/**
 * components.css
 * Wiederverwendbare UI-Komponenten: Buttons, Cards, Badges
 * Projekt: Transparentes Villach
 */

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  text-align: center;
  text-decoration: none;
  border: var(--border-width-thick) solid transparent;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1.5;
  min-height: 44px;
  min-width: 44px;
  white-space: nowrap;
}

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

/* Button Varianten */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-bg);
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-light);
  border-color: var(--color-secondary-light);
  color: var(--color-bg);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text);
  border-color: var(--color-primary);
}

.btn-disabled,
.btn:disabled {
  background-color: var(--color-bg-alt);
  color: var(--color-text-muted);
  border-color: var(--color-border);
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
  box-shadow: none;
}

.btn-disabled:hover,
.btn:disabled:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-text-muted);
  border-color: var(--color-border);
  transform: none;
  box-shadow: none;
}

/* Button Größen */
.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);
}

/* Button Block (volle Breite) */
.btn-block {
  display: block;
  width: 100%;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
  background-color: var(--color-bg);
  border: var(--border-width) solid var(--color-border-light);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Card mit Flexbox für Button unten */
.card-with-action {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card-with-action .card-content {
  flex-grow: 1;
}

.card-with-action .card-action {
  margin-top: auto;
  padding-top: var(--spacing-md);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.card-text {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.card-footer {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: var(--border-width) solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-link {
  color: var(--color-link);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.card-link:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

.card-link:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--border-radius-sm);
}

/* Card Varianten */
.card-highlighted {
  border-color: var(--color-primary);
  border-width: var(--border-width-thick);
}

.card-flat {
  box-shadow: none;
  border: var(--border-width) solid var(--color-border);
}

.card-flat:hover {
  box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Badges & Tags
   ========================================================================== */

.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-bg-alt);
  color: var(--color-text-muted);
}

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

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

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

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

/* Tags (für Blog-Posts) */
.tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  margin-right: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  background-color: var(--color-bg-light);
  color: var(--color-text-light);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.tag:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.tag:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ==========================================================================
   Alerts / Callouts
   ========================================================================== */

.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  border: var(--border-width) solid transparent;
  border-radius: var(--border-radius-md);
  border-left-width: 4px;
}

.alert-info {
  background-color: #E7F3FF;
  border-color: var(--color-info);
  color: #004085;
}

.alert-success {
  background-color: #D4EDDA;
  border-color: var(--color-success);
  color: #155724;
}

.alert-warning {
  background-color: #FFF3CD;
  border-color: var(--color-warning);
  color: #856404;
}

.alert-error {
  background-color: #F8D7DA;
  border-color: var(--color-error);
  color: #721C24;
}

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

/* ==========================================================================
   Forms (Vorbereitung für spätere Features)
   ========================================================================== */

.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-text);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(253, 185, 19, 0.1);
}

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

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

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

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

.form-input.is-invalid:focus,
.form-textarea.is-invalid:focus,
.form-select.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

/* ==========================================================================
   Lists
   ========================================================================== */

.list-unstyled {
  list-style: none;
  padding: 0;
  margin: 0;
}

.list-inline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

/* ==========================================================================
   Meta Information (für Blog-Posts)
   ========================================================================== */

.meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* ==========================================================================
   Divider
   ========================================================================== */

.divider {
  border: 0;
  border-top: var(--border-width) solid var(--color-border-light);
  margin: var(--spacing-xl) 0;
}

.divider-primary {
  border-top-color: var(--color-primary);
  border-top-width: var(--border-width-thick);
}

/* ==========================================================================
   Loading Spinner (optional)
   ========================================================================== */

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

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

/* ==========================================================================
   Forms & Inputs
   ========================================================================== */

/* Form Group Container */
.form-group {
  margin-bottom: var(--spacing-lg);
}

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

/* Labels */
.form-label {
  display: block;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
  font-size: var(--font-size-base);
}

.required {
  color: var(--color-error);
  font-weight: var(--font-weight-bold);
}

.optional {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
}

/* Input Fields */
.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.1);
}

.form-input:hover:not(:focus),
.form-textarea:hover:not(:focus) {
  border-color: var(--color-border-dark);
}

/* Invalid State */
.form-input.invalid,
.form-textarea.invalid {
  border-color: var(--color-error);
  background-color: rgba(220, 53, 69, 0.05);
}

.form-input.invalid:focus,
.form-textarea.invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

/* Valid State (optional, subtle) */
.form-input.valid,
.form-textarea.valid {
  border-color: var(--color-success);
}

/* Textarea */
.form-textarea {
  resize: vertical;
  min-height: 150px;
}

/* Form Help Text */
.form-help {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Character Counter */
.char-counter {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Error Messages */
.form-error {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-error);
  min-height: 0;
}

.form-error:empty {
  display: none;
}

/* Checkbox */
.checkbox-wrapper {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.form-checkbox {
  width: 20px;
  height: 20px;
  min-width: 20px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.form-checkbox:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.checkbox-label {
  cursor: pointer;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
}

.checkbox-label a {
  color: var(--color-primary);
  text-decoration: underline;
}

.checkbox-label a:hover {
  color: var(--color-primary-dark);
}

/* Radio Buttons */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.radio-wrapper {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.form-radio {
  width: 20px;
  height: 20px;
  min-width: 20px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.form-radio:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.radio-label {
  cursor: pointer;
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
}

.form-help-text {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-style: italic;
}

/* Form Actions */
.form-actions {
  margin-top: var(--spacing-xl);
  display: flex;
  gap: var(--spacing-md);
}

/* Button States */
.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
  min-height: 50px;
}

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

.btn-loading {
  display: none;
}

.btn.is-loading .btn-text {
  display: none;
}

.btn.is-loading .btn-loading {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Alert Boxes */
.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  border-left: 4px solid;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.alert-success {
  background-color: rgba(40, 167, 69, 0.1);
  border-color: var(--color-success);
  color: var(--color-success);
}

.alert-error {
  background-color: rgba(220, 53, 69, 0.1);
  border-color: var(--color-error);
  color: var(--color-error);
}

.alert h3 {
  margin: 0 0 var(--spacing-xs) 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.alert p {
  margin: 0;
  color: var(--color-text);
}

.alert a {
  color: inherit;
  text-decoration: underline;
  font-weight: var(--font-weight-medium);
}

.alert a:hover {
  text-decoration: none;
}

/* Contact Form Specific Styles */
.contact-intro {
  margin-bottom: var(--spacing-xl);
}

.contact-intro h2 {
  margin-bottom: var(--spacing-md);
}

.contact-intro p {
  margin-bottom: var(--spacing-md);
}

.contact-intro p:last-child {
  margin-bottom: 0;
}

.contact-alternative {
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-lg);
  border: var(--border-width) solid var(--color-border-light);
}

.contact-alternative h3 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.contact-alternative p {
  margin-bottom: var(--spacing-sm);
}

.contact-alternative p:last-child {
  margin-bottom: 0;
}

.email-link {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  text-decoration: none;
}

.email-link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Responsive Form Styles */
@media (max-width: 768px) {
  .form-input,
  .form-textarea {
    font-size: var(--font-size-base);
  }
  
  .btn-large {
    width: 100%;
    padding: var(--spacing-md);
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .contact-alternative {
    padding: var(--spacing-lg);
  }
}