Wizard Steps

:root {
      --ink: #060708;
      --acid: #b8ff2e;
      --muted: rgba(255, 255, 255, 0.45);
      --line: rgba(255, 255, 255, 0.1);
    }

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

    body {
      min-height: 100vh;
      display: grid;
      place-items: center;
      background: var(--ink);
      font-family: "Segoe UI", system-ui, sans-serif;
      color: #fff;
      padding: 1.5rem;
    }

    .wizard {
      width: min(100%, 480px);
      background: #0d0f14;
      border: 1px solid var(--line);
      border-radius: 24px;
      padding: 1.75rem;
      box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
    }

    .steps {
      display: flex;
      gap: 0.5rem;
      margin-bottom: 1.75rem;
    }

    .step {
      flex: 1;
      height: 4px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.08);
      overflow: hidden;
      position: relative;
    }

    .step span {
      display: block;
      height: 100%;
      width: 0;
      background: linear-gradient(90deg, var(--acid), #7fd00a);
      border-radius: inherit;
      transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
      box-shadow: 0 0 12px rgba(184, 255, 46, 0.5);
    }

    .step.done span,
    .step.active span { width: 100%; }

    .step.active span { width: 55%; }

    h1 {
      font-size: 1.35rem;
      font-weight: 850;
      margin-bottom: 0.35rem;
    }

    .sub {
      color: var(--muted);
      font-size: 0.9rem;
      margin-bottom: 1.5rem;
    }

    .panel { display: none; animation: fade 0.35s ease; }
    .panel.active { display: block; }

    @keyframes fade {
      from { opacity: 0; transform: translateY(8px); }
      to { opacity: 1; transform: none; }
    }

    label {
      display: block;
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--muted);
      margin-bottom: 0.4rem;
    }

    input, select, textarea {
      width: 100%;
      padding: 0.85rem 1rem;
      margin-bottom: 1rem;
      border-radius: 12px;
      border: 1px solid var(--line);
      background: rgba(0, 0, 0, 0.35);
      color: #fff;
      font-size: 0.95rem;
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    input:focus, select:focus, textarea:focus {
      border-color: rgba(184, 255, 46, 0.5);
      box-shadow: 0 0 0 3px rgba(184, 255, 46, 0.12);
    }

    .choices {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0.75rem;
      margin-bottom: 1rem;
    }

    .choice {
      padding: 1rem;
      border-radius: 14px;
      border: 1px solid var(--line);
      background: rgba(0, 0, 0, 0.25);
      cursor: pointer;
      transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
      text-align: center;
    }

    .choice strong { display: block; margin-bottom: 0.25rem; }
    .choice small { color: var(--muted); font-size: 0.78rem; }

    .choice:hover,
    .choice.selected {
      border-color: rgba(184, 255, 46, 0.55);
      background: rgba(184, 255, 46, 0.08);
      box-shadow: 0 0 24px rgba(184, 255, 46, 0.12);
    }

    .actions {
      display: flex;
      gap: 0.75rem;
      margin-top: 0.5rem;
    }

    button {
      flex: 1;
      padding: 0.85rem;
      border-radius: 12px;
      font-weight: 800;
      font-size: 0.92rem;
      cursor: pointer;
      border: none;
      transition: transform 0.15s ease, box-shadow 0.2s ease;
    }

    .back {
      background: transparent;
      border: 1px solid var(--line) !important;
      color: #fff;
    }

    .next {
      background: var(--acid);
      color: #06100a;
      box-shadow: 0 0 28px rgba(184, 255, 46, 0.25);
    }

    .next:hover { box-shadow: 0 0 40px rgba(184, 255, 46, 0.4); }
    button:active { transform: scale(0.98); }

    .success {
      text-align: center;
      padding: 1.5rem 0;
    }

    .success .check {
      width: 64px;
      height: 64px;
      margin: 0 auto 1rem;
      border-radius: 50%;
      background: rgba(184, 255, 46, 0.15);
      border: 2px solid var(--acid);
      display: grid;
      place-items: center;
      font-size: 1.6rem;
      color: var(--acid);
      box-shadow: 0 0 40px rgba(184, 255, 46, 0.3);
      animation: pop 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    }

    @keyframes pop {
      from { transform: scale(0.5); opacity: 0; }
      to { transform: scale(1); opacity: 1; }
    }