/* ============================================================
     TESTER — guess-the-prompt mini-game
     ============================================================ */
  .tester{
    position: relative;
    z-index: 3;
    background: var(--pitch);
    padding: clamp(36px, 4.4vw, 64px) 0 clamp(36px, 4vw, 56px);
    border-bottom: 1px solid var(--line);
  }
  .tester-head{
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: clamp(20px, 2.4vw, 32px);
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
  }
  .tester-head-left{ display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
  .tester-label{
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--signal);
    padding: 4px 9px;
    border: 1px solid rgba(255,89,69,.35);
    background: rgba(255,89,69,.06);
    border-radius: 4px;
    flex: 0 0 auto;
  }
  .tester-head h2{
    margin: 0;
    font-size: clamp(22px, 2.6vw, 34px);
    font-weight: 600;
    letter-spacing: -0.022em;
    color: var(--ink);
    line-height: 1.15;
  }
  .tester-counter{
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--ink-soft);
  }
  .tester-sub{
    margin: 0 0 clamp(18px, 2.4vw, 28px) 0;
    font-size: 14px;
    line-height: 1.55;
    color: var(--ink-soft);
    max-width: 64ch;
  }

  .tester-card{
    background: var(--pitch-raised);
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: clamp(22px, 2.6vw, 32px);
  }
  .tester-card[hidden]{ display: none; }
  .tester-output-label{
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 10px;
  }
  .tester-output{
    margin: 0 0 clamp(20px, 2.6vw, 28px) 0;
    color: var(--ink);
    font-size: clamp(15px, 1.15vw, 18px);
    line-height: 1.6;
    white-space: pre-wrap;
    font-family: var(--font-sans);
  }
  .tester-input-label{
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 8px;
  }
  .tester-textarea{
    display: block;
    width: 100%;
    background: var(--pitch);
    border: 1px solid var(--line);
    border-radius: 4px;
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.5;
    padding: 12px 14px;
    resize: vertical;
    min-height: 90px;
    outline: none;
    transition: border-color var(--dur-base) var(--ease-out-soft);
  }
  .tester-textarea:focus{ border-color: var(--ink-soft); }
  .tester-actions{
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 16px;
    flex-wrap: wrap;
  }
  .tester-btn{
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--ink);
    color: var(--pitch);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: -0.005em;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform var(--dur-micro) var(--ease-out-soft),
                background var(--dur-base) var(--ease-out-soft);
  }
  .tester-btn:hover{ background: #fff; transform: translateY(-1px); }
  .tester-btn:active{ transform: translateY(1px); }
  .tester-btn::before{
    content: "";
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 8px var(--signal);
  }
  .tester-skip{
    background: none;
    border: none;
    color: var(--ink-soft);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .14em;
    text-transform: uppercase;
    cursor: pointer;
    padding: 6px 8px;
  }
  .tester-skip:hover{ color: var(--ink); }


  /* reveal state */
  .tester-score-row{
    display: flex;
    align-items: baseline;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: clamp(18px, 2vw, 24px);
    padding-bottom: clamp(16px, 2vw, 22px);
    border-bottom: 1px solid var(--line);
  }
  .tester-score{
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: clamp(56px, 7vw, 92px);
    letter-spacing: -0.04em;
    line-height: 1;
    color: var(--ink);
  }
  .tester-tier{
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .22em;
    text-transform: uppercase;
    color: var(--ink-soft);
  }
  .tier-cold      { color: var(--ink-faint); }
  .tier-warm      { color: var(--ember); }
  .tier-hot       { color: var(--signal); }
  .tier-burning   { color: var(--signal); }
  .tier-perfect   { color: var(--cool); }
  .tester-meta-row{
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin: 0;
    line-height: 1.7;
  }
  .tester-prompt-label{
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--ink-faint);
    margin-bottom: 8px;
    margin-top: clamp(16px, 2vw, 20px);
  }
  .tester-prompt{
    margin: 0 0 clamp(16px, 2vw, 22px) 0;
    color: var(--ink);
    font-size: clamp(15px, 1.15vw, 18px);
    line-height: 1.55;
    border-left: 2px solid var(--signal);
    padding: 4px 0 4px 16px;
    font-style: italic;
  }
  .tester-matches{
    margin: 0 0 clamp(18px, 2vw, 24px) 0;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .12em;
    color: var(--ink-soft);
    line-height: 1.7;
  }
  .tester-matches b{ color: var(--ink); font-weight: 600; }
  .token-hit{
    display: inline-block;
    background: rgba(255,89,69,.15);
    border-bottom: 1px solid var(--signal);
    color: var(--ink);
    padding: 1px 5px;
    margin: 0 2px;
    border-radius: 2px;
    font-family: var(--font-mono);
    text-transform: lowercase;
  }
  .tester-loading{
    text-align: center;
    padding: 40px 0;
    color: var(--ink-soft);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .18em;
    text-transform: uppercase;
  }

  @media (max-width: 720px){
    .tester-card{ padding: 20px 18px; }
    .tester-score{ font-size: 56px; }
    .tester-output{ font-size: 15px; }
    .tester-prompt{ font-size: 15px; }
  }