:root {
      color-scheme: light;
      --bg: #f6efe4;
      --surface: rgba(255, 252, 245, 0.86);
      --surface-strong: #fffdf8;
      --text: #1e1c18;
      --muted: #6f6659;
      --accent: #b84c2a;
      --accent-soft: rgba(184, 76, 42, 0.14);
      --border: rgba(30, 28, 24, 0.12);
      --shadow: 0 24px 60px rgba(63, 36, 18, 0.12);
      --radius: 24px;
      font-family: "Avenir Next", "Segoe UI", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    [hidden] {
      display: none !important;
    }

    body {
      margin: 0;
      min-height: 100vh;
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(255, 210, 155, 0.45), transparent 30%),
        radial-gradient(circle at top right, rgba(208, 228, 200, 0.75), transparent 26%),
        linear-gradient(180deg, #fbf7f0 0%, var(--bg) 100%);
    }

    main {
      width: min(1080px, calc(100% - 32px));
      margin: 0 auto;
      padding: 40px 0 56px;
    }

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

    .hero {
      padding: 28px;
      display: grid;
      gap: 24px;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.4)),
        linear-gradient(120deg, rgba(184, 76, 42, 0.12), rgba(235, 196, 140, 0.15));
    }

    .heading {
      display: grid;
      gap: 10px;
    }

    h1 {
      margin: 0;
      font-family: Georgia, "Times New Roman", serif;
      font-size: clamp(2.2rem, 6vw, 4rem);
      line-height: 0.95;
      letter-spacing: -0.04em;
    }

    .subtitle {
      max-width: 56ch;
      margin: 0;
      color: var(--muted);
      font-size: 1rem;
      line-height: 1.5;
    }

    .controls {
      display: grid;
      gap: 18px;
    }

    .tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tab {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 16px;
      border: 1px solid rgba(30, 28, 24, 0.12);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.55);
      color: var(--muted);
      font-size: 0.95rem;
      font-weight: 600;
      text-decoration: none;
      font-family: inherit;
      transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
      cursor: pointer;
    }

    .tab:hover,
    .tab:focus-visible {
      outline: none;
      border-color: rgba(184, 76, 42, 0.32);
      background: rgba(255, 255, 255, 0.8);
      color: var(--text);
    }

    .tab.active {
      background: #1e1c18;
      border-color: #1e1c18;
      color: #fffdf8;
    }

    .toolbar {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: end;
      justify-content: space-between;
    }

    .field-group {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
    }

    .field-group-wide {
      width: min(100%, 520px);
    }

    label {
      display: grid;
      gap: 6px;
      font-size: 0.85rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--muted);
    }

    select,
    button {
      border: 1px solid var(--border);
      border-radius: 14px;
      min-height: 44px;
      background: var(--surface-strong);
      color: var(--text);
      font: inherit;
    }

    select {
      min-width: 120px;
      padding: 0 14px;
    }

    .text-input {
      width: min(100%, 360px);
      border: 1px solid var(--border);
      border-radius: 14px;
      min-height: 44px;
      padding: 0 14px;
      background: var(--surface-strong);
      color: var(--text);
      font: inherit;
    }

    button {
      padding: 0 16px;
      cursor: pointer;
      transition: transform 120ms ease, border-color 120ms ease, background-color 120ms ease;
    }

    button:hover,
    button:focus-visible,
    select:focus-visible,
    .text-input:focus-visible,
    .letter-box:focus-visible {
      outline: none;
      position: relative;
      z-index: 1;
      box-shadow: inset 0 0 0 2px #f4c15d;
    }

    button:hover {
      transform: translateY(-1px);
    }

    .boxes {
      display: flex;
      flex-wrap: wrap;
      gap: 0;
      align-items: flex-start;
    }

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

    .letter-box {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 54px;
      height: 54px;
      margin-right: -1px;
      border: 1px solid #111;
      border-radius: 0;
      background: #fff;
      text-align: center;
      line-height: 1;
      font-family: "Roboto Mono", "SFMono-Regular", "Cascadia Code", "Liberation Mono", "Courier New", monospace;
      font-size: 1.45rem;
      font-weight: 700;
      text-transform: uppercase;
      color: #111;
      caret-color: #111;
      padding: 0;
      vertical-align: top;
    }

    .letter-box.filled {
      background: #fff;
      caret-color: transparent;
    }

    .letter-box.filled:focus,
    .letter-box.filled:focus-visible {
      text-decoration: underline;
      text-decoration-thickness: 2px;
      text-underline-offset: 0.14em;
    }

    .content {
      border-top: 1px solid var(--border);
    }

    .results {
      padding: 28px;
      min-width: 0;
    }

    .section-label {
      margin: 0 0 12px;
      font-size: 0.8rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .results-header {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
      align-items: baseline;
      margin-bottom: 18px;
    }

    .summary {
      margin: 0;
      color: var(--muted);
    }

    .candidate-list {
      margin: 0;
      padding-left: 0;
      list-style: none;
      display: grid;
      gap: 8px;
      font-family: "Roboto Mono", "SFMono-Regular", "Cascadia Code", "Liberation Mono", "Courier New", monospace;
    }

    .candidate {
      padding: 0;
      font-size: 1.08rem;
      line-height: 1.3;
      letter-spacing: 0.08em;
      font-weight: 700;
      text-transform: uppercase;
    }

    .answer-groups {
      display: grid;
      gap: 18px;
    }

    .answer-group {
      display: grid;
      gap: 10px;
    }

    .answer-group-title {
      margin: 0;
      color: var(--muted);
    }

    .answer-group-list {
      margin: 0;
      padding-left: 24px;
      list-style: none;
      display: grid;
      gap: 10px;
    }

    .empty {
      padding: 22px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.62);
      color: var(--muted);
      border: 1px dashed rgba(30, 28, 24, 0.15);
    }

    @media (max-width: 640px) {
      main {
        width: min(100% - 20px, 1080px);
        padding: 20px 0 28px;
      }

      .hero,
      .results {
        padding: 20px;
      }

      .letter-box {
        width: 44px;
        height: 44px;
        font-size: 1.15rem;
      }

      .text-input {
        width: 100%;
      }
    }