/* Mobile Welcome Popup Styles */
@media (max-width: 450px) {
  .welcome-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

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

  .welcome-overlay.hide {
    opacity: 0;
    visibility: hidden;
  }

  .welcome-popup {
    background: var(--surface-color);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    max-width: 90vw;
    max-height: 85vh;
    width: 100%;
    overflow: hidden;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
  }

  .welcome-overlay.show .welcome-popup {
    transform: scale(1) translateY(0);
  }

  .welcome-overlay.hide .welcome-popup {
    transform: scale(0.9) translateY(20px);
  }

  .welcome-header {
    position: relative;
    padding: var(--space-lg) var(--space-md) var(--space-md);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    background: var(--card-bg);
  }

  .welcome-logo {
    margin-bottom: var(--space-md);
  }

  .welcome-logo img {
    width: 60px;
    height: 60px;
    object-fit: contain;
  }

  .welcome-header h2 {
    margin: 0;
    color: var(--header-color);
    font-size: var(--font-size-xl);
    font-weight: bold;
    line-height: 1.2;
  }

  .welcome-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: none;
    border: none;
    color: var(--subtext-color);
    font-size: 28px;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
  }

  .welcome-close:hover {
    background-color: var(--control-hover-bg);
    color: var(--header-color);
  }

  .welcome-content {
    padding: var(--space-md);
    max-height: 50vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .welcome-section {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding: var(--space-sm);
    border-radius: 12px;
    transition: background-color 0.2s ease;
  }

  .welcome-section:hover {
    background-color: var(--control-hover-bg);
  }

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

  .welcome-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--accent-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
  }

  .feature-icon {
    width: 24px;
    height: 24px;
    color: var(--card-bg);
  }

  .welcome-text {
    flex: 1;
  }

  .welcome-text h3 {
    margin: 0 0 var(--space-xs) 0;
    color: var(--header-color);
    font-size: var(--font-size-lg);
    font-weight: 600;
    line-height: 1.3;
  }

  .welcome-text p {
    margin: 0;
    color: var(--subtext-color);
    font-size: var(--font-size-sm);
    line-height: 1.4;
  }

  .welcome-footer {
    padding: var(--space-md);
    border-top: 1px solid var(--border-color);
    background: var(--card-bg);
    text-align: center;
  }

  .welcome-get-started {
    width: 100%;
    padding: var(--space-md);
    background: var(--accent-color);
    color: var(--card-bg);
    border: none;
    border-radius: 12px;
    font-size: var(--font-size-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: var(--space-sm);
  }

  .welcome-get-started:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--accent-color-rgb), 0.3);
  }

  .welcome-get-started:active {
    transform: translateY(0);
  }

  .welcome-note {
    margin: 0;
    color: var(--subtext-color);
    font-size: var(--font-size-xs);
    opacity: 0.8;
  }

  /* Custom scrollbar for welcome content */
  .welcome-content::-webkit-scrollbar {
    width: 4px;
  }

  .welcome-content::-webkit-scrollbar-track {
    background: transparent;
  }

  .welcome-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
  }

  .welcome-content::-webkit-scrollbar-thumb:hover {
    background: var(--subtext-color);
  }
}

/* Hide welcome popup on desktop */
@media (min-width: 451px) {
  .welcome-overlay {
    display: none !important;
  }
}