/* ============================================
   PDF Flipbook Viewer — Premium Design System
   ============================================ */

/* ---------- Design Tokens ---------- */
:root {
  --bg-primary: #f0f2f5;
  --bg-secondary: #ffffff;
  --bg-elevated: #e4e6eb;
  --bg-surface: #ffffff;
  --bg-panel: rgba(255, 255, 255, 0.95);
  --bg-flipbook: rgba(200, 200, 220, 0.5);

  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.25);
  --accent-danger: #e94560;

  --text-primary: #1c1e21;
  --text-secondary: #606770;
  --text-muted: #8d949e;

  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-bg-hover: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(0, 0, 0, 0.1);
  --glass-border-hover: rgba(0, 0, 0, 0.15);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

:root[data-theme="dark"] {
  --bg-primary: #18191a;
  --bg-secondary: #242526;
  --bg-elevated: #3a3b3c;
  --bg-surface: #242526;
  --bg-panel: rgba(36, 37, 38, 0.95);
  --bg-flipbook: rgba(60, 60, 60, 0.5);

  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.35);
  --accent-danger: #e94560;

  --text-primary: #e4e6eb;
  --text-secondary: #b0b3b8;
  --text-muted: #8d949e;

  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-bg-hover: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-hover: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

:root {
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --sidebar-width: 220px;
  --controlbar-height: 60px;

  --z-sidebar: 100;
  --z-controls: 200;
  --z-overlay: 300;
  --z-loading: 400;
  --z-tooltip: 500;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: var(--font);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button {
  font-family: var(--font);
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
  outline: none;
}

input {
  font-family: var(--font);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* ==========================================
   UPLOAD SCREEN
   ========================================== */

#upload-screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: var(--z-overlay);
  background: var(--bg-primary);
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
  overflow-y: auto;
  overflow-x: hidden;
}

#upload-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.upload-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(108, 92, 231, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 80% 80%, rgba(233, 69, 96, 0.08) 0%, transparent 60%),
    var(--bg-primary);
  z-index: 0;
}

.upload-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  width: 100%;
  max-width: 1200px;
  padding: 40px 24px 60px;
}

.upload-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.main-logo {
  max-width: 400px;
  max-height: 180px;
  width: 100%;
  object-fit: contain;
  margin-bottom: 12px;
}

:root[data-theme="dark"] .main-logo {
  filter: brightness(0) invert(1);
}

.upload-logo h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.upload-logo p {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Drop Zone */
.drop-zone {
  position: relative;
  width: 480px;
  max-width: 90vw;
  padding: 56px 40px;
  border-radius: var(--radius-xl);
  background: var(--glass-bg);
  border: 2px dashed var(--glass-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  cursor: pointer;
  transition: all var(--transition);
  overflow: hidden;
}

.drop-zone::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: var(--radius-xl);
  padding: 2px;
  background: linear-gradient(135deg, var(--accent), var(--accent-danger), var(--accent));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
}

.drop-zone:hover,
.drop-zone.drag-over {
  background: var(--glass-bg-hover);
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--glass-shadow), 0 0 60px var(--accent-glow);
}

.drop-zone:hover::before,
.drop-zone.drag-over::before {
  opacity: 1;
}

.drop-zone-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.15), rgba(233, 69, 96, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  transition: transform var(--transition);
}

.drop-zone:hover .drop-zone-icon,
.drop-zone.drag-over .drop-zone-icon {
  transform: scale(1.1);
}

.drop-zone-text {
  text-align: center;
}

.drop-zone-text h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.drop-zone-text p {
  font-size: 13px;
  color: var(--text-secondary);
}

.drop-zone-text .accent {
  color: var(--accent-light);
  font-weight: 500;
}

.drop-zone-btn {
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--accent), #5a4bd1);
  color: white;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.drop-zone-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px var(--accent-glow);
}

#file-input {
  display: none;
}

/* URL input */
.url-input-row {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: 480px;
}

.url-input-row input {
  flex: 1;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-primary);
  font-size: 13px;
  transition: border-color var(--transition-fast);
}

.url-input-row input::placeholder {
  color: var(--text-muted);
}

.url-input-row input:focus {
  border-color: var(--accent);
  outline: none;
}

.url-input-row button {
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: var(--glass-bg-hover);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.url-input-row button:hover {
  background: var(--glass-border);
}

.or-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  max-width: 480px;
  color: var(--text-muted);
  font-size: 12px;
}

.or-divider::before,
.or-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--glass-border);
}

/* ---------- Upload Form Wrapper ---------- */
.upload-form {
  width: 100%;
  max-width: 520px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.upload-form-label {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  padding-top: 8px;
  border-top: 1px solid var(--glass-border);
  width: 100%;
  padding-top: 20px;
}

/* When catalog is visible, make upload form compact */
.upload-form.compact .drop-zone {
  padding: 32px 28px;
}

.upload-form.compact .drop-zone-icon {
  width: 56px;
  height: 56px;
  font-size: 24px;
}

.upload-form.compact .drop-zone-text h3 {
  font-size: 15px;
}

/* ==========================================
   CATALOG SECTION
   ========================================== */

.catalog-section {
  width: 100%;
  display: none;
}

.catalog-section.visible {
  display: block;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.catalog-card {
  position: relative;
  border-radius: var(--radius);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.catalog-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4), 0 0 30px var(--accent-glow);
}

.catalog-card-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(145deg, var(--bg-secondary), var(--bg-elevated));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.catalog-card-thumb canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.catalog-card-thumb .thumb-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
}

.catalog-card-thumb .thumb-placeholder .pdf-icon {
  font-size: 42px;
  opacity: 0.5;
}

.catalog-card-thumb .thumb-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
}

.catalog-card-thumb .thumb-loading .page-spinner {
  width: 24px;
  height: 24px;
  border-width: 2px;
}

.catalog-card-info {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.catalog-card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.catalog-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 14px;
}

.catalog-empty .empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.4;
}

/* ==========================================
   VIEWER SCREEN
   ========================================== */

#viewer-screen {
  position: fixed;
  inset: 0;
  display: none;
  background: var(--bg-primary);
}

#viewer-screen.active {
  display: flex;
}

/* ---------- Thumbnail Sidebar ---------- */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: var(--controlbar-height);
  width: var(--sidebar-width);
  background: var(--bg-panel);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  z-index: var(--z-sidebar);
  display: flex;
  flex-direction: column;
  transform: translateX(0);
  transition: transform var(--transition);
}

.sidebar.collapsed {
  transform: translateX(calc(-1 * var(--sidebar-width)));
}

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

.sidebar-header h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.sidebar-close {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

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

.thumbnail-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.thumbnail-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.thumbnail-item:hover {
  border-color: var(--glass-border-hover);
  transform: scale(1.02);
}

.thumbnail-item.active {
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}

.thumbnail-item canvas {
  width: 100%;
  height: auto;
  display: block;
}

.thumbnail-number {
  position: absolute;
  bottom: 4px;
  right: 6px;
  background: rgba(0, 0, 0, 0.7);
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
}

/* ---------- Flipbook Area ---------- */
.flipbook-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: var(--controlbar-height);
  transition: padding-left var(--transition);
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 50%, var(--bg-flipbook) 0%, transparent 70%),
    var(--bg-primary);
}

.flipbook-area.sidebar-open {
  padding-left: var(--sidebar-width);
}

.flipbook-wrapper {
  position: relative;
  transform-origin: center center;
  /* Removed transition: transform to prevent zoom jittering */
}

/* StPageFlip container */
.flipbook-container {
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  overflow: visible;
}

.flipbook-container .stf__parent {
  overflow: visible !important;
}

/* Individual pages */
.pdf-page {
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.pdf-page canvas {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.pdf-page .page-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 13px;
}

.page-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid #e0e0e0;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ---------- Control Bar ---------- */
.control-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--controlbar-height);
  z-index: var(--z-controls);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 16px;
  background: var(--bg-panel);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-top: 1px solid var(--glass-border);
}

.control-group {
  display: flex;
  align-items: center;
  gap: 2px;
}

.control-divider {
  width: 1px;
  height: 28px;
  background: var(--glass-border);
  margin: 0 8px;
}

.ctrl-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: relative;
}

.ctrl-btn:hover {
  background: var(--glass-bg-hover);
  color: var(--text-primary);
}

.ctrl-btn:active {
  transform: scale(0.92);
}

.ctrl-btn.active {
  color: var(--accent-light);
  background: rgba(108, 92, 231, 0.12);
}

.ctrl-btn[disabled] {
  opacity: 0.3;
  cursor: not-allowed;
}

.ctrl-btn[disabled]:hover {
  background: none;
  color: var(--text-secondary);
}

/* Tooltip */
.ctrl-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 5px 10px;
  border-radius: var(--radius-xs);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-fast);
  border: 1px solid var(--glass-border);
  z-index: var(--z-tooltip);
}

.ctrl-btn:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Page indicator */
.page-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  font-size: 13px;
  color: var(--text-secondary);
  user-select: none;
}

.page-indicator input {
  width: 42px;
  text-align: center;
  padding: 4px 2px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  transition: border-color var(--transition-fast);
}

.page-indicator input:focus {
  border-color: var(--accent);
  outline: none;
}

.page-indicator span {
  color: var(--text-muted);
}

.page-indicator .total {
  font-weight: 500;
  color: var(--text-secondary);
}

/* Zoom label */
.zoom-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  min-width: 40px;
  text-align: center;
  user-select: none;
}

/* ---------- Loading Overlay ---------- */
#loading-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-loading);
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  background: rgba(8, 8, 26, 0.92);
  backdrop-filter: blur(12px);
}

#loading-overlay.active {
  display: flex;
}

.loading-spinner {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 4px solid rgba(108, 92, 231, 0.15);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}

.loading-text {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
}

.loading-progress {
  width: 240px;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  overflow: hidden;
}

.loading-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
  width: 0%;
  transition: width var(--transition-fast);
}

/* ---------- Notification ---------- */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  background: var(--bg-panel);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  z-index: var(--z-tooltip);
  transform: translateX(120%);
  transition: transform var(--transition);
  box-shadow: var(--glass-shadow);
}

.notification.show {
  transform: translateX(0);
}

.notification.error {
  border-color: var(--accent-danger);
  box-shadow: 0 0 24px rgba(233, 69, 96, 0.2);
}

/* ---------- Keyboard Shortcuts Help ---------- */
.shortcuts-overlay {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-loading) + 1);
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(8, 8, 26, 0.85);
  backdrop-filter: blur(8px);
}

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

.shortcuts-card {
  background: var(--bg-elevated);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 420px;
  width: 90%;
  box-shadow: var(--glass-shadow);
}

.shortcuts-card h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.shortcut-row:last-child {
  border-bottom: none;
}

.shortcut-keys {
  display: flex;
  gap: 4px;
}

.shortcut-key {
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: 11px;
  font-weight: 600;
  font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--accent-light);
}

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

/* ---------- Animations ---------- */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

@keyframes breathe {
  0%, 100% { border-color: var(--glass-border); }
  50% { border-color: rgba(108, 92, 231, 0.3); }
}

.drop-zone {
  animation: breathe 3s ease-in-out infinite;
}

.drop-zone:hover,
.drop-zone.drag-over {
  animation: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  :root {
    --sidebar-width: 180px;
    --controlbar-height: 52px;
  }

  .drop-zone {
    padding: 40px 24px;
    width: 92vw;
  }

  .upload-logo h1 {
    font-size: 22px;
  }

  .catalog-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
  }

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

  .ctrl-btn::after {
    display: none;
  }

  .control-divider {
    margin: 0 4px;
  }

  .page-indicator {
    font-size: 12px;
  }

  .page-indicator input {
    width: 36px;
    font-size: 12px;
  }

  .shortcuts-overlay {
    display: none !important;
  }
}

@media (max-width: 480px) {
  .sidebar {
    width: 100%;
  }

  .sidebar.collapsed {
    transform: translateX(-100%);
  }

  .flipbook-area.sidebar-open {
    padding-left: 0;
  }

  .url-input-row {
    flex-direction: column;
  }

  .zoom-label {
    display: none;
  }
}

/* Print hidden */
@media print {
  .control-bar,
  .sidebar,
  #upload-screen,
  #loading-overlay {
    display: none !important;
  }
}