.exam-shell{display:none}
.exam-shell.active{display:block;animation:examIn .22s var(--ease)}
@keyframes examIn{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.standard-shell.exam-hidden{display:none}
.app-layout.exam-mode{grid-template-columns:minmax(0,1fr)}
.app-layout.exam-mode .sidebar{display:none}
.exam-return-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.exam-return-bar span{color:var(--muted);font-size:10.5px}
.exam-secondary,.exam-primary{min-height:43px;border-radius:12px;padding:0 14px;font-weight:900;font-size:11.5px;transition:.16s var(--ease)}
.exam-secondary{border:1px solid var(--line-strong);background:var(--surface);color:var(--ink)}
.exam-primary{border:0;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:var(--on-brand);box-shadow:0 8px 20px color-mix(in srgb,var(--brand) 20%,transparent)}
.exam-secondary:hover,.exam-primary:hover{transform:translateY(-1px)}
.exam-secondary:disabled{opacity:.42;cursor:not-allowed;transform:none}
.exam-setup,.exam-panel,.exam-result{border:1px solid var(--line);border-radius:24px;background:var(--surface);box-shadow:var(--shadow);padding:clamp(17px,2.5vw,26px);margin-bottom:18px}
.exam-kicker{color:var(--brand);font-size:10px;letter-spacing:.12em;text-transform:uppercase;font-weight:950}
.exam-setup h2,.exam-result h2{margin:5px 0 7px;font-size:clamp(25px,3vw,36px);line-height:1.08;letter-spacing:-.035em}
.exam-setup>p,.exam-result>p{margin:0 0 16px;color:var(--ink-2);max-width:820px}

.exam-field label{display:block;color:var(--muted);font-size:9px;font-weight:900;text-transform:uppercase;letter-spacing:.08em;margin:0 0 4px 3px}
.exam-field select,.exam-field input{width:100%;height:46px;border:1px solid var(--line-strong);border-radius:12px;background:var(--surface-2);color:var(--ink);padding:0 12px;font-size:16px;outline:none}
.exam-field select:focus,.exam-field input:focus{border-color:var(--gold);box-shadow:0 0 0 3px color-mix(in srgb,var(--gold) 18%,transparent)}
.exam-rules{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin:14px 0}
.exam-rule{padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}
.exam-rule b{display:block;font-size:18px;color:var(--brand)}.exam-rule span{display:block;margin-top:3px;color:var(--muted);font-size:10px}
.exam-official-note{margin:11px 0;padding:10px 12px;border-left:4px solid var(--gold);border-radius:0 11px 11px 0;background:var(--warn-bg);color:var(--ink-2);font-size:10.7px}
.exam-start-row{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.exam-note{max-width:720px;color:var(--muted);font-size:10.5px}
.exam-head{position:sticky;top:calc(var(--topbar-h) + var(--safe-top) + 7px);z-index:44;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:11px;padding:10px 12px;border:1px solid var(--line);border-radius:15px;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow-sm)}
.exam-head b{font-size:12px}.exam-head span{color:var(--muted);font-size:10px}.exam-timer{font-size:22px;font-weight:950;color:var(--brand);font-variant-numeric:tabular-nums;white-space:nowrap}
.exam-nav{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:5px;margin-bottom:12px}.exam-dot{min-width:0;min-height:31px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2);color:var(--muted);font-size:9.5px;font-weight:900}.exam-dot.answered{background:var(--brand-soft);border-color:color-mix(in srgb,var(--brand) 50%,var(--line));color:var(--brand)}.exam-dot.current{outline:3px solid color-mix(in srgb,var(--gold) 50%,transparent);outline-offset:1px}
.exam-qcard{border:1px solid var(--line);border-radius:18px;padding:16px;background:var(--surface-2)}.exam-qmeta{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:10px;color:var(--muted);font-size:10px;font-weight:850}.exam-qmeta a{color:var(--brand);text-decoration:none}.exam-qcard .prompt{padding:13px;border:1px solid var(--line);border-radius:14px;background:var(--surface);margin-bottom:12px}.exam-controls{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-top:13px}.exam-controls .finish{margin-left:auto}
.score-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:12px;margin:16px 0}.score-main{padding:18px;border-radius:17px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:var(--on-brand)}.score-main span{display:block;font-size:9.5px;font-weight:850;opacity:1}.score-main b{display:block;margin-top:4px;font-size:36px;line-height:1.08;letter-spacing:-.04em}.score-parts{display:grid;gap:7px}.score-part{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2);font-size:11px}.score-part b{color:var(--brand)}
.score-table-wrap{overflow:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:13px}.score-table{width:100%;border-collapse:collapse;font-size:10.5px}.score-table th,.score-table td{padding:9px 8px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}.score-table th{position:sticky;top:0;background:var(--surface-2);color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.04em}.score-table th:first-child,.score-table td:first-child{text-align:left}.score-table tr:last-child td{border-bottom:0}
.exam-review-list{display:grid;gap:7px;margin-top:14px}.review-row{padding:10px 11px;border:1px solid var(--line);border-radius:12px;background:var(--surface-2);font-size:10.8px;line-height:1.5}.review-row.good{border-left:4px solid var(--green)}.review-row.bad{border-left:4px solid var(--red)}.review-row.blank{border-left:4px solid var(--muted)}

/* En modo examen, el hero de práctica deja paso al simulador */
body.exam-active .hero{display:none}
body.exam-active .main{padding-top:18px}

/* ===== Simulador v2 · selector de carrera + cálculo UCuenca 2026 ===== */
.exam-config-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(310px,.75fr);gap:14px;margin:17px 0 14px;align-items:start}
.career-picker,.score-config{border:1px solid var(--line);border-radius:19px;background:var(--surface-2);padding:15px;min-width:0}
.exam-section-head{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px}
.exam-step{width:30px;height:30px;flex:0 0 30px;border-radius:10px;display:grid;place-items:center;background:var(--brand);color:var(--on-brand);font-weight:950;font-size:12px;box-shadow:0 6px 15px color-mix(in srgb,var(--brand) 22%,transparent)}
.exam-section-head h3{margin:0;font-size:16px;line-height:1.15;letter-spacing:-.025em}
.exam-section-head p{margin:3px 0 0;color:var(--muted);font-size:10.8px;line-height:1.45}
.priority-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin-bottom:10px}
.priority-tab{min-width:0;min-height:43px;border:1px solid var(--line);border-radius:11px;background:var(--surface);color:var(--ink-2);padding:7px 9px;display:flex;align-items:center;justify-content:space-between;gap:6px;text-align:left;font-size:10px;font-weight:850;line-height:1.15;transition:.16s var(--ease)}
.priority-tab span{min-width:0}.priority-tab b{flex:0 0 auto;min-width:23px;height:23px;padding:0 6px;border-radius:999px;display:grid;place-items:center;background:var(--surface-3);color:var(--muted);font-size:9px}
.priority-tab:hover,.priority-tab.active{border-color:color-mix(in srgb,var(--brand) 48%,var(--line));background:var(--brand-soft);color:var(--brand)}
.priority-tab.active b{background:var(--brand);color:var(--on-brand)}
.career-search-box{height:50px;display:grid;grid-template-columns:21px minmax(0,1fr) 34px;align-items:center;gap:7px;border:1px solid var(--line-strong);border-radius:14px;background:var(--surface);padding:0 8px 0 13px;box-shadow:var(--shadow-xs)}
.career-search-box:focus-within{border-color:var(--gold);box-shadow:0 0 0 3px color-mix(in srgb,var(--gold) 18%,transparent)}
.career-search-box svg{width:19px;height:19px;fill:none;stroke:var(--muted);stroke-width:1.8}
.career-search-box input{width:100%;height:46px;border:0;outline:0;background:transparent;color:var(--ink);padding:0;font-size:16px;min-width:0}
.career-search-box input::placeholder{color:var(--muted)}
.career-search-box button{width:32px;height:32px;border:0;border-radius:9px;background:var(--surface-3);color:var(--muted);font-size:21px;line-height:1}
.career-list-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 3px 6px;color:var(--muted);font-size:9.5px}.career-list-head span:first-child{font-weight:900;color:var(--ink-2)}
.career-list{max-height:390px;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding-right:3px;display:grid;gap:8px}
.career-group{display:grid;gap:5px}.career-group-title{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 8px;border-radius:9px;background:color-mix(in srgb,var(--surface-2) 94%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:var(--brand);font-size:9px;text-transform:uppercase;letter-spacing:.055em}.career-group-title span{color:var(--muted)}
.career-option{width:100%;min-height:45px;display:grid;grid-template-columns:minmax(0,1fr) auto 28px;align-items:center;gap:8px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);padding:8px 9px 8px 11px;text-align:left;transition:.14s var(--ease)}
.career-option:hover{border-color:var(--gold);background:var(--brand-soft)}.career-option.selected{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 2px color-mix(in srgb,var(--brand) 12%,transparent)}
.career-option-name{font-size:11.3px;font-weight:850;line-height:1.3}.career-option-field{font-size:8.5px;color:var(--muted);max-width:125px;text-align:right;line-height:1.2}.career-option-check{width:25px;height:25px;border-radius:8px;display:grid;place-items:center;background:var(--surface-3);color:var(--muted);font-weight:950}.career-option.selected .career-option-check{background:var(--brand);color:var(--on-brand)}
.career-empty{padding:25px 14px;text-align:center;border:1px dashed var(--line-strong);border-radius:13px;color:var(--muted);display:grid;gap:3px}.career-empty b{color:var(--ink);font-size:12px}.career-empty span{font-size:10px}
.career-selected{margin-top:11px;padding:12px;border:1px solid color-mix(in srgb,var(--brand) 35%,var(--line));border-radius:15px;background:linear-gradient(135deg,var(--brand-soft),var(--surface))}
.career-selected-title{display:grid;grid-template-columns:1fr auto;gap:1px 10px;margin-bottom:10px}.career-selected-title span{grid-column:1/-1;color:var(--muted);font-size:8.5px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.career-selected-title b{font-size:13px;line-height:1.25}.career-selected-title small{color:var(--brand);font-size:9.5px;font-weight:850;text-align:right}
.weight-preview{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}.weight-item{min-width:0}.weight-item>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:4px;font-size:8.5px;color:var(--muted);margin-bottom:4px}.weight-item b{color:var(--brand);font-size:9.5px}.weight-track{height:5px;border-radius:99px;background:var(--line);overflow:hidden}.weight-track i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--gold),var(--brand))}
.score-input-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.score-input-grid .exam-field small{display:block;margin:5px 2px 0;color:var(--muted);font-size:9.5px;line-height:1.35}
.formula-card{margin-top:12px;padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.formula-kicker{display:block;margin-bottom:7px;color:var(--brand);font-size:8.5px;font-weight:950;text-transform:uppercase;letter-spacing:.09em}.formula-line{display:grid;grid-template-columns:74px minmax(0,1fr);gap:7px;padding:6px 0;border-top:1px solid var(--line);font-size:9.7px;line-height:1.45}.formula-line:first-of-type{border-top:0;padding-top:0}.formula-line b{color:var(--ink)}.formula-line span{color:var(--ink-2)}
.academic-preview{margin-top:10px;padding:12px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:var(--on-brand)}.academic-preview span,.academic-preview small{display:block;font-size:9px;opacity:1}.academic-preview b{display:block;margin:2px 0;font-size:21px;line-height:1.15;letter-spacing:-.02em}
.exam-primary:disabled{opacity:.46;cursor:not-allowed;box-shadow:none;transform:none}
.score-main small{display:block;margin-top:7px;font-size:9.5px;opacity:.82;line-height:1.4}
.exam-formula-result{display:grid;gap:6px;margin:12px 0;padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}.exam-formula-result b{font-size:10px;color:var(--brand);text-transform:uppercase;letter-spacing:.07em}.exam-formula-result code{display:block;padding:8px 9px;border-radius:9px;background:var(--surface);color:var(--ink-2);font:10px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:normal;overflow-wrap:anywhere}

@media(max-width:1050px){.exam-config-layout{grid-template-columns:1fr}.score-config{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.7fr);gap:0 15px}.score-config>.exam-section-head{grid-column:1/-1}.academic-preview{align-self:end}.formula-card{margin-top:0}}
@media(max-width:720px){
  .exam-config-layout{gap:10px}.career-picker,.score-config{padding:12px;border-radius:16px}.score-config{display:block}
  .priority-tabs{display:flex;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:none;padding-bottom:4px;scroll-snap-type:x proximity}.priority-tabs::-webkit-scrollbar{display:none}.priority-tab{flex:0 0 auto;min-width:132px;scroll-snap-align:start}
  .career-list{max-height:42dvh;min-height:180px;scrollbar-gutter:auto;padding-right:0}.career-option{grid-template-columns:minmax(0,1fr) 26px}.career-option-field{display:none}.career-option-name{font-size:12px}.career-group-title{top:-1px}
  .career-selected-title{grid-template-columns:1fr}.career-selected-title small{text-align:left}.weight-preview{grid-template-columns:repeat(2,minmax(0,1fr))}.weight-item:last-child{grid-column:1/-1}
  .score-input-grid{grid-template-columns:1fr}.formula-line{grid-template-columns:1fr;gap:2px}.formula-card{margin-top:11px}
  .exam-start-row{display:grid;grid-template-columns:1fr}.exam-start-row .exam-note{text-align:left}.exam-start-row .exam-primary{width:100%;min-height:49px}
}
@media(max-width:390px){.priority-tab{min-width:122px}.career-search-box{height:48px}.career-search-box input{height:44px}.weight-preview{gap:8px}.exam-section-head h3{font-size:15px}}
.exam-source-links{display:flex;gap:8px;flex-wrap:wrap;margin:7px 0 13px}.exam-source-links a{display:inline-flex;align-items:center;min-height:34px;padding:0 10px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--brand);font-size:9.5px;font-weight:850;text-decoration:none}.exam-source-links a:hover{border-color:var(--gold);background:var(--brand-soft)}
@media(max-width:720px){.exam-source-links{display:grid;grid-template-columns:1fr}.exam-source-links a{justify-content:center;min-height:40px}}