@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{color-scheme:light;--bg:#f5f7f4;--surface:#fff;--text:#15241f;--muted:#76817c;--line:#e5eae5;--green:#1c6b55;--green-dark:#14513f;--green-soft:#e5f2ec;--mint:#d9eee5;--shadow:0 18px 45px rgba(20,53,41,.07);--dock-bg:rgba(255,255,255,.82)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"DM Sans",sans-serif;min-height:100vh;-webkit-font-smoothing:antialiased}button,input{font:inherit}button{color:inherit}.app-shell{width:min(1120px,100%);min-height:100vh;margin:auto;padding:0 40px 120px}.topbar{height:82px;display:flex;align-items:center;justify-content:space-between}.wordmark{font:800 25px Manrope,sans-serif;letter-spacing:-1.4px;color:var(--text);text-decoration:none}.wordmark span{color:#56a786}.top-actions{display:flex;gap:10px}.icon-button,.close-button{width:42px;height:42px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--line);border-radius:50%;cursor:pointer;box-shadow:0 4px 14px rgba(23,50,39,.04);transition:.2s}.icon-button:hover{transform:translateY(-2px);border-color:#b9d6c9}.icon-button svg,.dock-icon svg,.search-field svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}main{max-width:960px;margin:0 auto}.view{display:none;animation:appear .35s ease}.view.active{display:block}@keyframes appear{from{opacity:.3;transform:translateY(6px)}to{opacity:1;transform:none}}.hero{position:relative;overflow:hidden;min-height:390px;background:#e9f3ed;border:1px solid #dfebe3;border-radius:28px;padding:52px 58px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.eyebrow{font-size:10px;letter-spacing:1.55px;color:#7a8981;font-weight:700}.eyebrow-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#5ba889;margin:0 8px 0 0}.hero h1,.view-heading h1{font:700 clamp(42px,7vw,66px)/1.02 Manrope,sans-serif;letter-spacing:-3.5px;margin:19px 0 15px}.hero h1 em{font-style:normal;color:var(--green)}.hero-copy{font-size:15px;line-height:1.65;color:#66746d;max-width:360px;margin:0 0 25px}.primary-button{border:0;background:var(--green);color:white;border-radius:14px;padding:15px 20px;font-weight:700;font-size:13px;cursor:pointer;box-shadow:0 8px 16px rgba(28,107,85,.17);transition:background .2s,transform .2s}.primary-button:hover{background:var(--green-dark);transform:translateY(-1px)}.primary-button span{padding-left:10px}.hero-art{position:absolute;width:310px;height:310px;right:74px;top:40px;display:grid;place-items:center}.orbit{position:absolute;border:1px solid rgba(52,130,99,.13);border-radius:50%}.orbit-one{width:300px;height:300px}.orbit-two{width:220px;height:220px}.art-core{width:140px;height:140px;border-radius:43% 57% 60% 40%/49% 43% 57% 51%;background:linear-gradient(145deg,#76bb99,#438f70);display:grid;place-items:center;transform:rotate(-14deg);box-shadow:0 22px 50px rgba(40,116,83,.24)}.art-core span{font:800 90px Manrope,sans-serif;color:#f1fbf5;transform:rotate(14deg);letter-spacing:-8px}.art-dot{position:absolute;width:20px;height:20px;background:#efbe7f;border-radius:50%;right:34px;top:64px;box-shadow:0 0 0 9px rgba(239,190,127,.17)}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;margin:37px 0 18px}.section-heading h2{font:700 21px Manrope,sans-serif;letter-spacing:-.7px;margin:6px 0 0}.action-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.action-card{position:relative;text-align:left;border:1px solid var(--line);background:var(--surface);padding:20px;border-radius:18px;min-height:146px;cursor:pointer;transition:.2s}.action-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d2e5d9}.card-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;margin-bottom:16px;font-size:19px;font-weight:700}.mint{background:#e2f2e9;color:#368363}.lilac{background:#eeebfa;color:#796bb3}.peach{background:#fbefe3;color:#bd8050}.action-title{display:block;font:700 15px Manrope,sans-serif}.action-subtitle{display:block;color:var(--muted);font-size:11px;margin-top:5px}.card-arrow{position:absolute;right:19px;top:23px;color:#8b9991}.notice{display:flex;align-items:flex-start;gap:10px;margin-top:26px;color:#79837e;font-size:11px;line-height:1.6}.notice-mark{display:grid;place-items:center;flex:0 0 17px;height:17px;border:1px solid #aebbb3;border-radius:50%;font-size:10px;font-weight:700}.view-heading{display:flex;align-items:flex-end;justify-content:space-between;margin:37px 0 17px}.view-heading h1{font-size:clamp(32px,5vw,46px);letter-spacing:-2px;margin:8px 0 0}.counter{font-size:12px;color:var(--muted);padding-bottom:7px;font-variant-numeric:tabular-nums}.progress-track{height:3px;background:#e2e8e2;border-radius:5px;overflow:hidden}.progress-track span{display:block;height:100%;background:#5ba889;border-radius:5px;transition:width .25s}.swipe-hint{margin:25px 0 12px;color:#a0aaa4;font-size:9px;letter-spacing:1.4px;font-weight:700}.swipe-hint span{font-size:13px;margin-left:5px}.study-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:38px 42px;min-height:290px;box-shadow:var(--shadow);touch-action:pan-y}.tag{display:inline-flex;align-items:center;border-radius:999px;padding:7px 10px;background:var(--green-soft);color:var(--green);font-size:10px;font-weight:700;letter-spacing:.3px}.study-card h2{font:700 29px Manrope,sans-serif;letter-spacing:-1.1px;margin:17px 0 10px}.study-card .lead{font:500 17px/1.65 Manrope,sans-serif;color:#34483e;max-width:680px}.study-card .body{font-size:13px;line-height:1.75;color:var(--muted);max-width:680px}.reference{border-top:1px solid var(--line);padding-top:15px;margin-top:24px;font-size:10px;line-height:1.6;color:#87918b}.study-controls{display:flex;justify-content:space-between;gap:10px;margin-top:17px}.secondary-button{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px 16px;font-weight:600;font-size:12px;cursor:pointer}.compact{padding:13px 16px;font-size:12px}.gesture-note{text-align:center;color:#9aa39e;font-size:10px;margin-top:14px}.question-options{display:grid;gap:9px;margin-top:24px}.question-option{display:flex;gap:11px;align-items:flex-start;text-align:left;border:1px solid var(--line);background:var(--surface);padding:12px 14px;border-radius:12px;cursor:pointer;font-size:12px;line-height:1.5}.question-option .letter{width:22px;height:22px;display:grid;place-items:center;border-radius:7px;background:#f0f3f0;color:#66776c;font-size:10px;font-weight:700;flex:0 0 22px}.question-option.selected{border-color:#71ac8e;background:#f2f8f4}.question-option.correct{border-color:#68aa85;background:#eef8f1}.question-option.incorrect{border-color:#dfa590;background:#fff4ef}.answer-feedback{margin-top:12px;padding:12px;border-radius:10px;background:#f2f6f2;font-size:11px;line-height:1.6;color:#627068}.profile-card{display:flex;align-items:center;gap:15px;background:var(--surface);border:1px solid var(--line);padding:20px;border-radius:18px;margin-top:23px}.avatar{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;background:var(--green-soft);color:var(--green);font:700 19px Manrope}.profile-card h2{font:700 15px Manrope;margin:0 0 5px}.profile-card p,.empty-state p{font-size:12px;color:var(--muted);margin:0}.empty-state{background:var(--surface);border:1px dashed #d7e0d8;border-radius:18px;padding:32px;text-align:center}.empty-icon{font-size:25px;color:#5ba889}.empty-state h3{font:700 15px Manrope;margin:12px 0 7px}.empty-state p{max-width:300px;margin:0 auto;line-height:1.6}.text-button{border:0;background:none;color:var(--green);font-weight:700;font-size:12px;margin-top:17px;cursor:pointer}.dock{position:fixed;z-index:10;left:50%;bottom:20px;transform:translateX(-50%);display:flex;align-items:center;gap:6px;padding:8px 10px;border:1px solid rgba(220,228,221,.8);border-radius:21px;background:var(--dock-bg);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:0 12px 38px rgba(18,47,35,.14)}.dock-item{width:67px;height:58px;border:0;background:transparent;border-radius:14px;color:#7a8780;display:flex;flex-direction:column;gap:4px;align-items:center;justify-content:center;font-size:9px;font-weight:600;cursor:pointer;transition:.2s}.dock-item:hover,.dock-item.active{background:var(--green-soft);color:var(--green)}.dock-icon{height:21px;display:grid;place-items:center}.dock-icon svg{width:19px;height:19px}.dock-home{width:72px;height:58px;border:0;border-radius:15px;background:var(--green);color:white;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;cursor:pointer}.dock-home svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.home-label{font:700 10px Manrope;letter-spacing:0}.search-overlay{position:fixed;z-index:30;inset:0;background:rgba(13,26,20,.26);backdrop-filter:blur(5px);display:none;align-items:flex-start;justify-content:center;padding:14vh 18px 24px}.search-overlay.open{display:flex;animation:fade .18s ease}@keyframes fade{from{opacity:0}to{opacity:1}}.search-panel{width:min(620px,100%);max-height:72vh;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:21px;box-shadow:0 28px 90px rgba(8,31,20,.22);padding:20px}.search-topline{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.close-button{width:30px;height:30px;font-size:21px;box-shadow:none}.search-field{height:56px;display:flex;align-items:center;gap:12px;border:1px solid #cddbd1;background:var(--bg);padding:0 15px;border-radius:14px}.search-field svg{flex:0 0 20px;color:#75847b}.search-field input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--text);font-size:14px}.search-field input::placeholder{color:#9aa59e}.search-field kbd{font-size:9px;color:#919b94;border:1px solid var(--line);border-radius:5px;padding:4px 6px}.search-meta{font-size:10px;color:#8a958e;margin:14px 2px 8px}.search-results{overflow:auto;max-height:calc(72vh - 190px)}.result-item{width:100%;border:0;background:transparent;text-align:left;display:block;padding:13px 12px;border-radius:12px;cursor:pointer}.result-item:hover,.result-item.highlighted{background:var(--green-soft)}.result-top{display:flex;gap:9px;align-items:center}.result-type{font-size:9px;font-weight:700;color:var(--green);background:#eaf4ee;border-radius:6px;padding:4px 7px}.result-title{font:700 13px Manrope}.result-subtitle{font-size:10px;color:#849088;margin:5px 0 0 60px;line-height:1.5}.no-results{padding:28px 10px;text-align:center;color:var(--muted);font-size:12px}.search-footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:13px 2px 0;margin-top:9px;color:#98a29b;font-size:9px;letter-spacing:.5px}
:focus-visible{outline:3px solid #75b595;outline-offset:3px}
body.dark{color-scheme:dark;--bg:#111916;--surface:#19231e;--text:#edf5ef;--muted:#a0ada5;--line:#2a3830;--green:#78c2a0;--green-dark:#5dab87;--green-soft:#20392d;--shadow:0 18px 45px rgba(0,0,0,.18);--dock-bg:rgba(25,35,30,.84)}body.dark .hero{background:#1b2d24;border-color:#293e32}body.dark .hero-copy,body.dark .study-card .lead{color:#b7c6bc}body.dark .orbit{border-color:rgba(139,205,167,.14)}body.dark .tag,.dark .result-type{background:#20392d;color:#8bd1ac}body.dark .notice-mark{border-color:#68786d}body.dark .question-option .letter{background:#25322b;color:#c0cec4}body.dark .question-option.selected,body.dark .question-option.correct{background:#20392d}body.dark .question-option.incorrect{background:#3b2923}body.dark .answer-feedback{background:#202c25;color:#bdc9c1}body.dark .search-field{background:#111916;border-color:#3c5044}body.dark .dock-item:hover,body.dark .dock-item.active{color:#91d5b0}
@media(max-width:700px){.app-shell{padding:0 19px 110px}.topbar{height:69px}.hero{min-height:380px;padding:34px 28px;justify-content:flex-start}.hero h1{font-size:54px;margin-top:24px}.hero-copy{max-width:290px;font-size:14px}.hero-art{width:185px;height:185px;top:auto;right:-17px;bottom:-22px;opacity:.85}.orbit-one{width:184px;height:184px}.orbit-two{width:137px;height:137px}.art-core{width:95px;height:95px}.art-core span{font-size:62px}.art-dot{right:18px;top:23px;width:14px;height:14px}.action-grid{gap:9px}.action-card{padding:14px 12px;min-height:133px;border-radius:15px}.card-icon{width:32px;height:32px;margin-bottom:13px}.action-title{font-size:13px}.action-subtitle{font-size:10px;line-height:1.4}.card-arrow{right:12px;top:18px}.section-heading{margin-top:31px}.section-heading h2{font-size:18px}.notice{font-size:10px}.view-heading{margin-top:28px}.view-heading h1{font-size:34px}.study-card{padding:27px 22px;min-height:320px}.study-card h2{font-size:25px}.study-card .lead{font-size:15px}.dock{bottom:11px;width:calc(100% - 22px);max-width:430px;justify-content:space-between;gap:1px;padding:7px 5px;border-radius:19px}.dock-item{width:auto;flex:1;height:55px;font-size:8px} .dock-home{width:72px;height:55px;gap:3px}.dock-home svg{width:19px;height:19px}.home-label{font-size:9px}.search-overlay{padding-top:9vh}.search-panel{padding:16px}.profile-card{margin-top:18px}}
@media(max-width:360px){.app-shell{padding-left:14px;padding-right:14px}.action-grid{grid-template-columns:1fr}.action-card{min-height:94px}.card-icon{float:left;margin-right:12px}.action-title,.action-subtitle{padding-top:3px}.dock-home{width:64px}.home-label{font-size:9px}.dock-item{font-size:7px}}
.resume-panel{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:26px 0 36px;padding:19px 21px;background:var(--surface);border:1px solid var(--line);border-radius:17px;box-shadow:var(--shadow)}.resume-panel p{margin:7px 0 0;color:var(--text);font:600 14px Manrope,sans-serif}.subject-heading{margin-top:37px}.section-copy{margin:7px 0 0;color:var(--muted);font-size:12px;line-height:1.55}.subject-group{margin:22px 0 30px}.subject-group-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:11px}.subject-total{font-size:10px;color:var(--muted)}.subject-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.subject-card{position:relative;min-height:78px;text-align:left;padding:15px 34px 14px 15px;background:var(--surface);border:1px solid var(--line);border-radius:14px;color:var(--text);cursor:pointer;transition:border-color .15s,transform .15s}.subject-card:hover{border-color:#82b99a;transform:translateY(-1px)}.subject-name{display:block;font:700 12px/1.4 Manrope,sans-serif}.subject-phase{display:block;margin-top:5px;color:var(--green);font-size:9px;font-weight:700;line-height:1.3}.subject-count{display:block;margin-top:4px;color:var(--muted);font-size:10px;line-height:1.35}.subject-arrow{position:absolute;right:13px;top:17px;color:var(--green)}.subject-filter{display:flex;align-items:center;gap:10px;margin:-4px 0 16px;color:var(--muted);font-size:11px}.subject-filter select{max-width:min(270px,70vw);padding:9px 34px 9px 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text);font:inherit}.study-card .study-actions{display:flex;flex-wrap:wrap;gap:8px;margin:21px 0 0}.study-state{border:1px solid var(--line);border-radius:999px;padding:9px 12px;background:var(--surface);color:var(--muted);font-size:10px;font-weight:700;cursor:pointer}.study-state:hover,.study-state.chosen{border-color:#79ad8e;background:var(--green-soft);color:var(--green)}.submit-answer{margin-top:16px}.primary-button:disabled,.secondary-button:disabled{opacity:.42;cursor:not-allowed;transform:none}.profile-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:15px 0 30px}.mini-stat{padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:14px}.mini-stat strong{display:block;font:700 22px Manrope,sans-serif;color:var(--green)}.mini-stat span{display:block;margin-top:4px;font-size:10px;color:var(--muted)}.saved-list{display:grid;gap:8px}.saved-row{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:13px;color:var(--text);cursor:pointer}.saved-row:hover{border-color:#82b99a}.saved-row strong,.saved-row small{display:block}.saved-row strong{font:700 12px Manrope,sans-serif}.saved-row small,.muted-copy{margin-top:5px;color:var(--muted);font-size:10px;line-height:1.5}.catalog-error{padding:18px;color:var(--muted);font-size:12px}
body.dark .resume-panel{background:#1b2d24}body.dark .subject-filter select{background:var(--surface);color:var(--text)}body.dark .study-state.chosen{color:#91d5b0}
@media(max-width:700px){.subject-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.resume-panel{padding:15px;align-items:flex-start}.resume-panel .compact{white-space:nowrap}.subject-card{min-height:75px;padding-left:12px}.subject-name{font-size:11px}.subject-count{font-size:9px}.subject-group{margin:19px 0 26px}.subject-filter{justify-content:space-between}.profile-stats{margin-bottom:25px}}
@media(max-width:360px){.subject-grid{grid-template-columns:1fr}.resume-panel{flex-direction:column}.resume-panel .compact{width:100%}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* Static curriculum and question routes */
.route-page{max-width:760px;margin:2rem auto 7rem;padding:0 1.25rem;line-height:1.65}
.route-page nav{font-size:.9rem;margin-bottom:2rem}
.route-page h1{font-size:clamp(2rem,6vw,3.4rem);line-height:1.12;margin:0 0 1rem}
.route-page ul,.route-page ol{padding-left:1.5rem}
.route-page li{margin:.7rem 0}
.route-page a,.route-nav a{color:inherit;text-underline-offset:3px}
.route-page details{border:1px solid currentColor;border-radius:12px;padding:1rem;margin:1.5rem 0}
.route-page summary{cursor:pointer;font-weight:700}
.route-nav{position:fixed;bottom:1rem;left:50%;transform:translateX(-50%);display:flex;gap:1rem;justify-content:center;max-width:calc(100% - 2rem);padding:.85rem 1.2rem;border-radius:2rem;background:#fff;box-shadow:0 8px 30px #0002;white-space:nowrap}
@media(max-width:480px){.route-nav{gap:.7rem;font-size:.85rem}}

/* Focused study UI */
.home-intro{padding:30px 0 12px}
.home-intro h1{font:700 clamp(30px,6vw,48px)/1.12 Manrope,sans-serif;letter-spacing:-2px;margin:12px 0}
.home-intro h1 em{font-style:normal;color:var(--green)}
.home-intro>p{color:var(--muted);font-size:14px;margin:0}
.home-counts{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.home-counts span{padding:9px 12px;background:var(--surface);border:1px solid var(--line);border-radius:11px;color:var(--muted);font-size:11px}
.home-counts strong{color:var(--text);font-size:14px;margin-right:4px}
.subject-heading{margin-top:24px}
#view-test .view-heading{margin-top:24px}
#view-test .swipe-hint{margin:12px 0 8px}
#test-card{position:relative;padding:28px clamp(18px,4vw,36px)}
#test-card .tag{max-width:calc(100% - 128px)}
.save-question{position:absolute;right:22px;top:22px;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:8px 11px;color:var(--green);font-size:11px;font-weight:700}
#test-card h2.question-stem{font:650 clamp(19px,3.8vw,26px)/1.38 Manrope,sans-serif;letter-spacing:-.4px;margin:20px 0}
#test-card .question-options{margin-top:16px}
#test-card .question-option{font-size:14px;padding:14px}
.saved-filters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0}
.saved-question{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:14px;margin:8px 0;padding:4px 9px}
.saved-question .saved-row{flex:1;border:0;background:transparent;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 7px;cursor:pointer}
.saved-row strong{display:block;font-size:13px}
.saved-row small{display:block;color:var(--muted);margin-top:4px;font-size:10px}
.saved-row>span:last-child{color:var(--green);font-size:11px;white-space:nowrap}
.unsave-button{border:0;background:transparent;color:var(--green);font-size:18px;padding:8px}
@media(max-width:520px){
 .app-shell{padding:0 16px 105px}
 .home-intro{padding-top:20px}
 .dock{bottom:12px;gap:0;padding:6px;border-radius:18px;max-width:calc(100vw - 16px)}
 .dock-item{width:51px;height:52px;font-size:8px}
 .dock-home{width:55px;height:52px}
 .dock-icon svg{width:18px;height:18px}
 .saved-filters{grid-template-columns:1fr;gap:8px}
 #test-card{padding:22px 16px}
 .save-question{right:14px;top:17px;padding:7px 9px}
 #test-card .tag{max-width:calc(100% - 118px)}
}
@media(prefers-reduced-motion:reduce){.view,.icon-button,.primary-button,.progress-track span{animation:none;transition:none}}

.subject-card{display:block;text-decoration:none}


/* 2026-10-04: calmer NEET.UG-style study reader. */
.study-view{position:relative;min-height:calc(100svh - 82px);padding:12px 0 96px}
.study-view .view-heading{margin:0 0 12px;align-items:center}
.study-view .view-heading>div{display:none}
.study-view .counter{padding:0;font-size:11px;font-weight:700;letter-spacing:.08em}
.study-view .subject-filter,.study-view .progress-track,.study-view .swipe-hint,.study-view .gesture-note{display:none}
.study-view .study-card{min-height:calc(100svh - 205px);padding:28px 30px 92px;border-radius:24px;box-shadow:none;display:flex;flex-direction:column;justify-content:center;position:relative}
.study-view .tag{align-self:flex-start;margin-bottom:10px}
.study-view .study-card h2{font-size:clamp(25px,6vw,38px);line-height:1.12;margin:12px 0}
.study-view .study-card .lead{font-size:clamp(16px,4vw,20px);line-height:1.55;margin:8px 0}
.study-view .study-card .body{font-size:14px;line-height:1.65;margin:8px 0}
.study-view .reference{font-size:10px;margin-top:18px;padding-top:12px}
.study-view .study-actions{margin-top:18px}
.study-view .study-controls{position:absolute;z-index:2;left:50%;bottom:102px;transform:translateX(-50%);width:min(420px,calc(100% - 48px));margin:0;pointer-events:none}
.study-view .study-controls button{pointer-events:auto}
#test-card .save-question{top:24px;right:24px}
#test-card .question-stem{font-size:clamp(20px,5.2vw,30px);line-height:1.32;margin:18px 0}
#test-card .question-options{gap:10px;margin-top:12px}
#test-card .question-option{font-size:14px;padding:14px}
.dock{gap:3px}
.dock-item,.dock-home{width:72px}
@media(max-width:620px){
  .app-shell{padding-left:18px;padding-right:18px;padding-bottom:96px}
  .topbar{height:68px}
  .study-view{min-height:calc(100svh - 68px);padding-top:4px}
  .study-view .view-heading{height:24px;margin:0 0 6px;justify-content:flex-end}
  .study-view .study-card{min-height:calc(100svh - 172px);padding:24px 26px 88px;border-radius:22px}
  .study-view .study-card h2{letter-spacing:-.8px}
  .study-view .study-actions{gap:7px}
  .study-view .study-state{font-size:11px;padding:10px 12px}
  .study-view .reference{max-height:72px;overflow:auto}
  .study-view .study-controls{display:none}
  .dock{width:calc(100% - 36px);justify-content:space-around;padding:6px 8px;bottom:10px}
  .dock-item,.dock-home{width:auto;flex:1 1 0;height:58px}
}

/* Three study streams + Subject Explorer dock. */
#view-learn .study-card,#view-test .study-card{position:relative}
#view-learn .question-stem,#view-test .question-stem{font-size:clamp(20px,5.2vw,30px);line-height:1.32;margin:18px 0}
#view-learn .question-options,#view-test .question-options{gap:10px;margin-top:12px}
#view-learn .question-option,#view-test .question-option{font-size:14px;padding:14px}
#view-explore{padding-bottom:100px}
.dock .dock-item{flex:1 1 0;width:auto;min-width:0}
@media(max-width:620px){.dock{width:calc(100% - 16px);max-width:620px}.dock-item{font-size:8px;padding-inline:2px}.dock-icon svg{width:18px;height:18px}}


/* Stream chrome: NEET.UG-style full-card vertical reader. */
.topbar{position:relative}
.topbar>#theme-toggle{order:0}
.topbar .wordmark{order:1}
.stream-subject{order:2;margin-left:auto;display:none;max-width:42vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:750;color:var(--muted);letter-spacing:.02em}
.stream-subject.visible{display:block}
.study-view .counter{display:none!important}
.study-view .view-heading{display:none!important}
.study-view{padding-top:4px;touch-action:pan-y}
.study-view .study-card{touch-action:pan-y}
@media(max-width:620px){
 .topbar{display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:10px}
 .topbar>#theme-toggle{grid-column:1;grid-row:1;justify-self:start}
 .topbar .wordmark{grid-column:2;grid-row:1}
 .stream-subject{grid-column:3;grid-row:1;justify-self:end}
 .study-view{padding-top:0}
 .study-view .study-card{min-height:calc(100svh - 142px)}
}


/* Subject Explorer is a stream, not a document index. */
.subject-picker-card{max-width:760px;margin-inline:auto}
.subject-picker-card h2{margin-bottom:8px}
.picker-field{display:grid;gap:7px;margin-top:18px;font-size:11px;font-weight:750;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.picker-field select{width:100%;border:1px solid var(--line);border-radius:14px;background:transparent;color:var(--text);font:inherit;font-size:15px;font-weight:650;letter-spacing:0;text-transform:none;padding:14px 42px 14px 14px}
.mode-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:26px}
.mode-picker button{border:1px solid var(--line);border-radius:14px;background:var(--accent-soft);color:var(--accent);font:inherit;font-weight:800;padding:15px 8px}
.picker-hint{text-align:center;color:var(--muted);font-size:11px;margin:18px 0 0}
body.dark .picker-field select{background:#14251d;color:var(--text)}

/* Question metadata lives in the top-right chrome; references live with explanations. */
.stream-subject{max-width:55vw;text-align:right}
.explanation-popup{position:fixed;z-index:20;left:50%;top:50%;transform:translate(-50%,-50%);width:min(560px,calc(100% - 36px));max-height:min(70svh,620px);overflow:auto;padding:24px;border:1px solid var(--line);border-radius:22px;background:var(--surface);box-shadow:0 24px 80px rgba(0,0,0,.2);color:var(--text)}
.explanation-popup p{line-height:1.6}
.explanation-popup .reference{max-height:none;overflow:visible;margin-top:18px}
.explanation-close{position:absolute;right:12px;top:10px;border:0;background:transparent;color:var(--muted);font-size:28px;line-height:1;cursor:pointer}


/* Reel layout: viewport is fixed; only the active card changes on swipe. */
html,body{height:100%;overscroll-behavior:none}
body:has(.study-view.active){overflow:hidden}
.app-shell:has(.study-view.active){height:100svh;overflow:hidden;padding-bottom:0}
main:has(.study-view.active){height:calc(100svh - 78px);overflow:hidden}
.study-view.active{height:calc(100svh - 78px);min-height:0;padding:0 0 92px;overflow:hidden}
.study-view.active .study-card{height:100%;min-height:0;overflow:hidden;padding:18px 24px 20px;justify-content:center}
.study-view.active .question-stem{font-size:clamp(18px,4.8vw,27px)!important;line-height:1.24!important;margin:10px 0!important}
.study-view.active .question-options{gap:7px!important;margin-top:8px!important}
.study-view.active .question-option{padding:10px 12px!important;font-size:13px!important;line-height:1.3}
.study-view.active .submit-answer{margin-top:10px}
.study-view.active .save-question{top:14px;right:14px}
.study-view.active .study-actions{margin-top:10px}
.study-view.active .study-card .lead{font-size:clamp(14px,3.7vw,18px);line-height:1.42}
.study-view.active .study-card .body{font-size:12px;line-height:1.45}
.study-view.active .reference{font-size:9px;margin-top:9px;padding-top:8px}
.randomise-picker{width:100%;margin-top:14px;border:1px dashed var(--line);border-radius:14px;background:transparent;color:var(--accent);font:inherit;font-size:13px;font-weight:750;padding:12px}
#view-explore.active{padding-bottom:92px}
#view-explore.active .subject-picker-card{justify-content:center}
#view-explore.active .picker-field{margin-top:12px}
#view-explore.active .picker-field select{padding:11px 40px 11px 12px}
#view-explore.active .mode-picker{margin-top:14px}
#view-explore.active .mode-picker button{padding:12px 6px}
@media(max-width:620px){
 main:has(.study-view.active){height:calc(100svh - 68px)}
 .study-view.active{height:calc(100svh - 68px);padding-bottom:88px}
 .study-view.active .study-card{border-radius:20px;padding:14px 18px 16px}
 #view-explore.active{padding-bottom:88px}
}

.question-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:10px}
.secondary-button{border:1px solid var(--line);border-radius:14px;background:transparent;color:var(--text);font:inherit;font-weight:800;padding:12px}
.secondary-button:disabled{opacity:.38}
.question-actions .primary-button{margin-top:0}

.all-subjects-toggle{display:flex;align-items:center;gap:9px;margin-top:14px;font-size:13px;font-weight:750;color:var(--text)}
.all-subjects-toggle input{width:18px;height:18px;accent-color:var(--accent)}
.picker-field select:disabled,.randomise-picker:disabled{opacity:.42;cursor:not-allowed}

.test-progress{position:absolute;top:18px;left:28px;right:112px}
.test-progress-meta{display:flex;justify-content:space-between;gap:12px;margin-bottom:6px;font-size:11px;font-weight:800;color:var(--muted)}
.test-progress-track{height:4px;border-radius:999px;background:var(--line);overflow:hidden}
.test-progress-track span{display:block;height:100%;border-radius:inherit;background:var(--accent)}
@media(max-width:560px){.test-progress{left:28px;right:116px;top:20px}}

.compact-profile{overflow:hidden;padding-bottom:calc(var(--dock-h) + 12px)}
.compact-profile .view-heading{margin-bottom:12px}.compact-profile h1{font-size:clamp(28px,7vw,42px)}
.profile-dashboard{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.profile-subject-stats{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.metric-tile{min-width:0;border:1px solid var(--line);background:var(--surface);border-radius:16px;padding:12px 8px;text-align:left;color:var(--text)}
.metric-tile strong{display:block;font-size:22px;color:var(--accent-strong)}.metric-tile span{font-size:10px;color:var(--muted);font-weight:750}
.profile-chart,.subject-spark{grid-column:1/-1;border:1px solid var(--line);background:var(--surface);border-radius:18px;padding:14px}
.chart-title{display:flex;justify-content:space-between;font-size:11px;margin:4px 0 6px}.metric-bar{height:7px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:12px}.metric-bar span,.subject-spark b{display:block;height:100%;background:var(--accent-strong);border-radius:99px}
.subject-spark{display:grid;gap:7px}.subject-spark button{display:grid;grid-template-columns:110px 1fr 36px;gap:8px;align-items:center;border:0;background:none;color:var(--text);padding:0;font:inherit;font-size:10px;text-align:left}.subject-spark i{height:5px;background:var(--line);border-radius:99px;overflow:hidden}.subject-spark strong{text-align:right}
.profile-hint{text-align:center;color:var(--muted);font-size:11px;margin:9px 0 0}
.dock-search .dock-icon{width:38px;height:38px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font:700 30px/1 Arial,sans-serif;transform:rotate(-18deg)}.dock-search .dock-icon svg{width:21px;height:21px;color:inherit;stroke:currentColor;stroke-width:1.9}.dock-search:hover .dock-icon,.dock-search:focus-visible .dock-icon{background:var(--green-dark)}body.dark .dock-search .dock-icon{background:var(--green);color:#102018}body.dark .dock-search:hover .dock-icon,body.dark .dock-search:focus-visible .dock-icon{background:#8bd1ac}
.profile-detail{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.3);display:none;align-items:flex-end;padding:18px}.profile-detail.open{display:flex}.profile-detail-card{width:min(100%,560px);max-height:70vh;overflow:auto;margin:auto;background:var(--surface);border-radius:24px;padding:20px;position:relative}.profile-detail-card>button{position:absolute;right:14px;top:12px;border:0;background:none;font-size:28px}.profile-detail-card h2{margin:0 0 16px}.profile-detail-card #profile-detail-body div{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-top:1px solid var(--line);font-size:12px}
@media(max-width:560px){.dock{gap:0}.dock-item{font-size:9px}.profile-dashboard{gap:6px}.metric-tile{padding:10px 7px}.subject-spark{padding:11px}}
.profile-tabs{grid-column:1/-1;display:flex;gap:6px;padding:3px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.profile-tabs button{flex:1;border:0;border-radius:10px;background:transparent;color:var(--muted);font:inherit;font-size:11px;font-weight:750;padding:8px 5px}
.profile-tabs button.active{background:var(--accent-soft);color:var(--accent-strong)}
.subject-spark button[hidden]{display:none}
.profile-overall{grid-column:1/-1;display:flex;justify-content:space-between;gap:8px;padding:0 4px;font-size:10px;color:var(--muted)}
.profile-overall strong{color:var(--text)}
.profile-subject-cell{grid-column:1/-1;width:100%;min-height:42px;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--text);font:inherit;font-size:11px;font-weight:750;text-align:center;padding:0 12px}
.profile-pagination{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted)}
.profile-pagination button{border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);padding:7px 9px}
.profile-pagination button:disabled{opacity:.35}
.topic-detail-grid{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:6px}
.topic-detail-grid div{border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:12px}
.topic-detail-grid strong,.topic-detail-grid span{display:block}
.topic-detail-grid strong{font-size:18px}
.topic-detail-grid span{font-size:9px;color:var(--muted);margin-top:4px}
.profile-mode-tabs{margin-bottom:2px}
.profile-subject-cell{grid-column:1/-1;width:100%;height:44px;min-height:44px;display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--text);padding:0 12px;text-align:left;font:inherit;font-size:11px;font-weight:800;cursor:pointer}.profile-subject-cell span{flex:1}.profile-subject-cell:hover{border-color:#82b99a}
.subject-spark button[data-profile-subject]{cursor:pointer}.subject-spark button[data-profile-subject]:hover span{color:var(--green)}
@media(max-width:560px){.profile-group-tabs button{font-size:10px}}
@media(max-width:620px){
.compact-profile{padding-bottom:78px}.compact-profile .view-heading{margin:0 0 6px;align-items:end}.compact-profile .view-heading .eyebrow{font-size:9px}.compact-profile h1{font-size:30px;line-height:1}.compact-profile .view-heading small{font-size:9px}.profile-dashboard{gap:5px}.metric-tile{height:66px;padding:7px;border-radius:13px}.metric-tile strong{font-size:17px;line-height:1.05;white-space:nowrap}.metric-tile span{font-size:8px}.profile-tabs{padding:2px}.profile-tabs button{padding:5px 4px;font-size:9px}.subject-spark{gap:3px;padding:8px 10px;max-height:calc(100svh - 330px);overflow:auto}.subject-spark button{grid-template-columns:100px 1fr 30px;font-size:9px}.profile-hint{display:none}
}