:root {
        color-scheme: dark;
        --bg: #0b1020;
        --card: rgba(255, 255, 255, 0.06);
        --border: rgba(255, 255, 255, 0.12);
        --text: rgba(255, 255, 255, 0.92);
        --muted: rgba(255, 255, 255, 0.7);
        --muted-2: rgba(255, 255, 255, 0.55);
        --accent: #7c5cff;
        --accent-2: #33c3ff;
        --good: #37d67a;
        --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
        --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
          "Courier New", monospace;
        --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial,
          "Apple Color Emoji", "Segoe UI Emoji";
      }

      * {
        box-sizing: border-box;
      }

      html {
        scroll-behavior: smooth;
      }

      body {
        margin: 0;
        font-family: var(--sans);
        color: var(--text);
        background:
          radial-gradient(1200px 900px at 15% 5%, rgba(124, 92, 255, 0.28), transparent 55%),
          radial-gradient(900px 800px at 85% 10%, rgba(51, 195, 255, 0.22), transparent 55%),
          radial-gradient(700px 700px at 50% 90%, rgba(255, 255, 255, 0.06), transparent 60%),
          var(--bg);
        line-height: 1.55;
      }

      a {
        color: inherit;
        text-decoration: none;
      }

      a:hover {
        text-decoration: underline;
      }

      .container {
        width: 80%;
        max-width: 1600px;
        margin: 0 auto;
        padding: 44px 0 72px;
      }

      .card {
        background: var(--card);
        border: 1px solid var(--border);
        border-radius: 18px;
        box-shadow: var(--shadow);
      }

      @supports (backdrop-filter: blur(1px)) {
        .card {
          backdrop-filter: blur(14px);
        }
      }

      @media (max-width: 720px) {
        .container {
          width: 92%;
          padding: 28px 0 56px;
        }
      }

      .bento {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 16px;
        grid-auto-flow: dense;
      }

      .tile {
        padding: 22px 22px 20px;
        position: relative;
        overflow: hidden;
        transition:
          transform 180ms ease,
          border-color 180ms ease,
          box-shadow 180ms ease,
          background-color 180ms ease;
      }

      .tile::before {
        content: "";
        position: absolute;
        inset: -2px;
        background:
          radial-gradient(
            600px 260px at var(--mx, 30%) var(--my, 12%),
            rgba(124, 92, 255, 0.22),
            transparent 60%
          ),
          radial-gradient(
            520px 240px at calc(var(--mx, 30%) + 22%) calc(var(--my, 12%) + 18%),
            rgba(51, 195, 255, 0.16),
            transparent 60%
          );
        opacity: 0;
        transition: opacity 220ms ease;
        pointer-events: none;
      }

      .tile > * {
        position: relative;
        z-index: 1;
      }

      .tile:hover {
        transform: translateY(-2px);
        border-color: rgba(255, 255, 255, 0.18);
        box-shadow:
          0 28px 70px rgba(0, 0, 0, 0.5),
          0 0 0 1px rgba(124, 92, 255, 0.1) inset;
      }

      .tile:hover::before {
        opacity: 1;
      }

      .span-12 {
        grid-column: span 12;
      }

      .span-8 {
        grid-column: span 8;
      }

      .span-4 {
        grid-column: span 4;
      }

      @media (max-width: 1050px) {
        .span-8,
        .span-4 {
          grid-column: span 12;
        }
      }

      .hero {
        padding: 28px 28px 26px;
        position: relative;
        overflow: hidden;
      }

      .hero::before {
        content: "";
        position: absolute;
        inset: -2px;
        background:
          radial-gradient(700px 260px at 30% 20%, rgba(124, 92, 255, 0.35), transparent 60%),
          radial-gradient(520px 260px at 78% 30%, rgba(51, 195, 255, 0.28), transparent 60%);
        filter: blur(16px);
        opacity: 0.9;
        pointer-events: none;
      }

      .hero > * {
        position: relative;
        z-index: 1;
      }

      .kicker {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 6px 12px;
        border: 1px solid var(--border);
        border-radius: 999px;
        background: rgba(0, 0, 0, 0.25);
        color: var(--muted);
        font-size: 13px;
        letter-spacing: 0.03em;
      }

      .dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--accent), var(--accent-2));
        box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.18);
      }

      h1 {
        margin: 14px 0 8px;
        font-size: clamp(28px, 3.4vw, 44px);
        line-height: 1.1;
        letter-spacing: -0.02em;
      }

      .subtitle {
        margin: 0;
        color: var(--muted);
        font-size: 16px;
        max-width: 70ch;
      }

      .actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-top: 18px;
      }

      .btn {
        appearance: none;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 10px 14px;
        border-radius: 12px;
        border: 1px solid var(--border);
        background: rgba(0, 0, 0, 0.2);
        color: var(--text);
        font-weight: 600;
        cursor: pointer;
        transition:
          transform 140ms ease,
          filter 140ms ease,
          border-color 140ms ease,
          background-color 140ms ease;
      }

      .btn:hover {
        text-decoration: none;
        border-color: rgba(255, 255, 255, 0.2);
        transform: translateY(-1px);
      }

      .btn:active {
        transform: translateY(0px);
      }

      .btn.primary {
        background: linear-gradient(135deg, rgba(124, 92, 255, 0.95), rgba(51, 195, 255, 0.85));
        border-color: transparent;
      }

      .btn.primary:hover {
        filter: brightness(1.05);
      }

      a:focus-visible,
      button:focus-visible {
        outline: 2px solid rgba(51, 195, 255, 0.7);
        outline-offset: 3px;
      }

      h2 {
        margin: 0 0 10px;
        font-size: 18px;
        letter-spacing: -0.01em;
      }

      p,
      li {
        color: var(--muted);
      }

      .muted {
        color: var(--muted);
      }

      ul {
        margin: 10px 0 0;
        padding-left: 18px;
      }

      li {
        margin: 6px 0;
      }

      code,
      pre {
        font-family: var(--mono);
        font-size: 13px;
      }

      pre {
        margin: 12px 0 0;
        padding: 14px 14px;
        border-radius: 14px;
        border: 1px solid var(--border);
        background: rgba(0, 0, 0, 0.25);
        overflow: auto;
        white-space: pre-wrap;
        overflow-wrap: anywhere;
      }

      .meta {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 14px;
      }

      .pill {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 7px 10px;
        border-radius: 999px;
        border: 1px solid var(--border);
        background: rgba(0, 0, 0, 0.22);
        color: var(--muted-2);
        font-size: 12px;
        transition:
          transform 160ms ease,
          border-color 160ms ease,
          background-color 160ms ease,
          color 160ms ease;
      }

      .pill:hover {
        transform: translateY(-1px);
        border-color: rgba(255, 255, 255, 0.18);
        background: rgba(0, 0, 0, 0.28);
        color: rgba(255, 255, 255, 0.78);
      }

      .btn.small {
        padding: 8px 10px;
        font-size: 13px;
      }

      .fieldRow {
        display: flex;
        gap: 10px;
        align-items: center;
        flex-wrap: wrap;
        margin-top: 12px;
      }

      .textInput {
        flex: 1 1 260px;
        min-width: 240px;
        padding: 10px 12px;
        border-radius: 12px;
        border: 1px solid var(--border);
        background: rgba(0, 0, 0, 0.22);
        color: var(--text);
        font-size: 14px;
        outline: none;
        transition: border-color 160ms ease, background-color 160ms ease;
      }

      .textInput::placeholder {
        color: rgba(255, 255, 255, 0.55);
      }

      .textInput:focus {
        border-color: rgba(51, 195, 255, 0.55);
        background: rgba(0, 0, 0, 0.26);
      }

      .demoSteps {
        display: grid;
        gap: 10px;
        margin-top: 12px;
      }

      .stepRow {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 10px 12px;
        border-radius: 14px;
        border: 1px solid var(--border);
        background: rgba(0, 0, 0, 0.18);
      }

      .stepLabel {
        color: rgba(255, 255, 255, 0.88);
        font-weight: 600;
      }

      .stepStatus {
        font-family: var(--mono);
        font-size: 12px;
        padding: 4px 8px;
        border-radius: 999px;
        border: 1px solid var(--border);
        background: rgba(0, 0, 0, 0.22);
        color: rgba(255, 255, 255, 0.7);
        text-transform: uppercase;
        letter-spacing: 0.03em;
      }

      .stepStatus.running {
        border-color: rgba(51, 195, 255, 0.4);
        color: rgba(255, 255, 255, 0.86);
      }

      .stepStatus.done {
        border-color: rgba(55, 214, 122, 0.4);
        color: rgba(255, 255, 255, 0.86);
      }

      .stepStatus.error {
        border-color: rgba(255, 99, 99, 0.45);
        color: rgba(255, 255, 255, 0.9);
      }

      details {
        margin-top: 12px;
        border: 1px solid var(--border);
        border-radius: 14px;
        background: rgba(0, 0, 0, 0.18);
        overflow: hidden;
      }

      details summary {
        cursor: pointer;
        padding: 10px 12px;
        color: rgba(255, 255, 255, 0.88);
        font-weight: 600;
        user-select: none;
      }

      details summary:hover {
        background: rgba(0, 0, 0, 0.12);
      }

      details > *:not(summary) {
        padding: 0 12px 12px;
      }

      .outputBox {
        max-height: 320px;
      }

      .mermaid {
        margin-top: 12px;
        padding: 12px;
        border-radius: 14px;
        border: 1px solid var(--border);
        background: rgba(0, 0, 0, 0.18);
        overflow: auto;
        font-family: var(--mono);
        font-size: 13px;
        white-space: pre;
      }

      .mermaid svg {
        max-width: 100%;
        height: auto;
      }

      .footer {
        grid-column: span 12;
        margin-top: 2px;
        text-align: center;
        color: var(--muted-2);
        font-size: 12px;
        padding: 8px 6px 0;
      }

      .note {
        margin-top: 10px;
        color: var(--muted-2);
        font-size: 12px;
      }

      @media (prefers-reduced-motion: reduce) {
        html {
          scroll-behavior: auto;
        }

        .tile,
        .tile::before,
        .btn,
        .pill {
          transition: none !important;
        }

        .tile:hover,
        .btn:hover,
        .pill:hover {
          transform: none !important;
        }
      }