/**
 * Komponenten Styles – Remote-Gutachten
 * Wiederverwendbare UI-Komponenten (Buttons, Toasts, Modals, Cards, Forms)
 * Nutzt CSS Variables aus variables.css
 */

/* ========================================
   BUTTONS
   ======================================== */

.btn {
  /* Layout */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);

  /* Größe */
  padding: var(--spacing-sm) var(--spacing-lg);
  min-height: var(--touch-target-optimal);
  min-width: var(--touch-target-optimal);

  /* Typografie */
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  text-align: center;
  text-decoration: none;

  /* Farben - Primär */
  color: var(--color-text-primary);
  background-color: var(--color-primary);
  border: 2px solid var(--color-primary);

  /* Border */
  border-radius: var(--radius-md);

  /* Schatten */
  box-shadow: var(--shadow-sm);

  /* Cursor */
  cursor: pointer;

  /* Touch-Optimierung */
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;

  /* Transition */
  transition: all var(--transition-fast);
}

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

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

.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

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

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

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

.btn-danger:hover {
  background-color: var(--color-error-hover);
  border-color: var(--color-error-hover);
}

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

.btn-success:hover {
  background-color: var(--color-success-hover);
  border-color: var(--color-success-hover);
}

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

.btn-warning:hover {
  background-color: var(--color-warning-hover);
  border-color: var(--color-warning-hover);
}

/* Button Größen */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  min-height: var(--touch-target-min);
}

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

/* Button mit Icon */
.btn-icon {
  width: var(--touch-target-optimal);
  height: var(--touch-target-optimal);
  padding: 0;
  border-radius: 50%;
}

.btn-icon svg {
  width: 20px;
  height: 20px;
}

/* Button Loading State */
.btn-loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid var(--color-text-primary);
  border-radius: 50%;
  border-top-color: transparent;
  animation: btn-spin 0.6s linear infinite;
}

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

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


/* ========================================
   TOASTS (Benachrichtigungen)
   ======================================== */

.toast-container {
  /* Position */
  position: fixed;
  top: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);

  /* Layout */
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);

  /* Größe */
  width: calc(100% - var(--spacing-xl));
  max-width: 420px;

  /* Pointer Events */
  pointer-events: none;

  /* Safe Area für iOS */
  top: calc(var(--spacing-lg) + var(--safe-area-inset-top));
}

.toast {
  /* Layout */
  display: flex;
  align-items: center;
  gap: var(--spacing-md);

  /* Größe */
  padding: var(--spacing-md) var(--spacing-lg);
  min-height: 56px;

  /* Farben */
  background-color: var(--color-bg-secondary);
  border-left: 4px solid var(--color-primary);
  color: var(--color-text-primary);

  /* Border */
  border-radius: var(--radius-md);

  /* Schatten */
  box-shadow: var(--shadow-xl);

  /* Pointer Events wieder aktivieren */
  pointer-events: auto;

  /* Backdrop Blur */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  /* Transition */
  transition: all var(--transition-base);

  /* Animation */
  animation: toast-slide-in var(--transition-base) var(--easing-smooth);
}

@keyframes toast-slide-in {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.toast.toast-out {
  animation: toast-slide-out var(--transition-base) var(--easing-smooth);
}

@keyframes toast-slide-out {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-100%);
  }
}

/* Toast Varianten */
.toast-success {
  border-left-color: var(--color-success);
}

.toast-error {
  border-left-color: var(--color-error);
}

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

.toast-info {
  border-left-color: var(--color-primary);
}

.toast-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.toast-success .toast-icon {
  color: var(--color-success);
}

.toast-error .toast-icon {
  color: var(--color-error);
}

.toast-warning .toast-icon {
  color: var(--color-warning);
}

.toast-info .toast-icon {
  color: var(--color-primary);
}

.toast-message {
  flex: 1;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
}

.toast-close {
  width: 24px;
  height: 24px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.toast-close:hover {
  color: var(--color-text-primary);
}


/* ========================================
   MODALS
   ======================================== */

.modal {
  /* Position */
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal);

  /* Layout */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);

  /* Hintergrund */
  background-color: var(--color-overlay-dark);

  /* Backdrop Blur */
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);

  /* Transition */
  transition: opacity var(--transition-base);

  /* Animation */
  animation: modal-fade-in var(--transition-base) var(--easing-smooth);
}

@keyframes modal-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal.hidden {
  display: none;
}

.modal-content {
  /* Layout */
  display: flex;
  flex-direction: column;

  /* Größe */
  width: 100%;
  max-width: 500px;
  max-height: 90vh;

  /* Farben */
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);

  /* Border */
  border-radius: var(--radius-lg);

  /* Schatten */
  box-shadow: var(--shadow-xl);

  /* Overflow */
  overflow: hidden;

  /* Animation */
  animation: modal-scale-in var(--transition-base) var(--easing-smooth);
}

@keyframes modal-scale-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-header {
  /* Layout */
  display: flex;
  align-items: center;
  justify-content: space-between;

  /* Größe */
  padding: var(--spacing-lg);
  min-height: 64px;

  /* Border */
  border-bottom: 1px solid var(--color-border);
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin: 0;
}

.modal-close {
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

.modal-body {
  /* Layout */
  flex: 1;
  overflow-y: auto;

  /* Größe */
  padding: var(--spacing-lg);

  /* Scrollbar Styling (Webkit) */
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.modal-body::-webkit-scrollbar {
  width: 8px;
}

.modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.modal-body::-webkit-scrollbar-thumb {
  background-color: var(--color-border);
  border-radius: var(--radius-full);
}

.modal-footer {
  /* Layout */
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-md);

  /* Größe */
  padding: var(--spacing-lg);

  /* Border */
  border-top: 1px solid var(--color-border);
}


/* ========================================
   CARDS
   ======================================== */

.card {
  /* Farben */
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);

  /* Border */
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);

  /* Schatten */
  box-shadow: var(--shadow-sm);

  /* Overflow */
  overflow: hidden;

  /* Transition */
  transition: all var(--transition-fast);
}

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

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin: 0 0 var(--spacing-sm) 0;
}

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

.card-footer {
  /* Layout */
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-md);

  /* Größe */
  padding: var(--spacing-md) var(--spacing-lg);

  /* Border */
  border-top: 1px solid var(--color-border);

  /* Farben */
  background-color: var(--color-bg-primary);
}


/* ========================================
   FORMS
   ======================================== */

.form-group {
  /* Layout */
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);

  /* Spacing */
  margin-bottom: var(--spacing-lg);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

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

.form-input,
.form-textarea,
.form-select {
  /* Größe */
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  min-height: var(--touch-target-min);

  /* Typografie */
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);

  /* Farben */
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);

  /* Border */
  border-radius: var(--radius-md);

  /* Transition */
  transition: all var(--transition-fast);
}

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

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

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: var(--color-bg-secondary);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-tertiary);
}

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

/* Error State */
.form-group.has-error .form-input,
.form-group.has-error .form-textarea,
.form-group.has-error .form-select {
  border-color: var(--color-error);
}

.form-group.has-error .form-input:focus,
.form-group.has-error .form-textarea:focus,
.form-group.has-error .form-select:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.3);
}

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

/* Success State */
.form-group.has-success .form-input,
.form-group.has-success .form-textarea,
.form-group.has-success .form-select {
  border-color: var(--color-success);
}

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

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

/* Checkbox & Radio */
.form-checkbox,
.form-radio {
  /* Layout */
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;

  /* Touch Target */
  min-height: var(--touch-target-min);
}

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.form-checkbox label,
.form-radio label {
  cursor: pointer;
  user-select: none;
}


/* ========================================
   BADGE / TAG
   ======================================== */

.badge {
  /* Layout */
  display: inline-flex;
  align-items: center;
  justify-content: center;

  /* Größe */
  padding: var(--spacing-xs) var(--spacing-sm);
  min-height: 24px;

  /* Typografie */
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.5px;

  /* Farben */
  color: var(--color-text-primary);
  background-color: var(--color-bg-tertiary);

  /* Border */
  border-radius: var(--radius-full);
}

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

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

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

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


/* ========================================
   DIVIDER
   ======================================== */

.divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--spacing-lg) 0;
  border: none;
}

.divider-vertical {
  width: 1px;
  height: auto;
  background-color: var(--color-border);
  margin: 0 var(--spacing-lg);
}


/* ========================================
   SPINNER / LOADER
   ======================================== */

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 4px;
}


/* ========================================
   RESPONSIVE ANPASSUNGEN
   ======================================== */

@media (min-width: 768px) {
  .toast-container {
    width: auto;
  }

  .modal-content {
    max-width: 600px;
  }
}

@media (min-width: 1024px) {
  .modal-content {
    max-width: 800px;
  }
}