.diagnostic{max-width:1120px;margin:0 auto;padding:8px 18px 40px;color:#3c3c3c;font-family:'Nunito','Segoe UI',system-ui,sans-serif;line-height:1.6;box-sizing:border-box}
.diagnostic *{box-sizing:border-box}
.diag-guest-main:has(.diag-playing){justify-content:flex-start;padding:12px 18px 0}
.exam-page.diag-playing{width:100%;max-width:1440px;height:auto;min-height:0;display:block;padding-top:0;padding-bottom:0;background:transparent}
.diag-playing .exam-top{flex:none}
.diag-playing .exam-layout{min-height:0}
.diag-playing .exam-card{height:auto;display:block;overflow:visible}
/* Long questions expand naturally; the page owns vertical scrolling. */
.diag-exercise-scroll{min-height:0;overflow:visible}
.diag-playing .exam-label h1{font:inherit;letter-spacing:inherit;margin:0}
.diag-playing .exam-actions{position:static;flex:none;margin-top:auto;padding-top:12px}
.diag-playing .exam-actions form{margin:0}
.diag-playing .question-asset{object-fit:contain}
.diag-playing .question-asset.question-asset--wide{width:100%;max-width:1040px;max-height:none;height:auto;margin:14px auto}
/* Keep both columns together on wide monitors instead of pinning the tutor
   to the far edge of the browser. Smaller screens use the draggable bubble. */
@media(min-width:1200px) and (min-height:480px){
 .diag-playing .hint-tutor-panel{right:max(18px,calc((100vw - 1440px)/2))}
}
@media(max-width:760px){.diag-playing .exam-toolbar>.save-status{display:none}.diag-playing .exam-toolbar{grid-template-columns:auto minmax(0,1fr) auto}.diag-playing .instant-label{display:flex!important;font-size:11px}.diag-playing .exam-top{margin:0;position:static;border-radius:16px}.diag-playing .exam-button{min-height:44px}}
@media(max-width:699px){.exam-page.diag-playing{padding-left:4px;padding-right:4px}.diag-guest-main:has(.diag-playing){padding:8px 8px 0}}
.diagnostic h1,.diagnostic h2,.diagnostic p{margin-top:0}
.diagnostic h1{font-size:clamp(30px,5vw,48px);line-height:1.12;letter-spacing:-1.6px;margin:14px 0 20px}
.diagnostic h2{font-size:21px;line-height:1.3}
.diag-eyebrow{font-size:11px;font-weight:800;letter-spacing:1.6px;color:#6d28d9}
.diag-intro{max-width:710px;margin:8px 0 32px}
.diag-intro>p{font-size:17px;max-width:600px;color:#706779}
.diag-chips{display:flex;gap:9px;flex-wrap:wrap}
.diag-chips span{padding:6px 12px;border:1px solid #e5dccd;border-radius:30px;font-size:12px;font-weight:600;background:#fffefb}
.diag-card{border:1px solid #e9e0d4;border-radius:22px;background:white;padding:28px;min-width:0;box-shadow:0 7px 24px #37244b04}
.diagnostic fieldset{border:0;padding:0;margin:0;min-width:0}
.diagnostic legend{padding:0;margin:0 0 18px;font-weight:700}
.diag-subject input{position:absolute;width:1px;height:1px;opacity:0}
.diag-subject:focus-within{outline:3px solid #ad8be9;outline-offset:3px}
.diag-subject.unavailable{opacity:.5;cursor:default}
.diag-primary,.diag-secondary{font:900 14px/1.4 'Nunito','Segoe UI',system-ui,sans-serif;display:flex;align-items:center;justify-content:center;gap:12px;text-decoration:none;padding:15px 20px;border:1px solid transparent;border-radius:12px;cursor:pointer;min-height:49px;width:100%;margin-top:22px}
.diag-primary{color:white;background:#58cc02;box-shadow:0 3px 0 #46a302}
.diag-primary:hover{background:#50bb02}
.diag-secondary{color:#6d28d9;background:#f6f1ff;border-color:#e4d5fc}
.diag-primary:focus-visible,.diag-secondary:focus-visible{outline:3px solid #ad8be9;outline-offset:4px}
.diagnostic .diag-caption{font-size:12px;line-height:1.65;color:#7a7184;margin:16px 0 0}
.diag-text{overflow-wrap:anywhere}
.diag-text .katex-display{overflow-x:auto;overflow-y:hidden;max-width:100%}
.diag-error{background:#fff0eb;color:#893b24;border:1px solid #e9b49e;padding:15px 20px;border-radius:12px;margin-bottom:22px}
.diag-results{max-width:760px}
.diag-score{display:flex;flex-direction:column;border-bottom:1px solid #eee6f3;padding-bottom:24px}
.diag-score>strong{font-size:76px;letter-spacing:-4px;line-height:1.2;color:#6d28d9}
.diag-score small{font-size:28px;letter-spacing:-1px;color:#a69aae}
.diag-score>span{color:#706779}
.diag-result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:25px 0}
.diag-result-grid strong,.diag-result-grid span{display:block}
.diag-result-grid strong{font-size:23px}
.diag-result-grid span{font-size:12px;color:#776d80}
@media(max-width:520px){.diagnostic{padding:18px 16px 90px}
.diag-card{padding:20px;border-radius:18px}
.diag-intro{margin-bottom:25px}
.diag-intro>p{font-size:15px}
.diag-result-grid{gap:12px}
}

.diag-register-preview{position:relative;overflow:hidden;margin-top:26px;border:1px solid #e5d9f7;border-radius:16px;background:#fcfaff;padding:24px}.diag-preview-bars{position:absolute;inset:24px;display:grid;gap:22px;align-content:center;filter:blur(6px);opacity:.16;pointer-events:none}.diag-preview-bars span{display:block;border-radius:10px;background:#9b79d9;height:22px;width:85%}.diag-preview-bars span:nth-child(2){width:60%}.diag-preview-bars span:nth-child(3){width:72%}.diag-register-copy{position:relative;text-align:center}.diag-register-copy h2{margin-bottom:10px}.diag-register-copy>p{font-size:14px;color:#776d80}.diag-login-link{display:inline-block;font-size:13px;color:#6d28d9;margin-top:18px}
/* Same visual treatment as the existing Ensayos question screen. */
.db-main:has(.diagnostic),.diag-guest-main{background:#fcf9f3}
.diagnostic h1,.diagnostic h2{font-family:'Baloo 2','Nunito',sans-serif}
.diag-intro h1{font-size:clamp(30px,4vw,40px);letter-spacing:-.7px}
/* Compact launch screen: subject tiles and a live session summary. */
.diagnostic.diag-setup{max-width:1020px;width:100%;padding:8px 8px 0;margin:auto}
.diag-launch-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}
.diag-launch-heading h1{font-size:clamp(24px,3.2vw,36px);letter-spacing:-.8px;margin:5px 0 4px;line-height:1.1}
.diag-launch-heading p{font-size:14px;color:#847a8c;margin:0}
.diag-launch-heading .tutor-avatar-picture{flex-shrink:0}
.diag-launch-heading .tutor-avatar-picture{width:104px;height:104px;object-fit:cover;border-radius:24px;transform:rotate(5deg);box-shadow:0 5px 0 #e8def4}
.diag-launch{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:20px}
.diag-resume{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 18px;padding:14px 18px;border:1px solid #e5d9f4;border-radius:16px;background:#f7f2ff;font-size:13px}
.diag-resume strong,.diag-resume span{display:block}.diag-resume span{color:#81718e;font-size:12px;margin-top:3px}
.diag-resume a{color:#7146b8;font-weight:900;text-decoration:none;flex-shrink:0}.diag-resume a:hover{text-decoration:underline}
.diagnostic .diag-restart-note{font-size:11px;line-height:1.4;color:#81718e;margin:12px 0 0;text-align:center}
@media(max-width:680px){.diag-resume{align-items:flex-start;flex-direction:column;gap:8px;padding:12px;margin-bottom:12px}}
.diag-launch-choices{background:white;border:1px solid #e8e3ed!important;border-radius:24px;padding:22px!important;box-shadow:0 7px 0 #efebe3}
.diagnostic .diag-launch-choices legend{float:left;width:100%;font-size:14px;color:#655b70;font-weight:900;margin-bottom:16px}
.diag-subjects{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;clear:both}
.diag-subject{--tile-color:#7750cd;--tile-bg:#f3edff;position:relative;display:flex;align-items:center;gap:10px;padding:13px 12px;min-height:76px;border:2px solid #eeebf1;border-radius:16px;cursor:pointer;background:#fff;box-shadow:0 3px 0 #eeebf1;transition:transform .15s,border-color .15s,background .15s}
.diag-subject--MAT2{--tile-color:#416bd5;--tile-bg:#edf3ff}.diag-subject--CL{--tile-color:#e18a26;--tile-bg:#fff4e0}.diag-subject--HIST{--tile-color:#cc7856;--tile-bg:#fff0e8}.diag-subject--BIO{--tile-color:#439c67;--tile-bg:#eaf8ef}.diag-subject--FIS{--tile-color:#bd9321;--tile-bg:#fff9df}.diag-subject--QUI{--tile-color:#b360b3;--tile-bg:#faedfa}
.diag-subject:hover:not(.unavailable){border-color:var(--tile-color);transform:translateY(-2px)}
.diag-subject:has(input:checked){border-color:var(--tile-color);background:var(--tile-bg);box-shadow:0 3px 0 var(--tile-color)}
.diag-subject-icon{display:grid;place-items:center;flex:none;width:38px;height:42px;border-radius:12px;background:var(--tile-bg);font-size:23px}
.diag-subject-name{font-weight:900;font-size:14px;line-height:1.2;color:#40374b}
.diag-subject small{display:block;font-size:10px;color:#8b8193;font-weight:700;margin-top:5px}
.diag-choice-check{position:absolute;right:7px;top:6px;display:none;place-items:center;width:17px;height:17px;background:var(--tile-color);color:white;border-radius:50%;font-size:11px}
.diag-subject:has(input:checked) .diag-choice-check{display:grid}
.diag-launch-summary{display:flex;flex-direction:column;justify-content:center;padding:22px;border:1px solid #e5d9f5;border-radius:24px;background:linear-gradient(150deg,#fff,#f5effe);box-shadow:0 7px 0 #eae2f1}
.diag-session-label{display:flex;align-items:center;gap:7px;font-size:10px;font-weight:900;letter-spacing:1px;color:#8467a7}
.diag-live-dot{width:7px;height:7px;border-radius:50%;background:#58cc02;box-shadow:0 0 0 3px #58cc021a}
.diagnostic .diag-launch-summary h2{font-size:25px;margin:12px 0 20px;line-height:1.1}
.diag-session-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;text-align:center}
.diag-session-stats>div{padding:12px 3px;border:1px solid #e9e2f2;border-radius:13px;background:#fff}
.diag-session-stats strong{display:block;color:#7348c5;font:800 28px/1 'Baloo 2',sans-serif}
.diag-session-stats span{display:block;font-size:10px;line-height:1.2;font-weight:800;color:#8a7c99;margin-top:5px}
.diag-launch-promise{font-size:13px;line-height:1.5;color:#80728d;margin:18px 0 0}
.diag-launch-summary .diag-primary{font-size:13px;padding:13px 8px;margin-top:18px;min-height:48px}
.diag-primary:disabled{background:#ddd6e8;box-shadow:0 3px 0 #c7bcd6;cursor:default;color:#78678e}
.diag-launch-free{font-size:10px;color:#8a7c99;text-align:center;margin-top:12px}
.diagnostic .diag-launch-note{text-align:center;font-size:10px;color:#968c9e;margin:16px 0 0}
@media(max-width:900px){.diag-launch{grid-template-columns:minmax(0,1fr) 245px;gap:14px}.diag-launch-choices,.diag-launch-summary{padding:16px!important}.diag-subject{padding:11px 8px;gap:8px}.diag-subject-name{font-size:12px}.diag-subject-icon{width:30px;font-size:21px}}
@media(max-width:680px){
 .diagnostic.diag-setup{padding:0 2px}.diag-launch-heading{margin-bottom:12px;gap:10px}.diag-launch-heading h1{font-size:25px;max-width:260px}.diag-launch-heading p{font-size:12px}.diag-launch-heading .diag-eyebrow{font-size:9px}.diag-launch-heading .tutor-avatar-picture{width:72px;height:72px;border-radius:18px}
 .diag-launch{display:flex;flex-direction:column;gap:14px}.diag-launch-choices{padding:12px!important;border-radius:20px}.diagnostic .diag-launch-choices legend{font-size:11px;margin-bottom:9px}
 .diag-subjects{gap:9px}.diag-subject{min-height:58px;padding:8px;gap:7px;border-radius:12px}.diag-subject-icon{width:29px;height:32px;border-radius:9px;font-size:20px}.diag-subject-name{font-size:12px}.diag-subject small{font-size:9px;margin-top:3px}
 .diag-launch-summary{position:sticky;bottom:8px;padding:12px!important;border-radius:20px;box-shadow:0 3px 0 #eae2f1,0 -6px 18px #fcf9f3dd;display:grid;grid-template-columns:1fr;gap:0}
 .diag-session-label,.diag-launch-promise{display:none}.diagnostic .diag-launch-summary h2{font:900 13px/1.2 'Nunito',sans-serif;margin:0 0 8px}
 .diag-session-stats{display:flex;justify-content:space-between;text-align:left;gap:6px}.diag-session-stats>div{display:flex;align-items:center;gap:4px;padding:0;background:none;border:0}.diag-session-stats strong{font:900 13px/1 'Nunito',sans-serif}.diag-session-stats span{font-size:10px;margin:0}
 .diag-launch-summary .diag-primary{margin-top:10px;min-height:44px;padding:10px;font-size:13px}.diag-launch-free{margin-top:8px;font-size:9px}.diagnostic .diag-launch-note{font-size:9px;margin-top:12px}
}
@media(max-width:680px) and (max-height:730px){.diag-launch-heading p{display:none}.diag-launch-heading{margin-bottom:9px}.diag-launch-heading h1{font-size:23px}.diag-launch-heading .tutor-avatar-picture{width:60px;height:60px}.diag-launch-choices{padding:10px!important}.diag-subject{min-height:52px}.diag-launch{gap:10px}.diag-launch-note{display:none}}
@media(prefers-reduced-motion:reduce){.diag-subject{transition:none}.diag-subject:hover:not(.unavailable){transform:none}}
@media(min-width:681px) and (max-height:760px){
 .diag-launch-heading{margin-bottom:12px}.diag-launch-heading h1{font-size:28px}.diag-launch-heading .tutor-avatar-picture{width:76px;height:76px;border-radius:16px}
 .diag-launch-choices{padding:16px!important}.diagnostic .diag-launch-choices legend{margin-bottom:12px}
 .diag-subjects{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
 .diag-subject{min-height:64px;padding:8px;gap:7px}.diag-subject-icon{width:29px;height:34px;font-size:21px}.diag-subject-name{font-size:12px}
 .diag-launch-summary{padding:18px}.diagnostic .diag-launch-summary h2{font-size:22px;margin:10px 0 14px}
 .diag-session-stats>div{padding:8px 2px}.diag-launch-promise{margin-top:12px}.diag-launch-summary .diag-primary{margin-top:12px}
}
@media(min-width:681px) and (max-width:900px) and (max-height:760px){.diag-launch{grid-template-columns:minmax(0,1fr) 215px}.diag-subjects{grid-template-columns:repeat(2,minmax(0,1fr))}.diag-subject{min-height:54px}.diag-launch-heading p{display:none}}
@media(min-width:681px) and (max-height:600px){.diag-launch-heading p,.diag-launch-promise,.diagnostic .diag-launch-note{display:none}.diag-launch-heading{margin-bottom:10px}.diag-launch-heading h1{font-size:26px}.diag-launch-summary .diag-primary{margin-top:18px}}
@media(max-width:380px){
 .diagnostic .diag-launch-choices legend{position:absolute;float:none;width:1px;height:1px;padding:0;margin:0;overflow:hidden;clip-path:inset(50%)}
 .diag-launch-heading h1{font-size:22px}.diag-launch-heading .tutor-avatar-picture{width:56px;height:56px}
 .diag-subject{min-height:48px;padding:7px 5px;gap:5px}.diag-subject small{display:none}.diag-subject-name{font-size:11px}.diag-subject-icon{width:24px;font-size:18px}
 .diag-launch-choices{padding:9px!important}.diag-subjects{gap:8px}.diag-launch-summary{padding:10px!important}.diag-session-stats span{font-size:9px}.diag-launch-free{font-size:8px}
}

/* Restrained light surfaces, selected-card glow and tactile primary actions. */
.diag-guest-main{background:radial-gradient(ellipse at 13% 28%,#efe9ff75,transparent 48%),radial-gradient(ellipse at 88% 80%,#edfae66b,transparent 42%),#fcfaf7}
.diag-setup .diag-launch-heading h1{font-family:'Nunito',sans-serif;font-weight:900;letter-spacing:-1px}
.diag-launch-choices{border-color:#eae5ef!important;box-shadow:0 12px 32px #39264d06,0 2px 0 #ede9f1}
.diag-subject{box-shadow:0 2px 0 #eeeaf1;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background .18s ease}
.diag-subject:has(input:checked){background:linear-gradient(145deg,#fff,var(--tile-bg));box-shadow:0 2px 0 var(--tile-color),0 0 0 4px color-mix(in srgb,var(--tile-color) 9%,transparent),0 8px 24px color-mix(in srgb,var(--tile-color) 15%,transparent)}
.diag-subject:has(input:checked) .diag-subject-icon{animation:diag-choice-pop .32s ease-out}
.diag-subject:active:not(.unavailable){transform:translateY(2px) scale(.985)}
.diag-subject:focus-within{outline:2px solid #a491ca;outline-offset:3px}
/* A soft, sequential invitation; only a checked radio shows the selection mark. */
.diag-subject{overflow:hidden}
.diag-subject.is-choice-hint:not(:hover):not(:focus-within){animation:diag-choice-hint 1.9s ease-in-out}
.diag-subject.is-choice-hint::after{
 content:'';position:absolute;inset:0;pointer-events:none;border-radius:inherit;
 background:linear-gradient(110deg,transparent 25%,#ffffffa6 48%,transparent 70%);
 transform:translateX(-110%);animation:diag-choice-shine 1.9s ease-in-out;
}
@keyframes diag-choice-hint{
 0%,100%{border-color:#eeebf1;box-shadow:0 2px 0 #eeeaf1}
 30%,65%{border-color:color-mix(in srgb,var(--tile-color) 55%,white);background:var(--tile-bg);box-shadow:0 2px 0 color-mix(in srgb,var(--tile-color) 30%,white),0 0 0 3px color-mix(in srgb,var(--tile-color) 10%,transparent),0 5px 16px color-mix(in srgb,var(--tile-color) 12%,transparent)}
}
@keyframes diag-choice-shine{
 0%,15%{transform:translateX(-110%);opacity:0}
 30%,65%{opacity:.65}
 85%,100%{transform:translateX(110%);opacity:0}
}
.diag-launch-choices:has(input[name="subject"]:enabled):not(:has(input:checked)) legend{color:#7750cd}
.diag-launch-choices:has(input[name="subject"]:enabled):not(:has(input:checked)) legend::before{
 content:'';display:inline-block;width:8px;height:8px;margin-right:9px;border-radius:50%;
 background:#9266df;vertical-align:1px;
}
@media(hover:hover){
 .diag-subject:hover:not(.unavailable){border-color:#9670d7;background:#f0e7ff;box-shadow:0 3px 0 #cfb8ef,0 5px 18px #8255c51c}
 .diag-subject:hover:not(.unavailable) .diag-subject-name{color:#6637ad}
 .diag-subject:hover:not(.unavailable) small{color:#80659f}
}
.diag-subject:has(input:focus-visible){border-color:#9670d7;background:#f0e7ff;outline:2px solid #a491ca;outline-offset:3px}
@media(prefers-reduced-motion:reduce){
 .diag-subject.is-choice-hint,.diag-subject.is-choice-hint::after{animation:none}
 .diag-subject.is-choice-hint::after{display:none}
}
.diag-launch-summary{background:linear-gradient(145deg,#fff 12%,#faf7ff 75%,#f0f9ec);box-shadow:0 2px 0 #e9e1f2,0 16px 38px #7658a40b;transition:box-shadow .25s ease,border-color .25s ease}
.diag-launch-summary:has(.diag-primary:not(:disabled)){border-color:#d8c6ef;box-shadow:0 2px 0 #e4d9f1,0 0 28px #a785e01c}
.diag-launch-summary h2{font-family:'Nunito',sans-serif;font-weight:900;letter-spacing:-.4px}
.diag-primary{position:relative;isolation:isolate;overflow:hidden;transition:transform .14s ease,box-shadow .2s ease,filter .2s ease}
.diag-primary:not(:disabled){background:linear-gradient(115deg,#61d50c,#58c900 70%,#6bd919);box-shadow:0 3px 0 #46a302,0 5px 18px #58cc0230}
.diag-primary:not(:disabled)::after{content:'';position:absolute;inset:-65% auto -65% -65%;width:35%;background:linear-gradient(90deg,transparent,#ffffff65,transparent);transform:skewX(-20deg);pointer-events:none;animation:diag-cta-sheen 5.4s ease-in-out 1s infinite}
.diag-primary:not(:disabled):hover{filter:brightness(1.035);transform:translateY(-1px);box-shadow:0 4px 0 #46a302,0 8px 24px #58cc0245}
.diag-primary:not(:disabled):active{transform:translateY(2px) scale(.992);box-shadow:0 1px 0 #46a302,0 2px 10px #58cc0220}
.diag-primary>span{transition:transform .18s ease}.diag-primary:hover>span{transform:translateX(3px)}
@keyframes diag-cta-sheen{0%,65%{left:-65%;opacity:0}70%{opacity:1}90%,100%{left:140%;opacity:0}}
@keyframes diag-choice-pop{0%{transform:scale(.92)}60%{transform:scale(1.08)}100%{transform:scale(1)}}
@media(prefers-reduced-motion:reduce){.diag-primary,.diag-primary>span,.diag-subject,.diag-launch-summary{transition:none}.diag-primary::after,.diag-subject:has(input:checked) .diag-subject-icon{animation:none!important}.diag-primary:hover,.diag-subject:active:not(.unavailable){transform:none}}
@media(max-width:380px) and (max-height:600px){.diag-guest-main:has(.diag-setup){padding-top:4px;padding-bottom:0}.diag-launch-heading .diag-eyebrow{display:none}.diag-launch-heading{margin-bottom:7px}.diag-launch-free{margin-top:5px}}
/* Question navigation: compact tiles and a single, consistent action row. */
.diag-playing .question-progress{gap:14px;padding:8px 12px}
.diag-playing .question-rail{min-width:0;grid-auto-columns:34px;gap:6px;padding:4px}
.diag-playing .question-rail a{box-sizing:border-box;display:grid;place-items:center;height:34px;padding:0;border:1px solid #e9e6ee;border-radius:9px;background:#f7f7f9;color:#696271;font:900 .8rem/1 'Nunito',sans-serif;text-decoration:none;transition:background .16s ease,border-color .16s ease,box-shadow .16s ease}
.diag-playing .question-rail a.answered{background:#f2ecfc;border-color:#e2d5f5;color:#7655b5}
.diag-playing .question-rail a.current{background:#58cc02;border-color:#46a302;color:#fff;box-shadow:0 2px 0 #46a302}
.diag-playing .question-rail a:hover:not(.current){background:#eae0fb;border-color:#c9b4ec;color:#6339a4}
.diag-playing .question-rail a:focus-visible{outline:3px solid #7041d5;outline-offset:2px}
.diag-playing .diag-review-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:14px;padding-top:16px;border-top:1px solid #efedf2}
.diag-playing .diag-review-actions .exam-button{box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:12px 20px;border-radius:12px;font-weight:900;text-align:center;text-decoration:none}
.diag-playing .diag-review-actions .diag-previous{background:#f1f2f4;color:#666371;border:1px solid #e2e3e8;box-shadow:0 2px 0 #e2e3e8}
.diag-playing .diag-review-actions .diag-previous:hover:not(:disabled){background:#e8e9ed;color:#494452;box-shadow:0 2px 0 #d8d9df}
.diag-playing .diag-review-actions .exam-button:disabled{opacity:.45;cursor:default;box-shadow:none}
.diag-playing .diag-review-actions>:last-child{margin-left:auto}
@media(max-width:760px){
 .diag-playing .question-progress{padding:6px;gap:6px}
 .diag-playing .diag-review-actions .exam-button{padding:12px 14px;font-size:.85rem}
 .diag-playing .diag-review-actions>:last-child{max-width:65%}
}
@media(prefers-reduced-motion:reduce){.diag-playing .question-rail a,.diag-playing .diag-review-actions .exam-button{transition:none;transform:none}}

/* Compact mobile questions while retaining comfortable answer targets. */
@media(max-width:760px){
 .diag-playing .exam-card{padding:10px 12px;border-radius:18px}
 .diag-playing .reader-question{padding:6px 0}
 .diag-playing .question-text,.diag-playing .exam-option,.diag-playing .option-text{font-size:max(15px,.9375rem);line-height:1.42}
 .diag-playing .exam-label{margin-bottom:8px}
 .diag-playing .question-asset{max-width:min(100%,340px);margin:8px auto}
 .diag-playing .exam-options{gap:5px;margin-top:8px}
 .diag-playing .exam-option{min-height:44px;padding:6px 9px}
 .diag-playing .question-progress{margin-top:4px;padding:3px 5px}
}