/* ===== CSS Custom Properties ===== */
:root {
  --color-primary: #1a73e8;
  --color-primary-dark: #1557b0;
  --color-primary-light: #4a90d9;
  --color-bg: #0a0a0a;
  --color-bg-panel: #1a1a2e;
  --color-bg-card: #16213e;
  --color-bg-overlay: rgba(0, 0, 0, 0.7);
  --color-text: #e0e0e0;
  --color-text-secondary: #a0a0a0;
  --color-text-muted: #666;
  --color-border: #2a2a4a;
  --color-success: #4caf50;
  --color-error: #f44336;
  --color-warning: #ff9800;
  --color-recording: #f44336;
  --color-vr-badge: #7c4dff;
  --color-upload-badge: #00bcd4;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --z-viewer: 1;
  --z-toolbar: 100;
  --z-panel: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  touch-action: manipulation;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  font-size: inherit;
  -webkit-tap-highlight-color: transparent;
}

/* ===== 全局滚动条美化 ===== */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

/* ===== App Layout ===== */
#app {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* ===== Viewer Container ===== */
#viewer-container {
  position: relative;
  flex: 1;
  width: 100%;
  min-height: 0;
  z-index: var(--z-viewer);
}

#viewer {
  width: 100%;
  height: 100%;
}

/* ===== Photo Gallery Container ===== */
#gallery-container {
  position: absolute;
  inset: 0;
  z-index: var(--z-viewer);
  display: none;
  background: var(--color-bg);
}

#gallery-container.active {
  display: flex;
}

/* ===== Toolbar (Right Edge Hover) ===== */
.toolbar {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%) translateX(calc(100% - 6px));
  z-index: calc(var(--z-toolbar) + 1);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  padding: 12px 10px 12px 14px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-right: none;
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0.4;
}

.toolbar:hover,
.toolbar.visible {
  transform: translateY(-50%) translateX(0);
  opacity: 1;
}

.toolbar-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.toolbar-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-overlay);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: background var(--transition-fast), transform var(--transition-fast);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.toolbar-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.toolbar-btn:active {
  transform: scale(0.95);
}

.toolbar-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary-light);
}

.toolbar-btn.hidden {
  display: none;
}

/* ===== Stage Selector ===== */
.stage-selector {
  position: absolute;
  top: 8px;
  left: 12px;
  z-index: var(--z-toolbar);
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  max-width: calc(100% - 240px);
}

.stage-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 20px;
  background: var(--color-bg-overlay);
  color: var(--color-text);
  font-size: 13px;
  white-space: nowrap;
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stage-tab:hover {
  background: rgba(255, 255, 255, 0.2);
}

.stage-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary-light);
}

.stage-tab .badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.2);
  font-size: 11px;
  font-weight: 600;
}

.stage-tab.active .badge {
  background: rgba(255, 255, 255, 0.3);
}

.stage-tab .source-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.stage-tab .source-indicator.vr_backup {
  background: var(--color-vr-badge);
}

.stage-tab .source-indicator.user_upload {
  background: var(--color-upload-badge);
}

/* ===== Scene List Panel ===== */
.scene-list-panel {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 220px;
  background: var(--color-bg-panel);
  z-index: var(--z-panel);
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--color-border);
  overflow: hidden;
}

.scene-list-panel.open {
  transform: translateX(0);
}

.scene-list-header {
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.scene-list-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px;
  -webkit-overflow-scrolling: touch;
}

.scene-list-scroll::-webkit-scrollbar {
  width: 4px;
}

.scene-list-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.scene-list-scroll::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 2px;
}

.scene-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  margin-bottom: 4px;
}

.scene-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.scene-item.active {
  background: rgba(26, 115, 232, 0.2);
  border: 1px solid rgba(26, 115, 232, 0.4);
}

.scene-item-thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-bg-card);
}

.scene-item-name {
  font-size: 13px;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Scene List Toggle Button ===== */
.scene-list-toggle {
  position: absolute;
  bottom: 20px;
  left: 12px;
  z-index: var(--z-toolbar);
}

.scene-list-panel.open~.scene-list-toggle {
  left: 232px;
}

/* ===== Photo Gallery ===== */
.photo-gallery {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
}

.gallery-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--color-bg-panel);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.gallery-title {
  font-size: 16px;
  font-weight: 600;
}

.gallery-close-btn {
  font-size: 24px;
  color: var(--color-text-secondary);
  padding: 4px;
}

.gallery-viewport {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
}

.gallery-image-wrapper {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.gallery-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  user-select: none;
  -webkit-user-drag: none;
  transition: transform 0.2s ease;
}

.gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-bg-overlay);
  color: white;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  z-index: 10;
}

.gallery-nav.prev {
  left: 12px;
}

.gallery-nav.next {
  right: 12px;
}

.gallery-footer {
  padding: 8px 16px;
  text-align: center;
  background: var(--color-bg-panel);
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.gallery-counter {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.gallery-timestamp {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ===== Photo Uploader ===== */
.upload-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(4px);
}

.upload-modal.open {
  display: flex;
}

.upload-dialog {
  width: 90%;
  max-width: 420px;
  max-height: 80vh;
  background: var(--color-bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.upload-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
}

.upload-dialog-title {
  font-size: 16px;
  font-weight: 600;
}

.upload-dialog-close {
  font-size: 22px;
  color: var(--color-text-secondary);
  padding: 4px;
}

.upload-dialog-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.upload-field label {
  display: block;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.upload-field select,
.upload-field input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.upload-field select:focus,
.upload-field input[type="text"]:focus {
  border-color: var(--color-primary);
}

.upload-file-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.upload-file-area:hover {
  border-color: var(--color-primary);
  background: rgba(26, 115, 232, 0.05);
}

.upload-file-area .icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.upload-file-area .text {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.upload-preview-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.upload-preview-item {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.upload-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.upload-preview-item .remove-btn {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.upload-progress {
  width: 100%;
  height: 4px;
  background: var(--color-bg-card);
  border-radius: 2px;
  overflow: hidden;
}

.upload-progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: 2px;
  transition: width var(--transition-fast);
}

.upload-submit-btn {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: white;
  font-size: 15px;
  font-weight: 600;
  transition: background var(--transition-fast);
}

.upload-submit-btn:hover {
  background: var(--color-primary-dark);
}

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

.upload-error {
  padding: 10px;
  border-radius: var(--radius-md);
  background: rgba(244, 67, 54, 0.1);
  border: 1px solid rgba(244, 67, 54, 0.3);
  color: var(--color-error);
  font-size: 13px;
  display: none;
}

.upload-error.visible {
  display: block;
}

.upload-retry-btn {
  margin-top: 8px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-error);
  color: white;
  font-size: 13px;
}

/* ===== Video Exporter ===== */
.recording-indicator {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-overlay);
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 20px;
  background: rgba(244, 67, 54, 0.9);
  color: white;
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(8px);
}

.recording-indicator.active {
  display: flex;
}

.recording-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: white;
  animation: recording-pulse 1s ease-in-out infinite;
}

@keyframes recording-pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

/* ===== Error Screen ===== */
.error-screen {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  text-align: center;
}

.error-screen.visible {
  display: flex;
}

.error-screen .error-icon {
  font-size: 48px;
}

.error-screen .error-title {
  font-size: 18px;
  font-weight: 600;
}

.error-screen .error-message {
  font-size: 14px;
  color: var(--color-text-secondary);
  max-width: 400px;
  line-height: 1.6;
}

.error-screen .error-retry-btn {
  padding: 10px 24px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: white;
  font-size: 14px;
}

/* ===== Loading Spinner ===== */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  flex-direction: column;
  gap: 16px;
}

.loading-screen.hidden {
  display: none;
}

.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;
}

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

.loading-text {
  font-size: 14px;
  color: var(--color-text-secondary);
}

/* ===== Toast Notification ===== */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  z-index: var(--z-toast);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  background: var(--color-bg-panel);
  color: var(--color-text);
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal);
  pointer-events: none;
}

.toast.visible {
  transform: translateX(-50%) translateY(0);
}

/* ===== Responsive: Mobile (<768px) ===== */
@media (max-width: 767px) {
  .stage-selector {
    max-width: calc(100% - 120px);
  }

  .stage-tab {
    padding: 6px 10px;
    font-size: 12px;
  }

  .toolbar-btn {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  /* Scene list as bottom drawer on narrow screens */
  .scene-list-panel {
    top: auto;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 45vh;
    max-height: 360px;
    transform: translateY(100%);
    border-right: none;
    border-top: 1px solid var(--color-border);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }

  .scene-list-panel.open {
    transform: translateY(0);
  }

  .scene-list-header {
    padding: 12px 16px;
    text-align: center;
    position: relative;
  }

  .scene-list-header::before {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 4px;
    border-radius: 2px;
    background: var(--color-border);
  }

  .scene-list-scroll {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 8px;
    padding: 8px 12px;
    align-content: start;
  }

  .scene-item {
    flex-direction: column;
    text-align: center;
    padding: 8px 4px;
    gap: 6px;
  }

  .scene-item-thumb {
    width: 100%;
    height: 64px;
  }

  .scene-list-toggle {
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
  }

  .scene-list-panel.open~.scene-list-toggle {
    left: 50%;
    bottom: calc(45vh + 12px);
  }

  .gallery-nav {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }

  .upload-dialog {
    width: 95%;
    max-height: 85vh;
  }
}

/* ===== Responsive: Small phones (<400px) ===== */
@media (max-width: 399px) {
  .stage-selector {
    max-width: calc(100% - 100px);
  }

  .stage-tab {
    padding: 5px 8px;
    font-size: 11px;
  }

  .stage-tab .badge {
    min-width: 16px;
    height: 16px;
    font-size: 10px;
  }

  .toolbar-btn {
    width: 32px;
    height: 32px;
    font-size: 14px;
  }
}

/* ===== Responsive: Tablet (768px-1024px) ===== */
@media (min-width: 768px) and (max-width: 1024px) {
  .scene-list-panel {
    width: 200px;
  }
}

/* ===== Responsive: Large screens (>1920px) ===== */
@media (min-width: 1921px) {
  .scene-list-panel {
    width: 280px;
  }

  .scene-item-thumb {
    width: 56px;
    height: 56px;
  }

  .scene-item-name {
    font-size: 14px;
  }

  .toolbar-btn {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }

  .stage-tab {
    padding: 10px 18px;
    font-size: 14px;
  }
}

/* ===== Responsive: Ultra-wide (>2560px) ===== */
@media (min-width: 2561px) {
  .scene-list-panel {
    width: 340px;
  }

  .scene-item-thumb {
    width: 64px;
    height: 64px;
  }

  .toolbar-btn {
    width: 56px;
    height: 56px;
    font-size: 24px;
  }
}

/* ===== PSV Overrides ===== */
.psv-container {
  width: 100% !important;
  height: 100% !important;
}

/* ===== Auth Overlay ===== */
.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
}

.auth-overlay.active {
  display: flex;
}

.auth-card {
  width: 90%;
  max-width: 400px;
  background: var(--color-bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 32px 24px;
  box-shadow: var(--shadow-lg);
}

.auth-title {
  font-size: 22px;
  font-weight: 600;
  text-align: center;
  margin-bottom: 24px;
  color: var(--color-text);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.auth-field label {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.auth-field input {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.auth-field input:focus {
  border-color: var(--color-primary);
}

.auth-field-error {
  font-size: 12px;
  color: var(--color-error);
  display: none;
  min-height: 16px;
}

.auth-error {
  font-size: 13px;
  color: var(--color-error);
  text-align: center;
  display: none;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: rgba(244, 67, 54, 0.1);
}

.auth-submit-btn {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: white;
  font-size: 15px;
  font-weight: 600;
  transition: background var(--transition-fast);
  border: none;
  cursor: pointer;
}

.auth-submit-btn:hover {
  background: var(--color-primary-dark);
}

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

.auth-switch {
  text-align: center;
  margin-top: 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

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

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

/* ===== App Navigation Bar (Floating Overlay) ===== */
.app-nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-toolbar);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  min-height: 40px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.app-nav.auto-hidden {
  opacity: 0;
  transform: translateY(-100%);
  pointer-events: none;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-btn {
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text);
  font-size: 13px;
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.nav-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.nav-icon-btn {
  width: 32px;
  height: 32px;
  font-size: 16px;
  flex-shrink: 0;
}

.nav-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.nav-user-area {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

.nav-user-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  transition: background var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-user-icon:hover {
  background: rgba(255, 255, 255, 0.25);
}

.nav-user-details {
  display: none;
  align-items: center;
  gap: 8px;
}

.nav-user-area.expanded .nav-user-details {
  display: flex;
}

.nav-username {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.nav-logout-btn {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: rgba(244, 67, 54, 0.2);
  color: var(--color-error);
  font-size: 12px;
  border: 1px solid rgba(244, 67, 54, 0.3);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.nav-logout-btn:hover {
  background: rgba(244, 67, 54, 0.4);
}

/* ===== Project Sidebar ===== */
.project-sidebar {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 260px;
  background: var(--color-bg-panel);
  border-right: 1px solid var(--color-border);
  z-index: var(--z-panel);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
}

.project-sidebar.open {
  transform: translateX(0);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.sidebar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.sidebar-btn {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: white;
  font-size: 12px;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

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

.sidebar-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.sidebar-admin {
  padding: 8px 16px;
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

.admin-btn {
  width: 100%;
  background: rgba(124, 77, 255, 0.2);
  color: var(--color-vr-badge);
  border: 1px solid rgba(124, 77, 255, 0.3);
}

.admin-btn:hover {
  background: rgba(124, 77, 255, 0.4);
}

/* ===== Project List Items ===== */
.project-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  margin-bottom: 4px;
}

.project-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.project-item.active {
  background: rgba(26, 115, 232, 0.2);
  border: 1px solid rgba(26, 115, 232, 0.4);
}

.project-item.editing {
  background: rgba(255, 255, 255, 0.05);
  padding: 8px;
}

.project-item-info {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.project-item-name {
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-item-tags {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.project-shared-tag,
.project-vis-tag {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 8px;
  white-space: nowrap;
}

.project-shared-tag {
  background: rgba(0, 188, 212, 0.2);
  color: var(--color-upload-badge);
}

.project-vis-tag {
  background: rgba(76, 175, 80, 0.2);
  color: var(--color-success);
}

.project-item-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.item-action-btn {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.item-action-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* ===== Inline Forms ===== */
.inline-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
}

.inline-input {
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text);
  font-size: 13px;
  outline: none;
}

.inline-input:focus {
  border-color: var(--color-primary);
}

.inline-select {
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text);
  font-size: 13px;
  outline: none;
}

.inline-form-actions {
  display: flex;
  gap: 6px;
}

.inline-btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.inline-btn.save {
  background: var(--color-primary);
  color: white;
}

.inline-btn.save:hover {
  background: var(--color-primary-dark);
}

.inline-btn.cancel {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.inline-btn.cancel:hover {
  background: rgba(255, 255, 255, 0.2);
}

.inline-form-error {
  font-size: 12px;
  color: var(--color-error);
  display: none;
}

.empty-hint {
  padding: 16px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13px;
}

/* ===== Stage/Spot Management Panel (Left Edge Hover) ===== */
.stage-spot-panel {
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%) translateX(-100%);
  width: 280px;
  max-height: 80vh;
  background: rgba(26, 26, 46, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: none;
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  z-index: var(--z-panel);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.3s ease, opacity 0.3s ease;
  opacity: 0;
}

.stage-spot-panel.open {
  transform: translateY(-50%) translateX(0);
  opacity: 1;
}

/* Left hover zone to trigger panel */
.left-hover-zone {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 16px;
  z-index: calc(var(--z-panel) - 1);
}

.panel-section {
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-bottom: 1px solid var(--color-border);
}

/* 阶段区域：占 55%，足够显示多个阶段 */
.panel-section:first-child {
  flex: 0 0 auto;
  max-height: 55%;
}

/* 点位区域：占剩余空间 */
.panel-section:last-child {
  flex: 1;
  border-bottom: none;
}

.panel-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.panel-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.panel-section-btn {
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: white;
  font-size: 11px;
  border: none;
  cursor: pointer;
}

.panel-section-btn:hover {
  background: var(--color-primary-dark);
}

.panel-section-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}

/* ===== Stage Management Items ===== */
.stage-mgmt-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  margin-bottom: 2px;
}

.stage-mgmt-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.stage-mgmt-item.active {
  background: rgba(26, 115, 232, 0.2);
}

.stage-mgmt-item.editing {
  padding: 6px;
}

.stage-mgmt-info {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.stage-mgmt-name {
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stage-mgmt-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

/* ===== Spot Management Items ===== */
.spot-mgmt-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  margin-bottom: 2px;
}

.spot-mgmt-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.spot-mgmt-item.editing {
  padding: 6px;
}

.spot-mgmt-info {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.spot-thumb {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-bg-card);
}

.spot-thumb-placeholder {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.spot-mgmt-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.spot-mgmt-name {
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.spot-mgmt-type {
  font-size: 11px;
  color: var(--color-text-muted);
}

.spot-mgmt-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

/* ===== Project Settings Panel ===== */
.project-settings-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  max-width: 90vw;
  background: var(--color-bg-panel);
  border-left: 1px solid var(--color-border);
  z-index: var(--z-modal);
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
}

.project-settings-panel.active {
  transform: translateX(0);
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
}

.settings-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.settings-close-btn {
  font-size: 22px;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.settings-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.settings-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.settings-section label {
  font-size: 13px;
  color: var(--color-text-secondary);
  font-weight: 600;
}

.visibility-toggle {
  display: flex;
  gap: 4px;
}

.vis-btn {
  flex: 1;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.vis-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.share-add-row {
  display: flex;
  gap: 6px;
  align-items: center;
}

.share-add-row .inline-input {
  flex: 1;
}

.share-error {
  font-size: 12px;
  color: var(--color-error);
  display: none;
}

.share-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 8px;
}

.share-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
}

.share-user {
  font-size: 13px;
  flex: 1;
}

.share-level {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-right: 8px;
}

.share-remove-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(244, 67, 54, 0.2);
  color: var(--color-error);
  border: none;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.share-empty {
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: center;
  padding: 12px;
}

/* ===== Capture Guide Overlay ===== */
.capture-guide-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(4px);
}

.capture-guide-overlay.active {
  display: flex;
}

.capture-card {
  width: 90%;
  max-width: 440px;
  max-height: 85vh;
  background: var(--color-bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.capture-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
}

.capture-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.capture-close-btn {
  font-size: 22px;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.capture-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.capture-name-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.capture-name-field label {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.capture-mode-tabs {
  display: flex;
  gap: 4px;
}

.capture-mode-tab {
  flex: 1;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.capture-mode-tab.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.capture-progress {
  font-size: 13px;
  color: var(--color-text-secondary);
  text-align: center;
}

.capture-directions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.capture-dir-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 8px;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.capture-dir-item.current {
  border-color: var(--color-primary);
  background: rgba(26, 115, 232, 0.1);
}

.capture-dir-item.captured {
  border-color: var(--color-success);
  background: rgba(76, 175, 80, 0.1);
}

.capture-dir-icon {
  font-size: 24px;
}

.capture-dir-label {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.gyro-indicator {
  text-align: center;
  padding: 8px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  font-size: 13px;
  color: var(--color-text-secondary);
}

.gyro-indicator.correct {
  background: rgba(76, 175, 80, 0.1);
  color: var(--color-success);
}

.gyro-fallback {
  text-align: center;
  font-size: 12px;
  color: var(--color-text-muted);
  padding: 8px;
}

.capture-btn {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  color: var(--color-text);
  font-size: 14px;
  border: 2px dashed var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.capture-btn:hover {
  border-color: var(--color-primary);
  background: rgba(26, 115, 232, 0.05);
}

.capture-complete-msg {
  text-align: center;
  font-size: 14px;
  color: var(--color-success);
  padding: 12px;
}

.capture-equirect-info {
  font-size: 13px;
  color: var(--color-text-secondary);
  text-align: center;
  padding: 8px;
}

.equirect-preview-img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  border-radius: var(--radius-md);
  margin-top: 8px;
}

.capture-error {
  font-size: 12px;
  color: var(--color-error);
  display: none;
  text-align: center;
}

/* ===== User Management Overlay ===== */
.user-mgmt-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(4px);
}

.user-mgmt-overlay.active {
  display: flex;
}

.user-mgmt-card {
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  background: var(--color-bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.user-mgmt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
}

.user-mgmt-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.user-mgmt-body {
  padding: 16px;
  overflow-y: auto;
  max-height: calc(80vh - 60px);
}

.user-mgmt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.user-mgmt-table th {
  text-align: left;
  padding: 8px 10px;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  font-size: 12px;
}

.user-mgmt-table td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.user-role-select {
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text);
  font-size: 12px;
  outline: none;
}

.user-status-btn {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  border: none;
  cursor: pointer;
}

.user-status-btn.active {
  background: rgba(76, 175, 80, 0.2);
  color: var(--color-success);
}

.user-status-btn.inactive {
  background: rgba(244, 67, 54, 0.2);
  color: var(--color-error);
}

/* ===== Responsive adjustments for new panels ===== */
@media (max-width: 767px) {
  .project-sidebar {
    width: 100%;
    position: absolute;
    top: 0;
    bottom: 0;
    border-right: none;
    border-bottom: none;
    transform: translateX(-100%);
    z-index: var(--z-panel);
  }

  .project-sidebar.open {
    transform: translateX(0);
  }

  .stage-spot-panel {
    width: 240px;
    max-height: 60vh;
  }

  .left-hover-zone {
    width: 24px;
  }

  .project-settings-panel {
    width: 100%;
    max-width: 100vw;
  }

  .user-mgmt-card {
    width: 95%;
    max-height: 85vh;
  }

  .capture-card {
    width: 95%;
    max-height: 90vh;
  }

  .user-mgmt-table {
    font-size: 11px;
  }

  .user-mgmt-table th,
  .user-mgmt-table td {
    padding: 6px 6px;
  }
}

/* ===== User Management Add/Delete Buttons ===== */
.user-mgmt-add-btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: white;
  font-size: 13px;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
  margin-bottom: 12px;
}

.user-mgmt-add-btn:hover {
  background: var(--color-primary-dark);
}

.user-delete-btn {
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: rgba(244, 67, 54, 0.2);
  color: var(--color-error);
  font-size: 12px;
  border: 1px solid rgba(244, 67, 54, 0.3);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.user-delete-btn:hover {
  background: rgba(244, 67, 54, 0.4);
}

.user-add-form {
  padding: 16px;
  margin-bottom: 12px;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.user-add-form label {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.user-add-form input,
.user-add-form select {
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-panel);
  color: var(--color-text);
  font-size: 13px;
  outline: none;
}

.user-add-form input:focus,
.user-add-form select:focus {
  border-color: var(--color-primary);
}

.user-add-form-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.user-add-form-error {
  font-size: 12px;
  color: var(--color-error);
  display: none;
}

/* ===== SortableJS Drag States ===== */
.sortable-ghost {
  opacity: 0.4;
  background: rgba(26, 115, 232, 0.15) !important;
}

.sortable-chosen {
  background: rgba(26, 115, 232, 0.1) !important;
}

/* ===== Share Viewer ===== */
.share-watermark {
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toolbar);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.25);
  pointer-events: none;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.share-nav-panel {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 260px;
  background: var(--color-bg-panel);
  border-right: 1px solid var(--color-border);
  z-index: var(--z-panel);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
}

.share-nav-panel.open {
  transform: translateX(0);
}

/* ===== Share Nav Panel Toggle Button ===== */
.share-nav-toggle {
  position: absolute;
  top: 8px;
  left: 12px;
  z-index: var(--z-toolbar);
}

.share-stage-list {
  flex-shrink: 0;
  max-height: 40%;
  overflow-y: auto;
  border-bottom: 1px solid var(--color-border);
  padding: 4px;
}

.share-spot-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px;
}

.share-section-title {
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.share-stage-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  margin-bottom: 2px;
}

.share-stage-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.share-stage-item.active {
  background: rgba(26, 115, 232, 0.2);
}

.share-stage-name {
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.share-stage-count {
  font-size: 11px;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.share-spot-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  margin-bottom: 2px;
}

.share-spot-item:hover {
  background: rgba(255, 255, 255, 0.05);
}

.share-spot-item.active {
  background: rgba(26, 115, 232, 0.2);
}

.share-spot-thumb {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-bg-card);
}

.share-spot-thumb-placeholder {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.share-spot-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.share-spot-name {
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.share-spot-type {
  font-size: 11px;
  color: var(--color-text-muted);
}

.share-empty-hint {
  padding: 16px;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 13px;
}

/* ===== Fullscreen Mode ===== */
.fullscreen-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 9999;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.fullscreen-close-btn:hover {
  background: rgba(0, 0, 0, 0.8);
  transform: scale(1.1);
}

/* ===== Thumbnail Bar ===== */
.thumbnail-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9998;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  padding: 8px 12px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.thumbnail-bar.hidden {
  opacity: 0;
  transform: translateY(100%);
  pointer-events: none;
}

.thumbnail-bar-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 4px 0;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.3) transparent;
}

.thumbnail-bar-scroll::-webkit-scrollbar {
  height: 3px;
}

.thumbnail-bar-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.thumbnail-bar-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 2px;
}

.thumbnail-item {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  min-width: 72px;
}

.thumbnail-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.thumbnail-item.active {
  border-color: var(--color-primary);
  background: rgba(26, 115, 232, 0.2);
}

.thumbnail-img {
  width: 56px;
  height: 42px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-bg-card);
}

.thumbnail-placeholder {
  width: 56px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.thumbnail-name {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

/* ===== Share Dialog ===== */
.share-dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0);
  backdrop-filter: blur(0px);
  transition: background 0.2s ease, backdrop-filter 0.2s ease;
}

.share-dialog-overlay.open {
  background: var(--color-bg-overlay);
  backdrop-filter: blur(4px);
}

.share-dialog {
  width: 90%;
  max-width: 480px;
  max-height: 80vh;
  background: var(--color-bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.share-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
}

.share-dialog-header h3 {
  font-size: 15px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.share-dialog-close {
  font-size: 22px;
  color: var(--color-text-secondary);
  padding: 4px;
  flex-shrink: 0;
}

.share-dialog-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.share-mode-tabs {
  display: flex;
  gap: 4px;
}

.share-mode-tab {
  flex: 1;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.share-mode-tab.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.share-mode-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.share-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.share-field label {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.share-select,
.share-input {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text);
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition-fast);
}

.share-select:focus,
.share-input:focus {
  border-color: var(--color-primary);
}

.share-generate-btn,
.share-add-user-btn {
  width: 100%;
  padding: 10px;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: white;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.share-generate-btn:hover,
.share-add-user-btn:hover {
  background: var(--color-primary-dark);
}

.share-generate-btn:disabled,
.share-add-user-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.share-result {
  padding: 12px;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.share-result-label {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.share-result-url-row {
  display: flex;
  gap: 6px;
}

.share-result-url {
  flex: 1;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 12px;
  outline: none;
}

.share-copy-btn {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: white;
  font-size: 12px;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.share-copy-btn:hover {
  background: var(--color-primary-dark);
}

.share-dialog .share-error {
  font-size: 12px;
  color: var(--color-error);
  display: none;
  padding: 6px 0;
}

.share-existing {
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
}

.share-existing-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.share-existing-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 200px;
  overflow-y: auto;
}

.share-link-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  gap: 8px;
}

.share-link-item.expired {
  opacity: 0.5;
}

.share-link-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.share-link-url {
  font-size: 12px;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.share-link-expires {
  font-size: 11px;
  color: var(--color-text-muted);
}

.share-link-delete {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.share-link-delete:hover {
  background: rgba(244, 67, 54, 0.2);
}

.share-loading {
  text-align: center;
  padding: 12px;
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ===== Share Viewer Mobile ===== */
@media (max-width: 767px) {
  .share-nav-panel {
    width: 260px;
  }

  .share-stage-list {
    max-height: 40%;
    border-bottom: 1px solid var(--color-border);
    border-right: none;
  }

  .share-spot-list {
    width: 100%;
  }

  .share-dialog {
    width: 95%;
    max-height: 85vh;
  }

  .thumbnail-item {
    min-width: 60px;
  }

  .thumbnail-img,
  .thumbnail-placeholder {
    width: 48px;
    height: 36px;
  }

  .thumbnail-name {
    font-size: 9px;
    max-width: 60px;
  }
}

/* ===== Autoplay Indicator ===== */
.autoplay-indicator {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 16px;
  background: rgba(26, 115, 232, 0.85);
  color: white;
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(8px);
  pointer-events: none;
}

.autoplay-icon {
  font-size: 12px;
}

/* ===== Spot Name Overlay ===== */
.spot-name-overlay {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toolbar);
  padding: 6px 18px;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  font-weight: 500;
  pointer-events: none;
  white-space: nowrap;
  max-width: 80%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: none;
}

.spot-name-overlay.visible {
  display: block;
}


/* ===== Capture Guide - New Styles ===== */
.capture-mode-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
}

.capture-mode-tab {
  padding: 8px 4px;
  font-size: 12px;
}

.capture-mode-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.capture-mode-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.capture-hint {
  font-size: 12px;
  color: var(--color-text-muted);
}

.capture-warn {
  color: var(--color-warning);
}

.capture-file-info {
  font-size: 13px;
  color: var(--color-success);
  padding: 6px 10px;
  background: rgba(76, 175, 80, 0.1);
  border-radius: var(--radius-sm);
}

/* Cubemap grid */
.cubemap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.cubemap-face-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 4px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cubemap-face-item:hover {
  border-color: var(--color-primary);
  background: rgba(26, 115, 232, 0.05);
}

.cubemap-face-item.has-file {
  border-color: var(--color-success);
  border-style: solid;
  background: rgba(76, 175, 80, 0.05);
}

.cubemap-face-preview {
  width: 100%;
  height: 56px;
  object-fit: cover;
  border-radius: 2px;
  margin-bottom: 2px;
}

.cubemap-face-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.cubemap-face-hint {
  font-size: 10px;
  color: var(--color-text-muted);
}

.cubemap-face-name {
  font-size: 10px;
  color: var(--color-success);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.cubemap-face-empty {
  font-size: 10px;
  color: var(--color-text-muted);
}

.cubemap-face-change {
  font-size: 9px;
  color: var(--color-primary-light);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.cubemap-face-item:hover .cubemap-face-change {
  opacity: 1;
}

/* Gallery preview */
.capture-gallery-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.capture-gallery-thumb {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.capture-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.capture-gallery-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
}


.capture-btn-secondary {
  background: var(--color-bg-card) !important;
  border: 1px solid var(--color-border) !important;
  font-size: 12px !important;
  color: var(--color-text-secondary) !important;
}

.capture-btn-secondary:hover {
  border-color: var(--color-primary) !important;
  color: var(--color-text) !important;
}


/* ===== Spot Editor ===== */
.spot-editor-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(4px);
}

.spot-editor-overlay.active {
  display: flex;
}

.spot-editor-card {
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  background: var(--color-bg-panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.spot-editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
}

.spot-editor-header h3 {
  font-size: 15px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.spot-editor-body {
  padding: 16px;
}

.spot-editor-hint {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  text-align: center;
}

.spot-editor-hint b {
  color: var(--color-primary-light);
}

.spot-editor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.spot-editor-face {
  display: flex;
  flex-direction: column;
  align-items: center;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  overflow: hidden;
  position: relative;
}

.spot-editor-face:hover {
  border-color: var(--color-primary);
}

.spot-editor-face.selected {
  border-color: var(--color-warning);
  box-shadow: 0 0 0 2px rgba(255, 152, 0, 0.3);
}

.spot-editor-face-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.spot-editor-face-empty {
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-card);
  color: var(--color-text-muted);
  font-size: 12px;
}

.spot-editor-face-info {
  padding: 4px 6px;
  text-align: center;
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
}

.spot-editor-face-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text);
  display: block;
}

.spot-editor-face-hint {
  font-size: 10px;
  color: var(--color-text-muted);
}

.spot-editor-face-actions {
  position: absolute;
  top: 4px;
  right: 4px;
}

.spot-editor-replace-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.spot-editor-face:hover .spot-editor-replace-btn {
  opacity: 1;
}

.spot-editor-equirect {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.spot-editor-equirect-img {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  border-radius: var(--radius-md);
}


.user-edit-btn {
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: rgba(26, 115, 232, 0.2);
  color: var(--color-primary-light);
  font-size: 12px;
  border: 1px solid rgba(26, 115, 232, 0.3);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.user-edit-btn:hover {
  background: rgba(26, 115, 232, 0.4);
}


.share-level-select {
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text);
  font-size: 11px;
  outline: none;
  cursor: pointer;
}


.share-link-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.share-link-renew {
  padding: 3px 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  font-size: 10px;
  outline: none;
  cursor: pointer;
}