/* Design System Variables */
:root {
  --color-primary: #1467BA;
  --color-primary-hover: #0F4D8C;
  --color-primary-light: #dbeafe;
  --color-secondary: #64748b;
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  --color-background: #f8fafc;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-text: #1e293b;
  --color-text-secondary: #64748b;
  --color-text-muted: #94a3b8;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --radius-sm: 4px;
  --radius-md: 4px;
  --radius-lg: 4px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
}

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: var(--color-background);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Dashboard Header */
.dashboard-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.dashboard-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  gap: var(--spacing-md);
}

.dashboard-header-left {
  flex: 1;
}

.dashboard-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
  flex-shrink: 0;
}

.dashboard-header-right {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-md);
  position: relative;
}

.user-email {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* User Menu Button & Dropdown */
.user-menu-button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s ease;
  position: relative;
  padding: 0;
  flex-shrink: 0;
}

.user-menu-button:hover {
  background: var(--color-primary-hover);
  transform: scale(1.05);
}

.user-menu-button:active {
  transform: scale(0.95);
}

.user-menu-button[aria-expanded="true"] {
  background: var(--color-primary-hover);
}

.user-initials {
  font-size: 1rem;
  line-height: 1;
  user-select: none;
}

.user-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 240px;
  padding: var(--spacing-sm) 0;
  display: none;
  flex-direction: column;
  z-index: 200;
  animation: slideDown 0.2s ease;
}

.user-menu-dropdown.show {
  display: flex;
}

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

.user-menu-email {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-xs);
  word-break: break-all;
}

.user-menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: background 0.2s ease;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
}

.user-menu-item:hover {
  background: var(--color-background);
  text-decoration: none;
}

.user-menu-item.active {
  background: var(--color-background);
  color: var(--color-primary);
  font-weight: 600;
}

.user-menu-item.active .material-icons {
  color: var(--color-primary);
}

.user-menu-item .material-icons {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
}

.user-menu-secondary {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  padding: var(--spacing-xs) var(--spacing-md);
}

.user-menu-secondary:hover {
  color: var(--color-text);
}

.user-menu-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--spacing-xs) 0;
}

.user-menu-signout {
  color: var(--color-error);
  font-weight: 500;
  margin-top: var(--spacing-xs);
}

.user-menu-item.user-menu-signout:hover {
  background: #fee2e2 !important;
  color: #b91c1c;
}

.user-menu-signout .material-icons {
  color: var(--color-error);
}

/* Dropdown positioning in editor header */
.header-actions {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  position: relative;
}

.header-actions .user-menu-button {
  margin-left: var(--spacing-sm);
}

@media (max-width: 768px) {
  .dashboard-header {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .dashboard-header-content {
    gap: var(--spacing-xs);
  }

  .dashboard-title {
    font-size: 1rem;
  }

  .dashboard-header-right {
    gap: var(--spacing-xs);
  }

  .user-menu-dropdown {
    right: -10px;
    min-width: 200px;
  }

  .user-menu-button {
    width: 36px;
    height: 36px;
    font-size: 0.875rem;
  }
}

/* Container */
.container {
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

@media (max-width: 768px) {
  .container {
    padding: var(--spacing-md);
  }
}

/* Typography */
h1 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 var(--spacing-lg) 0;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 var(--spacing-md) 0;
  color: var(--color-text);
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--color-text);
}

/* Sections */
section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease;
}

section:hover {
  box-shadow: var(--shadow-md);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.section-header h2 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.section-header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.refresh-button {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
}

.refresh-button .material-icons {
  font-size: 18px;
}

.sync-status {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.sync-status.error {
  color: var(--color-error);
  font-weight: 600;
}

.hidden {
  display: none !important;
}

/* Forms */
form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

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

/* Input Fields */
input,
select,
textarea {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
  transition: all 0.2s ease;
  width: 100%;
}

input:focus,
select:focus,
textarea:focus,
button:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-border: #000000;
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

input:disabled,
select:disabled,
textarea:disabled {
  background: var(--color-background);
  cursor: not-allowed;
  opacity: 0.6;
}

input[type="file"] {
  padding: 8px;
  cursor: pointer;
}

input[type="file"]::file-selector-button {
  padding: 8px 16px;
  margin-right: 12px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 500;
  transition: background 0.2s ease;
}

input[type="file"]::file-selector-button:hover {
  background: var(--color-primary-hover);
}

/* Buttons */
button {
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--color-primary);
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

button:hover:not(:disabled) {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

button:active:not(:disabled) {
  transform: translateY(0);
}

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

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

button.secondary:hover:not(:disabled) {
  background: #475569;
}

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

button.danger:hover:not(:disabled) {
  background: #dc2626;
}

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

button.success:hover:not(:disabled) {
  background: #059669;
}

button.icon-only {
  padding: 8px;
  min-width: 36px;
}

/* Row Layout */
.row {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: flex-start;
}

.row > * {
  flex: 1;
  min-width: 120px;
}

/* Fieldset */
fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin: 0;
}

legend {
  font-weight: 500;
  padding: 0 var(--spacing-sm);
  color: var(--color-text);
}

/* Artworks Grid */
#artworks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

/* Empty state message */
.artworks-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-secondary);
}

@media (max-width: 768px) {
  #artworks {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  #artworks {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .artwork-card-content {
    padding: var(--spacing-sm);
  }
  
  .artwork-card-title {
    font-size: 0.9rem;
  }
}

/* Artwork Card */
.artwork-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  cursor: pointer;
}

.artwork-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.artwork-card.skeleton {
  border-style: dashed;
  cursor: default;
  animation: skeletonPulse 1.4s ease-in-out infinite;
}

.artwork-card.skeleton .artwork-thumbnail,
.artwork-card.skeleton .artwork-card-content {
  background: linear-gradient(
    90deg,
    rgba(226, 232, 240, 0.4) 0%,
    rgba(203, 213, 225, 0.6) 50%,
    rgba(226, 232, 240, 0.4) 100%
  );
  background-size: 200% 100%;
}

.artwork-card.skeleton .skeleton-line {
  width: 100%;
  height: 12px;
  border-radius: var(--radius-sm);
  background: rgba(148, 163, 184, 0.3);
  margin: 8px 0;
}

.artwork-card.skeleton .skeleton-line:first-child {
  width: 70%;
}

.artwork-card.skeleton .skeleton-line:last-child {
  width: 40%;
}

@keyframes skeletonPulse {
  0% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0.7;
  }
}

/* Thumbnail */
.artwork-thumbnail {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-background);
  overflow: hidden;
  position: relative;
}

.artwork-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.artwork-card:hover .artwork-thumbnail img {
  transform: scale(1.05);
}

.artwork-thumbnail-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-background);
  color: var(--color-text-muted);
}

.artwork-thumbnail-fallback .material-icons {
  font-size: 3rem;
  opacity: 0.5;
}

/* Card Content */
.artwork-card-content {
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.artwork-card-title {
  font-weight: 600;
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Card Actions */
.artwork-card-actions {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: flex-end;
}

.artwork-card-actions button {
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .artwork-card-actions button {
    padding: 6px;
    min-width: 32px;
    height: 32px;
  }

  .artwork-card-actions button .material-icons {
    font-size: 18px;
  }
}

.small {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

/* Status Messages */
#auth-status,
#upload-result {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  display: none; /* Hidden by default */
}

#auth-status:not(:empty),
#upload-result:not(:empty) {
  display: block; /* Show when has content */
}

#auth-status.error,
#upload-result.error {
  background: #fef2f2;
  color: var(--color-error);
  border: 1px solid #fecaca;
}

#auth-status.success,
#upload-result.success {
  background: #f0fdf4;
  color: var(--color-success);
  border: 1px solid #bbf7d0;
}

#auth-status.info,
#upload-result.info {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.flex {
  display: flex;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

/* Icons */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  display: inline-block;
  vertical-align: middle;
}

.icon-sm {
  width: 1rem;
  height: 1rem;
}

/* Material Icons */
.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 1.25rem;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  vertical-align: middle;
  /* Support for all WebKit browsers. */
  -webkit-font-smoothing: antialiased;
  /* Support for Safari and Chrome. */
  text-rendering: optimizeLegibility;
  /* Support for Firefox. */
  -moz-osx-font-smoothing: grayscale;
  /* Support for IE. */
  font-feature-settings: 'liga';
}

button .material-icons,
.button .material-icons {
  font-size: 1.125rem;
  margin-right: 0;
}

button.icon-only .material-icons,
.button.icon-only .material-icons {
  font-size: 1.25rem;
}

h2 .material-icons {
  font-size: 1.5rem;
  vertical-align: middle;
  margin-right: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  section {
    padding: var(--spacing-md);
  }

  .row {
    flex-direction: column;
  }

  .row > * {
    width: 100%;
  }

  /* Full width buttons only for form submit buttons */
  form button[type="submit"],
  form button:not(.icon-only):not([class*="canvas-"]) {
    width: 100%;
  }

  /* Icon-only buttons stay compact */
  button.icon-only {
    width: auto;
    padding: 8px;
    min-width: 36px;
  }

  button.icon-only .material-icons {
    font-size: 20px;
  }
}

/* Preview Containers */
.preview-container {
  margin-top: var(--spacing-sm);
  padding: var(--spacing-md);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-background);
  text-align: center;
}

.preview-container img,
.preview-container video {
  max-width: 100%;
  max-height: 300px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}

.preview-container video {
  width: 100%;
  height: auto;
}

.preview-info {
  margin-top: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Loading Spinner */
.spinner {
  border: 3px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  width: 24px;
  height: 24px;
  animation: spin 1s linear infinite;
  display: inline-block;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-top: var(--spacing-sm);
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-primary);
  transition: width 0.3s ease;
  border-radius: var(--radius-sm);
}

/* Toast Notifications */
.toast {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  max-width: 400px;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  animation: slideIn 0.3s ease;
  position: relative;
}

.toast .material-icons {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.toast.success {
  background: var(--color-surface);
  border-left: 4px solid var(--color-success);
  color: var(--color-text);
}

.toast.error {
  background: var(--color-surface);
  border-left: 4px solid var(--color-error);
  color: var(--color-text);
}

.toast.info {
  background: var(--color-surface);
  border-left: 4px solid var(--color-primary);
  color: var(--color-text);
}

.toast.warning {
  background: var(--color-surface);
  border-left: 4px solid var(--color-warning);
  color: var(--color-text);
}

.toast-content {
  flex: 1;
}

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

.toast-message {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.toast-close {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.toast-close .material-icons {
  font-size: 1.125rem;
}

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

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ============================================
   Editor Styles (3D-ready)
   ============================================ */

.editor-body {
  margin: 0;
  padding: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--color-background);
}

.editor-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  background: var(--color-background);
}

/* Editor Header */
.editor-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  z-index: 100;
}

.editor-header-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  max-width: 100%;
}

.editor-title {
  flex: 1;
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
}

/* Editor Main Content */
.editor-main {
  display: flex;
  flex: 1;
  overflow: hidden;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

/* Editor Canvas Area */
.editor-canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.canvas-wrapper {
  flex: 1;
  overflow: auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
}

.zoom-container {
  transform-origin: center center;
  transition: transform 0.1s ease-out;
  display: inline-block;
}

/* Zoom Controls */
.zoom-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  margin: calc(-1 * var(--spacing-lg)) calc(-1 * var(--spacing-lg)) var(--spacing-md);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  z-index: 10;
}

.zoom-btn {
  padding: 6px 10px;
  min-width: 32px;
  height: 32px;
  font-size: 0.875rem;
}

.zoom-level {
  min-width: 60px;
  text-align: center;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 0 var(--spacing-xs);
}

.editor-viewport {
  position: relative;
  perspective: 1000px; /* 3D-ready */
  display: inline-block;
  max-width: 100%;
  max-height: 100%;
}

.tracking-image {
  display: block;
  max-width: 100%;
  max-height: 80vh;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.overlay-container {
  position: absolute;
  transform-style: preserve-3d; /* 3D-ready */
  transform-origin: center center;
  pointer-events: auto; /* Enable interaction for moveable */
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border: 0;
}

.overlay-image,
.overlay-video {
  display: block;
  max-width: none;
  pointer-events: auto; /* Enable interaction */
  user-select: none;
  object-fit: contain;
  margin: 0;
  padding: 0;
  border: 0;
  box-sizing: border-box;
}

.overlay-video {
  object-fit: contain;
}

/* Loading Indicator */
.loading-indicator {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: var(--color-text-secondary);
  z-index: 10;
}

.loading-indicator .spinner {
  margin: 0 auto var(--spacing-sm);
}

/* Editor Sidebar */
.editor-sidebar {
  width: 320px;
  min-width: 280px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  overflow-y: auto;
  box-shadow: var(--shadow-sm);
}

.editor-sidebar h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
  color: var(--color-text);
}

.transform-fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  margin-top: 0;
}

.transform-fieldset legend {
  font-weight: 500;
  padding: 0 var(--spacing-sm);
  color: var(--color-text);
}

.editor-status {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
}

.editor-status.info {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.editor-status.success {
  background: #f0fdf4;
  color: var(--color-success);
  border: 1px solid #bbf7d0;
}

.editor-status.error {
  background: #fef2f2;
  color: var(--color-error);
  border: 1px solid #fecaca;
}

/* Responsive Design for Editor */
@media (max-width: 1024px) {
  .editor-main {
    flex-direction: column;
  }

  .editor-sidebar {
    width: 100%;
    max-height: 40vh;
  }

  .editor-canvas-area {
    min-height: 50vh;
  }
}

@media (max-width: 768px) {
  .editor-header-content {
    padding: var(--spacing-sm);
  }

  .editor-title {
    font-size: 1rem;
  }

  .editor-main {
    padding: var(--spacing-sm);
  }

  .editor-sidebar {
    max-height: 30vh;
  }
}

/* ============================================
   Admin Panel Styles
   ============================================ */

/* Admin Tabs */
.admin-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
}

.admin-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--color-text-secondary);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.admin-tab:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.admin-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.admin-tab .material-icons {
  font-size: 20px;
}

.admin-tab .badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background: #ef4444;
  color: white;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
}

.admin-tab .badge.hidden {
  display: none;
}

/* Admin Tab Content */
.admin-tab-content {
  display: block;
}

.admin-tab-content.hidden {
  display: none;
}

/* Admin specific overrides */
#admin-artworks {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

@media (max-width: 768px) {
  .admin-tabs {
    flex-direction: column;
  }
  
  .admin-tab {
    border-bottom: none;
    border-left: 3px solid transparent;
    justify-content: flex-start;
  }
  
  .admin-tab.active {
    border-left-color: var(--color-primary);
    border-bottom-color: transparent;
  }
  
  #admin-artworks {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Modal Styles
   ============================================ */

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.modal-content {
  background-color: var(--color-surface);
  padding: var(--spacing-xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 90%;
  position: relative;
  animation: slideIn 0.3s ease;
  margin: var(--spacing-lg);
}

.modal-close {
  position: absolute;
  right: var(--spacing-md);
  top: var(--spacing-md);
  font-size: 28px;
  font-weight: bold;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color 0.2s;
  /* Größerer Touch-Target für Mobile */
  padding: var(--spacing-sm);
  margin: calc(-1 * var(--spacing-sm));
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-tap-highlight-color: transparent;
}

.modal-close:hover,
.modal-close:focus {
  color: var(--color-text);
}

.modal-close:active {
  transform: scale(0.95);
}

.modal h2 {
  margin-top: 0;
  color: var(--color-text);
}

.modal p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

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

.modal button[type="submit"] {
  width: 100%;
  margin-top: var(--spacing-md);
}

/* Auth Container Styles (for reset-password.html) */
.auth-container {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-lg);
  background: var(--color-background);
}

.auth-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl);
  max-width: 450px;
  width: 100%;
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.auth-header h1 {
  color: var(--color-text);
  margin: 0 0 var(--spacing-sm) 0;
  font-size: 2rem;
}

.auth-header p {
  color: var(--color-text-secondary);
  margin: 0;
}

.loading-container {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.loading-container .spinner {
  display: inline-block;
  margin-bottom: var(--spacing-md);
}

.loading-container h1 {
  color: var(--color-text);
  margin-top: var(--spacing-md);
  margin-bottom: 0;
}

.error-state {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.error-icon {
  font-size: 64px;
  color: var(--color-error);
  margin-bottom: var(--spacing-md);
}

.error-state h1 {
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.error-state p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.success-state {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.success-icon {
  font-size: 64px;
  color: var(--color-success);
  margin-bottom: var(--spacing-md);
}

.success-state h1 {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.success-state p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.error-message {
  background-color: #fee;
  border: 1px solid var(--color-error);
  color: var(--color-error);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.success-message {
  background-color: #efe;
  border: 1px solid var(--color-success);
  color: var(--color-success);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.btn-block {
  width: 100%;
}

/* Reset Password Form Specific Styles */
#reset-form .form-group:last-of-type {
  margin-bottom: var(--spacing-lg);
}

#reset-form #form-error,
#reset-form #form-success {
  margin-top: 0;
  margin-bottom: var(--spacing-lg);
}

#reset-form #submit-btn {
  margin-top: var(--spacing-md);
}

.auth-footer {
  text-align: center;
  margin-top: var(--spacing-xl);
}

.auth-footer a {
  color: var(--color-primary);
  text-decoration: none;
}

.auth-footer a:hover {
  text-decoration: underline;
}

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

@keyframes slideIn {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Link-Button innerhalb von Erfolgsmeldungen (z.B. Zurück zur App) */
.btn-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary);
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
}

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

/* Mobile Optimierungen */
@media (max-width: 768px) {
  .modal {
    padding: 0;
    align-items: flex-start;
  }

  .modal-content {
    width: 100%;
    max-width: 100%;
    margin: 0;
    border-radius: 0;
    min-height: 100vh;
    padding: var(--spacing-lg);
    animation: slideInMobile 0.3s ease;
  }

  .modal h2 {
    font-size: 1.5rem;
    padding-right: var(--spacing-xl);
  }

  .modal p {
    font-size: 0.95rem;
  }

  .auth-container {
    padding: var(--spacing-md);
  }

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

  .auth-header h1 {
    font-size: 1.75rem;
  }
}

@keyframes slideInMobile {
  from {
    transform: translateY(100vh);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Footer für nicht-eingeloggte Seiten */
footer {
  margin-top: auto;
  padding: var(--spacing-lg) var(--spacing-md);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  text-align: center;
  width: 100%;
}

footer .footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

footer .footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

footer .footer-links a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

footer .footer-links a:visited {
  color: var(--color-text-secondary);
}

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