:root {
      --bg: #0f172a;
      --panel: rgba(15, 23, 42, 0.7);
      --card: rgba(30, 41, 59, 0.75);
      --border: rgba(255, 255, 255, 0.08);
      --primary: #8b5cf6;
      --secondary: #06b6d4;
      --text: #f8fafc;
      --muted: #94a3b8;
      --success: #10b981;
      --danger: #ef4444;
      --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
      --radius: 24px;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: Inter, system-ui, sans-serif;
      background:
        radial-gradient(circle at top left, rgba(139, 92, 246, 0.35), transparent 28%),
        radial-gradient(circle at bottom right, rgba(6, 182, 212, 0.25), transparent 30%),
        var(--bg);
      color: var(--text);
      min-height: 100vh;
      padding: 32px;
      overflow-x: hidden;
    }

    .app {
      max-width: 1400px;
      margin: 0 auto;
    }

    .hero {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 24px;
      margin-bottom: 28px;
      padding: 28px;
      border-radius: var(--radius);
      background: var(--panel);
      border: 1px solid var(--border);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow);
    }

    .hero-content h1 {
      font-size: clamp(2rem, 5vw, 4rem);
      line-height: 1;
      margin-bottom: 12px;
      letter-spacing: -2px;
    }

    .hero-content p {
      color: var(--muted);
      max-width: 620px;
      line-height: 1.7;
      font-size: 1rem;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 16px;
      border-radius: 999px;
      background: rgba(139, 92, 246, 0.15);
      border: 1px solid rgba(139, 92, 246, 0.35);
      margin-bottom: 18px;
      color: #d8b4fe;
      font-size: 0.9rem;
      font-weight: 600;
    }

    .glow-orb {
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      filter: blur(2px);
      opacity: 0.9;
      animation: float 5s ease-in-out infinite;
      box-shadow: 0 0 100px rgba(139, 92, 246, 0.5);
    }

    @keyframes float {
      0%, 100% { transform: translateY(0px) scale(1); }
      50% { transform: translateY(-12px) scale(1.03); }
    }

    .workspace {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
      gap: 24px;
    }

    .panel {
      background: var(--card);
      border-radius: var(--radius);
      border: 1px solid var(--border);
      backdrop-filter: blur(18px);
      overflow: hidden;
      box-shadow: var(--shadow);
    }

    .panel-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 22px;
      border-bottom: 1px solid var(--border);
    }

    .panel-header h2 {
      font-size: 1rem;
      letter-spacing: 0.3px;
    }

    .stats {
      color: var(--muted);
      font-size: 0.85rem;
    }

    textarea {
      width: 100%;
      height: 500px;
      border: none;
      resize: none;
      padding: 22px;
      background: transparent;
      color: var(--text);
      font-size: 0.95rem;
      line-height: 1.7;
      font-family: "Fira Code", monospace;
      outline: none;
    }

    textarea::placeholder {
      color: #64748b;
    }

    .toolbar {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin: 28px 0;
    }

    button,
    select {
      border: none;
      outline: none;
      cursor: pointer;
      border-radius: 16px;
      transition: 0.25s ease;
      font-weight: 600;
    }

    button {
      padding: 14px 22px;
      color: white;
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      box-shadow: 0 12px 30px rgba(139, 92, 246, 0.3);
    }

    button:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 36px rgba(139, 92, 246, 0.4);
    }

    button.secondary {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border);
      color: var(--text);
      box-shadow: none;
    }

    button.secondary:hover {
      background: rgba(255, 255, 255, 0.12);
    }

    .back-btn{
      text-decoration:none;
      color:white;
      padding:14px 22px;
      border-radius:16px;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      font-weight:600;
      transition:.3s ease;
      box-shadow:var(--shadow);
    }

    .back-btn:hover{
      transform:translateY(-3px);
    }

    select {
      padding: 14px 18px;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border);
      color: var(--text);
      min-width: 170px;
    }

    .footer-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      margin-top: 20px;
      padding: 20px 22px;
      border-top: 1px solid var(--border);
      color: var(--muted);
      font-size: 0.9rem;
    }

    .toast {
      position: fixed;
      bottom: 30px;
      right: 30px;
      background: rgba(16, 185, 129, 0.15);
      border: 1px solid rgba(16, 185, 129, 0.4);
      color: #d1fae5;
      padding: 14px 18px;
      border-radius: 16px;
      backdrop-filter: blur(12px);
      opacity: 0;
      pointer-events: none;
      transform: translateY(12px);
      transition: 0.3s ease;
    }

    .toast.show {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 900px) {
      .hero {
        flex-direction: column;
        text-align: center;
      }

      .toolbar {
        justify-content: center;
      }

      textarea {
        height: 360px;
      }
    }