:root {
      color-scheme: light;
      --background: #f7f9f3;
      --foreground: #000000;
      --card: #ffffff;
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --primary-foreground: #ffffff;
      --secondary: #14b8a6;
      --secondary-hover: #0d9488;
      --secondary-foreground: #ffffff;
      --muted: #f0f0f0;
      --muted-foreground: #333333;
      --accent: #f59e0b;
      --accent-soft: #fef3c7;
      --accent-foreground: #000000;
      --destructive: #ef4444;
      --border: #000000;
      --input: #737373;
      --ring: #a5b4fc;
      --pink: #ec4899;
      --green: #22c55e;
      --radius: 1rem;
      --font-sans: "DM Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      --font-mono: "Space Mono", ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      min-width: 320px;
      color: var(--foreground);
      background-color: var(--background);
      font-family: var(--font-sans);
      line-height: 1.5;
    }

    button,
    input,
    textarea {
      font: inherit;
    }

    button {
      cursor: pointer;
    }

    button:disabled {
      cursor: not-allowed;
      opacity: 0.55;
    }

    :focus-visible {
      outline: 4px solid var(--ring);
      outline-offset: 2px;
    }

    .app-shell {
      width: min(100% - 40px, 960px);
      margin: 0 auto;
      padding: 72px 0 88px;
    }

    .intro {
      position: relative;
      width: 100%;
      margin-bottom: 38px;
    }

    h1,
    h2,
    p {
      margin-top: 0;
    }

    h1 {
      margin-bottom: 16px;
      font-size: clamp(2.65rem, 7vw, 5rem);
      font-weight: 800;
      letter-spacing: -0.06em;
      line-height: 0.98;
    }

    .subtitle {
      margin-bottom: 0;
      color: var(--primary);
      font-size: 2.2rem;
      font-weight: 800;
      line-height: 1;
      text-align: center;
    }

    .startup-demo {
      margin: 0 0 22px;
      color: var(--muted-foreground);
      font-size: clamp(1.28rem, 2.6vw, 1.82rem);
      font-weight: 500;
      line-height: 1.45;
    }

    .startup-demo strong {
      color: var(--foreground);
      font-weight: 700;
    }

    .startup-demo-slot {
      position: relative;
      display: inline-block;
      vertical-align: baseline;
    }

    .startup-demo-reserve {
      display: inline-block;
      visibility: hidden;
      white-space: nowrap;
    }

    .startup-demo-live {
      position: absolute;
      top: 0;
      left: 0;
      display: inline-flex;
      align-items: baseline;
      white-space: nowrap;
    }

    .startup-demo-change {
      position: relative;
      top: 0;
      display: inline-block;
      color: inherit;
      font: inherit;
      transform-origin: center;
      transition: opacity 160ms ease, transform 160ms ease;
      white-space: nowrap;
    }

    .startup-demo-change.is-changing {
      opacity: 0;
      transform: rotateX(82deg) scale(0.96);
    }

    .startup-demo-change::after {
      position: absolute;
      top: 0;
      left: calc(100% + 3px);
      color: var(--muted-foreground);
      content: ".";
      font-family: var(--font-sans);
      font-weight: 500;
      letter-spacing: normal;
    }

    .startup-demo-change.startup-word {
      top: -3px;
      padding: 1px 9px 2px;
      border: 2px solid var(--border);
      border-radius: 999px;
      color: var(--primary);
      background: #e0e7ff;
      box-shadow: 3px 3px 0 var(--accent);
      font-family: var(--font-mono);
      font-weight: 700;
      letter-spacing: -0.03em;
    }

    .startup-demo-change.startup-word::after {
      top: 3px;
    }

    .startup-demo-replay {
      visibility: hidden;
      margin-left: 14px;
      padding: 0;
      border: 0;
      color: var(--muted-foreground);
      background: transparent;
      font: inherit;
      font-size: 0.78em;
      font-weight: 600;
      cursor: pointer;
      opacity: 0;
      transition: color 160ms ease, opacity 160ms ease;
    }

    .startup-demo-replay.is-visible {
      visibility: visible;
      opacity: 1;
    }

    .startup-demo-replay:hover {
      color: var(--foreground);
    }

    .startup-demo-replay:focus-visible {
      outline: 2px solid var(--ring);
      outline-offset: 3px;
    }

    .panel {
      border: 2px solid var(--border);
      border-radius: var(--radius);
      background: var(--card);
    }

    .generator-panel {
      position: relative;
      padding: 28px;
      overflow: hidden;
    }

    .generator-panel::before {
      position: absolute;
      top: 0;
      right: 0;
      width: 92px;
      height: 12px;
      background: linear-gradient(90deg, var(--secondary) 0 50%, var(--accent) 50%);
      border-bottom: 2px solid var(--border);
      border-left: 2px solid var(--border);
      content: "";
    }

    .field-label,
    .section-heading {
      display: block;
      margin-bottom: 9px;
      color: var(--foreground);
      font-size: 0.84rem;
      font-weight: 800;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .input-row {
      display: flex;
      align-items: stretch;
      gap: 12px;
    }

    .text-input {
      width: 100%;
      min-height: 56px;
      padding: 0 18px;
      border: 2px solid var(--border);
      border-radius: calc(var(--radius) - 4px);
      color: var(--foreground);
      background: var(--card);
      font-size: 1.08rem;
      font-weight: 600;
      transition: box-shadow 140ms ease, transform 140ms ease;
    }

    .text-input::placeholder {
      color: var(--input);
      font-weight: 500;
    }

    .text-input:focus {
      box-shadow: 4px 4px 0 var(--ring);
      outline: none;
    }

    .button {
      min-height: 56px;
      padding: 0 22px;
      border: 2px solid var(--border);
      border-radius: calc(var(--radius) - 4px);
      font-weight: 800;
      white-space: nowrap;
      transition: background-color 140ms ease, box-shadow 140ms ease, transform 140ms ease;
    }

    .button:not(:disabled):hover {
      box-shadow: 4px 4px 0 var(--border);
      transform: translate(-2px, -2px);
    }

    .button:not(:disabled):active {
      box-shadow: 1px 1px 0 var(--border);
      transform: translate(1px, 1px);
    }

    .button-primary {
      color: var(--primary-foreground);
      background: var(--primary);
    }

    .button-primary:hover:not(:disabled) {
      background: var(--primary-hover);
    }

    .button-secondary {
      min-height: 46px;
      padding-inline: 18px;
      color: var(--secondary-foreground);
      background: var(--secondary);
    }

    .button-secondary:hover:not(:disabled) {
      background: var(--secondary-hover);
    }

    .field-note,
    .error-message {
      margin: 8px 0 0;
      font-size: 0.82rem;
    }

    .field-note {
      color: var(--muted-foreground);
    }

    .error-message {
      min-height: 1.2em;
      color: var(--destructive);
      font-weight: 700;
    }

    .results-section {
      margin-top: 48px;
    }

    .section-heading-row {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 12px;
    }

    .section-heading-row .section-heading {
      margin-bottom: 0;
    }

    .result-count {
      padding: 4px 10px;
      border: 2px solid var(--border);
      border-radius: 999px;
      color: var(--accent-foreground);
      background: var(--accent);
      font-family: var(--font-mono);
      font-size: 0.76rem;
      font-weight: 700;
    }

    .results-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      min-height: 104px;
      padding: 18px;
      border: 2px solid var(--border);
      border-radius: var(--radius);
      background: var(--muted);
    }

    .result-name {
      display: flex;
      align-items: center;
      min-height: 50px;
      padding: 9px 14px;
      overflow-wrap: anywhere;
      border: 2px solid var(--border);
      border-radius: calc(var(--radius) - 6px);
      color: var(--foreground);
      background: var(--card);
      font-size: 1.1rem;
      font-weight: 700;
      transition: background-color 140ms ease, transform 140ms ease;
    }

    .result-name:nth-child(5n + 1) {
      background: #e0e7ff;
    }

    .result-name:nth-child(5n + 2) {
      background: #ccfbf1;
    }

    .result-name:nth-child(5n + 3) {
      background: var(--accent-soft);
    }

    .result-name:nth-child(5n + 4) {
      background: #fce7f3;
    }

    .result-name:nth-child(5n) {
      background: #dcfce7;
    }

    .result-name:hover {
      transform: translateY(-2px) rotate(-0.5deg);
    }

    .empty-state {
      grid-column: 1 / -1;
      align-self: center;
      margin: 12px 0;
      color: var(--muted-foreground);
      font-size: 0.92rem;
      text-align: center;
    }

    .bulk-search-section {
      margin-top: 38px;
    }

    .how-it-works-section {
      margin-top: 48px;
    }

    .how-it-works-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .how-it-works-step {
      padding: 18px;
      border: 2px solid var(--border);
      border-radius: var(--radius);
      background: var(--card);
    }

    .how-it-works-step-number {
      display: inline-grid;
      width: 30px;
      height: 30px;
      margin-bottom: 14px;
      place-items: center;
      border: 2px solid var(--border);
      border-radius: 50%;
      color: var(--accent-foreground);
      background: var(--accent);
      font-family: var(--font-mono);
      font-size: 0.78rem;
      font-weight: 700;
    }

    .how-it-works-step h3 {
      margin: 0 0 7px;
      font-size: 1rem;
    }

    .how-it-works-step p {
      margin: 0;
      color: var(--muted-foreground);
      font-size: 0.92rem;
    }

    .bulk-search-panel {
      padding: 18px;
      background: #ccfbf1;
    }

    .bulk-search-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 12px;
    }

    .bulk-search-header .section-heading {
      margin-bottom: 0;
    }

    .bulk-search-text {
      display: block;
      width: 100%;
      min-height: 170px;
      resize: vertical;
      padding: 15px;
      border: 2px solid var(--border);
      border-radius: calc(var(--radius) - 4px);
      color: var(--foreground);
      background: var(--card);
      font-family: var(--font-mono);
      font-size: 0.86rem;
      line-height: 1.6;
    }

    .bulk-search-text:focus {
      outline: none;
      box-shadow: 4px 4px 0 var(--ring);
    }

    .copy-status {
      min-height: 1.25em;
      margin: 8px 0 0;
      color: var(--muted-foreground);
      font-size: 0.82rem;
      font-weight: 700;
    }

    @media (max-width: 560px) {
      .app-shell {
        width: min(100% - 24px, 960px);
        padding: 42px 0 60px;
      }

      .generator-panel {
        padding: 22px;
      }

      .input-row {
        flex-direction: column;
      }

      .button-primary {
        width: 100%;
      }

      .results-section {
        margin-top: 38px;
      }

      .results-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        padding: 12px;
      }

      .bulk-search-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
      }

      .how-it-works-grid {
        grid-template-columns: 1fr;
      }

      .button-secondary {
        width: 100%;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
      }
    }