@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap");

* {
  box-sizing: border-box;
}

html,
body {
  font-family: var(--cas-font-family);
  font-size: var(--cas-font-size);
  line-height: var(--cas-line-height);
  color: var(--cas-text-default);
  background: var(--cas-bg-surface);
  margin: 0;
  padding: 0;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Loading spinner */
.cas-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  gap: var(--cas-space-4);
}

.cas-loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--cas-color-gray-300);
  border-top-color: var(--cas-brand-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Navigation */
.cas-navbar {
  background: var(--cas-navbar-bg);
  color: var(--cas-navbar-title);
  box-shadow: var(--cas-elevation-1);
  padding: var(--cas-space-4) var(--cas-space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cas-navbar-brand {
  font-size: 20px;
  font-weight: var(--cas-font-weight-semibold);
  text-decoration: none;
  color: var(--cas-navbar-title);
}

.cas-navbar-user {
  display: flex;
  align-items: center;
  gap: var(--cas-space-3);
  font-size: 14px;
}

/* Sidebar */
.cas-layout {
  display: flex;
  flex: 1;
}

.cas-sidebar {
  width: 240px;
  background: var(--cas-bg-panel);
  padding: var(--cas-space-4);
  border-right: var(--cas-border-width) solid var(--cas-border-color);
}

.cas-nav-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.cas-nav-item {
  margin-bottom: var(--cas-space-2);
}

.cas-nav-link {
  display: block;
  padding: var(--cas-space-2) var(--cas-space-3);
  color: var(--cas-text-default);
  text-decoration: none;
  border-radius: var(--cas-radius-sm);
  transition: background 0.2s;
}

.cas-nav-link:hover {
  background: var(--cas-color-white);
}

.cas-nav-link.active {
  background: var(--cas-brand-accent);
  color: var(--cas-button-primary-text);
  font-weight: var(--cas-font-weight-medium);
}

/* Main content */
.cas-main {
  flex: 1;
  padding: var(--cas-space-6);
  max-width: 1400px;
}

/* Typography */
h1 {
  font-size: 32px;
  font-weight: var(--cas-font-weight-semibold);
  margin: 0 0 var(--cas-space-6) 0;
}

h2 {
  font-size: 24px;
  font-weight: var(--cas-font-weight-semibold);
  margin: var(--cas-space-6) 0 var(--cas-space-4) 0;
}

h3 {
  font-size: 18px;
  font-weight: var(--cas-font-weight-medium);
  margin: var(--cas-space-4) 0 var(--cas-space-3) 0;
}

/* Buttons */
.cas-btn {
  display: inline-block;
  padding: var(--cas-space-2) var(--cas-space-4);
  border: var(--cas-border-width) solid transparent;
  border-radius: var(--cas-radius-md);
  font-size: 14px;
  font-weight: var(--cas-font-weight-medium);
  font-family: var(--cas-font-family);
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s;
}

.cas-btn:hover:not(:disabled) {
  opacity: 0.9;
}

.cas-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.cas-btn-primary {
  background: var(--cas-button-primary-bg);
  color: var(--cas-button-primary-text);
}

.cas-btn-secondary {
  background: var(--cas-button-secondary-bg);
  color: var(--cas-button-secondary-text);
}

.cas-btn-danger {
  background: var(--cas-button-danger-bg);
  color: var(--cas-button-danger-text);
}

.cas-btn-small {
  padding: var(--cas-space-1) var(--cas-space-2);
  font-size: 12px;
}

/* Forms */
.cas-form-group {
  margin-bottom: var(--cas-space-4);
}

.cas-form-label {
  display: block;
  margin-bottom: var(--cas-space-1);
  font-weight: var(--cas-font-weight-medium);
  font-size: 14px;
}

.cas-form-input,
.cas-form-textarea,
.cas-form-select {
  width: 100%;
  padding: var(--cas-space-2) var(--cas-space-3);
  border: var(--cas-border-width) solid var(--cas-border-color);
  border-radius: var(--cas-radius-sm);
  font-family: var(--cas-font-family);
  font-size: 14px;
}

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

.cas-form-input:focus,
.cas-form-textarea:focus,
.cas-form-select:focus {
  outline: 2px solid var(--cas-brand-accent);
  outline-offset: 2px;
}

.cas-form-error {
  color: var(--cas-button-danger-bg);
  font-size: 12px;
  margin-top: var(--cas-space-1);
}

/* Cards */
.cas-card {
  background: var(--cas-color-white);
  border: var(--cas-border-width) solid var(--cas-border-color);
  border-radius: var(--cas-radius-md);
  padding: var(--cas-space-4);
  margin-bottom: var(--cas-space-4);
  box-shadow: var(--cas-elevation-1);
}

.cas-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--cas-space-3);
}

.cas-card-title {
  font-size: 18px;
  font-weight: var(--cas-font-weight-semibold);
  margin: 0;
}

.cas-card-actions {
  display: flex;
  gap: var(--cas-space-2);
}

/* Tables */
.cas-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--cas-color-white);
  border-radius: var(--cas-radius-md);
  overflow: hidden;
  box-shadow: var(--cas-elevation-1);
}

.cas-table th {
  background: var(--cas-bg-panel);
  padding: var(--cas-space-3);
  text-align: left;
  font-weight: var(--cas-font-weight-semibold);
  font-size: 14px;
}

.cas-table td {
  padding: var(--cas-space-3);
  border-top: var(--cas-border-width) solid var(--cas-border-color);
}

.cas-table-actions {
  display: flex;
  gap: var(--cas-space-2);
}

/* Badges */
.cas-badge {
  display: inline-block;
  padding: 2px var(--cas-space-2);
  border-radius: var(--cas-radius-sm);
  font-size: 12px;
  font-weight: var(--cas-font-weight-medium);
}

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

.cas-badge-success {
  background: #4caf50;
  color: var(--cas-text-inverse);
}

.cas-badge-warning {
  background: #ff9800;
  color: var(--cas-text-inverse);
}

.cas-badge-danger {
  background: var(--cas-button-danger-bg);
  color: var(--cas-text-inverse);
}

/* Image preview */
.cas-image-preview {
  max-width: 100%;
  max-height: 300px;
  border-radius: var(--cas-radius-md);
  margin-top: var(--cas-space-2);
}

.cas-image-upload-zone {
  border: 2px dashed var(--cas-border-color);
  border-radius: var(--cas-radius-md);
  padding: var(--cas-space-6);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s;
}

.cas-image-upload-zone:hover {
  border-color: var(--cas-brand-accent);
}

/* Utility */
.cas-text-muted {
  color: var(--cas-text-muted);
}

.cas-text-error {
  color: var(--cas-button-danger-bg);
}

.cas-mt-2 {
  margin-top: var(--cas-space-2);
}
.cas-mt-4 {
  margin-top: var(--cas-space-4);
}
.cas-mb-2 {
  margin-bottom: var(--cas-space-2);
}
.cas-mb-4 {
  margin-bottom: var(--cas-space-4);
}

.cas-flex {
  display: flex;
}

.cas-flex-gap-2 {
  gap: var(--cas-space-2);
}

.cas-flex-justify-between {
  justify-content: space-between;
}

.cas-flex-align-center {
  align-items: center;
}

/* Error UI */
#blazor-error-ui {
  background: var(--cas-button-danger-bg);
  color: var(--cas-text-inverse);
  bottom: 0;
  box-shadow: 0 -1px 4px rgba(0, 0, 0, 0.3);
  display: none;
  left: 0;
  padding: var(--cas-space-2) var(--cas-space-4);
  position: fixed;
  width: 100%;
  z-index: 1000;
}

#blazor-error-ui .dismiss {
  cursor: pointer;
  position: absolute;
  right: var(--cas-space-4);
  top: 50%;
  transform: translateY(-50%);
}

blazor-error-ui a.reload {
  color: var(--cas-text-inverse);
  text-decoration: underline;
}

/* Modal */
.cas-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.2s ease-in-out;
}

.cas-modal {
  background: var(--cas-bg-surface);
  padding: var(--cas-space-6);
  border-radius: var(--cas-radius);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  max-width: 500px;
  width: 90%;
  animation: slideUp 0.3s ease-out;
}

.cas-modal h3 {
  margin-top: 0;
  margin-bottom: var(--cas-space-4);
  color: var(--cas-text-heading);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Alerts */
.cas-alert {
  padding: var(--cas-space-3) var(--cas-space-4);
  border-radius: var(--cas-radius);
  margin-bottom: var(--cas-space-4);
}

.cas-alert-error,
.cas-alert-danger {
  background: #fee;
  color: #c00;
  border: 1px solid #fcc;
}

.cas-alert-success {
  background: #efe;
  color: #060;
  border: 1px solid #cfc;
}

/* Required field indicator */
.cas-form-label::after {
  content: "";
}

.cas-form-label:has(+ input[required])::after,
.cas-form-label:has(+ select[required])::after {
  content: " *";
  color: var(--cas-button-danger-bg);
}

/* Form validation */
.validation-errors {
  background: #fee;
  color: #c00;
  border: 1px solid #fcc;
  padding: var(--cas-space-3);
  border-radius: var(--cas-radius);
  margin-bottom: var(--cas-space-4);
}

.validation-errors ul {
  margin: 0;
  padding-left: var(--cas-space-4);
}

.validation-message {
  color: var(--cas-button-danger-bg);
  font-size: 12px;
  margin-top: var(--cas-space-1);
  display: block;
}
/* Image Picker Dialog */
.image-picker-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--cas-space-4);
}

.image-picker-dialog {
  background: var(--cas-bg-surface);
  border-radius: var(--cas-radius);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.image-picker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--cas-space-4);
  border-bottom: 1px solid var(--cas-border-default);
}

.image-picker-header h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
}

.cas-btn-close {
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  color: var(--cas-text-muted);
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--cas-radius);
  transition: all 0.2s;
}

.cas-btn-close:hover {
  background: var(--cas-color-gray-200);
  color: var(--cas-text-default);
}

.image-picker-body {
  padding: var(--cas-space-4);
  overflow-y: auto;
  flex: 1;
}

.image-picker-results {
  max-height: 400px;
  overflow-y: auto;
}

.image-picker-footer {
  padding: var(--cas-space-4);
  border-top: 1px solid var(--cas-border-default);
  display: flex;
  justify-content: flex-end;
  gap: var(--cas-space-2);
}