*{box-sizing:border-box}:root{--navy:#10233f;--navy2:#193554;--blue:#2f6f9f;--teal:#2f8f8a;--gold:#e7b85c;--bg:#f3f6fa;--line:#d8e0e9;--muted:#66758a;--ink:#172234;--white:#fff;--green:#23836d;--red:#a94a4a}html,body{margin:0;min-height:100%;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg)}button,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}.screen{min-height:100vh}.start-wrap{max-width:1040px;margin:auto;padding:44px 22px}.brandbar{height:56px;display:flex;align-items:center;justify-content:space-between;color:#5b6b80;font-size:11px;font-weight:800;letter-spacing:.1em}.brand{font-size:19px;color:var(--navy)}.brand span{font-size:10px;color:#718096;margin-left:7px}.secure{font-size:9px;color:#718096}.start-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:46px;box-shadow:0 18px 55px rgba(25,45,70,.08)}.eyebrow{font-size:10px;font-weight:900;letter-spacing:.15em;color:#6a7a8f}.start-card h1,.result-top h1{font-size:44px;margin:10px 0 7px}.intro{max-width:760px;color:var(--muted);line-height:1.7;font-size:15px}.sequence{display:grid;grid-template-columns:1fr 50px 1fr;align-items:center;margin:30px 0}.phase{display:flex;align-items:center;gap:14px;padding:18px;border:1px solid var(--line);border-radius:12px;background:#fafbfd}.phase.active{border-color:#9fb5ca;box-shadow:0 0 0 3px #eef4f8}.phase-no{width:35px;height:35px;border-radius:8px;background:var(--navy);color:#fff;display:grid;place-items:center;font-size:11px;font-weight:900}.phase b,.phase small{display:block}.phase small{color:var(--muted);font-size:11px;margin-top:4px}.arrow{text-align:center;color:#8b98a9;font-size:22px}.notice{background:#f4f8fb;border-left:4px solid var(--teal);padding:16px 18px;color:#536276;font-size:12px;line-height:1.6;margin-bottom:24px}.notice p{margin:5px 0 0}.start-btn,.primary{background:var(--navy);color:#fff;border:0;border-radius:8px;padding:14px 19px;font-weight:850;letter-spacing:.02em}.start-btn span{margin-left:18px}.legal{font-size:10px;color:#7b8798;margin-top:14px}.briefing{min-height:100vh;background:radial-gradient(circle at 50% 35%,#203b5d,#0c1728 65%);color:#fff}.brief-inner{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:30px}.brief-inner .eyebrow{color:#9fb2c9}.mic{width:48px;height:48px;border:1px solid #607a98;border-radius:50%;display:grid;place-items:center;margin-bottom:20px;background:#132944}.brief-inner h1{font-size:40px;margin:10px}.brief-inner p{max-width:780px;font-size:18px;line-height:1.8;color:#dbe4ee}.voice-status{font-size:10px;letter-spacing:.12em;color:#9fb2c9;font-weight:800;margin-top:10px}.count{min-height:100px;display:grid;place-items:center;font-size:72px;font-weight:900}.exam{min-height:100vh;background:#eef2f6}.exam-top{height:72px;background:var(--navy);color:#fff;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 26px}.exam-brand b{font-size:19px;letter-spacing:.08em}.exam-brand span{font-size:9px;color:#aebdce;margin-left:10px}.exam-title{text-align:center}.exam-title b,.exam-title small{display:block}.exam-title b{font-size:12px;letter-spacing:.08em}.exam-title small{font-size:9px;color:#aebdce;margin-top:3px}.timer{text-align:right;border-left:1px solid #3a4b62;padding-left:23px}.timer small{display:block;color:#9fb0c5;font-size:8px;letter-spacing:.12em}.timer strong{font-size:25px;letter-spacing:.08em}.exam-layout{max-width:1320px;margin:auto;padding:22px;display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:18px}.crumb{height:35px;display:flex;align-items:center;gap:9px;color:#6e7b8d;font-size:11px}.crumb span:first-child,.tag{background:#e3edf5;color:#245374;padding:6px 9px;border-radius:5px;font-weight:850}.q-head{height:44px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#56657a}.q-head span{font-size:10px;color:var(--green)}.q-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:34px;min-height:470px;box-shadow:0 5px 20px rgba(30,50,70,.04)}.qtext{font-size:21px;line-height:1.65;margin-bottom:24px;max-width:950px}.options{max-width:920px}.opt{display:flex;gap:12px;align-items:flex-start;border:1px solid #cfd8e3;border-radius:9px;padding:14px 16px;margin:10px 0;transition:.15s;background:#fff}.opt:hover{border-color:#7e96ac;background:#fbfdff}.opt.selected{border:2px solid var(--blue);background:#eef6fb}.opt input{margin-top:4px;accent-color:var(--blue)}.opt span{line-height:1.55}.nav-row{display:flex;justify-content:space-between;margin-top:14px}.ghost{background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:12px 16px;font-weight:750;color:#46556a}.nav-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;height:max-content;position:sticky;top:16px}.nav-head{display:flex;justify-content:space-between;font-size:12px;margin-bottom:14px}.nav-head span{color:#748196}.q-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.q-grid button{height:35px;border:1px solid #d1dae4;background:#fff;border-radius:6px;font-size:11px;font-weight:800;color:#4b5a6e}.q-grid button.done{background:#dbe9e5;border-color:#c6ddd6;color:#1f6657}.q-grid button.current{background:var(--navy);color:#fff;border-color:var(--navy)}.legend{display:flex;gap:10px;flex-wrap:wrap;font-size:9px;color:#778497;margin:14px 0}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;border:1px solid #b5c0ce;margin-right:3px}.dot.done{background:#bcd8d1}.dot.current{background:var(--navy)}.finish-btn{width:100%;padding:11px;border:1px solid #d6b7b7;background:#fff;border-radius:8px;color:var(--red);font-weight:850}.write-layout{max-width:1250px;margin:auto;padding:22px;display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:18px}.write-card,.tips{background:#fff;border:1px solid var(--line);border-radius:12px}.write-card{padding:28px}.write-heading{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:17px}.write-heading h2{margin:7px 0 0}.write-rule{text-align:right;font-size:11px;color:#68768a}.hint{font-size:12px;color:#69778a}.topics{display:grid;gap:9px;margin:18px 0}.topic{border:1px solid #cfd8e3;border-radius:9px;padding:13px}.topic.selected{border:2px solid var(--blue);background:#eef6fb}.topic input{accent-color:var(--blue);margin-right:8px}.topic b{font-size:13px}.topic span{display:block;margin:8px 0 0 24px;color:#59687b;font-size:12px;line-height:1.5}.editor-head,.editor-foot{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#68768a}.editor-head{margin-bottom:8px}.editor-head b{color:#263449}textarea{width:100%;min-height:370px;border:1px solid #cbd5e1;border-radius:9px;padding:17px;resize:vertical;outline:0;line-height:1.7;font-size:14px}textarea:focus{border-color:#7392ad;box-shadow:0 0 0 3px #edf4f8}.editor-foot{margin-top:10px}.tips{height:max-content;padding:20px}.tips b{display:block;margin-bottom:12px}.tips div{font-size:11px;color:#627084;padding:11px 0;border-top:1px solid var(--line)}.result-wrap{max-width:1080px;margin:auto;padding:44px 22px}.result-top p{color:var(--muted);font-size:14px}.summary-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:9px;margin:24px 0}.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;text-align:center}.stat span{display:block;color:#748196;font-size:9px}.stat b{display:block;font-size:21px;margin-top:6px;color:var(--navy)}.section-result{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;margin:14px 0}.result-title{display:flex;align-items:center;gap:12px;margin-bottom:16px}.result-title h2{margin:0;font-size:19px}.result-title small{color:#738094}.badge{width:34px;height:34px;background:var(--navy);color:#fff;border-radius:8px;display:grid;place-items:center;font-weight:900}.table{border:1px solid var(--line);border-radius:9px;overflow:hidden}.row{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:6px;padding:10px;border-bottom:1px solid var(--line);font-size:10px}.row:last-child{border-bottom:0}.row.head{background:#f6f8fa;font-weight:850}.meter{height:8px;background:#e8edf2;border-radius:99px;overflow:hidden;margin-top:5px}.meter i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--teal))}.essay-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.essay-item{border:1px solid var(--line);border-radius:9px;padding:12px;background:#fbfcfd}.essay-item b{font-size:11px}.essay-item p{font-size:11px;line-height:1.55;color:#5f6d80;margin:7px 0}.conclusion{background:linear-gradient(135deg,#fff,#eef6f6);border:1px solid #cfe0de;border-left:5px solid var(--teal);border-radius:12px;padding:22px;margin:18px 0}.conclusion h2{margin:8px 0;font-size:20px}.conclusion p{font-size:13px;line-height:1.7;color:#536276}.result-actions{text-align:center;margin:20px}.note{font-size:10px;color:#7a8798}.good{color:var(--green);font-weight:800}.warn{color:#9b6a24;font-weight:800}.bad{color:var(--red);font-weight:800}@media(max-width:900px){.exam-layout,.write-layout{grid-template-columns:1fr}.nav-card{position:static;order:-1}.summary-grid{grid-template-columns:repeat(3,1fr)}.sequence{grid-template-columns:1fr}.arrow{padding:8px}.start-card{padding:28px}.exam-title{display:none}.exam-top{grid-template-columns:1fr auto}.essay-grid{grid-template-columns:1fr}}

/* V6 — polished CBT exam skin */
:root{--navy:#10233f;--navy2:#17385f;--teal:#178f8a;--bg:#f4f7fb;--ink:#17243a;--muted:#65758b;--line:#dbe3ed;--green:#208a70;--red:#bd4b4b}
html{background:var(--bg)}body{background:linear-gradient(180deg,#f8fafc 0,#eef3f8 100%);color:var(--ink)}
.start-card{border-radius:22px;border:1px solid #d8e2ed;box-shadow:0 18px 50px rgba(16,35,63,.10)}
.brandbar{color:#62738a}.brand{font-weight:900}.sequence{gap:16px}
.phase{background:#f7f9fc!important;border:1px solid #dce5ef!important;border-radius:14px!important}
.phase.active{background:linear-gradient(135deg,#edf8f8,#f7fbfd)!important;border-color:#b7dcd9!important;box-shadow:0 6px 18px rgba(23,143,138,.10)}
.phase-no{background:var(--navy)!important;color:#fff!important;border-radius:9px!important}.arrow{color:var(--teal)!important;font-weight:900}
.primary,.start-btn,.next-btn{background:linear-gradient(135deg,var(--navy),var(--navy2))!important;box-shadow:0 8px 18px rgba(16,35,63,.16)!important}
.exam-top{background:var(--navy)!important}.question-card,.writing-card,.result-card,.table{border-radius:16px!important;border:1px solid var(--line)!important;box-shadow:0 8px 25px rgba(16,35,63,.05)}
.opt{border:1px solid #d8e2ec!important;background:#fff!important;border-radius:12px!important}
.opt:hover{border-color:#8ebfc0!important;background:#f5fbfb!important}.opt.selected{border-color:var(--teal)!important;background:#eaf7f6!important}
.briefing{background:radial-gradient(circle at 50% 10%,#213e63 0,#0d1728 55%,#08101d 100%)!important}
.briefing-card{border-radius:22px!important;box-shadow:0 20px 60px rgba(0,0,0,.28)!important}
.voice-status{color:#9fd5d1!important}.topic{border-radius:14px!important;border:1px solid var(--line)!important}
.topic.selected{border-color:var(--teal)!important;background:#edf8f7!important}.essay{border-radius:14px!important;border:1px solid #cfdbe7!important}
.stat{background:#fff!important;border:1px solid var(--line)!important;border-radius:15px!important;box-shadow:0 6px 18px rgba(16,35,63,.05)}
.stat b{color:var(--navy)!important}.conclusion{border-left:5px solid var(--teal)!important;background:linear-gradient(90deg,#eef8f7,#fff)!important;border-radius:0 14px 14px 0!important}
@media(max-width:760px){.start-card{padding:28px 22px}.sequence{grid-template-columns:1fr}.arrow{display:none}.stats{grid-template-columns:repeat(2,1fr)!important}}

.review-list{display:grid;gap:12px}.review-item{background:#fff;border:1px solid #dbe3ed;border-radius:14px;padding:16px}.review-item.good{border-left:5px solid #208a70}.review-item.bad{border-left:5px solid #bd4b4b}.review-item.skip{border-left:5px solid #9aa9bb}.review-top{display:flex;justify-content:space-between;gap:12px;align-items:center}.review-answer{margin-top:8px;display:grid;gap:5px}.review-explain{margin-top:10px;padding:10px 12px;background:#f5f8fb;border-radius:10px}.progress-wrap{background:#fff;border:1px solid #dbe3ed;border-radius:14px;padding:16px}.progress-row{display:grid;grid-template-columns:70px 1fr 55px;gap:10px;align-items:center;margin:10px 0}.progress-bar{height:10px;background:#e8eef4;border-radius:99px;overflow:hidden}.progress-bar i{display:block;height:100%;background:#178f8a;border-radius:99px}.a-note{background:#f3f7fb;border:1px solid #dbe3ed;border-radius:12px;padding:14px;margin-bottom:14px}.a-index-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.a-index{background:#fff;border:1px solid #dbe3ed;border-radius:12px;padding:14px}.a-index b{display:block;font-size:22px;color:#10233f}@media(max-width:760px){.a-index-grid{grid-template-columns:1fr}.progress-row{grid-template-columns:58px 1fr 45px}.review-top{align-items:flex-start;flex-direction:column}}

.question-visual{margin:16px 0 20px;text-align:center;background:#fff;border:1px solid #dbe3ed;border-radius:14px;padding:12px;overflow:hidden}
.question-visual img{display:block;max-width:100%;height:auto;max-height:330px;margin:0 auto}
@media(max-width:760px){.question-visual{padding:8px;margin:12px 0 16px}.question-visual img{max-height:260px}}

/* V10 typography — clean, lighter exam interface */
html,body,button,input,textarea,select{
  font-family:"Segoe UI",Arial,sans-serif;
  font-weight:400;
}
h1,h2,h3,h4,.title,.brand,.exam-title,.question-title{
  font-weight:600 !important;
  letter-spacing:-.01em;
}
p,small,.note,.muted,.voice-status,.topic span,.opt span{
  font-weight:400 !important;
}
.opt b,.review-item strong,.stat b,.a-index b{
  font-weight:600 !important;
}
button{font-weight:500 !important}

.set-picker{display:grid;grid-template-columns:auto 180px 1fr;gap:10px;align-items:center;margin:20px 0 4px;padding:12px 14px;background:#f5f8fb;border:1px solid #dbe3ed;border-radius:10px}
.set-picker label{font-size:10px;letter-spacing:.1em;color:#66758a;font-weight:600}
.set-picker select{padding:9px 11px;border:1px solid #cfd8e3;border-radius:7px;background:#fff;color:#172234;font:inherit;font-size:13px}
.set-picker span{font-size:11px;color:#66758a}
@media(max-width:760px){.set-picker{grid-template-columns:1fr}.set-picker select{width:100%}}

.result-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.result-actions button{min-width:150px}