:root {
        --bg: #0b0c0e;
        --panel: #15171a;
        --panel-2: #101215;
        --text: #f6f3ef;
        --muted: #a9afb8;
        --line: #2b3036;
        --amber: #f2b84b;
        --teal: #4bc7b0;
        --rose: #e86d79;
        --blue: #70a7ff;
        --green: #82ce7a;
      }

      * { box-sizing: border-box; }
      body {
        margin: 0;
        min-height: 100vh;
        background:
          linear-gradient(180deg, rgba(242, 184, 75, .08), transparent 360px),
          linear-gradient(135deg, #0b0c0e 0%, #111417 48%, #090a0b 100%);
        color: var(--text);
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
        line-height: 1.55;
      }

      button, textarea { font: inherit; }
      button { min-height: 42px; }
      main { width: min(1120px, 94vw); margin: 0 auto; padding: 30px 0 34px; }
      .topbar { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
      .eyebrow { margin: 0 0 4px; color: var(--amber); font-size: 13px; font-weight: 800; }
      h1 { margin: 0; font-size: clamp(38px, 6vw, 72px); line-height: 1; letter-spacing: 0; }
      .subbrand { margin: 8px 0 0; color: var(--muted); font-size: 15px; }
      .subbrand b { color: var(--teal); }
      .ghost, .demo, .actions button, .copyOne {
        border: 1px solid var(--line);
        background: rgba(21, 23, 26, .88);
        color: var(--text);
        cursor: pointer;
      }
      .ghost { border-radius: 8px; padding: 0 14px; white-space: nowrap; }
      .demoGrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin-bottom: 12px; }
      .demo { border-radius: 8px; padding: 12px 10px; transition: .16s ease; }
      .demo:hover, .ghost:hover, .actions button:hover, .copyOne:hover { border-color: #56606b; background: #1c2025; }
      .workspace { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(280px, .85fr); gap: 12px; align-items: stretch; }
      .panel, .meter, .result { border: 1px solid var(--line); border-radius: 8px; background: rgba(21, 23, 26, .9); }
      .panel { padding: 14px; }
      .labelRow { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #e8e4de; margin-bottom: 10px; font-weight: 850; }
      .labelRow span { color: var(--muted); font-size: 13px; }
      textarea {
        width: 100%;
        min-height: 260px;
        resize: vertical;
        background: #0a0b0d;
        color: var(--text);
        border: 1px solid #303640;
        border-radius: 8px;
        padding: 14px;
        outline: none;
      }
      textarea:focus { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(242, 184, 75, .14); }
      .primary {
        width: 100%;
        margin-top: 10px;
        border: 0;
        border-radius: 8px;
        padding: 0 18px;
        background: linear-gradient(135deg, #f2b84b, #e86d79);
        color: #17100b;
        font-weight: 950;
        cursor: pointer;
      }
      .meter { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
      .meterTop { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
      .meterTop span { color: var(--muted); font-weight: 850; }
      .meterTop strong { font-size: 34px; line-height: 1; }
      .bar { height: 10px; overflow: hidden; border-radius: 999px; background: #08090a; border: 1px solid #252a30; }
      .bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--teal), var(--amber), var(--rose)); }
      .meter p { margin: 0; color: #e8e4de; font-size: 18px; font-weight: 850; }
      .meter ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
      .meter li { border-left: 3px solid var(--teal); background: var(--panel-2); padding: 9px 10px; border-radius: 6px; color: #d6d9de; }
      .notice { margin-top: auto; color: var(--muted); font-size: 13px; }
      .results { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
      .result { padding: 14px; min-height: 148px; }
      .resultHead { display: flex; justify-content: space-between; gap: 8px; align-items: center; }
      .titleCol { display: flex; align-items: center; gap: 8px; min-width: 0; }
      .result h3 { margin: 0; font-size: 15px; }
      .spice { display: inline-flex; gap: 3px; }
      .spice i { width: 6px; height: 6px; border-radius: 50%; background: #3a3f46; }
      .spice i.on { background: var(--rose); }
      .result p { font-size: 20px; margin: 16px 0 0; font-weight: 900; }
      .result p.sub { margin: 6px 0 0; font-size: 13px; font-weight: 600; color: var(--muted); }
      .copyOne { width: 36px; min-height: 34px; border-radius: 8px; flex: 0 0 auto; }
      /* Whole-card tap-to-copy affordance. */
      .result[data-copy] { cursor: pointer; transition: border-color .14s ease, transform .06s ease; }
      .result[data-copy]:hover { border-color: #56606b; }
      .result[data-copy]:active { transform: scale(.992); }
      .human { border-color: rgba(112, 167, 255, .42); }
      .subtext { border-color: rgba(242, 184, 75, .42); }
      .belief { border-color: rgba(130, 206, 122, .42); }
      .meme { border-color: rgba(232, 109, 121, .46); background: linear-gradient(180deg, rgba(232, 109, 121, .13), rgba(21, 23, 26, .9)); }
      /* Nuclear = standalone screenshot meme card. 可愛的框，狠的字。 */
      .memeCard { grid-column: 1 / -1; min-height: auto; padding: 26px 24px 20px;
        border: 1px solid rgba(239, 68, 68, .62);
        background: linear-gradient(180deg, rgba(239, 68, 68, .18), rgba(11, 12, 14, .97));
        border-radius: 18px; }
      .memeCard h3 { color: #ff8b8b; font-size: 17px; }
      .memeLine { font-size: clamp(24px, 5.4vw, 38px) !important; line-height: 1.4; margin: 18px 0 22px !important; font-weight: 950; color: #fff; }
      .memeFoot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 4px; }
      .stamp { font-size: 13px; font-weight: 850; color: var(--teal); border: 1px solid rgba(75, 199, 176, .5); border-radius: 999px; padding: 3px 10px; }
      .hint { font-size: 12px; color: var(--muted); }
      .nuclear { grid-column: 1 / -1; }
      .warning { grid-column: 1 / -1; color: var(--muted); font-size: 13px; text-align: center; }
      .actions { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
      .actions button { border-radius: 8px; padding: 0 14px; font-weight: 900; }
      footer { color: var(--muted); text-align: center; margin-top: 22px; font-size: 13px; }
      .toast {
        position: fixed;
        left: 50%;
        bottom: 24px;
        transform: translateX(-50%);
        background: #82ce7a;
        color: #071007;
        font-weight: 950;
        padding: 12px 18px;
        border-radius: 999px;
        box-shadow: 0 12px 40px rgba(0, 0, 0, .42);
      }
      @media (max-width: 820px) {
        main { padding-top: 22px; }
        .topbar { align-items: start; }
        .demoGrid, .workspace, .results { grid-template-columns: 1fr; }
        .demoGrid { grid-template-columns: 1fr 1fr; }
        textarea { min-height: 220px; }
        .actions { grid-template-columns: 1fr; }
        .memeCard { padding: 22px 18px 16px; }
        .memeLine { margin: 14px 0 18px !important; }
      }