:root{
      --md-primary:#1B4580;
      --md-primary-dark:#11305c;
      --md-primary-container:rgba(27,69,128,.08);
      --md-orange:#F98012;
      --md-orange-dark:#E06D00;
      --md-secondary:#5f6368;
      --md-surface:#ffffff;
      --md-surface-variant:#F5F7FA;
      --md-outline:rgba(32,33,36,.08);
      --md-outline-strong:rgba(32,33,36,.18);
      --md-text:#202124;
      --md-muted:#5d636e;
      --md-error:#b3261e;
      --md-success:#188038;
      --md-warning:#F98012;
      --md-purple:#7b1fa2;
      --md-radius:16px;
      --md-shadow:0 1px 2px rgba(32,33,36,.04),0 22px 48px -28px rgba(27,69,128,.30);
      --md-shadow-strong:0 30px 80px -36px rgba(27,69,128,.48);
    }
    *{box-sizing:border-box;margin:0;padding:0}
    body{font-family:'Manrope',system-ui,sans-serif;background:#fff;color:var(--md-text);min-height:100vh;padding:0}
    .container{max-width:980px;margin:0 auto;position:relative;padding:clamp(34px,5vw,64px) 1rem}
    .audit-header{margin-bottom:1.5rem;padding:18px 2px 12px}
    .audit-kicker{display:inline-flex;align-items:center;gap:8px;margin-bottom:12px;padding:7px 14px;border-radius:999px;background:rgba(249,128,18,.10);border:1px solid rgba(27,69,128,.12);font-size:13px;font-weight:800;color:var(--md-primary)}
    .audit-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--md-orange);box-shadow:0 0 0 4px rgba(249,128,18,.18)}
    header h1{font-family:'Sora',sans-serif;font-size:clamp(34px,6vw,58px);line-height:1.03;font-weight:800;color:var(--md-text);margin-bottom:14px;letter-spacing:0;text-wrap:balance}
    header p{font-size:18px;color:var(--md-muted);line-height:1.55;max-width:700px}
    .card{background:var(--md-surface);border:1px solid rgba(27,69,128,.10);border-radius:20px;padding:clamp(22px,3vw,30px);margin-bottom:18px;box-shadow:0 1px 2px rgba(32,33,36,.04),0 28px 70px -42px rgba(27,69,128,.42)}
    .card-title{font-family:'Sora',sans-serif;font-size:12px;font-weight:800;color:var(--md-primary);text-transform:uppercase;letter-spacing:.10em;margin-bottom:16px}

    /* Tabs fuente */
    .source-tabs{display:flex;gap:8px;margin-bottom:18px;background:#F5F7FA;border:1px solid rgba(27,69,128,.08);border-radius:16px;padding:5px}
    .source-tab{flex:1;padding:12px 14px;font-size:14px;border:1px solid transparent;border-radius:12px;background:transparent;color:var(--md-primary-dark);cursor:pointer;text-align:center;transition:background .18s,box-shadow .18s,color .18s,border-color .18s;font-weight:800}
    .source-tab.active{background:var(--md-primary);color:#fff;border-color:var(--md-primary);box-shadow:0 16px 32px -20px rgba(27,69,128,.7)}
    .source-panel{display:none}
    .source-panel.active{display:block}
    .panel-help{font-size:14px;color:var(--md-muted);line-height:1.55;margin-bottom:12px}
    .url-row{display:flex;gap:10px;margin-top:10px}
    .url-input{flex:1;font-size:14px;color:var(--md-text);border:1px solid rgba(27,69,128,.16);border-radius:14px;background:#F8FAFC;padding:13px 15px;outline:none;font-family:inherit;transition:border-color .18s,box-shadow .18s,background .18s}
    .url-input:focus,select:focus,textarea:focus{border-color:var(--md-primary);box-shadow:0 0 0 4px rgba(27,69,128,.12);background:#fff}
    .btn-load-url,.btn-select,.btn-download,.btn-auth-secondary,.btn-auth-primary,.btn-auth-text{border:none;border-radius:999px;cursor:pointer;font-family:inherit;font-weight:600;transition:background .15s,box-shadow .15s,transform .15s}
    .btn-load-url{padding:0 20px;font-size:14px;background:var(--md-primary);color:#fff;white-space:nowrap;box-shadow:0 12px 26px -14px rgba(27,69,128,.6)}
    .btn-load-url:hover,.btn-auth-primary:hover{background:var(--md-primary-dark);box-shadow:0 14px 28px -16px rgba(27,69,128,.7)}
    .btn-audit:hover{background:var(--md-orange-dark);box-shadow:0 18px 34px -16px rgba(249,128,18,.7)}
    .btn-load-url:disabled,.btn-auth-primary:disabled{background:#B9C5D7;cursor:not-allowed;box-shadow:none}
    .auth-summary{margin-top:12px;display:none;align-items:center;gap:8px;color:var(--md-success);font-size:13px;background:#e6f4ea;border:1px solid #ceead6;border-radius:12px;padding:10px 12px}
    .auth-summary.visible{display:flex}

    /* Drop zone */
    .drop-zone{border:1.5px dashed rgba(27,69,128,.32);border-radius:18px;padding:clamp(28px,5vw,46px) 1rem;text-align:center;background:#F8FAFC;cursor:pointer;transition:background .2s,border-color .2s,box-shadow .2s,transform .2s}
    .drop-zone:hover{background:#F5F7FA;border-color:var(--md-primary);box-shadow:0 24px 54px -38px rgba(27,69,128,.48);transform:translateY(-1px)}
    .drop-zone p{font-size:15px;color:var(--md-text);margin-bottom:5px;font-weight:800}
    .drop-zone small{font-size:12.5px;color:var(--md-muted)}
    #fileInput{display:none}
    .btn-select{margin-top:14px;padding:10px 18px;font-size:13px;border:1px solid rgba(27,69,128,.16);background:#fff;color:var(--md-primary);box-shadow:0 14px 30px -24px rgba(27,69,128,.5)}
    .btn-select:hover,.btn-download:hover,.btn-auth-secondary:hover,.btn-auth-text:hover{background:var(--md-primary-container)}
    .file-info{display:none;margin-top:12px;background:var(--md-surface-variant);border:1px solid var(--md-outline);border-radius:14px;padding:12px 14px;align-items:center;gap:10px}
    .file-info.visible{display:flex}
    .file-details{flex:1}
    .file-name{font-size:13px;font-weight:600;color:var(--md-text)}
    .file-chars{font-size:12px;color:var(--md-muted)}
    .progress-bar{width:84px;height:6px;background:#DCE6F2;border-radius:999px;overflow:hidden}
    .progress-fill{height:100%;background:var(--md-primary);border-radius:999px;transition:width .3s}

    /* Formulario */
    .grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
    @media(max-width:500px){.grid-2{grid-template-columns:1fr}}
    .field-label{font-size:12px;color:var(--md-muted);display:block;margin-bottom:6px;font-weight:600}
    select,textarea{width:100%;font-size:14px;color:var(--md-text);border:1px solid rgba(27,69,128,.16);border-radius:14px;background:#F8FAFC;padding:12px 14px;outline:none;font-family:inherit;transition:border-color .18s,box-shadow .18s,background .18s}
    textarea{resize:vertical;min-height:64px}
    .checks-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px;margin-bottom:16px}
    .checks-grid label{position:relative;display:flex;align-items:center;gap:10px;min-height:46px;font-size:13px;color:var(--md-text);cursor:pointer;line-height:1.35;background:#F8FAFC;border:1px solid rgba(27,69,128,.10);border-radius:14px;padding:12px 13px;transition:background .18s,border-color .18s,box-shadow .18s,transform .18s}
    .checks-grid label:hover{border-color:rgba(27,69,128,.28);box-shadow:0 16px 34px -28px rgba(27,69,128,.5);transform:translateY(-1px)}
    .checks-grid input{appearance:none;flex:none;width:18px;height:18px;border-radius:6px;border:1.5px solid rgba(27,69,128,.35);background:#fff;display:grid;place-items:center}
    .checks-grid input:checked{background:var(--md-primary);border-color:var(--md-primary)}
    .checks-grid input:checked::after{content:"";width:8px;height:5px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg);margin-top:-2px}
    .checks-grid label:has(input:checked){background:rgba(27,69,128,.07);border-color:rgba(27,69,128,.34)}
    .bloom-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    .bloom-grid label{position:relative;display:flex;min-height:112px;font-size:13px;cursor:pointer;background:#fff;border-radius:18px;padding:18px 16px 16px;border:1px solid rgba(27,69,128,.14);color:var(--md-text);box-shadow:0 1px 2px rgba(32,33,36,.04),0 24px 54px -40px rgba(27,69,128,.5);transition:background .2s,border-color .2s,box-shadow .2s,transform .2s,color .2s}
    .bloom-grid label:hover{transform:translateY(-2px);border-color:rgba(27,69,128,.36);box-shadow:0 24px 60px -34px rgba(27,69,128,.58)}
    .bloom-grid input{position:absolute;inset:14px 14px auto auto;appearance:none;width:22px;height:22px;border-radius:50%;border:1.5px solid rgba(27,69,128,.34);background:#fff;display:grid;place-items:center}
    .bloom-grid input:checked{background:#fff;border-color:#fff}
    .bloom-grid input:checked::after{content:"";width:10px;height:10px;border-radius:50%;background:var(--md-orange)}
    .bloom-grid label:has(input:checked){background:var(--md-primary);border-color:var(--md-primary);color:#fff;box-shadow:0 28px 64px -32px rgba(27,69,128,.76)}
    .bloom-grid label:has(input:checked) .bloom-level{color:rgba(255,255,255,.78)}
    .bloom-label{display:block;padding-right:26px;font-family:'Sora',sans-serif;font-weight:800;font-size:15px;color:inherit}
    .bloom-level{display:block;margin-top:7px;font-size:12px;line-height:1.45;color:var(--md-muted)}
    .section-divider{border-top:1px solid rgba(27,69,128,.10);padding-top:18px;margin-top:14px}
    .section-subtitle{font-family:'Sora',sans-serif;font-size:12px;color:var(--md-primary);font-weight:800;margin-bottom:12px;display:flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.08em}
    .dot{width:8px;height:8px;border-radius:50%;background:var(--md-primary);display:inline-block}

    /* Botón principal */
    .btn-audit{width:100%;padding:15px;font-size:16px;font-weight:800;background:var(--md-orange);border:none;color:#fff;border-radius:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:background .2s,box-shadow .2s,transform .2s;margin-bottom:1rem;box-shadow:0 14px 30px -10px rgba(249,128,18,.55)}
    .btn-audit:disabled{background:#B9C5D7;cursor:not-allowed;box-shadow:none}
    .loading{display:none;text-align:center;padding:2rem}
    .loading.visible{display:block}
    .spinner{width:36px;height:36px;border:3px solid #DCE6F2;border-top-color:var(--md-primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 12px}
    @keyframes spin{to{transform:rotate(360deg)}}
    .loading p{font-size:14px;color:var(--md-muted)}
    .error-box{display:none;background:#fce8e6;border:1px solid #f4b9b3;border-radius:12px;padding:12px 16px;font-size:13px;color:var(--md-error);margin-bottom:1rem}
    .error-box.visible{display:block}

    /* Resultados */
    .results{display:none}
    .results.visible{display:block;border-top:5px solid var(--md-primary)}
    .results-header{margin-bottom:1rem}
    .results-header-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
    .download-btns{display:flex;gap:8px;flex-wrap:wrap}
    .btn-download{font-size:12px;padding:7px 14px;border:1px solid var(--md-outline);background:#fff;color:var(--md-primary);display:flex;align-items:center;gap:4px}
    .btn-improve{width:100%;padding:12px 14px;font-size:13px;font-weight:800;background:var(--md-orange);border:none;color:#fff;border-radius:14px;cursor:pointer;display:none;align-items:center;justify-content:center;gap:6px;transition:background .2s;margin-top:4px}
    .btn-improve:hover{background:var(--md-orange-dark)}
    .btn-improve:disabled{background:#FAD6B4;cursor:not-allowed}

    /* Métricas */
    .metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:8px;margin-bottom:1rem}
    .metric-card{background:var(--md-primary);border:1px solid var(--md-primary);border-radius:14px;padding:14px;text-align:center;box-shadow:0 18px 34px -22px rgba(27,69,128,.55)}
    .metric-label{font-size:12px;color:var(--md-muted);margin-bottom:4px}
    .metric-card .metric-label{color:rgba(255,255,255,.76)}
    .metric-value{font-size:22px;font-weight:800;color:#fff}

    /* Bloom bars */
    .bloom-bars{margin-bottom:1rem}
    .bloom-bars-title{font-size:12px;color:#1B4580;font-weight:600;margin-bottom:8px}
    .bar-row{display:flex;align-items:center;gap:8px;margin-bottom:6px}
    .bar-name{font-size:12px;color:#1B4580;width:82px;flex-shrink:0}
    .bar-track{flex:1;height:6px;background:#DCE6F2;border-radius:3px;overflow:hidden}
    .bar-fill{height:100%;border-radius:3px;transition:width .6s ease}
    .bar-pct{font-size:12px;width:32px;text-align:right;flex-shrink:0}

    /* Items de resultados */
    .result-section-title{font-size:11px;font-weight:700;color:#1B4580;text-transform:uppercase;letter-spacing:.05em;margin:12px 0 6px;padding-bottom:4px;border-bottom:0.5px solid #DCE6F2}
    .result-items{display:flex;flex-direction:column;gap:8px}
    .result-item{border-radius:0 8px 8px 0;padding:10px 14px;background:#F5F7FA;display:flex;gap:10px;align-items:flex-start}
    .result-item.positive{border-left:3px solid #1B4580}
    .result-item.negative{border-left:3px solid #e24b4a}
    .result-item.warning{border-left:3px solid #1B4580}
    .result-item.linguistic{border-left:3px solid #7c3aed;background:#f5f0ff}
    .result-item-num.ling{color:#7c3aed}
    .result-item-num{font-size:13px;font-weight:700;color:#1B4580;min-width:20px;flex-shrink:0}
    .result-item-num.neg{color:#e24b4a}
    .result-item-num.warn{color:#1B4580}
    .result-item-body{flex:1}
    .result-item-title{font-size:13px;font-weight:600;color:#11305c;margin-bottom:3px}
    .result-item-desc{font-size:12px;color:#1B4580;line-height:1.5}
    .insight-panel{border:0.5px solid #DCE6F2;border-radius:8px;background:#fff;margin-bottom:12px;overflow:hidden}
    .insight-panel.quiz{border-color:#c7b8ea}
    .insight-panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#F5F7FA;border-bottom:0.5px solid #DCE6F2;padding:9px 12px}
    .insight-panel.quiz .insight-panel-head{background:#f7f4ff;border-bottom-color:#dfd3f7}
    .insight-panel-title{font-size:12px;font-weight:700;color:#1B4580;letter-spacing:.02em}
    .insight-panel.quiz .insight-panel-title{color:#5b2fa3}
    .insight-panel-tag{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#1B4580;background:#fff;border:0.5px solid #DCE6F2;border-radius:999px;padding:2px 8px;white-space:nowrap}
    .insight-panel.quiz .insight-panel-tag{color:#6b21a8;border-color:#d9c9f2}
    .insight-panel-body{font-size:13px;color:#11305c;line-height:1.65;padding:12px 14px}
    .insight-panel.quiz .insight-panel-body{color:#4c1d95}

    /* Plan */
    .plan-section{margin-top:1rem}
    .plan-title{font-size:12px;font-weight:600;color:#1B4580;text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px;display:flex;align-items:center;gap:6px}
    .plan-items{display:flex;flex-direction:column;gap:8px}
    .plan-item{display:flex;gap:12px;background:#FFF4EA;border:0.5px solid #FAD6B4;border-radius:8px;padding:10px 14px}
    .plan-num{font-size:15px;font-weight:700;color:#F98012;min-width:24px}
    .plan-body{}
    .plan-item-title{font-size:13px;font-weight:600;color:#11305c;margin-bottom:2px}
    .plan-badge{display:inline-block;font-size:10px;font-weight:600;padding:1px 7px;border-radius:10px;margin-left:6px;vertical-align:middle}
    .badge-alto{background:#fde8e8;color:#b91c1c}
    .badge-medio{background:#fef3c7;color:#92400e}
    .badge-bajo{background:#F5F7FA;color:#1B4580}

    /* Curso mejorado */
    .improved-card{display:none;background:#fff;border:0.5px solid #FAD6B4;border-radius:12px;padding:1.25rem;margin-top:1rem}
    .improved-card.visible{display:block}
    .improved-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}
    .changes-list{margin-bottom:1rem}
    .change-item{display:flex;gap:8px;font-size:13px;color:#11305c;padding:6px 0;border-bottom:0.5px solid #FAD6B4}
    .change-item:last-child{border-bottom:none}
    .change-dot{color:#F98012;font-weight:700;flex-shrink:0}
    .improved-content{background:#FFF4EA;border:0.5px solid #FAD6B4;border-radius:8px;padding:1rem;font-size:13px;color:#11305c;line-height:1.65;max-height:600px;overflow-y:auto}
    .improved-content h1{font-size:20px;color:#1B4580;margin:0 0 14px}
    .improved-content h2{font-size:17px;color:#1B4580;margin:18px 0 8px}
    .improved-content h3{font-size:15px;color:#1B4580;margin:14px 0 6px}
    .improved-content p{margin:0 0 10px}
    .improved-content ul,.improved-content ol{margin:0 0 12px 22px;padding:0}
    .improved-content li{margin-bottom:5px}
    .improved-content table{width:100%;border-collapse:collapse;margin:12px 0;background:#fff}
    .improved-content th,.improved-content td{border:1px solid #FAD6B4;padding:8px;text-align:left;vertical-align:top}

    /* Popup de progreso — fijo en viewport independientemente del scroll */
    .progress-overlay,.auth-overlay,.lead-overlay,.payment-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(32,33,36,0.46);z-index:9999;align-items:center;justify-content:center;padding:20px}
    .progress-overlay.visible{display:flex}
    .progress-box{background:#fff;border:1px solid var(--md-outline);border-radius:24px;padding:2rem 2.5rem;max-width:380px;width:90%;text-align:center;box-shadow:var(--md-shadow-strong)}
    .progress-title{font-size:17px;font-weight:600;color:var(--md-text);margin:1rem 0 4px}
    .progress-desc{font-size:13px;color:var(--md-muted);margin-bottom:1.2rem}
    .progress-track{height:8px;background:#DCE6F2;border-radius:999px;overflow:hidden;margin-bottom:10px}
    .progress-fill-bar{height:100%;background:var(--md-primary);border-radius:999px;transition:width 1s linear;width:0%}
    .progress-times{display:flex;justify-content:space-between;font-size:12px;color:var(--md-muted)}

    /* Popup de autenticación URL */
    .auth-overlay.visible{display:flex}
    .lead-overlay.visible,.payment-overlay.visible{display:flex}
    .auth-dialog{background:var(--md-surface);border:1px solid var(--md-outline);border-radius:24px;box-shadow:var(--md-shadow-strong);max-width:520px;width:min(100%,520px);padding:0;overflow:hidden}
    .auth-head{padding:24px 24px 16px;border-bottom:1px solid var(--md-outline);background:#fff}
    .auth-icon{width:44px;height:44px;border-radius:14px;background:var(--md-primary-container);color:var(--md-primary);display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:14px}
    .auth-title{font-size:22px;font-weight:500;color:var(--md-text);margin-bottom:8px;letter-spacing:0}
    .auth-desc{font-size:14px;color:var(--md-muted);line-height:1.55}
    .auth-body{padding:20px 24px 8px;display:grid;gap:12px}
    .auth-field label{font-size:12px;color:var(--md-muted);font-weight:700;display:block;margin-bottom:6px}
    .auth-note{background:#fef7e0;border:1px solid #fdd663;border-radius:14px;color:#5f4300;font-size:13px;line-height:1.5;padding:12px}
    .auth-actions{padding:16px 24px 22px;display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}
    .btn-auth-text{background:transparent;color:var(--md-primary);padding:10px 14px}
    .btn-auth-secondary{background:#fff;color:var(--md-primary);border:1px solid var(--md-outline);padding:10px 16px}
    .btn-auth-primary{background:var(--md-primary);color:#fff;padding:10px 18px;box-shadow:0 1px 3px rgba(26,115,232,.3)}
    .payment-card{background:#1B4580;color:#fff;border-radius:18px;padding:16px;margin-top:4px}
    .payment-row{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding:7px 0;border-bottom:1px solid rgba(255,255,255,.15)}
    .payment-row:last-child{border-bottom:none;font-weight:700}
    .stripe-note{font-size:12px;color:#c9e4ff;line-height:1.45;margin-top:10px}

    @media(max-width:560px){
      .container{padding:1rem .75rem}
      header h1{font-size:25px}
      .card{padding:1rem;border-radius:14px}
      .source-tabs{border-radius:18px}
      .source-tab{font-size:13px;padding:9px 8px}
      .url-row{flex-direction:column}
      .btn-load-url{padding:12px 18px}
      .checks-grid{grid-template-columns:1fr}
      .bloom-grid{grid-template-columns:1fr}
      .bloom-grid label{min-height:96px}
      .auth-actions{justify-content:stretch}
      .auth-actions button{width:100%}
    }

    @media(min-width:561px) and (max-width:820px){
      .bloom-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }