:root{
    --cv-purple-900:#3B1266;
    --cv-purple-700:#6C2BD9;
    --cv-purple-500:#8B5CF6;
    --cv-purple-300:#C4A9F5;
    --cv-purple-100:#F1EBFC;
    --cv-ink:#1E1B2E;
    --cv-white:#FFFFFF;
    --cv-line:#E7DEFA;
    --cv-success:#1FA971;
  }

  *{box-sizing:border-box;}

  body{
    background:var(--cv-white);
    color:var(--cv-ink);
    font-family:'Inter',sans-serif;
    min-height:100vh;
  }

  h1,h2,h3,.display-font{
    font-family:'Sora',sans-serif;
  }

  /* NAVBAR */
  .cv-nav{
    border-bottom:1px solid var(--cv-line);
    background:var(--cv-white);
  }
  .cv-nav .container{
    gap:1rem;
  }
  .cv-logo{
    display:inline-flex;
    align-items:center;
    gap:.55rem;
    font-family:'Sora',sans-serif;
    font-weight:700;
    font-size:1.25rem;
    color:var(--cv-ink);
    letter-spacing:-.01em;
  }
  
  .cv-pill{
    font-size:.72rem;
    font-weight:600;
    color:var(--cv-purple-700);
    background:var(--cv-purple-100);
    border:1px solid var(--cv-line);
    padding:.25rem .65rem;
    border-radius:99px;
    letter-spacing:.02em;
  }

  .cv-feature-switcher{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:.5rem;
    flex:1 1 auto;
    flex-wrap:wrap;
  }

  .cv-feature-link{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:2.5rem;
    padding:.55rem .95rem;
    border-radius:999px;
    border:1px solid var(--cv-line);
    background:var(--cv-white);
    color:#5F5775;
    text-decoration:none;
    font-family:'Inter',sans-serif;
    font-size:.88rem;
    font-weight:600;
    transition:border-color .15s ease, color .15s ease, background .15s ease, transform .12s ease;
  }

  .cv-feature-link:hover{
    border-color:var(--cv-purple-300);
    color:var(--cv-purple-700);
    transform:translateY(-1px);
  }

  .cv-feature-link.is-active{
    background:linear-gradient(135deg,var(--cv-purple-700),var(--cv-purple-500));
    border-color:transparent;
    color:var(--cv-white);
    box-shadow:0 10px 24px -18px rgba(108,43,217,.75);
  }

  /* HERO */
  .cv-hero{
    padding:3.5rem 0 1.5rem;
  }
  .cv-eyebrow{
    font-size:.78rem;
    font-weight:600;
    letter-spacing:.08em;
    text-transform:uppercase;
    color:var(--cv-purple-700);
  }
  .cv-hero h1{
    font-size:2.6rem;
    font-weight:800;
    letter-spacing:-.02em;
    line-height:1.08;
    max-width:640px;
  }
  .cv-hero p.lead{
    color:#59536E;
    max-width:520px;
    font-size:1.05rem;
  }
  .cv-hero .accent{
    background:linear-gradient(90deg,var(--cv-purple-700),var(--cv-purple-500));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }

  /* DROPZONE CARD */
  .cv-card{
    background:var(--cv-white);
    border:1px solid var(--cv-line);
    border-radius:22px;
    box-shadow:0 20px 45px -25px rgba(108,43,217,.35);
  }

  .cv-placeholder-card{
    min-height:100%;
    display:flex;
    flex-direction:column;
    justify-content:space-between;
  }

  .cv-placeholder-badge{
    display:inline-flex;
    align-items:center;
    gap:.4rem;
    align-self:flex-start;
    font-size:.75rem;
    font-weight:700;
    letter-spacing:.04em;
    text-transform:uppercase;
    color:var(--cv-purple-700);
    background:var(--cv-purple-100);
    border:1px solid var(--cv-line);
    padding:.35rem .75rem;
    border-radius:999px;
  }

  .cv-placeholder-stage{
    border:1px solid var(--cv-line);
    border-radius:18px;
    background:linear-gradient(180deg,#FBF9FF 0%,#FFFFFF 100%);
    padding:1.2rem;
  }

  .cv-placeholder-visual{
    border-radius:16px;
    border:1px dashed var(--cv-purple-300);
    background:
      radial-gradient(circle at top left, rgba(108,43,217,.12), transparent 34%),
      radial-gradient(circle at bottom right, rgba(139,92,246,.10), transparent 28%),
      var(--cv-white);
    min-height:240px;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    text-align:center;
    padding:1.5rem;
  }

  .cv-placeholder-visual h3{
    margin-bottom:.5rem;
  }

  .cv-placeholder-visual p{
    margin-bottom:0;
    max-width:28rem;
    color:#635D79;
  }

  .cv-placeholder-status{
    margin-top:1rem;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:.5rem;
    color:#6B6480;
    font-size:.88rem;
    font-weight:600;
  }

  .cv-placeholder-status::before{
    content:'';
    width:10px;
    height:10px;
    border-radius:50%;
    background:linear-gradient(135deg,var(--cv-purple-700),var(--cv-purple-500));
    box-shadow:0 0 0 4px rgba(108,43,217,.1);
    flex-shrink:0;
  }

  .cv-dropzone{
    border:2px dashed var(--cv-purple-300);
    border-radius:18px;
    background:var(--cv-purple-100);
    padding:2.4rem 1.5rem;
    text-align:center;
    cursor:pointer;
    transition:border-color .2s ease, background .2s ease, transform .12s ease;
  }
  .cv-dropzone:hover{
    border-color:var(--cv-purple-500);
  }
  .cv-dropzone.dragover{
    border-color:var(--cv-purple-700);
    background:#EADDFB;
    transform:scale(1.005);
  }
  .cv-drop-icon{
    width:52px;height:52px;
    margin:0 auto .9rem;
    border-radius:50%;
    background:var(--cv-white);
    border:1px solid var(--cv-line);
    display:flex;align-items:center;justify-content:center;
  }
  .cv-dropzone h3{
    font-size:1.05rem;
    font-weight:700;
    margin-bottom:.25rem;
  }
  .cv-dropzone p{
    color:#6B6480;
    font-size:.88rem;
    margin-bottom:0;
  }
  .cv-browse-btn{
    background:var(--cv-purple-700);
    border:none;
    color:#fff;
    font-weight:600;
    font-size:.85rem;
    padding:.5rem 1.15rem;
    border-radius:10px;
    margin-top:1rem;
  }
  .cv-browse-btn:hover{background:var(--cv-purple-900);color:#fff;}


  /* FILE ROW */
  .cv-file-row{
    border:1px solid var(--cv-line);
    border-radius:14px;
    padding:.85rem 1rem;
    display:flex;
    align-items:center;
    gap:.85rem;
  }
  .cv-file-icon{
    width:38px;height:38px;
    border-radius:10px;
    background:var(--cv-purple-100);
    display:flex;align-items:center;justify-content:center;
    color:var(--cv-purple-700);
    flex-shrink:0;
  }
  .cv-file-name{
    font-weight:600;
    font-size:.92rem;
    margin-bottom:0;
    word-break:break-all;
  }
  .cv-file-meta{
    font-size:.78rem;
    color:#8A83A0;
  }
  .cv-remove-btn{
    border:none;background:transparent;color:#9A93AF;
    font-size:1.1rem;line-height:1;
  }
  .cv-remove-btn:hover{color:#E5484D;}

  /* STATUS STEPS */
  .cv-status-badge{
    font-size:.75rem;
    font-weight:600;
    padding:.3rem .7rem;
    border-radius:99px;
  }
  .cv-status-idle{background:#F1EFF6;color:#6B6480;}
  .cv-status-processing{background:#FDF0D9;color:#B7791F;}
  .cv-status-done{background:#E4F7EE;color:var(--cv-success);}

  .cv-progress{
    height:8px;
    border-radius:99px;
    background:var(--cv-purple-100);
    overflow:hidden;
  }
  .cv-progress-bar{
    height:100%;
    width:0%;
    background:linear-gradient(90deg,var(--cv-purple-700),var(--cv-purple-500));
    transition:width .25s ease;
  }

  /* ACTION BUTTON */
  .cv-primary-btn{
    background:var(--cv-purple-700);
    border:none;
    color:#fff;
    font-weight:700;
    font-size:.95rem;
    padding:.7rem 1.4rem;
    border-radius:12px;
    transition:background .15s ease, transform .1s ease;
  }
  .cv-primary-btn:hover:not(:disabled){background:var(--cv-purple-900);color:#fff;transform:translateY(-1px);}
  .cv-primary-btn:disabled{background:#D9D2EC;color:#fff;cursor:not-allowed;}

  .cv-ghost-btn{
    background:var(--cv-white);
    border:1px solid var(--cv-line);
    color:var(--cv-ink);
    font-weight:600;
    font-size:.9rem;
    padding:.65rem 1.3rem;
    border-radius:12px;
  }
  .cv-ghost-btn:hover{border-color:var(--cv-purple-500);color:var(--cv-purple-700);}

  audio{
    width:100%;
    height:38px;
  }

  .cv-footer-note{
    font-size:.8rem;
    color:#9992AA;
  }

  .cv-side-list li{
    display:flex;
    gap:.65rem;
    align-items:flex-start;
    margin-bottom:1rem;
    font-size:.9rem;
    color:#4E4763;
  }
  .cv-side-list .dot{
    width:22px;height:22px;
    border-radius:50%;
    background:var(--cv-purple-100);
    color:var(--cv-purple-700);
    display:flex;align-items:center;justify-content:center;
    flex-shrink:0;
    margin-top:.05rem;
  }

  /* LEVEL GRAPH */
  .cv-level-graph-wrap {
    background: #000;
    border-radius: 10px;
    padding: 6px;
    overflow: hidden;
  }
  #levelCanvas {
    display: block;
    width: 100%;
    height: 220px;
  }

  /* SPECTROGRAM */
  .cv-spectrogram-wrap {
    background: #000;
    border-radius: 10px;
    padding: 6px;
    overflow: hidden;
    min-height: 140px;
  }
  .cv-spectrogram-wrap canvas {
    display: block;
    width: 100% !important;
  }