobile {
    width: 100%;
    display: block;
  }
  
  .card {
    margin-bottom: var(--spacing-md);
  }
  
  .document-card {
    padding: var(--spacing-md);
  }
  
  .alert {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .news-card-featured {
    grid-column: span 1;
  }

  .document-card-download {
    flex-direction: column;
    text-align: center;
  }

  .document-card-download .document-icon {
    margin-right: 0;
    margin-bottom: var(--spacing-md);
  }
}

/* ========== ACCESSIBILITY IMPROVEMENTS ========== */
@media (prefers-reduced-motion: reduce) {
  .card,
  .news-card,
  .document-card,
  .btn {
    transition: none;
  }
  
  .loading::after,
  .spinner,
  .progress-bar-animated {
    animation: none;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .card,
  .news-card,
  .document-card {
    border: 2px solid var(--text-dark);
  }
  
  .btn {
    border: 2px solid currentColor;
  }
}