.hx{--ink:#122339;--muted:#53657b;--accent:#086f64;box-sizing:border-box;max-width:1080px;margin:32px auto;padding:clamp(20px,5vw,54px);border:1px solid #dce5e8;border-radius:24px;background:linear-gradient(135deg,#f0faf6,#fff 65%);color:var(--ink);font:16px/1.6 system-ui,-apple-system,Segoe UI,sans-serif;box-shadow:0 18px 60px #102f4210}.hx *{box-sizing:border-box}.hx-top{font-weight:850;letter-spacing:.12em;font-size:14px;color:var(--accent)}.hx-top span{font-weight:500;border-left:1px solid #a8c7bd;margin-left:12px;padding-left:12px;font-size:11px}.hx h2{font-size:clamp(30px,5vw,52px);line-height:1.12;letter-spacing:-.04em;margin:25px 0 20px;font-weight:780}.hx h2 em{color:var(--accent);font-style:normal}.hx p{color:var(--muted);max-width:760px}.hx label{display:block;font-weight:650;margin:22px 0 10px}.hx input,.hx select,.hx textarea{font:inherit;display:block;width:100%;padding:13px 15px;margin-top:8px;border:1px solid #b9cbd0;border-radius:10px;background:#fff;color:var(--ink)}.hx textarea{font-family:ui-monospace,monospace;resize:vertical}.hx input:focus,.hx select:focus,.hx textarea:focus,.hx button:focus-visible,.hx a:focus-visible{outline:3px solid #45bda6;outline-offset:3px}.hx small{display:block;font-size:12px;font-weight:400;margin-top:9px;color:var(--muted)}.hx-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.hx button{cursor:pointer;border:1px solid var(--accent);border-radius:10px;padding:12px 20px;background:#fff;color:var(--accent);font:650 15px system-ui;margin-top:10px}.hx .hx-primary{width:100%;padding:18px 24px;background:var(--accent);color:white;display:flex;justify-content:space-between}.hx button:disabled{opacity:.6;cursor:wait}.hx .hx-consent{font-size:13px;font-weight:400;display:flex;align-items:flex-start;gap:10px}.hx .hx-consent input{width:18px;height:18px;flex-shrink:0;margin-top:3px}.hx-status{padding:12px 16px;background:#eaf3f4;border-radius:8px;font-size:14px}.hx-result{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}.hx-result>div{background:white;border:1px solid #dce5e8;border-radius:12px;padding:14px 20px;flex:1;min-width:120px}.hx-result strong{font-size:28px;display:block}.hx footer{font-size:12px;color:var(--muted);border-top:1px solid #dce5e8;padding-top:20px}.hx a{color:#06695e;text-decoration:underline}@media(max-width:640px){.hx-grid{grid-template-columns:1fr;gap:0}.hx{border-radius:16px;margin:16px auto}.hx-top span{display:block;border:0;margin:5px 0;padding:0}}
.hx [hidden]{display:none!important}.hx-predictor{max-width:1180px;background:#fff;border-color:#d9e9f2;--accent:#0869d8;--ink:#111d49}.hx-predictor h2 em{color:#0876dc}.hx-predictor h3{font-size:24px;line-height:1.25;letter-spacing:-.02em;margin:0}.hx-predictor .hx-grid{gap:22px}.hx-modes{border:1px solid #dce8f2;border-radius:14px;display:flex;flex-wrap:wrap;gap:10px 26px;padding:14px 20px;margin:28px 0}.hx-modes legend{font-size:13px;color:#5c6c82;padding:0 8px}.hx .hx-modes label{display:flex;gap:10px;align-items:center;font-size:14px;margin:0;font-weight:650}.hx .hx-modes input{width:18px;height:18px;margin:0;accent-color:#0876dc}.hx-upload-card{padding:22px;border:1px solid #bce9db;border-radius:18px;background:linear-gradient(145deg,#effcf6,#f7fffc);display:flex;flex-direction:column;min-width:0}.hx-official-card{border-color:#bcdcff;background:linear-gradient(145deg,#eff7ff,#f6faff)}.hx-card-title{display:flex;gap:14px;align-items:center;min-height:70px}.hx-icon{flex:none;background:#00be83;color:white;font-size:38px;display:grid;place-items:center;width:64px;height:64px;border-radius:15px;box-shadow:0 6px 14px #00ab6b20}.hx-official-card .hx-icon{background:#ff737b;box-shadow:0 6px 14px #ef646420}.hx-upload-card>p{font-size:17px;min-height:55px;margin:16px 0}.hx .hx-upload-button{position:relative;overflow:hidden;display:block;text-align:center;color:white;font-size:clamp(18px,2vw,24px);font-weight:650;padding:20px 12px;margin:8px 0;border-radius:13px;border:1px solid #00a4f8;background:linear-gradient(#00b2ff,#0051eb);box-shadow:0 6px 18px #0079db20;cursor:pointer}.hx .hx-upload-button input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;margin:0;padding:0}.hx .hx-upload-button:focus-within{outline:3px solid #154591;outline-offset:3px}.hx-upload-card>small{min-height:42px}.hx-preview{border:1px solid #d7dfe7;border-radius:12px;background:white;padding:10px;margin:20px 0 8px;min-height:285px;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden}.hx-preview img{width:100%;height:265px;object-fit:contain;display:block}.hx-preview small{max-width:100%;overflow-wrap:anywhere;text-align:center}.hx-document-icon{font-size:100px;color:#42a2e1}.hx-cbt{padding:20px;background:#f1f8ff;border:1px solid #c8e3fa;border-radius:14px}.hx-detected{background:#e9f9f1;border:1px solid #b3dfc7;border-radius:10px;color:#12613c;padding:13px 17px;margin-top:22px;font-weight:650}.hx-visual-review{border:1px solid #dce5ee;border-radius:12px;margin:18px 0;padding:16px}.hx-visual-review summary{cursor:pointer;font-weight:650}.hx-visual-review>p{font-size:13px}.hx-answer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:8px 18px;max-height:450px;overflow:auto;padding:8px 4px}.hx-answer-row{display:flex;align-items:center;gap:6px;padding:8px;border-radius:8px;background:#f5f8fb}.hx-answer-row strong{width:26px;font-size:12px;flex:none}.hx .hx-answer-row button{width:30px;height:30px;min-width:0;flex:none;margin:0;padding:0;border:1px solid #b8cbdc;border-radius:50%;font-size:12px;font-weight:600;color:#35506c}.hx .hx-answer-row button[aria-pressed=true]{background:#0876dc;border-color:#0876dc;color:white}.hx-predictor .hx-primary{background:linear-gradient(120deg,#008dff,#064cda);border-color:#0079e6;padding:20px}.hx-saved{background:#f0f8ff;border:1px solid #d5e8fa;border-radius:15px;padding:22px;margin:30px 0}.hx-saved>p{font-size:12px;margin-bottom:14px}.hx-saved-list>p{font-size:14px}.hx-saved-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;border-top:1px solid #d1e3f3;padding:12px 0}.hx .hx-saved-row button{margin:0;font-size:13px;padding:8px 12px;overflow-wrap:anywhere;max-width:100%}.hx-saved-row small{margin:0;flex:1}.hx-saved-row button:last-child{border-color:#c9d5e2;color:#5f6e80;font-size:12px}@media(max-width:700px){.hx-predictor .hx-grid{grid-template-columns:1fr}.hx-upload-card{padding:18px}.hx-card-title h3{font-size:23px}.hx-upload-card>p{min-height:0}.hx-preview img{height:240px}.hx-modes{padding:12px;gap:16px}.hx-saved{padding:16px}.hx-answer-grid{grid-template-columns:1fr}.hx-predictor{padding:20px}}
.hx.hx-predictor{max-width:1180px!important;width:100%}.hx-predictor .hx-upload-card h3{color:#111d49;font-weight:780}.hx-predictor .hx-upload-card small{line-height:1.5}
/* HimExam brand treatment: primary blue sampled from himexam.com, with distinct neutral upload panels. */
.hx.hx-predictor{--accent:#1d5ab2;--ink:#202833;--muted:#5e6b7b;border-radius:18px;background:#fff;border:1px solid #d9e1eb;border-top:5px solid #1d5ab2;box-shadow:0 12px 40px #1b416b0b}.hx-predictor .hx-top{color:#1d5ab2;font-weight:850;letter-spacing:.05em}.hx-predictor h2{font-size:clamp(30px,4vw,46px);color:#202833;letter-spacing:-.035em}.hx-predictor h2 em{color:#1d5ab2}.hx-predictor .hx-upload-card{border:1px solid #d9e1eb;border-top:3px solid #1d5ab2;border-radius:12px;background:#f8fafc;padding:24px}.hx-predictor .hx-official-card{border-top-color:#ebba3f;background:#f8fafc}.hx-predictor .hx-card-title{min-height:62px}.hx-predictor .hx-card-title h3{font-size:22px;color:#202833}.hx-predictor .hx-icon{width:50px;height:50px;border-radius:10px;background:#eaf1fb;color:#1d5ab2;box-shadow:none;font-size:30px}.hx-predictor .hx-official-card .hx-icon{background:#fff5d9;color:#805c09}.hx-predictor .hx-upload-button{border:1px dashed #93add0;background:white;color:#1d5ab2;border-radius:9px;box-shadow:none;font-size:19px;padding:18px 10px}.hx-predictor .hx-upload-button:hover{background:#eaf1fb}.hx-predictor .hx-preview{border-radius:8px;border-color:#e0e5ec}.hx-predictor .hx-primary{background:#1d5ab2;border-color:#1d5ab2;border-radius:9px;box-shadow:0 5px 12px #1d5ab21c}.hx-predictor .hx-primary:hover{background:#174b96}.hx-predictor .hx-saved{border:1px solid #d9e1eb;background:#f8fafc;border-radius:12px}.hx-predictor .hx-saved h3{color:#202833;font-size:21px}.hx-predictor .hx-modes{background:#f8fafc;border-color:#d9e1eb;border-radius:10px}.hx-predictor .hx-status{background:#eef3f9}.hx-predictor .hx-answer-row button[aria-pressed=true]{background:#1d5ab2;border-color:#1d5ab2}.hx-predictor a{color:#1d5ab2}@media(max-width:700px){.hx-predictor .hx-upload-card{padding:18px}.hx-predictor .hx-card-title h3{font-size:20px}}

.hx-predictor .hx-development{background:#fff8e4;border:1px solid #ead09b;border-radius:8px;padding:12px 16px;color:#705416;font-size:13px}

.hx-link-actions{display:flex;flex-wrap:wrap;gap:10px}.hx-link-actions button{margin:0}.hx-link-actions .hx-fetch{background:#1d5ab2;color:white;border-color:#1d5ab2}

.hx-answer-row.hx-uncertain{background:#fff2ce;outline:2px solid #ba7800}.hx-answer-row.hx-uncertain::before{content:"Check this mark";font-size:12px;color:#805000}

.hx-answer-row .hx-mark-crop{display:block;max-width:100%;width:360px;height:auto;grid-column:1/-1;flex-basis:100%;border:1px solid #bb9d58;border-radius:6px}.hx-answer-row.hx-uncertain{flex-wrap:wrap}

.hx-predictor .hx-sheet-preview{gap:8px;min-height:0;padding:10px 12px}.hx-predictor .hx-omr-example-frame{width:100%;height:300px;flex:none;display:flex;align-items:center;justify-content:center;overflow:hidden;border:1px solid #d9e1eb;border-radius:8px;background:#edf1f5}.hx-predictor .hx-sheet-preview .hx-omr-example-frame img{display:block;width:100%;height:100%;object-fit:contain;object-position:center;image-rendering:auto}.hx-predictor .hx-sheet-preview>small{font-size:12px;color:#687486}.hx-predictor .hx-official-preview>img{width:100%;height:285px;object-fit:cover;object-position:center 22%}.hx-predictor .hx-official-preview{padding:8px;background:#fff}

/* Beta3 form rhythm: separate upload panels, notice, consent, and action. */
.hx-predictor .hx-form{display:flex;flex-direction:column;gap:20px}.hx-predictor .hx-upload-card{gap:8px}.hx-predictor .hx-upload-card>p{margin:12px 0;min-height:0}.hx-predictor .hx-preview{margin:12px 0 8px}.hx-predictor .hx-status{margin:0;padding:18px 22px;line-height:1.65}.hx-predictor .hx-consent{margin:0;padding:2px 4px;line-height:1.55;align-items:flex-start}.hx-predictor .hx-consent input{margin:4px 2px 0 0;flex:none}.hx-predictor .hx-primary{width:auto;min-height:58px;align-self:flex-start;justify-content:center;gap:14px;padding:16px 26px;margin:0;font-size:16px}.hx-predictor .hx-result{margin:24px 0}.hx-predictor .hx-saved{margin-top:24px}@media(max-width:700px){.hx-predictor .hx-form{gap:16px}.hx-predictor .hx-primary{width:100%;align-self:stretch}.hx-predictor .hx-consent{font-size:13px}}

.hx-trap{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}

.hx-demographics{border:1px solid #d9e1eb;border-radius:10px;background:#f8fafc;padding:14px 18px}.hx-demographics legend{font-weight:700;padding:0 8px;color:#202833}.hx-demographics .hx-grid{gap:18px}.hx-demographics label{margin:6px 0 0}.hx-demographics small{margin:8px 0 0}

.hx-demographics{border:1px solid #d9e1eb;border-radius:10px;background:#f8fafc;padding:14px 18px}.hx-demographics legend{font-weight:700;padding:0 8px;color:#202833}.hx-demographics .hx-grid{gap:18px}.hx-demographics label{margin:6px 0 0}.hx-demographics small{margin:8px 0 0}

.hx-predictor .hx-result:empty{display:none}.hx-predictor .hx-result:not(:empty){display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:12px;padding:14px;border:1px solid #b8d1f1;border-radius:14px;background:#f6faff;scroll-margin-top:160px}
.hx-predictor .hx-result h3,.hx-predictor .hx-result p{grid-column:1/-1;margin:0}.hx-predictor .hx-result h3{font-size:22px;color:#202833}.hx-predictor .hx-result .hx-result-note{font-size:14px;color:#53657b;max-width:none}.hx-predictor .hx-result .hx-result-metric.is-position{border-color:#1d5ab2;background:#f4f8ff}
.hx-predictor .hx-upload-guidance{grid-column:1/-1;display:flex;align-items:flex-start;gap:8px 18px;flex-wrap:wrap;padding:15px 18px;border:1px solid #83c7bd;border-left:5px solid #0b968e;border-radius:12px;background:#effbf8;color:#183c49;line-height:1.55}.hx-predictor .hx-upload-guidance strong{font-weight:800;color:#0b514f}.hx-predictor .hx-upload-guidance span{flex:1 1 500px;font-size:14px}@media(max-width:640px){.hx-predictor .hx-upload-guidance{padding:14px;gap:5px}.hx-predictor .hx-upload-guidance span{font-size:13px}}
.hx-predictor .hx-progress{position:sticky;top:14px;z-index:30;display:flex;align-items:center;gap:15px;padding:17px 19px;border:1px solid #a7c8e8;border-left:5px solid #1d5ab2;border-radius:12px;background:#edf5ff;color:#163656;box-shadow:0 5px 16px #1d5ab212}.hx-predictor .hx-progress[hidden]{display:none!important}.hx-predictor .hx-progress-wheel{flex:none;width:31px;height:31px;border:4px solid #c5dcf4;border-top-color:#1d5ab2;border-radius:50%;animation:hx-progress-spin .8s linear infinite}.hx-predictor .hx-progress-body{display:flex;flex-direction:column;gap:2px;min-width:0}.hx-predictor .hx-progress-body strong{font-size:15px;line-height:1.25;color:#163656}.hx-predictor .hx-progress-text{font-size:13px;line-height:1.4;color:#43617e;overflow-wrap:anywhere}@keyframes hx-progress-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.hx-predictor .hx-progress-wheel{animation:none;border-color:#1d5ab2}}