.roadmap-tabs {
      display: flex;
      justify-content: center;
      gap: 1rem;
      margin-bottom: 3.5rem;
      flex-wrap: wrap;
    }

    .roadmap-tab {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border);
      color: var(--text-secondary);
      padding: 0.8rem 1.5rem;
      border-radius: 12px;
      cursor: pointer;
      font-family: var(--font-heading);
      font-size: 0.95rem;
      font-weight: 600;
      transition: var(--transition);
    }

    .roadmap-tab:hover,
    .roadmap-tab.active {
      background: var(--primary-glow);
      border-color: var(--primary);
      color: var(--text-primary);
      box-shadow: 0 0 15px var(--primary-glow);
    }

    .roadmap-path {
      display: none;
      max-width: 800px;
      margin: 0 auto;
    }

    .roadmap-path.active {
      display: block;
      animation: fadeIn 0.6s ease forwards;
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(15px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .milestone-stepper {
      display: flex;
      flex-direction: column;
      gap: 2rem;
      position: relative;
    }

    .milestone-stepper::before {
      content: "";
      position: absolute;
      top: 2.5rem;
      bottom: 2.5rem;
      left: 24px;
      width: 2px;
      background: var(--border);
    }

    .milestone-node {
      display: flex;
      gap: 2rem;
      position: relative;
    }

    .milestone-bullet {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--bg-card);
      border: 2px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-light);
      font-family: var(--font-heading);
      font-weight: 800;
      font-size: 1.1rem;
      flex-shrink: 0;
      z-index: 2;
      transition: var(--transition);
    }

    .milestone-node:hover .milestone-bullet {
      border-color: var(--accent);
      box-shadow: 0 0 15px var(--accent-glow);
      color: var(--text-primary);
    }

    .milestone-content {
      background: var(--bg-card);
      border: 1px solid var(--border);
      padding: 1.75rem 2rem;
      border-radius: var(--border-radius);
      flex-grow: 1;
      transition: var(--transition);
    }

    .milestone-node:hover .milestone-content {
      border-color: var(--border-hover);
      background: var(--bg-card-hover);
    }

    .milestone-title {
      font-size: 1.25rem;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
      font-family: var(--font-heading);
    }

    .milestone-skills {
      display: flex;
      gap: 0.5rem;
      flex-wrap: wrap;
      margin-top: 1rem;
    }

    .milestone-skill-badge {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border);
      padding: 0.2rem 0.6rem;
      border-radius: 6px;
      font-size: 0.8rem;
      color: var(--text-secondary);
      font-family: monospace;
    }


.quiz-container {
      max-width: 650px;
      margin: 3rem auto;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--border-radius);
      padding: 2.5rem;
      position: relative;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    }

    .quiz-progress-bar {
      height: 4px;
      width: 100%;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 2px;
      margin-bottom: 2rem;
      overflow: hidden;
    }

    .quiz-progress-fill {
      height: 100%;
      width: 20%;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      transition: width 0.4s ease;
    }

    .quiz-step {
      display: none;
    }

    .quiz-step.active {
      display: block;
      animation: fadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(10px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .quiz-question {
      font-size: 1.4rem;
      margin-bottom: 1.5rem;
      color: var(--text-primary);
      font-family: var(--font-heading);
    }

    .quiz-options {
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .quiz-option {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1.1rem 1.5rem;
      cursor: pointer;
      transition: var(--transition);
      display: flex;
      align-items: center;
      gap: 1rem;
      color: var(--text-secondary);
    }

    .quiz-option:hover {
      background: rgba(255, 255, 255, 0.04);
      border-color: var(--border-hover);
      color: var(--text-primary);
    }

    .quiz-option.selected {
      background: var(--accent-glow);
      border-color: var(--accent);
      color: var(--text-primary);
      box-shadow: inset 0 0 10px rgba(20, 184, 166, 0.05);
    }

    .quiz-option-radio {
      width: 20px;
      height: 20px;
      border: 2px solid var(--border);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .quiz-option.selected .quiz-option-radio {
      border-color: var(--accent);
      background: var(--accent);
    }

    .quiz-option-radio::after {
      content: "";
      width: 8px;
      height: 8px;
      background: var(--bg-main);
      border-radius: 50%;
      display: none;
    }

    .quiz-option.selected .quiz-option-radio::after {
      display: block;
    }

    .quiz-buttons {
      display: flex;
      justify-content: space-between;
      margin-top: 2rem;
      border-top: 1px solid var(--border);
      padding-top: 1.5rem;
    }

    .quiz-results-card {
      display: none;
      text-align: center;
      animation: fadeIn 0.6s ease forwards;
    }

    .results-badge {
      display: inline-block;
      padding: 0.35rem 0.75rem;
      background: var(--accent-glow);
      border: 1px solid var(--accent);
      color: var(--accent-light);
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 20px;
      margin-bottom: 1.5rem;
    }


.resources-grid {
 display: grid;
 grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
 gap: 2rem;
 margin-top: 3rem;
 }

 .resource-card {
 background: var(--bg-card);
 border: 1px solid var(--border);
 border-radius: var(--border-radius);
 padding: 2rem;
 display: flex;
 flex-direction: column;
 justify-content: space-between;
 transition: var(--transition);
 }

 .resource-card:hover {
 border-color: var(--border-hover);
 transform: translateY(-5px);
 background: var(--bg-card-hover);
 box-shadow: 0 10px 25px -10px rgba(20, 184, 166, 0.15);
 }

 .resource-title {
 font-size: 1.3rem;
 color: var(--text-primary);
 margin-bottom: 0.75rem;
 font-family: var(--font-heading);
 display: flex;
 align-items: center;
 gap: 0.5rem;
 }

 .resource-features {
 list-style: none;
 margin: 1.25rem 0;
 display: flex;
 flex-direction: column;
 gap: 0.5rem;
 font-size: 0.9rem;
 color: var(--text-secondary);
 }

 .resource-features li {
 display: flex;
 align-items: center;
 gap: 0.5rem;
 }

 .resource-features li::before {
 content: "";
 color: var(--accent);
 font-weight: bold;
 }

 .resources-list-links a {
 color: var(--text-secondary);
 text-decoration: none;
 transition: var(--transition);
 display: inline-block;
 }

 .resources-list-links a:hover {
 color: var(--accent-light) !important;
 transform: translateX(4px);
 }


/* Compiler Component Workbench Styling */
 .compiler-workbench {
 max-width: 1400px;
 margin: 0 auto;
 }

 .track-toolbar {
 background: var(--bg-card);
 border: 1px solid var(--border);
 border-radius: var(--border-radius);
 padding: 1rem 1.25rem;
 margin-bottom: 1.5rem;
 display: flex;
 justify-content: space-between;
 align-items: center;
 flex-wrap: wrap;
 gap: 1rem;
 }

 .track-buttons {
 display: flex;
 gap: 0.5rem;
 flex-wrap: wrap;
 }

 .track-btn {
 background: rgba(255, 255, 255, 0.03);
 border: 1px solid var(--border);
 color: var(--text-secondary);
 padding: 0.5rem 1rem;
 border-radius: 6px;
 font-size: 0.85rem;
 font-weight: 600;
 cursor: pointer;
 transition: var(--transition);
 }

 .track-btn:hover {
 background: rgba(255, 255, 255, 0.08);
 color: var(--text-primary);
 }

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

 .toolbar-actions {
 display: flex;
 align-items: center;
 gap: 0.75rem;
 flex-wrap: wrap;
 }

 .select-input {
 background: var(--bg-main);
 border: 1px solid var(--border);
 color: var(--text-primary);
 padding: 0.45rem 0.75rem;
 border-radius: 6px;
 font-size: 0.85rem;
 outline: none;
 }

 .status-badge {
 font-size: 0.8rem;
 padding: 0.35rem 0.75rem;
 border-radius: 20px;
 font-weight: 600;
 display: inline-block;
 }

 .status-info {
 background: rgba(99, 102, 241, 0.15);
 color: #818cf8;
 border: 1px solid rgba(99, 102, 241, 0.3);
 }

 .status-success {
 background: rgba(20, 184, 166, 0.15);
 color: #2dd4bf;
 border: 1px solid rgba(20, 184, 166, 0.3);
 }

 .status-warning {
 background: rgba(245, 158, 11, 0.15);
 color: #fbbf24;
 border: 1px solid rgba(245, 158, 11, 0.3);
 }

 .status-error {
 background: rgba(239, 68, 68, 0.15);
 color: #f87171;
 border: 1px solid rgba(239, 68, 68, 0.3);
 }

 /* Split Screen Workspace */
 .workspace-grid {
 display: grid;
 grid-template-columns: 1fr 1fr;
 gap: 1.25rem;
 min-height: 600px;
 }

 @media (max-width: 992px) {
 .workspace-grid {
 grid-template-columns: 1fr;
 }
 }

 .editor-pane,
 .output-pane-wrapper {
 background: var(--bg-card);
 border: 1px solid var(--border);
 border-radius: var(--border-radius);
 overflow: hidden;
 display: flex;
 flex-direction: column;
 }

 .pane-header {
 background: rgba(255, 255, 255, 0.02);
 border-bottom: 1px solid var(--border);
 padding: 0.75rem 1.25rem;
 display: flex;
 justify-content: space-between;
 align-items: center;
 }

 .pane-title {
 font-family: var(--font-heading);
 font-size: 0.95rem;
 font-weight: 700;
 color: var(--text-primary);
 }

 #editor-container {
 flex-grow: 1;
 min-height: 520px;
 width: 100%;
 }

 .output-tabs {
 display: flex;
 gap: 0.25rem;
 }

 .output-tab-btn {
 background: transparent;
 border: none;
 color: var(--text-secondary);
 padding: 0.3rem 0.65rem;
 border-radius: 4px;
 font-size: 0.8rem;
 cursor: pointer;
 }

 .output-tab-btn.active {
 background: var(--primary-glow);
 color: var(--primary-light);
 font-weight: 600;
 }

 .output-content-area {
 flex-grow: 1;
 padding: 1rem;
 overflow-y: auto;
 background: #090d16;
 }

 .console-terminal {
 font-family: "Fira Code", Consolas, monospace;
 font-size: 0.9rem;
 color: #38bdf8;
 white-space: pre-wrap;
 line-height: 1.6;
 }

 /* SQL Table Result Styling */
 .sql-result-table {
 width: 100%;
 border-collapse: collapse;
 font-size: 0.85rem;
 margin-top: 0.5rem;
 }

 .sql-result-table th,
 .sql-result-table td {
 border: 1px solid var(--border);
 padding: 0.6rem 0.8rem;
 text-align: left;
 }

 .sql-result-table th {
 background: rgba(99, 102, 241, 0.1);
 color: var(--primary-light);
 font-weight: 700;
 }

 .sql-result-table tr:nth-child(even) {
 background: rgba(255, 255, 255, 0.02);
 }

 iframe.sandbox-preview {
 width: 100%;
 height: 100%;
 min-height: 500px;
 border: none;
 border-radius: 6px;
 background: #0b0f19;
 }

 .resources-list-links a {
 color: var(--text-secondary);
 text-decoration: none;
 transition: var(--transition);
 display: inline-block;
 }

 .resources-list-links a:hover {
 color: var(--accent-light) !important;
 transform: translateX(4px);
 }


.calc-container {
      max-width: 900px;
      margin: 3rem auto;
    }

    .results-badge {
      display: inline-block;
      padding: 0.35rem 0.75rem;
      background: var(--accent-glow);
      border: 1px solid var(--accent);
      color: var(--accent-light);
      font-size: 0.85rem;
      font-weight: 600;
      border-radius: 20px;
      margin-bottom: 1.5rem;
    }