:root{--color-turquesa:#00d3cd;--color-verde-caribe:#00db8f;--color-verde-alien:#75d300;--color-negro:#000;--color-bg:#0b0f17;--color-card-bg:#131a26;--color-border:#1e293b;--color-text-main:#f8fafc;--color-text-muted:#94a3b8}body{background:var(--color-bg);color:var(--color-text-main);display:flex;box-sizing:border-box;justify-content:center;align-items: center;min-height:100vh;margin:0;padding:24px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif}.card{background:var(--color-card-bg);border:1px solid var(--color-border);box-sizing:border-box;display:flex;border-radius:16px;flex-direction:column;gap:20px;width:100%;max-width:520px;padding:32px;box-shadow:0 20px 40px #0006,0 0 15px #00d3cd1a}.sentinel-header{border-bottom:1px solid var(--color-border);margin-bottom:8px;padding-bottom:20px}.sentinel-brand-title{color:var(--color-text-main)!important}.sentinel-brand-subtitle{color:var(--color-text-muted)!important}select,button,input,textarea{font:inherit;box-sizing:border-box}select{border:1px solid var(--color-border);color:var(--color-text-main);cursor:pointer;outline:none;background:#0f172a;border-radius:10px;width:100%;padding:14px 16px;transition:border-color .2s,box-shadow .2s}select:focus{border-color:var(--color-turquesa);box-shadow:0 0 0 3px #00d3cd33}.options{display:flex;flex-direction:column;gap:12px;margin-top:8px}.options button{text-align:left;border:1px solid var(--color-border);color:var(--color-text-main);cursor:pointer;background:#192231;border-radius:10px;padding:16px;transition:background .2s,border-color .2s,transform .1s}.options button:hover{border-color:var(--color-turquesa);background:#1e2c40;transform:translateY(-1px)}.btn-primary{background:var(--color-turquesa);color:var(--color-negro);cursor:pointer;border:none;border-radius:10px;width:100%;padding:14px 20px;transition:background .2s,transform .1s;font-weight:700}.btn-primary:hover{background:var(--color-verde-caribe)}.correct{color:var(--color-verde-caribe)}.incorrect{color:#ff5252}.status{text-align:center;color:var(--color-text-muted);margin-top:40px}.error{color:#ff5252}.score{color:var(--color-turquesa);font-size:20px;font-weight:700}progress{overflow:hidden;appearance:none;border-radius:999px;width:100%;height:10px}progress::-webkit-progress-bar{background-color:#1e293b}progress::-webkit-progress-value{background:linear-gradient(90deg,var(--color-turquesa),var(--color-verde-caribe))}progress::-moz-progress-bar{background:linear-gradient(90deg,var(--color-turquesa),var(--color-verde-caribe))}.progress-label{color:var(--color-text-muted);margin:0;font-size:13px;font-weight:600}.radar-chart{display:flex;flex-direction:column;align-items: center;gap:16px}.radar-legend{list-style:none;display:flex;flex-direction:column;gap:8px;width:100%;margin:0;padding:0}.radar-legend li{display:flex;align-items: center;gap:10px;font-size:14px}.radar-legend-number{display:inline-flex;color:var(--color-turquesa);background:#00d3cd26;border-radius:50%;flex-shrink:0;justify-content:center;align-items: center;width:24px;height:24px;font-size:12px;font-weight:700}.radar-legend-label{color:var(--color-text-main);flex:1}.radar-legend-pct{color:var(--color-verde-caribe);font-weight:700}a{color:var(--color-turquesa);text-decoration:none;font-weight:600}a:hover{text-decoration:underline}