/* ========================================= */
/* APPLICATION STYLES                       */
/* ========================================= */

/* ========================================= */
/* USER RESTRICTION MODALS                  */
/* ========================================= */
/* UPGRADE MODAL - Uses unified overlay system */
/* ========================================= */

/* Upgrade modal overlay inherits from design system modal-overlay */

.upgrade-modal {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 28rem;
  max-height: 90vh;
  overflow-y: auto;
  animation: slideIn 0.2s ease;
}

.upgrade-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.upgrade-modal-header h3 {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text);
}

.upgrade-modal-close {
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: var(--border-radius-sm);
  transition: all 0.2s ease;
}

.upgrade-modal-close:hover {
  background-color: var(--color-background-alt);
  color: var(--color-text);
}

.upgrade-modal-body {
  padding: 1.5rem;
}

.upgrade-modal-body p {
  margin: 0 0 1.5rem 0;
  color: var(--color-text);
  line-height: 1.6;
}

.upgrade-features {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.upgrade-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
  font-size: 0.875rem;
}

.upgrade-feature svg {
  color: var(--color-success);
  flex-shrink: 0;
}

.upgrade-modal-footer {
  display: flex;
  gap: 0.75rem;
  padding: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.upgrade-btn-secondary {
  flex: 1;
  padding: 0.75rem 1rem;
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.upgrade-btn-secondary:hover {
  background-color: var(--color-background-alt);
}

.upgrade-btn-primary {
  flex: 1;
  padding: 0.75rem 1rem;
  background: var(--brand);
  color: white;
  border: none;
  border-radius: var(--border-radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.upgrade-btn-primary:hover {
  background: var(--brand-dark);
}

.pro-feature-badge {
  position: absolute;
  top: -0.25rem;
  right: -0.25rem;
  background: var(--brand);
  color: white;
  padding: 0.125rem 0.375rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.625rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
  z-index: 10;
  animation: pulse 2s infinite;
}

.pro-feature-badge svg {
  width: 0.75rem;
  height: 0.75rem;
}

.pro-feature-disabled {
  position: relative;
  opacity: 0.6;
}

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

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

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ========================================= */
/* NEW UPGRADE MODAL STYLES                 */
/* ========================================= */

.upgrade-modal-new {
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  width: 95%;
  max-width: 60rem;
  max-height: 90vh;
  overflow: hidden;
  animation: slideIn 0.3s ease;
  position: relative;
}

.upgrade-modal-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 32rem;
  position: relative;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.upgrade-modal-left {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--color-white);
  border-radius: 0.75rem 0 0 0.75rem;
}

.upgrade-modal-left h2 {
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--color-text);
  margin: 0 0 1rem 0;
  line-height: 1.1;
  font-family: var(--font-serif);
}

.upgrade-subtitle {
  font-size: 1rem;
  color: var(--color-text-light);
  margin: 0 0 1.5rem 0;
  line-height: 1.6;
}

.upgrade-features-new {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.upgrade-feature-new {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--color-text);
  font-size: 0.875rem;
  line-height: 1.4;
}

.upgrade-feature-new svg {
  color: var(--brand);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.upgrade-feature-new strong {
  font-weight: var(--font-weight-semibold);
}

.upgrade-btn-primary-new {
  width: 100%;
  padding: 0.875rem 1.5rem;
  background-color: var(--brand);
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: 'Inter', sans-serif;
}

.upgrade-btn-primary-new:hover {
  background-color: var(--brand-dark);
}

.upgrade-social-proof {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
  align-items: center;
  text-align: center;
}

.user-avatars {
  display: flex;
  justify-content: center;
  margin-left: -0.5rem;
}

.user-avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 2px solid var(--color-white);
  margin-left: -0.5rem;
  object-fit: cover;
}

.user-avatar:first-child {
  margin-left: 0;
}

.social-proof-text {
  display: flex;
  flex-direction: column;
  gap: var(--gap-xs);
}

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

.upgrade-modal-right {
  position: relative;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 0 0.75rem 0.75rem 0;
}

.upgrade-image-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0 0.75rem 0.75rem 0;
  overflow: hidden;
}

.upgrade-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 0 0.75rem 0.75rem 0;
}

.pro-badge-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.pro-badge-large {
  background: var(--brand);
  color: white;
  padding: var(--padding-md) var(--padding-xl);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  box-shadow: 0 4px 20px rgba(217, 113, 78, 0.3);
  animation: pulse 2s infinite;
}

.upgrade-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--slate-600);
  transition: all 0.2s ease;
  backdrop-filter: blur(10px);
}

.upgrade-modal-close:hover {
  background: rgba(255, 255, 255, 1);
  color: var(--slate-800);
  transform: scale(1.05);
}

.upgrade-modal-close svg {
  width: 1rem;
  height: 1rem;
}

/* Dark theme support for close button */
[data-theme="dark"] .upgrade-modal-close {
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--slate-200);
}

[data-theme="dark"] .upgrade-modal-close:hover {
  background: rgba(0, 0, 0, 0.9);
  color: var(--slate-100);
}

/* ========================================= */
/* MOBILE RESPONSIVE FOR NEW MODAL         */
/* ========================================= */

@media (max-width: 768px) {
  .upgrade-modal-new {
    width: 95%;
    margin: 1rem;
  }
  
  .upgrade-modal-content {
    grid-template-columns: 1fr;
  }
  
  .upgrade-modal-left {
    padding: 2rem;
    order: 2;
    border-radius: 0 0 0.75rem 0.75rem;
  }
  
  .upgrade-modal-left h2 {
    font-size: 2rem;
  }
  
  .upgrade-modal-right {
    height: 12rem;
    order: 1;
    border-radius: 0.75rem 0.75rem 0 0;
  }
  
  .upgrade-image {
    aspect-ratio: 2/1;
    border-radius: 0.75rem 0.75rem 0 0;
  }
  
  .upgrade-image-container {
    border-radius: 0.75rem 0.75rem 0 0;
  }
  
  .pro-badge-large {
    padding: 0.75rem 1.5rem;
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .upgrade-modal-left {
    padding: 1.5rem;
  }
  
  .upgrade-modal-left h2 {
    font-size: 1.5rem;
  }
  
  .upgrade-feature-new {
    font-size: 0.8rem;
  }
  
  .upgrade-modal-right {
    height: 10rem;
  }
}

/* ========================================= */
/* LAYOUT STRUCTURE                         */
/* ========================================= */

.app-container {
    display: flex;
    min-height: 100vh;
    height: 100vh; /* Ensure it takes exactly full viewport height */
    overflow: hidden; /* Prevent scrolling on the body */
  }
  
  /* Make content container fill the full viewport height */
  .content-container {
    width: 100%;
    padding: var(--padding-md) var(--padding-base);
    height: calc(100vh - 5rem); /* Subtract the header height */
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Prevent scroll on container level */
    box-sizing: border-box;
  }
  
  /* Make content cards fill the available height */
  .content-card {
    display: flex;
    flex-direction: column;
    flex: 1;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    height: 100%; /* Ensure card fills the container */
    min-height: 0; /* Allow flex to shrink below content size if needed */
  }
  
  /* Make preview areas scrollable within the card */
  .preview-scrollable {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0; /* Crucial for flex child scrolling */
  }
  
  /* ========================================= */
  /* SIDEBAR STYLES                           */
  /* ========================================= */
  
  .sidebar-controls {
    width: var(--sidebar-width);
    background-color: var(--color-white);
    border-right: 1px solid var(--color-border);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    overflow-y: auto;
    z-index: 30;
    padding-top: 0; /* Changed from 1rem to accommodate logo */
    padding-bottom: 1.5rem;
    transition: transform var(--transition-speed) ease;
  }
  
  .controls-hidden .sidebar-controls {
    transform: translateX(-100%);
  }
  
  /* Sidebar Logo Styles */
  .sidebar-logo {
    padding: var(--padding-md) var(--padding-base) var(--padding-base);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 0;
  }
  
  .controls-header {
    padding: var(--padding-base);
    border-bottom: 1px solid var(--color-border);
  }
  
  .controls-title {
    display: flex;
    align-items: center;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
  }
  
  .controls-title .icon {
    width: 1.25rem;
    height: 1.25rem;
    margin-right: 0.5rem;
    color: var(--color-primary);
  }
  
  .controls-content {
    padding: var(--padding-base);
    display: flex;
    flex-direction: column;
    gap: var(--gap-lg);
  }
  
  /* ========================================= */
  /* CONTROL GROUP STYLES                     */
  /* ========================================= */
  
  .control-group {
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);
  }
  
  .control-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .control-label {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
  }
  
  .control-setting {
    background-color: var(--color-background-alt);
    padding: var(--padding-base);
    border-radius: var(--border-radius-lg);
  }
  
  /* ========================================= */
  /* SETTING CONTROLS                         */
  /* ========================================= */
  
  .setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--margin-base);
  }
  
  .button-number {
    display: flex;
    align-items: center;
  }
  
  .number-value {
    width: 3rem;
    height: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-white);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
  }
  
  /* ========================================= */
  /* SIZE VISUALIZATION                       */
  /* ========================================= */
  
  .size-visualization {
    margin-top: var(--margin-xs);
  }
  
  .size-slider {
    position: relative;
    height: 0.5rem;
    width: 100%;
    background-color: var(--color-white);
    border-radius: 9999px;
    overflow: hidden;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
  }
  
  .slider-indicator {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    border-radius: 9999px;
    height: 100%;
  }
  
  .size-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--margin-xs);
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
  }
  
  /* ========================================= */
  /* SCALE RATIO CONTROLS                     */
  /* ========================================= */
  
  .scale-ratio-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--margin-base);
  }
  
  .scale-ratio-display {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .scale-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--margin-xs);
  }
  
  .scale-value {
    height: 3rem;
    width: 6rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
  }
  
  /* ========================================= */
  /* SCALE PRESETS                            */
  /* ========================================= */
  
  .scale-presets {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap-xs);
  }
  
  .scale-preset-btn {
    padding: calc(var(--padding-xs) * 0.95) var(--padding-xs);
    font-size: calc(var(--font-size-base) * 0.9);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    transition: all 0.2s;
  }
  
  .scale-preset-btn:hover {
    background-color: var(--color-background-alt);
  }
  
  .scale-preset-btn.active {
    background-color: rgba(217, 113, 78, 0.1);
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
  }
  
  /* ========================================= */
  /* VIEWPORT CONTROLS                        */
  /* ========================================= */
  
  .viewport-controls {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap-sm);
  }
  
  .viewport-item {
    display: flex;
    flex-direction: column;
    gap: var(--gap-xs);
  }
  
  /* ========================================= */
  /* PREFIX INPUT                             */
  /* ========================================= */
  
  .prefix-input {
    display: flex;
  }
  
  .prefix-label {
    display: inline-flex;
    align-items: center;
    padding: 0 var(--padding-sm);
    font-size: var(--font-size-base);
    background-color: var(--color-background-alt);
    border: 1px solid var(--color-border);
    border-right: 0;
    border-top-left-radius: var(--border-radius-md);
    border-bottom-left-radius: var(--border-radius-md);
    color: var(--color-text-light);
  }
  
  /* ========================================= */
  /* MAIN CONTENT STYLES                      */
  /* ========================================= */
  
  .main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
  }
  
  @media (min-width: 1280px) {
    .sidebar-controls {
      width: var(--sidebar-width-xl);
    }
    
    .main-content {
      margin-left: var(--sidebar-width-xl);
    }
  }
  
  .controls-hidden .main-content {
    margin-left: 0;
  }
  
  /* ========================================= */
  /* HEADER STYLES                            */
  /* ========================================= */
  
  .top-header {
    position: sticky;
    top: 0;
    z-index: 40;
    height: 5rem; 
    min-height: 5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  
  .header-container {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: var(--padding-sm) var(--padding-base);
    width: 100%;
    height: 100%;
  }
  
  /* Header Icons Container */
  .header-icons {
    display: flex;
    align-items: center;
    gap: var(--gap-sm);
    margin-left: auto;
  }
  
  @media (max-width: 480px) {
    .header-icons {
      display: flex
  ;
      align-items: center;
      gap: 0.35rem;
      margin-left: auto;
  }}
  
  /* ========================================= */
  /* LOGO                                     */
  /* ========================================= */
  
  .logo {
    display: flex;
    align-items: center;
    padding: 0 var(--padding-base) var(--padding-base) var(--padding-base);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--margin-base);
  }
  
  .logo-icon {
    width: 2rem;
    height: 2rem;
    background: linear-gradient(to top right, var(--brand), var(--brand-light));
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    margin-right: var(--margin-sm);
  }
  
  .logo-icon svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-white);
  }
  
  .logo-text {
    display: flex;
    flex-direction: column;
    flex: 1;
    margin-right: 2rem;
  }
  
  .app-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    background: linear-gradient(to right, var(--accent-pro-100), var(--accent-main-100));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
  }
  
  .app-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
  }
  
  /* ========================================= */
  /* DROPDOWN STYLES                          */
  /* ========================================= */
  
  .dropdown-container {
    position: relative;
    display: inline-block;
    flex: 0 0 auto; /* Prevent expansion */
  }
  
  .app-dropdown-btn {
    display: flex;
    align-items: center;
    padding: var(--padding-xs) var(--padding-base);
    background-color: var(--bg-400);
    color: var(--text-100);
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: background-color 0.2s;
  }
  
  .app-dropdown-btn:hover {
    background-color: var(--bg-300);
  }
  
  .dropdown-icon {
    width: 1rem;
    height: 1rem;
    margin-left: var(--margin-xs);
    transition: transform 0.2s;
    opacity: 0.7;
  }
  
  .dropdown-container:hover .dropdown-icon {
    transform: rotate(180deg);
  }
  
  .dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--bg-400);
    border: none;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    z-index: 50;
    margin-top: var(--space-1);
  }
  
  .dropdown-container:hover .dropdown-content {
    display: block;
  }
  
  .dropdown-content a {
    display: block;
    padding: var(--padding-sm) var(--padding-base);
    color: var(--text-100);
    text-decoration: none;
    transition: background-color 0.2s;
  }
  
  .dropdown-content a:hover {
    background-color: var(--bg-300);
  }
  
  .dropdown-content a:first-child {
    border-top-left-radius: var(--border-radius-md);
    border-top-right-radius: var(--border-radius-md);
  }
  
  .dropdown-content a:last-child {
    border-bottom-left-radius: var(--border-radius-md);
    border-bottom-right-radius: var(--border-radius-md);
  }
  
  /* ========================================= */
  /* CARD HEADER LAYOUT                       */
  /* ========================================= */
  
  .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    position: relative; /* For absolute positioning of viewport control */
    min-height: 4rem; /* Ensure consistent header height */
    max-height: 4rem; /* Prevent expansion */
  }
  
  /* Left aligned view title */
  .view-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    flex: 0 0 auto;
    margin-right: 1rem;
    white-space: nowrap;
  }
  
  /* ========================================= */
  /* VIEWPORT RANGE CONTROL                   */
  /* ========================================= */
  
  /* Enhanced Viewport Control */
  .viewport-range-control {
    background: rgba(255, 255, 255, 0.8);
    padding: 0.5rem 0.75rem;
    border-radius: 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 5px -2px rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    min-width: 210px;
  }
  
  .viewport-slider {
    width: 150px;
    height: 4px;
    background: linear-gradient(to right, 
      rgba(217, 113, 78, 0.1) 0%, 
      rgba(217, 113, 78, 0.3) 100%);
    border-radius: 2px;
    appearance: none;
    margin: 0;
  }
  
  .viewport-slider::-webkit-slider-thumb {
    appearance: none;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: linear-gradient(to right, var(--brand), var(--brand-light));
    box-shadow: 0 0 5px rgba(217, 113, 78, 0.4);
    cursor: pointer;
    transition: transform 0.15s ease;
  }
  
  .viewport-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
  }
  
  .viewport-slider::-moz-range-thumb {
    width: 1rem;
    height: 1rem;
    border: none;
    border-radius: 50%;
    background: linear-gradient(to right, var(--brand), var(--brand-light));
    box-shadow: 0 0 5px rgba(217, 113, 78, 0.4);
    cursor: pointer;
    transition: transform 0.15s ease;
  }
  
  .viewport-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
  }
  
  .viewport-badge {
    background: linear-gradient(to right, rgba(217, 113, 78, 0.1), rgba(217, 113, 78, 0.2));
    color: var(--brand-dark);
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-family: 'Roboto Mono', monospace;
    letter-spacing: -0.5px;
    font-size: 0.8125rem;
    min-width: 85px;
    text-align: center;
  }
  
  /* ========================================= */
  /* HEADER CONTROLS                          */
  /* ========================================= */
  
  /* Right aligned header controls */
  .header-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: auto;
  }
  
  /* ========================================= */
  /* TEMPLATE SELECTOR                        */
  /* ========================================= */
  
  /* Style the template selector in the header */
  .header-controls .template-selector {
    display: block;
    margin-right: 0.75rem;
  }
  
  .header-controls .template-selector .select-input {
    font-size: 0.8rem;
    padding: 0.4rem 0.6rem;
    width: 150px;
  }
  
  /* Ensure the template content container fills the space properly */
  .template-content-container {
    width: 100%;
  }
  
  /* ========================================= */
  /* VIEW TABS                                */
  /* ========================================= */
  
  /* Updated tabs with only icons */
  .view-tabs {
    display: flex;
    gap: 0.25rem;
    background-color: var(--color-background-alt);
    border-radius: var(--border-radius-lg);
    padding: 0.125rem;
  }
  
  .tab-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border-radius: var(--border-radius-md);
    background-color: transparent;
    border: none;
    transition: all 0.2s;
  }
  
  .tab-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-text-light);
  }
  
  .tab-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
  }
  
  .tab-btn.active {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
  }
  
  .tab-btn.active .tab-icon {
    color: var(--color-primary);
  }
  
  .tab-text {
    display: none; /* Hide text in tabs since we're now using icon-only */
  }
  
  /* ========================================= */
  /* CONTENT VIEWS                            */
  /* ========================================= */
  
  /* Fix for content views - critical for tab functionality */
  .content-view {
    display: none;
    height: 100%; /* Ensure all views have same height */
  }
  
  .content-view.active {
    display: flex;
    flex-direction: column;
    flex: 1;
    height: 100%;
  }
  
  /* Live Preview container */
  .live-preview-container {
    padding: 1rem 2rem;
    margin: 0 auto !important;
    width: 100%;
    max-width: 100%;
  }
  
  .preview-section {
    margin-bottom: 3rem;
  }
  
  /* ========================================= */
  /* TYPE SCALE SHOWCASE                      */
  /* ========================================= */
  
  /* ========================================= */
  /* IMPROVED TYPE SCALE SHOWCASE               */
  /* ========================================= */
  
  .type-scale-showcase {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 0;
  }
  
  .type-sample {
    display: grid;
    grid-template-columns: 120px 1fr;
    align-items: start;
    position: relative;
    padding: 0.25rem 0;
    margin-bottom: 1.5rem;
  }
  
  /* Add subtle divider between samples */
  .type-sample:not(:last-child):after {
    content: "";
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--color-border);
    opacity: 0.5;
  }
  
  /* Label column styling */
  .type-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 0.25rem;
  }
  
  .type-name {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--color-primary);
    background-color: rgba(217, 113, 78, 0.1);
    padding: 0.1rem 0.5rem;
    border-radius: 4px;
  }
  
  .type-size {
    font-size: 0.75rem;
    color: var(--color-text-light);
  }
  
  /* Sample text styling */
  .type-sample-text {
    width: 100%;
  }
  
  /* Responsive adjustments */
  @media (max-width: 1200px) {
    .type-sample {
      grid-template-columns: 100px 1fr;
    }
  }
  
  @media (max-width: 768px) {
    .type-sample {
      grid-template-columns: 90px 1fr;
    }
    
    .type-name {
      font-size: 0.7rem;
      padding: 0.1rem 0.4rem;
    }
    
    .type-size {
      font-size: 0.7rem;
    }
  }
  
  @media (max-width: 640px) {
    .type-sample {
      grid-template-columns: 80px 1fr;
      margin-bottom: 1.25rem;
    }
  }
  
  @media (max-width: 480px) {
    .type-scale-showcase {
      gap: 0.5rem;
    }
    
    .type-sample {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
      padding-bottom: 0.75rem;
    }
    
    .type-info {
      flex-direction: row;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 0.25rem;
    }
    
    .type-sample-text {
      padding-left: 0;
    }
    
    .type-sample-text:before {
      display: none;
    }
  }
  
  /* Enhanced visual hierarchy */
  @media (min-width: 769px) {
    .type-sample-text {
      position: relative;
      padding-left: 1.5rem;
    }
  }
  
  /* Transitions for smoother experience */
  .type-sample {
    transition: background-color 0.2s ease;
  }
  
  /* ========================================= */
  /* MODERN CODE CONTAINER DESIGN             */
  /* ========================================= */
  
  /* Modern code container with elevated design */
  .code-container {
    background: linear-gradient(135deg, var(--slate-900) 0%, var(--slate-800) 100%);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 
      0 4px 6px -1px rgba(0, 0, 0, 0.1),
      0 2px 4px -1px rgba(0, 0, 0, 0.06),
      0 0 0 1px rgba(255, 255, 255, 0.05);
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--slate-700);
  }
  
  .code-container pre {
    background: transparent;
    margin: 0;
    padding: 1.5rem 2rem;
    flex: 1;
    overflow: auto;
    font-size: 0.875rem;
    line-height: 1.7;
  }
  
  /* Modern code action bar with glassmorphism effect */
  .code-action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    min-height: 3.5rem;
    position: relative;
  }
  
  .code-action-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
      transparent 0%, 
      rgba(148, 163, 184, 0.2) 20%, 
      rgba(148, 163, 184, 0.4) 50%, 
      rgba(148, 163, 184, 0.2) 80%, 
      transparent 100%);
  }
  
  /* Code language indicator */
  .code-language-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    border-radius: var(--border-radius-full);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  }
  
  .code-language-tag svg {
    width: 0.875rem;
    height: 0.875rem;
  }
  
  /* Modern button group */
  .code-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
  }
  
  /* Enhanced modern buttons */
  .code-action-bar .btn-icon-only {
    position: relative;
    background: rgba(51, 65, 85, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.3);
    color: #f1f5f9;
    padding: 0.625rem;
    border-radius: var(--border-radius-md);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(4px);
    box-shadow: 
      0 1px 3px rgba(0, 0, 0, 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.1);
  }
  
  .code-action-bar .btn-icon-only:hover {
    background: rgba(71, 85, 105, 0.95);
    border-color: rgba(148, 163, 184, 0.4);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 
      0 4px 8px rgba(0, 0, 0, 0.15),
      inset 0 1px 0 rgba(255, 255, 255, 0.2);
  }
  
  .code-action-bar .btn-icon-only svg {
    color: inherit;
    stroke: currentColor;
  }
  
  .code-action-bar .btn-icon-only:active {
    transform: translateY(0);
    box-shadow: 
      0 1px 3px rgba(0, 0, 0, 0.1),
      inset 0 1px 0 rgba(255, 255, 255, 0.1);
  }
  
  .code-action-bar .btn-icon-only svg {
    width: 1.125rem;
    height: 1.125rem;
    transition: all 0.2s ease;
  }
  
  .code-action-bar .btn-icon-only:hover svg {
    transform: scale(1.05);
  }
  
  /* Success state for copy button */
  .code-action-bar .btn-icon-only.copied {
    background: #22c55e;
    border-color: #22c55e;
    color: #ffffff;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.3);
  }
  
  .code-action-bar .btn-icon-only.copied:hover {
    background: #22c55e;
    transform: none;
    color: #ffffff;
  }
  
  .code-action-bar .btn-icon-only:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
  }

  /* Dark mode adjustments */
  [data-theme="dark"] .code-container {
    background: linear-gradient(135deg, var(--slate-950) 0%, var(--slate-900) 100%);
    border-color: var(--slate-800);
    box-shadow: 
      0 4px 6px -1px rgba(0, 0, 0, 0.2),
      0 2px 4px -1px rgba(0, 0, 0, 0.1),
      0 0 0 1px rgba(255, 255, 255, 0.05);
  }
  
  [data-theme="dark"] .code-action-bar {
    background: rgba(15, 23, 42, 0.9);
    border-bottom-color: rgba(71, 85, 105, 0.3);
  }
  
  [data-theme="dark"] .code-action-bar::before {
    background: linear-gradient(90deg, 
      transparent 0%, 
      rgba(71, 85, 105, 0.3) 20%, 
      rgba(71, 85, 105, 0.5) 50%, 
      rgba(71, 85, 105, 0.3) 80%, 
      transparent 100%);
  }
  
  [data-theme="dark"] .code-action-bar .btn-icon-only {
    background: rgba(30, 41, 59, 0.95);
    border-color: rgba(71, 85, 105, 0.5);
    color: #f1f5f9;
  }
  
  [data-theme="dark"] .code-action-bar .btn-icon-only:hover {
    background: rgba(51, 65, 85, 0.95);
    border-color: rgba(100, 116, 139, 0.6);
    color: #ffffff;
  }

  /* Responsive design */
  @media (max-width: 768px) {
    .code-action-bar {
      padding: 0.5rem 1rem;
      gap: 0.75rem;
    }
    
    .code-container pre {
      padding: 1rem;
      font-size: 0.8rem;
    }
  }
  
  .css-code {
    font-family: 'Roboto Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--slate-100);
    white-space: pre;
  }

  /* CSS Comments Syntax Highlighting for Code Viewer */
  .css-code .comment {
    color: #94a3b8;
    opacity: 0.85;
    font-style: italic;
  }
  
  /* ========================================= */
  /* REALWORLD CONTAINER                      */
  /* ========================================= */
  
  /* Realworld Container Basic Structure */
  .realworld-container {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    margin: 0 auto;
    height: 100%;
    width: 100%;
    overflow-y: auto;
  }
  
  .realworld-container > div {
    width: 100%;
    margin: 0 auto !important;
  }
  
  /* ========================================= */
  /* NOTIFICATION TOAST                       */
  /* ========================================= */
  
/* Updated notification toast styling with better centering behavior */
.notification {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1rem;
  border-radius: 12px;
  z-index: 1000;
  max-width: 320px;
  width: auto;
  transition: all 0.3s ease;
  animation: notification-float-in 0.4s forwards;
  background: linear-gradient(
    135deg, 
    rgba(35, 35, 34, 0.5) 0%,
    rgba(43, 43, 43, 0.55) 30%,
    rgba(39, 39, 39, 0.6) 70%,
    rgba(58, 58, 58, 0.55) 100%
  ) !important;
  backdrop-filter: blur(15px) !important;
  -webkit-backdrop-filter: blur(15px) !important;
  border: 1px solid var(--color-border);
  color: #ffffff !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2) !important;
}

/* Notification text styling */
.notification .notify-text {
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.4;
  text-align: center;
  color: inherit !important;
}

/* Hide notification */
.notification.hidden {
  display: none;
}

/* Animation for toast notification */
@keyframes notification-float-in {
  0% {
    transform: translateY(1rem) translateX(-50%);
    opacity: 0;
  }
  100% {
    transform: translateY(0) translateX(-50%);
    opacity: 1;
  }
}

@keyframes notification-float-out {
  0% {
    transform: translateY(0) translateX(-50%);
    opacity: 1;
  }
  100% {
    transform: translateY(1rem) translateX(-50%);
    opacity: 0;
  }
}

.notification.fade-out {
  animation: notification-float-out 0.3s forwards;
}

/* Improved alignment that adjusts based on sidebar state */
@media (min-width: 1024px) {
  /* When sidebar is visible */
  body:not(.controls-hidden) .notification {
    left: calc(50% + (var(--sidebar-width, 300px) / 2));
    transform: translateX(-50%);
  }

  /* When sidebar is collapsed/hidden */
  body.controls-hidden .notification {
    left: 50%;
    transform: translateX(-50%);
  }
}

/* Mobile responsive adjustments */
@media (max-width: 640px) {
  .notification {
    max-width: 90%;
    padding: 0.625rem 0.875rem;
  }
  
  .notification .notify-text {
    font-size: 0.875rem;
  }
}
  
  /* ========================================= */
  /* TOGGLE BUTTON STYLES                     */
  /* ========================================= */
  
  /* Update the logo section to accommodate the toggle button */
  .logo.sidebar-logo {
    display: flex;
    align-items: center;
    position: relative;
    padding: 0.75rem 1rem; 
    margin-bottom: 0;
    height: 5rem; 
  }
  
  /* Style for the new toggle button in the logo */
  .logo-toggle-btn {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #3a3a3a00;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: background-color 0.2s;
    z-index: 10;
  }
  
  .logo-toggle-btn:hover {
    background-color: #3a3a3a00;
  }
  
  .logo-toggle-btn svg {
    width: 1.6rem;
    height: 1.6rem;
    color: var(--color-text-light);
    transition: transform 0.3s ease;
  }
  
  /* Adjust logo text to create space for the toggle button */
  .logo-text {
    flex: 1;
    margin-right: 2rem;
    overflow: hidden;
  }
  
  /* Adjust logo icon size */
  .logo-icon {
    width: 1.75rem; /* Reduced from 2rem */
    height: 1.75rem; /* Reduced from 2rem */
    margin-right: 0.5rem; /* Reduced from 0.75rem */
  }
  
  .app-title {
    font-size: 1rem; /* Reduced from 1.25rem */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .app-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
  }
  
  /* Fix the hidden state of menu icons */
  #menu-closed-icon {
    display: none;
  }
  
  .controls-hidden #menu-open-icon {
    display: none;
  }
  
  .controls-hidden #menu-closed-icon {
    display: block;
  }
  
  /* Header toggle button */
  .header-toggle-btn {
    display: none; /* Hidden by default */
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    margin-right: 0.75rem;
    background-color: var(--color-background-alt);
    border: none;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
  }
  
  .header-toggle-btn:hover {
    background-color: var(--color-border);
  }
  
  .header-toggle-btn svg {
    width: 1.6rem;
    height: 1.6rem;
    color: var(--color-primary);
  }
  
  /* Show header toggle button only when sidebar is hidden */
  .controls-hidden .header-toggle-btn {
    display: flex;
    animation: fadeIn 0.3s ease;
  }
  
  /* Fix for the toggle button visibility when sidebar is closed */
  .controls-hidden .logo-toggle-btn {
    display: none; /* Hide the original toggle when sidebar is collapsed */
  }
  
  /* Fix for toggle button in collapsed state */
  .controls-hidden .header-toggle-btn {
    display: flex;
  }
  
  /* Make sure the dropdown doesn't center itself in the header */
  .controls-hidden .dropdown-container {
    margin-right: auto;
  }
  
  /* Add some smoother transitions for sidebar toggling */
  .sidebar-controls, 
  .main-content {
    transition: transform 0.3s ease, margin-left 0.3s ease;
  }
  
  /* View specific fixes */
  #view-code.content-view.active .preview-scrollable {
    display: flex;
    flex-direction: column;
    flex: 1;
  }
  
  /* Auto-collapse sidebar on screens <= 1024px */
  @media (max-width: 1024px) {
    /* Start with sidebar collapsed */
    body:not(.force-open) .sidebar-controls {
      transform: translateX(-100%);
    }
    
    body:not(.force-open) .main-content {
      margin-left: 0;
    }
    
    /* Show header toggle button */
    body:not(.force-open) .header-toggle-btn {
      display: flex;
    }
  }
  
  /* ========================================= */
  /* SIDEBAR RESPONSIVE FIX                   */
  /* ========================================= */
  
  /* Fix for sidebar width consistency */
  .sidebar-controls {
    width: var(--sidebar-width); /* Ensure consistent width */
    transition: transform 0.3s ease;
  }
  
  @media (min-width: 1280px) {
    .sidebar-controls {
      width: var(--sidebar-width-xl); /* Use the larger sidebar width for XL screens */
    }
  }
  
  /* Force-open should only affect transform, not width */
  .force-open .sidebar-controls {
    transform: translateX(0) !important; /* Override any other transform */
  }
  
  /* Main content behavior for force-open */
  .force-open:not(.controls-hidden) .main-content {
    margin-left: var(--sidebar-width);
  }
  
  @media (min-width: 1280px) {
    .force-open:not(.controls-hidden) .main-content {
      margin-left: var(--sidebar-width-xl);
    }
  }
  
  /* Improved mobile handling */
  @media (max-width: 1024px) {
    /* Default state for mobile - sidebar starts hidden */
    .sidebar-controls {
      transform: translateX(-100%);
    }
    
    /* When mobile sidebar is shown */
    .force-open .sidebar-controls {
      transform: translateX(0) !important;
      z-index: 100; /* Ensure sidebar appears above content */
      box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
    }
  }
  
  /* Fix toggle button visibility consistently */
  /* Header toggle button is hidden by default when sidebar is visible */
  .header-toggle-btn {
    display: none;
  }
  
  /* Only show the header toggle button when sidebar is hidden */
  .controls-hidden .header-toggle-btn {
    display: flex;
    animation: fadeIn 0.3s ease;
  }
  
  /* Hide header toggle button when sidebar is visible */
  body:not(.controls-hidden) .header-toggle-btn {
    display: none !important;
  }
  
  /* Override any conflicting display properties for mobile */
  @media (max-width: 1024px) {
    .header-toggle-btn {
      display: none !important; /* Hidden by default */
    }
    
    .controls-hidden .header-toggle-btn {
      display: flex !important; /* Only visible when sidebar is hidden */
    }
  }
  
  /* IMPROVED UI DROPDOWN WIDGET STYLES */
  /* Enhanced Mode Dropdown styling */
  .mode-selector {
    position: relative;
    z-index: 50;
  }
  
  /* Button styling improvements */
  .mode-selector-btn {
    display: flex;
    align-items: center;
    background: linear-gradient(to right, var(--brand), var(--brand-light));
    color: white;
    border: none;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 170px;
    height: 2.5rem;
  }
  
  .mode-selector-btn:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
  }
  
  .mode-selector-btn:active {
    transform: translateY(0);
  }
  
  .mode-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
    background-color: rgba(255, 255, 255, 0.15);
    padding: 0.25rem;
    border-radius: var(--border-radius-md);
  }
  
  .mode-icon svg {
    width: 1rem;
    height: 1rem;
    color: white;
  }
  
  .mode-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    flex: 1;
  }
  
  .mode-title {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.01em;
  }
  
  .mode-version {
    font-size: 0.675rem;
    opacity: 0.9;
  }
  
  .mode-caret {
    width: 0.875rem;
    height: 0.875rem;
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
  }
  
  .mode-selector.open .mode-caret {
    transform: rotate(180deg);
  }
  
  /* Dropdown Panel Enhancements */
  .mode-dropdown {
    position: absolute;
    top: calc(100% + 0.6rem);
    left: 0;
    width: 280px;
    min-width: 100%;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--color-border);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
    overflow: hidden;
    padding: 0.5rem;
  }
  
  /* Arrow indicator for dropdown */
  .mode-dropdown:before {
    content: '';
    position: absolute;
    top: -6px;
    left: 24px;
    width: 12px;
    height: 12px;
    background: var(--color-white);
    border-left: 1px solid var(--color-border);
    border-top: 1px solid var(--color-border);
    transform: rotate(45deg);
  }
  
  .mode-selector.open .mode-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  
  /* Dropdown Options */
  .mode-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    border-radius: var(--border-radius-md);
    margin-bottom: 0.25rem;
  }
  
  .mode-option:last-child {
    margin-bottom: 0;
  }
  
  .mode-option:hover {
    background-color: var(--color-background-alt);
  }
  
  .mode-option.active {
    background-color: rgba(217, 113, 78, 0.08);
  }
  
  .mode-option-content {
    display: flex;
    align-items: center;
    width: 100%;
  }
  
  .option-details {
    display: flex;
    flex-direction: column;
    width: 100%;
  }
  
  .option-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.25rem;
  }
  
  .mode-option.active .option-title {
    color: var(--color-primary);
  }
  
  .option-desc {
    font-size: 0.7rem;
    color: var(--color-text-light);
    line-height: 1.3;
  }
  
  .option-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    margin-left: 0.5rem;
    background-color: var(--color-primary);
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    flex-shrink: 0;
  }
  
  .option-indicator svg {
    width: 0.875rem;
    height: 0.875rem;
    color: white;
  }
  
  .mode-option.active .option-indicator {
    opacity: 1;
  }
  
  /* Focus and Active States */
  .mode-selector-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(217, 113, 78, 0.2);
  }
  
  .mode-option:focus {
    outline: none;
    background-color: var(--color-background-alt);
  }
  
  /* Responsive adjustments */
  @media (max-width: 640px) {
    .mode-dropdown {
      width: 250px;
    }
    
    .mode-option {
      padding: 0.625rem 0.875rem;
    }
    
    .option-title {
      font-size: 0.8rem;
    }
  }
  
  /* ========================================= */
  /* CUSTOM SCALE MODE STYLES                 */
  /* ========================================= */
  
  /* Size Manager Styles */
  #size-manager-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    height: 400px; 
    overflow-y: auto;
    transition: height 0.3s ease-out;
  }
  
  .size-row {
    display: flex;
    flex-direction: column;
    padding: 0.75rem;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
    gap: 0.75rem;
  }
  
  .size-row-header {
    margin-top: -0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }
  
  .size-drag-handle {
    cursor: grab;
    color: var(--color-text-light);
    padding: 0.25rem;
  }
  
  .size-drag-handle svg {
    width: 0.85rem;
    height: 0.85rem;
  }
  
  .size-name-container {
    width: 4rem;
  }
  
  .size-name-input,
  .size-min-input,
  .size-max-input {
    width: 100%;
    padding: 0.375rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-size: 0.85rem;
  }
  
  .size-min-input,
  .size-max-input {
    padding-right: 1.75rem;
  }
  
  .size-name-input {
    text-align: left;
  }
  
  .size-controls {
    display: flex;
    width: 100%;
  }
  
  .size-min-max {
    display: flex;
    gap: 0.75rem;
  }
  
  .size-input-group {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
  }
  
  .size-input-group label {
    font-size: 0.7rem;
    color: var(--color-text-light);
  }
  
  .size-min-input,
  .size-max-input {
    width: 4.5rem;
    padding: 0.375rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    font-size: 0.85rem;
  }
  
  .size-input-group {
    position: relative;
  }
  
  .unit {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    margin-top: 0.65rem;
    font-size: 0.75rem;
    color: var(--color-text-light);
    pointer-events: none;
    line-height: 1;
  }
  
  .delete-size-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border: none;
    background-color: transparent;
    color: var(--color-text-light);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all 0.2s;
  }
  
  .delete-size-btn:hover {
    background-color: rgba(217, 113, 78, 0.1);
    color: var(--danger-100);
  }
  
  .delete-size-btn svg {
    width: 0.85rem;
    height: 0.85rem;
  }
  
  .add-size-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
  }
  
  .add-size-btn svg {
    width: 0.75rem;
    height: 0.75rem;
  }
  
  /* Dragging styles */
  .size-row.dragging {
    opacity: 0.5;
    box-shadow: var(--shadow-lg);
  }
  
  .size-drag-handle:active {
    cursor: grabbing;
  }
  
  /* Drop indicators */
  .size-row.drop-above {
    border-top: 2px solid var(--color-primary);
  }
  
  .size-row.drop-below {
    border-bottom: 2px solid var(--color-primary);
  }
  
  #size-manager-container {
    -ms-overflow-style: none;  /* IE and Edge */
    scrollbar-width: none;     /* Firefox */
    overflow-y: auto;
  }
  
  /* Hide scrollbar for Chrome, Safari and Opera */
  #size-manager-container::-webkit-scrollbar {
    display: none;
  }
  
  /* Expand button styles */
  .expand-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background-color: var(--color-background-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    color: var(--color-text);
    font-size: 0.75rem;
    cursor: pointer;
    transition: background-color 0.2s;
  }
  
  .expand-button:hover {
    background-color: var(--color-border);
  }
  
  .expand-icon {
    width: 1rem;
    height: 1rem;
    margin-left: 0.5rem;
    transition: transform 0.3s;
  }
  
  /* When expanded */
  #size-manager-container.expanded {
    height: 1200px;
  }
  
  .expanded-button .expand-icon {
    transform: rotate(180deg);
  }
  
  /* Hide viewport control and template selector on screens 768px and below */
  @media (max-width: 768px) {
    .viewport-range-control {
      display: none !important;
    }
    
    .template-selector {
      display: none !important;
    }
    
    /* Fix card header alignment */
    .card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: nowrap;
    }
    
    .view-title {
      margin-bottom: 0;
      flex: 1;
    }
    
    .header-controls {
      order: unset;
    }
  }
  /* Fix for select dropdown arrow positioning */
  .select-input {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
    padding-right: 2.5rem; 
  }
  
  /* Specifically target the viewport selects */
  #min-viewport,
  #max-viewport,
  #custom-min-viewport,
  #custom-max-viewport {
    background-position: right 0.5rem center; 
  }
  
  /* Additional style improvement for select inputs */
  .select-input {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--color-text);
    background-color: var(--color-white);
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
  }
  
  .select-input:hover {
    border-color: var(--color-border-hover, #d1d5db);
  }
  
  .select-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(217, 113, 78, 0.15);
  }
  
  /* Add these styles to your application.css file */
  
  /* Updated logo styles */
  .site-logo {
  display: flex;
  align-items: center;
  height: 1.875rem;
}

.theme-adaptive-logo {
  height: 1.875rem;
  width: auto;
  /* Basic filter for light mode - this assumes the SVG is dark by default */
  filter: brightness(0) saturate(100%);
}

/* Light mode - logo is dark (slate-800) */
:root[data-theme="light"] .theme-adaptive-logo {
  filter: brightness(0) saturate(100%) invert(20%) sepia(12%) saturate(846%) hue-rotate(182deg) brightness(96%) contrast(90%);
}

/* Dark mode - logo is light (slate-050) */
:root[data-theme="dark"] .theme-adaptive-logo {
  filter: brightness(0) saturate(100%) invert(99%) sepia(2%) saturate(324%) hue-rotate(177deg) brightness(112%) contrast(100%);
}
  /* Adjust the logo sidebar to accommodate new layout */
  .logo.sidebar-logo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    padding: 0.75rem 1rem;
    margin-bottom: 0;
    height: 5rem;
  }
  
  /* Adjust the toggle button position */
  .logo-toggle-btn {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
  }
  /* Enhanced Content Card Styling */
  
  /* Main Card Enhancement */
  .content-card {
    border-radius: var(--border-radius-2xl);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08), 
                0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all 0.3s ease;
  }
  
  [data-theme="dark"] .content-card {
    border-color: rgba(255, 255, 255, 0.08);
  }
  
  /* Card Header Improvements */
  .card-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    min-height: 4.5rem;
    position: relative;
  }
  
  [data-theme="dark"] .card-header {
    background-color: rgba(35, 35, 36, 0.8);
    border-bottom-color: rgba(255, 255, 255, 0.08);
  }
  
  .view-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--slate-800);
    position: relative;
    display: flex;
    align-items: center;
  }
  
  [data-theme="dark"] .view-title {
    color: var(--slate-050);
  }
  
  /* Footer Styles */
  .app-footer {
    margin-top: auto;
    padding: 0.75rem 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-background-alt);
    font-size: 0.8125rem;
    height: auto;
    max-height: 5rem; /* Keeping it under 80px (8rem) */
  }
  
  .footer-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .footer-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
  }
  
  .footer-link {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.2s ease;
  }
  
  .footer-link:hover {
    color: var(--color-primary);
  }
  
  .footer-divider {
    color: var(--color-text-light);
    opacity: 0.5;
    font-size: 0.7rem;
  }
  
  .footer-copyright {
    color: var(--color-text-light);
    text-align: right;
    font-size: 0.75rem;
  }
  
  /* Media Queries */
  @media (max-width: 768px) {
    .footer-container {
      flex-direction: column;
      text-align: center;
      gap: 0.25rem;
      padding: 0.5rem 1rem;
    }
    
    .footer-nav {
      justify-content: center;
      margin: 0 auto;
    }
    
    .footer-copyright {
      text-align: center;
      width: 100%;
    }
  }
  
  /* For very small screens */
  @media (max-width: 480px) {
    .footer-nav {
      gap: 0.25rem;
    }
    
    .footer-divider {
      margin: 0 0.15rem;
    }
  }
  /*/
  
  /* Style for the scale mode select wrapper */
  .scale-mode-wrapper {
    margin-top: 0.75rem;
    border-top: 1px solid var(--color-border);
    padding-top: 0.75rem;
  }
  
  /* Style for the scale mode dropdown */
  .scale-mode-select {
    width: 100%;
    padding: 0.5rem;
    font-size: 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    background-color: var(--color-white);
    color: var(--color-text-light);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(100, 116, 139, 0.5)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 0.75rem;
    padding-right: 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
  }
  
  .scale-mode-select:hover {
    border-color: var(--color-primary);
  }
  
  .scale-mode-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(217, 113, 78, 0.2);
  }
  
  /* Dark mode adjustments */
  [data-theme="dark"] .scale-mode-select {
    background-color: var(--color-background-alt);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(229, 231, 235, 0.5)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  }
  
  /* For Chrome, Safari, Edge, Opera */
  input::-webkit-outer-spin-button,
  input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
  }
  
  /* For Firefox */
  input[type=number] {
    -moz-appearance: textfield;
  }
  
  [data-theme="dark"].size-name-input, .size-min-input, .size-max-input, input.size-name-input{
    color: var(--color-text);
    background: var(--color-background-alt);
  }
  /* ========================================= */
  /* DROPDOWN MENU STYLES                      */
  /* ========================================= */
  
  /* Menu Dropdown Container */
  .menu-dropdown {
    position: relative;
    display: inline-block;
  }
  
  /* Menu Dropdown Button */
  .menu-dropdown-btn {
    transition: background-color 0.2s ease, transform 0.2s ease;
  }
  
  .menu-dropdown-btn:hover {
    background-color: var(--color-border);
  }
  
  .menu-dropdown-btn:active {
    transform: scale(0.95);
  }
  
  /* Menu Dropdown Content */
  .menu-dropdown-content {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    position: absolute;
    top: calc(100% + 8px);
    right: -3.2rem;
    min-width: 260px;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-10px);
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    padding: 0.5rem;
  }
  
  /* Show dropdown when parent is active */
  .menu-dropdown.active .menu-dropdown-content {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
  }
  
  /* Dropdown Header */
  .dropdown-header {
    padding: 12px 16px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-border);
  }
  
  /* Menu Option Item */
  .menu-option {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--color-text);
    border-radius: var(--border-radius-md);
    transition: background-color 0.2s ease;
  }
  
  .menu-option:hover {
    background-color: var(--color-background-alt);
  }
  
  .menu-option.active {
    background-color: rgba(217, 113, 78, 0.1);
  }
  
  /* Menu Option Icon */
  .menu-option-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-right: 12px;
    background-color: var(--slate-050);
    border-radius: var(--border-radius-md);
  }
  
  .menu-option.active .menu-option-icon {
    background-color: rgba(217, 113, 78, 0.2);
  }
  
  .menu-option-icon svg {
    width: 16px;
    height: 16px;
    color: var(--color-text-light);
  }
  
  .menu-option.active .menu-option-icon svg {
    color: var(--color-primary);
  }
  
  /* Menu Option Content */
  .menu-option-content {
    flex: 1;
  }
  
  .option-title {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2px;
  }
  
  .option-desc {
    font-size: 0.75rem;
    color: var(--color-text-light);
  }

  .code-action-bar {
  display: flex;
  justify-content: space-between;
}

#help-color-code-btn {
  margin-right: auto; /* Pushes the help button to the left */
}

/* ========================================= */
/* CSS VARIABLES HELP POPUP STYLES          */
/* ========================================= */

.help-popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.help-popup-overlay.show {
  opacity: 1;
  visibility: visible;
}

.help-popup {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 720px;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.help-popup-overlay.show .help-popup {
  transform: scale(1);
}

.help-popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-background);
}

.help-popup-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin: 0;
}

.help-popup-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background-color: transparent;
  border: none;
  border-radius: 50%;
  color: var(--color-text-light);
  cursor: pointer;
  transition: background-color 0.2s;
}

.help-popup-close:hover {
  background-color: var(--color-border);
}

.help-popup-close svg {
  width: 1rem;
  height: 1rem;
}

.help-popup-content {
  padding: var(--space-6);
  overflow-y: auto;
  flex: 1;
}

.help-section {
  margin-bottom: var(--space-8);
}

.help-section:last-child {
  margin-bottom: 0;
}

.help-section-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.help-section-title svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-primary);
}

.help-text {
  font-size: var(--font-size-base);
  color: var(--color-text-light);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

.help-code-block {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  overflow-x: auto;
  margin-bottom: var(--space-4);
}

.help-code-block code {
  color: var(--color-text);
  white-space: pre;
}

/* Help documentation comment highlighting */
.help-code-block .comment {
  color: var(--color-text-light);
  opacity: 0.75;
}

/* Dark mode comment styling for help docs */
[data-theme="dark"] .help-code-block .comment {
  color: var(--slate-400);
  opacity: 0.85;
}

/* HTML syntax highlighting */
.help-code-block .html-tag {
  color: var(--color-primary);
  font-weight: 500;
}

.help-code-block .html-attribute {
  color: var(--color-success);
}

.help-code-block .html-string {
  color: var(--color-warning);
}

/* Dark mode HTML syntax highlighting */
[data-theme="dark"] .help-code-block .html-tag {
  color: #60a5fa;
}

[data-theme="dark"] .help-code-block .html-attribute {
  color: #4ade80;
}

[data-theme="dark"] .help-code-block .html-string {
  color: #fb923c;
}

.help-example {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
}

.help-example-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.help-variable-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.help-variable-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
}

.help-variable-name {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

.help-variable-value {
  font-family: var(--font-mono);
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  margin-left: auto;
}

.help-tip {
  background-color: rgba(217, 113, 78, 0.1);
  border-left: 3px solid var(--color-primary);
  padding: var(--space-3) var(--space-4);
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
  margin-bottom: var(--space-4);
}

.help-tip-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.help-tip-text {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: var(--line-height-normal);
}

/* Dark mode adjustments */
[data-theme="dark"] .help-popup {
  background-color: var(--color-white);
}

[data-theme="dark"] .help-popup-header {
  background-color: var(--color-background-alt);
  border-bottom-color: var(--color-border);
}

[data-theme="dark"] .help-code-block,
[data-theme="dark"] .help-example,
[data-theme="dark"] .help-variable-item {
  background-color: var(--color-background-alt);
  border-color: var(--color-border);
}

[data-theme="dark"] .help-tip {
  background-color: rgba(217, 113, 78, 0.15);
}

/* Help documentation tables */
.help-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-4);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.help-table th {
  background-color: var(--color-background);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-weight: var(--font-weight-medium);
  font-size: 14px;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.help-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
  color: var(--color-text-light);
  vertical-align: top;
}

.help-table tbody tr:last-child td {
  border-bottom: none;
}

.help-table tbody tr:hover {
  background-color: var(--color-background);
}

.help-table code {
  background-color: var(--color-background);
  padding: 0.125rem 0.25rem;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-primary);
}

/* Dark mode table adjustments */
[data-theme="dark"] .help-table {
  background-color: var(--color-white);
  border-color: var(--color-border);
}

[data-theme="dark"] .help-table th {
  background-color: var(--color-background-alt);
}

[data-theme="dark"] .help-table tbody tr:hover {
  background-color: var(--color-background-alt);
}
  
  /* Dark Mode Styles */
  [data-theme="dark"] .menu-dropdown-content {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
  }
  
  [data-theme="dark"] .menu-option:hover {
    background-color: var(--color-3);
  }
  
  [data-theme="dark"] .menu-option-icon {
    background-color: var(--color-4);
  }

  /* Login System Styles - Optimized & Clean */

/* ========================================= */
/* LOGIN MODAL STYLES                       */
/* ========================================= */

.login-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 1;
  transition: opacity var(--transition-speed) ease;
}

.login-modal-overlay.login-modal-hidden {
  opacity: 0;
  pointer-events: none;
}

.login-modal-container {
  background-color: var(--color-white);
  border-radius: 16px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  width: 100%;
  max-width: 420px;
  margin: 1rem;
  transform: scale(1);
  transition: all var(--transition-speed) ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.login-modal-overlay.login-modal-hidden .login-modal-container {
  transform: scale(0.95);
}

.login-modal-header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 2rem 2.5rem 2rem;
  border-bottom: none;
  position: relative;
}

.login-modal-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 2rem;
  right: 2rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.login-modal-header h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-text);
  margin: 0;
  text-align: center;
  flex: 1;
}

.login-modal-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.05);
  transition: all 0.2s ease;
}

.login-modal-close:hover {
  background: rgba(0, 0, 0, 0.1);
  transform: scale(1.05);
}

.login-modal-close svg {
  width: 1.125rem;
  height: 1.125rem;
}

.login-modal-content {
  padding: 1rem 2rem 2rem 2rem;
}

/* ========================================= */
/* LOGIN FORM STYLES                        */
/* ========================================= */

.user-login-form {
  display: block;
}

.login-form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.login-form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-text);
  font-size: 0.875rem;
}

.login-form-group input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.2s ease;
  background: var(--color-white);
  color: var(--color-text);
}

.login-form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb, 59, 130, 246), 0.1);
  background: var(--color-white);
  color: var(--color-text);
}

.login-form-group input:disabled {
  background: var(--color-background);
  color: var(--color-text-light);
  cursor: not-allowed;
}

.login-form-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.login-setting-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--color-text);
  font-size: 0.875rem;
}

.login-text-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  font-size: 1rem;
  transition: all 0.2s ease;
  background: var(--color-white);
  color: var(--color-text);
}

.login-text-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb, 59, 130, 246), 0.1);
  background: var(--color-white);
  color: var(--color-text);
}

.login-text-input:disabled {
  background: var(--color-background);
  color: var(--color-text-light);
  cursor: not-allowed;
}

/* ========================================= */
/* SOCIAL SIGNIN & GOOGLE BUTTON            */
/* ========================================= */

.login-social-signin {
  margin-bottom: 1.5rem;
}

.login-btn-google {
  width: 100%;
  padding: 0.875rem 1.5rem;
  background-color: #ffffff;
  color: #1f2937;
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
}

.login-btn-google:hover {
  background-color: #f9fafb;
  border-color: #d1d5db;
  transform: translateY(-1px);
}

.login-btn-google:active {
  transform: translateY(0);
}

.login-btn-google svg {
  flex-shrink: 0;
}

.login-btn-google:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.login-btn-google.login-btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 1rem;
  width: 1rem;
  height: 1rem;
  margin-top: -0.5rem;
  border: 2px solid transparent;
  border-top: 2px solid #6b7280;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.login-signin-divider {
  position: relative;
  margin: 1.5rem 0;
  text-align: center;
}

.login-signin-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-border);
}

.login-signin-divider span {
  background: var(--color-white);
  color: var(--color-text-light);
  padding: 0 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  position: relative;
  z-index: 1;
}

/* ========================================= */
/* VERIFICATION CODE INPUT                  */
/* ========================================= */

.login-code-input-container {
  position: relative;
}

.login-code-input {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--color-border);
  border-radius: 12px;
  font-size: 1.125rem;
  font-weight: 600;
  text-align: center;
  letter-spacing: 0.5rem;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  transition: all 0.2s ease;
  background: var(--color-white);
  color: var(--color-text);
}

.login-code-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb, 59, 130, 246), 0.1);
  background: var(--color-white);
  color: var(--color-text);
  letter-spacing: 0.75rem;
}

.login-code-input::placeholder {
  letter-spacing: 0.25rem;
  color: var(--color-text-light);
  font-weight: 400;
}

.login-code-help-text {
  color: var(--color-text-light);
  font-size: 0.75rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--color-background-alt);
  border-radius: 8px;
}

.login-code-help-icon {
  width: 1rem;
  height: 1rem;
  color: var(--color-text-light);
  flex-shrink: 0;
}

/* ========================================= */
/* PRIMARY BUTTON - ENHANCED                */
/* ========================================= */

.login-btn-primary {
  width: 100%;
  height: 3rem;
  padding: 1rem 1.5rem;
  background-color: var(--color-primary);
  color: #ffffff !important;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-width: 3rem;
}

.login-btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  color: #ffffff !important;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.login-btn-primary:active:not(:disabled) {
  transform: translateY(-1px);
}

.login-btn-primary:focus {
  color: #ffffff !important;
}

/* Button text wrapper */
.login-btn-primary .login-btn-text {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
  transform: translateY(0);
  display: block;
  text-align: center;
}

.login-btn-text {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
  transform: translateY(0);
  display: block;
  text-align: center;
}

/* Loading state */
.login-btn-primary.login-btn-loading {
  width: 3rem !important;
  border-radius: 50% !important;
  padding: 0 !important;
  min-width: 3rem;
  cursor: not-allowed;
  transform: translateY(0) !important;
  color: #ffffff !important;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto !important;
  animation: loginLoadingPulse 2s ease-in-out infinite;
}

.login-btn-primary.login-btn-loading .login-btn-text {
  opacity: 0;
  transform: translateY(10px);
}

.login-btn-primary.login-btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1rem;
  height: 1rem;
  margin-top: -10px;
  margin-left: -10px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid #ffffff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  opacity: 1;
}

/* Success state */
.login-btn-primary.login-btn-success {
  background-color: #10b981 !important;
  width: 3rem !important;
  border-radius: 50% !important;
  animation: loginSuccessBounce 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto !important;
}

.login-btn-primary.login-btn-success::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.6rem;
  height: 1rem;
  border: solid #ffffff;
  border-width: 0 2px 2px 0;
  transform: translate(-50%, -60%) rotate(45deg);
  animation: loginCheckmarkPop 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.2s both;
}

/* Error state */
.login-btn-primary.login-btn-error {
  background-color: #ef4444 !important;
  animation: loginErrorShake 0.5s ease-in-out;
}

/* Disabled state */
.login-btn-primary:disabled:not(.login-btn-loading) {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
  color: #ffffff !important;
}

/* Ripple effect */
.login-btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease;
  pointer-events: none;
}

.login-btn-primary:active:not(:disabled):not(.login-btn-loading)::before {
  width: 100%;
  height: 100%;
}

/* ========================================= */
/* ANIMATIONS                               */
/* ========================================= */

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

@keyframes loginLoadingPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(var(--color-primary-rgb, 59, 130, 246), 0.4);
  }
  50% {
    box-shadow: 0 0 0 8px rgba(var(--color-primary-rgb, 59, 130, 246), 0);
  }
}

@keyframes loginSuccessBounce {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

@keyframes loginCheckmarkPop {
  0% {
    opacity: 0;
    transform: translate(-50%, -60%) rotate(45deg) scale(0);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -60%) rotate(45deg) scale(1);
  }
}

@keyframes loginErrorShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

@keyframes loginNotificationSlide {
  0% {
    transform: translateX(100%);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ========================================= */
/* LOGIN FORM FOOTER & LINKS                */
/* ========================================= */

.login-form-footer {
  text-align: center;
  margin-top: 1.5rem;
}

.login-link-text {
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
  position: relative;
}

.login-link-text::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -2px;
  left: 0;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.login-link-text:hover::after {
  width: 100%;
}

.login-link-text:hover {
  color: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* ========================================= */
/* USER PROFILE AVATAR & MENU               */
/* ========================================= */

.user-profile-avatar-small {
  width: 1.25rem;
  height: 1.25rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
}

.user-profile-avatar {
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  font-weight: 600;
}

.user-profile-menu-dropdown {
  position: fixed;
  z-index: 1000;
  opacity: 1;
  transition: opacity var(--transition-speed) ease;
}

.user-profile-menu-dropdown.user-profile-menu-hidden {
  opacity: 0;
  pointer-events: none;
}

.user-profile-menu-content {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 240px;
  overflow: hidden;
}

.user-profile-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background-color: var(--color-background);
}

.user-profile-details {
  flex: 1;
  min-width: 0;
}

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

.user-profile-email {
  color: var(--color-text-light);
  font-size: 0.75rem;
  margin-top: 0.125rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-profile-menu-divider {
  height: 1px;
  background-color: var(--color-border);
}

.user-profile-menu-items {
  padding: 0.5rem 0;
}

.user-profile-menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color 0.2s;
}

.user-profile-menu-item:hover {
  background-color: var(--color-background);
}

.user-profile-menu-item svg {
  width: 1rem;
  height: 1rem;
  color: var(--color-text-light);
}

.user-profile-menu-item-danger {
  color: var(--color-error);
}

.user-profile-menu-item-danger svg {
  color: var(--color-error);
}

.user-profile-menu-item-danger:hover {
  background-color: rgba(240, 62, 62, 0.1);
}

/* ========================================= */
/* LOGIN NOTIFICATIONS                      */
/* ========================================= */

.user-login-notification {
  position: fixed;
  top: 1rem;
  right: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border-radius: 12px;
  z-index: 1000;
  max-width: 320px;
  width: auto;
  transition: all 0.3s ease;
  animation: loginNotificationSlide 0.4s forwards;
  background: linear-gradient(
    135deg, 
    rgba(35, 35, 34, 0.5) 0%,
    rgba(43, 43, 43, 0.55) 30%,
    rgba(39, 39, 39, 0.6) 70%,
    rgba(58, 58, 58, 0.55) 100%
  ) !important;
  backdrop-filter: blur(15px) !important;
  border: 1px solid rgba(60, 60, 60, 0.8) !important;
  color: #ffffff !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2) !important;
  font-size: 0.875rem;
}

.user-login-notification.hidden {
  display: none;
}

.user-login-notification .login-toast-content {
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  border-radius: 0 !important;
  backdrop-filter: none !important;
  display: contents;
}

.user-login-notification .notify-text,
.user-login-notification span {
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.4;
  text-align: center;
  color: inherit !important;
  flex: 1;
}

.user-login-notification .login-toast-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  width: 1.25rem;
  height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 300;
}

.user-login-notification .login-toast-close:hover {
  color: #ffffff;
}

.login-toast-content {
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  padding: 0 !important;
  border-radius: 0 !important;
  backdrop-filter: none !important;
  display: contents;
}

.login-toast-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  width: 1.25rem;
  height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 300;
}

.login-toast-close:hover {
  color: #ffffff;
}

/* ========================================= */
/* RESPONSIVE DESIGN                        */
/* ========================================= */

@media (max-width: 640px) {
  .login-modal-container {
    margin: 0.5rem;
    max-width: calc(100vw - 1rem);
  }
  
  .login-modal-header,
  .login-modal-content {
    padding: 1rem;
  }
  
  .user-profile-menu-content {
    min-width: 200px;
    max-width: calc(100vw - 2rem);
  }
  
  .user-login-notification {
    max-width: 90%;
    padding: 0.625rem 0.875rem;
    right: 0.5rem;
    top: 0.5rem;
  }
  
  .user-login-notification .notify-text,
  .user-login-notification span {
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .login-form-actions {
    gap: 0.5rem;
  }
  
  .login-btn-primary {
    height: 2.75rem;
    font-size: 0.9rem;
  }
  
  .login-btn-primary.login-btn-loading {
    width: 2.75rem !important;
    min-width: 2.75rem;
  }
  
  .login-btn-primary.login-btn-loading::after {
    width: 0.875rem;
    height: 0.875rem;
    margin: -0.4375rem 0 0 -0.4375rem;
  }
}

/* ========================================= */
/* ACCESSIBILITY & THEME SUPPORT            */
/* ========================================= */

.login-modal-overlay {
  role: dialog;
  aria-modal: true;
}

.login-btn-primary:focus,
.login-text-input:focus,
.user-profile-menu-item:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.user-login-notification {
  role: alert;
  aria-live: polite;
}

/* Dark mode adjustments */
[data-theme="dark"] .login-modal-overlay {
  background-color: rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .user-profile-avatar-small,
[data-theme="dark"] .user-profile-avatar {
  background-color: var(--color-primary);
}

[data-theme="dark"] .login-btn-primary {
  color: #ffffff !important;
}

[data-theme="dark"] .login-btn-primary:hover,
[data-theme="dark"] .login-btn-primary:disabled,
[data-theme="dark"] .login-btn-primary.login-btn-loading {
  color: #ffffff !important;
}

[data-theme="dark"] .login-btn-primary.login-btn-loading::after {
  border-color: rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
}

[data-theme="dark"] .login-btn-google {
  background-color: #ffffff;
  color: #1f2937;
  border-color: #e5e7eb;
}

[data-theme="dark"] .login-btn-google:hover {
  background-color: #f9fafb;
  border-color: #d1d5db;
}

/* High contrast support */
@media (prefers-contrast: high) {
  .login-modal-container,
  .user-profile-menu-content,
  .user-login-notification {
    border-width: 2px;
  }
  
  .login-btn-primary {
    border-width: 2px;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .login-modal-overlay,
  .login-modal-container,
  .user-profile-menu-dropdown,
  .user-login-notification,
  .login-btn-primary,
  .user-profile-menu-item {
    transition: none;
  }
  
  .login-btn-primary.login-btn-loading {
    animation: none;
  }
  
  @keyframes spin {
    0%, 100% { transform: rotate(0deg); }
  }
}