/* roulang page: index */
:root {
      --canvas-bg: #0B0F17;
      --card-bg: #111827;
      --border-color: rgba(255, 255, 255, 0.08);
      --accent-glow: rgba(6, 182, 212, 0.15);
    }
    body {
      background-color: var(--canvas-bg);
      color: #9CA3AF;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .grid-dot-pattern {
      background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
      background-size: 24px 24px;
    }
    .terminal-card {
      background-color: var(--card-bg);
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
      border-radius: 0.5rem;
    }
    .terminal-card:hover {
      border-color: rgba(99, 102, 241, 0.4);
    }
    .glow-border {
      box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
    }
    details summary::-webkit-details-marker {
      display: none;
    }

/* roulang page: category1 */
:root {
      --canvas-bg: #0B0F17;
      --card-bg: #111827;
      --border-color: rgba(255, 255, 255, 0.08);
      --accent-glow: rgba(6, 182, 212, 0.15);
    }
    body {
      background-color: var(--canvas-bg);
      color: #9CA3AF;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .grid-dot-pattern {
      background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
      background-size: 24px 24px;
    }
    .terminal-card {
      background-color: var(--card-bg);
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
      border-radius: 0.5rem;
      transition: all 0.2s ease-in-out;
    }
    .terminal-card:hover {
      border-color: rgba(99, 102, 241, 0.4);
      transform: translateY(-2px);
    }
    .glow-border {
      box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
    }
    .badge-pulse {
      position: relative;
    }
    .badge-pulse::before {
      content: '';
      position: absolute;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background-color: #10B981;
      left: 8px;
      top: 50%;
      transform: translateY(-50%);
      animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: .3; }
    }

/* roulang page: category2 */
:root {
            --canvas-bg: #0B0F17;
            --card-bg: #111827;
            --border-color: rgba(255, 255, 255, 0.08);
            --accent-glow: rgba(6, 182, 212, 0.15);
        }
        body {
            background-color: var(--canvas-bg);
            color: #9CA3AF;
            font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            overflow-x: hidden;
        }
        .grid-dot-pattern {
            background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
            background-size: 24px 24px;
        }
        .terminal-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            border-radius: 0.5rem;
        }
        .terminal-card:hover {
            border-color: rgba(99, 102, 241, 0.4);
        }
        .glow-border {
            box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
        }

/* roulang page: category3 */
:root {
      --canvas-bg: #0B0F17;
      --card-bg: #111827;
      --border-color: rgba(255, 255, 255, 0.08);
      --accent-glow: rgba(6, 182, 212, 0.15);
    }
    body {
      background-color: var(--canvas-bg);
      color: #9CA3AF;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }
    .grid-dot-pattern {
      background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
      background-size: 24px 24px;
    }
    .terminal-card {
      background-color: var(--card-bg);
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
      border-radius: 0.5rem;
    }
    .terminal-card:hover {
      border-color: rgba(99, 102, 241, 0.4);
    }
    .glow-border {
      box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
    }
    .status-badge {
      display: inline-flex;
      align-items: center;
      padding: 0.125rem 0.5rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    }