:root{
    --bg:#08080f;
    --bg-2:#0f0f1c;
    --card:#12121f;
    --card-border:#23233a;
    --lime:#c6ff3a;
    --pink:#ff2ee6;
    --cyan:#28e0ff;
    --text:#eceaf5;
    --muted:#8d8ba8;
    --font-display:'Orbitron', sans-serif;
    --font-body:'Inter', sans-serif;
    --font-mono:'Share Tech Mono', monospace;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html,body{
    background:var(--bg);
    color:var(--text);
    font-family:var(--font-body);
    min-height:100vh;
    overflow-x:hidden;
  }
  body{
    background:
      radial-gradient(circle at 15% 0%, rgba(198,255,58,0.10), transparent 40%),
      radial-gradient(circle at 90% 10%, rgba(255,46,230,0.12), transparent 45%),
      radial-gradient(circle at 50% 100%, rgba(40,224,255,0.08), transparent 50%),
      var(--bg);
    padding-bottom:90px;
  }
  a{color:inherit;}

  /* ---------- topbar ---------- */
  header.topbar{
    display:flex; align-items:center; justify-content:space-between;
    padding:18px 20px;
    max-width:880px; margin:0 auto;
  }
  .brand{
    display:flex; align-items:center; gap:10px;
    font-family:var(--font-display);
    font-weight:900;
    font-size:clamp(16px,4vw,20px);
    letter-spacing:0.5px;
  }
  .brand .dot{
    width:10px; height:10px; border-radius:50%;
    background:var(--lime);
    box-shadow:0 0 10px var(--lime), 0 0 20px var(--lime);
    animation:pulse 1.8s ease-in-out infinite;
  }
  @keyframes pulse{
    0%,100%{opacity:1; transform:scale(1);}
    50%{opacity:.5; transform:scale(1.3);}
  }
  .badge-live{
    font-family:var(--font-mono);
    font-size:11px;
    color:var(--muted);
    border:1px solid var(--card-border);
    padding:4px 10px;
    border-radius:20px;
    background:rgba(255,255,255,0.02);
  }

  /* ---------- hero ---------- */
  .hero{
    max-width:880px; margin:10px auto 28px; padding:0 20px;
    text-align:center;
  }
  .hero h1{
    font-family:var(--font-display);
    font-weight:900;
    font-size:clamp(30px,8vw,52px);
    line-height:1.05;
    background:linear-gradient(90deg,var(--lime),var(--cyan) 45%,var(--pink));
    background-size:200% auto;
    -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
    animation:shimmer 5s linear infinite;
    text-transform:uppercase;
  }
  @keyframes shimmer{
    0%{background-position:0% center;}
    100%{background-position:200% center;}
  }
  .hero p{
    color:var(--muted);
    font-size:clamp(13px,3.6vw,15.5px);
    margin-top:10px;
    max-width:520px;
    margin-left:auto; margin-right:auto;
  }

  /* ---------- shell / card ---------- */
  main{max-width:880px; margin:0 auto; padding:0 16px;}
  .card{
    background:linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.015));
    border:1px solid var(--card-border);
    border-radius:20px;
    padding:18px;
    backdrop-filter:blur(6px);
  }

  /* ---------- mode switch ---------- */
  .switcher{
    display:flex; align-items:center; justify-content:center; gap:14px;
    margin-bottom:16px;
  }
  .switcher .label{
    font-family:var(--font-mono);
    font-size:12px;
    color:var(--muted);
    min-width:78px;
    text-align:center;
    transition:.25s;
  }
  .switcher .label.active{color:var(--text); text-shadow:0 0 12px currentColor;}
  .switcher .label.left.active{color:var(--cyan);}
  .switcher .label.right.active{color:var(--pink);}

  .toggle{
    width:64px; height:34px;
    background:var(--card);
    border:1px solid var(--card-border);
    border-radius:20px;
    position:relative;
    cursor:pointer;
    flex-shrink:0;
  }
  .toggle .knob{
    position:absolute; top:3px; left:3px;
    width:26px; height:26px; border-radius:50%;
    background:linear-gradient(135deg,var(--cyan),var(--pink));
    box-shadow:0 0 10px rgba(255,46,230,0.6);
    transition:transform .25s cubic-bezier(.4,0,.2,1);
  }
  .toggle.on .knob{transform:translateX(30px);}

  /* ---------- textareas ---------- */
  .field{
    display:flex; flex-direction:column; gap:8px; margin-bottom:14px;
  }
  .field .field-head{
    display:flex; justify-content:space-between; align-items:center;
    font-family:var(--font-mono); font-size:11px; color:var(--muted);
    text-transform:uppercase; letter-spacing:1px;
  }
  textarea{
    width:100%;
    min-height:110px;
    resize:vertical;
    background:var(--bg-2);
    border:1px solid var(--card-border);
    border-radius:14px;
    padding:14px;
    color:var(--text);
    font-family:var(--font-body);
    font-size:15px;
    line-height:1.5;
    outline:none;
    transition:border-color .2s, box-shadow .2s;
  }
  textarea:focus{
    border-color:var(--cyan);
    box-shadow:0 0 0 3px rgba(40,224,255,0.15);
  }
  textarea::placeholder{color:#54536e;}

  .charcount{font-family:var(--font-mono); font-size:11px; color:var(--muted);}

  /* ---------- actions ---------- */
  .actions{
    display:flex; gap:10px; flex-wrap:wrap; margin-bottom:16px;
  }
  button{
    font-family:var(--font-body);
    font-weight:600;
    font-size:14px;
    border:none;
    border-radius:12px;
    padding:12px 18px;
    cursor:pointer;
    display:inline-flex; align-items:center; gap:8px;
    transition:transform .15s ease, filter .15s ease;
  }
  button:active{transform:scale(0.96);}
  .btn-primary{
    flex:1;
    justify-content:center;
    background:linear-gradient(90deg,var(--lime),var(--cyan));
    color:#03130a;
    font-weight:700;
    min-width:160px;
  }
  .btn-primary:hover{filter:brightness(1.08);}
  .btn-ghost{
    background:transparent;
    border:1px solid var(--card-border);
    color:var(--muted);
  }
  .btn-ghost:hover{color:var(--text); border-color:var(--cyan);}

  /* ---------- output ---------- */
  .output-box{
    background:var(--bg-2);
    border:1px dashed var(--card-border);
    border-radius:14px;
    padding:16px;
    min-height:80px;
    font-family:var(--font-mono);
    font-size:15px;
    line-height:1.6;
    color:var(--lime);
    word-wrap:break-word;
  }
  .output-box.empty{color:#4a4964; font-style:italic; font-family:var(--font-body);}
  .output-actions{
    display:flex; gap:8px; justify-content:flex-end; margin-top:10px;
  }
  .icon-btn{
    background:rgba(255,255,255,0.04);
    border:1px solid var(--card-border);
    color:var(--muted);
    width:38px; height:38px;
    border-radius:10px;
    display:flex; align-items:center; justify-content:center;
    padding:0;
  }
  .icon-btn:hover{color:var(--cyan); border-color:var(--cyan);}
  .toast{
    position:fixed; bottom:100px; left:50%; transform:translateX(-50%) translateY(20px);
    background:var(--card); border:1px solid var(--cyan);
    color:var(--text); font-family:var(--font-mono); font-size:12px;
    padding:10px 18px; border-radius:30px;
    opacity:0; pointer-events:none;
    transition:.25s;
    z-index:50;
    white-space:nowrap;
  }
  .toast.show{opacity:1; transform:translateX(-50%) translateY(0);}

  /* ---------- rizz meter ---------- */
  .rizz{
    margin-top:18px;
    padding-top:16px;
    border-top:1px solid var(--card-border);
  }
  .rizz-head{
    display:flex; justify-content:space-between; align-items:baseline;
    font-family:var(--font-mono); font-size:11px; color:var(--muted);
    text-transform:uppercase; letter-spacing:1px; margin-bottom:8px;
  }
  .rizz-tag{
    font-family:var(--font-display);
    font-size:13px;
    font-weight:700;
    color:var(--pink);
  }
  .rizz-bar{
    height:10px;
    border-radius:20px;
    background:var(--bg-2);
    border:1px solid var(--card-border);
    overflow:hidden;
  }
  .rizz-fill{
    height:100%;
    width:0%;
    background:linear-gradient(90deg,var(--cyan),var(--lime),var(--pink));
    background-size:300% 100%;
    animation:shimmer 3s linear infinite;
    transition:width .4s cubic-bezier(.4,0,.2,1);
    border-radius:20px;
  }

  /* ---------- history & glossary ---------- */
  section.panel{margin-top:18px;}
  .panel-head{
    display:flex; justify-content:space-between; align-items:center;
    margin-bottom:10px;
  }
  .panel-head h2{
    font-family:var(--font-display);
    font-size:15px;
    letter-spacing:0.5px;
    color:var(--text);
  }
  .link-btn{
    background:none; border:none; color:var(--cyan);
    font-family:var(--font-mono); font-size:11px; cursor:pointer; padding:4px 0;
  }
  .history-list{display:flex; flex-direction:column; gap:8px;}
  .history-item{
    background:var(--bg-2);
    border:1px solid var(--card-border);
    border-radius:12px;
    padding:10px 12px;
    font-size:13px;
  }
  .history-item .from{color:var(--muted); font-family:var(--font-mono); font-size:11px;}
  .history-item .to{color:var(--lime); margin-top:3px; font-family:var(--font-mono);}
  .empty-state{
    color:var(--muted); font-size:13px; text-align:center; padding:20px 0;
  }

  .glossary-grid{
    display:grid; grid-template-columns:1fr 1fr; gap:10px;
  }
  @media(max-width:520px){ .glossary-grid{grid-template-columns:1fr;} }
  .gterm{
    background:var(--bg-2); border:1px solid var(--card-border);
    border-radius:12px; padding:10px 12px;
  }
  .gterm .word{
    font-family:var(--font-mono); color:var(--pink); font-size:13px; font-weight:700;
  }
  .gterm .def{font-size:12.5px; color:var(--muted); margin-top:3px; line-height:1.4;}

  #glossaryPanel{display:none;}
  #glossaryPanel.show{display:block;}
  #historyPanel.hide{display:none;}

  /* ---------- footer ---------- */
  footer{
    max-width:880px; margin:34px auto 0; padding:0 20px;
    text-align:center;
  }
  .crown{
    font-family:var(--font-display);
    font-size:12px;
    color:var(--muted);
    letter-spacing:1px;
  }
  .crown .crown-emoji{
    display:inline-block;
    animation:spin 4s linear infinite;
  }
  @keyframes spin{
    0%,100%{transform:rotate(-8deg);}
    50%{transform:rotate(8deg);}
  }

  /* ---------- trakteer floating btn ---------- */
  .trakteer-fab{
    position:fixed; right:16px; bottom:16px; z-index:60;
    display:flex; align-items:center; gap:8px;
    background:linear-gradient(90deg,var(--pink),var(--cyan));
    color:#0a0a12; font-weight:700; font-size:13px;
    padding:12px 16px; border-radius:30px;
    text-decoration:none;
    box-shadow:0 4px 20px rgba(255,46,230,0.35);
    animation:float 3s ease-in-out infinite;
  }
  @keyframes float{
    0%,100%{transform:translateY(0);}
    50%{transform:translateY(-6px);}
  }

  @media(max-width:480px){
    .trakteer-fab span.long{display:none;}
    header.topbar{padding:14px 16px;}
  }