:root{--bg:#080d1b;--panel:#11182d;--panel2:#18213a;--text:#f8fafc;--muted:#a8b3c7;--accent:#7dd3fc;--accent2:#a78bfa;--good:#6ee7b7;--bad:#fda4af;--border:rgba(255,255,255,.1);--shadow:0 18px 55px rgba(0,0,0,.3)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:radial-gradient(circle at 8% 0,rgba(125,211,252,.14),transparent 28%),radial-gradient(circle at 92% 8%,rgba(167,139,250,.15),transparent 30%),var(--bg);min-height:100vh}button,input{font:inherit}a{color:inherit;text-decoration:none}.wrap{width:min(1160px,calc(100% - 40px));margin:auto;padding-bottom:70px}.skip{position:absolute;left:-999px;top:10px;background:white;color:#111;padding:10px;z-index:50}.skip:focus{left:10px}.site-nav{display:flex;align-items:center;justify-content:space-between;padding:22px 0;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900}.logo{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#07111d;box-shadow:0 8px 22px rgba(125,211,252,.2)}.navlinks{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.navlinks a{color:#d5deeb;padding:9px 12px;border-radius:10px}.navlinks a:hover,.navlinks a:focus-visible{background:rgba(255,255,255,.07)}.hero{padding:64px 0 42px;display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center}.eyebrow{color:var(--accent);font-weight:850;letter-spacing:.13em;text-transform:uppercase;font-size:12px}h1{font-size:clamp(42px,7vw,76px);line-height:.98;margin:13px 0 18px;letter-spacing:-.045em}h2{font-size:clamp(26px,4vw,34px);margin:0}h3{margin:10px 0}.lead{color:#cbd5e1;font-size:18px;line-height:1.65;max-width:670px}.gradient-text{background:linear-gradient(100deg,var(--accent),var(--accent2));color:transparent;background-clip:text}.hero-card,.panel,.card,.resource-card{background:linear-gradient(145deg,rgba(17,24,45,.96),rgba(24,33,58,.94));border:1px solid var(--border);box-shadow:var(--shadow)}.hero-card{border-radius:26px;padding:22px}.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.mini{background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:18px;padding:18px;min-height:122px}.icon{font-size:27px}.mini p,.card p,.resource-card p,.muted{color:var(--muted);line-height:1.55}.actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 17px;border-radius:13px;background:var(--panel2);border:1px solid var(--border);font-weight:800;cursor:pointer;color:white;transition:.18s transform,.18s border-color,.18s background}.btn:hover{transform:translateY(-2px);border-color:rgba(125,211,252,.38)}.btn:focus-visible,.card:focus-visible,.resource-card:focus-visible,.flashcard:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#06111d;border:0}.btn.small{padding:9px 12px;font-size:14px}.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}section{margin-top:58px}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:19px}.section-head p{margin:5px 0 0;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.card,.resource-card{display:block;border-radius:20px;padding:20px;min-height:190px;transition:.2s transform,.2s border-color}.card:hover,.resource-card:hover{transform:translateY(-4px);border-color:rgba(125,211,252,.34)}.card h3{margin:14px 0 7px}.link{color:var(--accent);font-weight:800;font-size:14px}.featured{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}.study-set,.focus{border-radius:22px;padding:25px;border:1px solid var(--border)}.study-set{background:linear-gradient(135deg,rgba(125,211,252,.12),rgba(167,139,250,.13))}.focus{background:linear-gradient(145deg,var(--panel),var(--panel2))}.tags{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}.tag,.badge{background:rgba(255,255,255,.07);border:1px solid var(--border);border-radius:999px;padding:7px 10px;font-size:13px;color:#dbeafe}.badge{color:var(--accent);display:inline-block}.timer{font-size:54px;font-weight:900;letter-spacing:-.04em;margin:10px 0}.search-wrap{position:relative;max-width:720px;margin-top:25px}.search{width:100%;background:rgba(17,24,45,.92);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:15px 18px;color:white;box-shadow:var(--shadow)}.search::placeholder{color:#8996aa}.search:focus{outline:3px solid rgba(125,211,252,.25);border-color:var(--accent)}.search-results{position:absolute;z-index:10;top:calc(100% + 8px);width:100%;background:#131b31;border:1px solid var(--border);border-radius:15px;padding:7px;box-shadow:var(--shadow)}.search-results[hidden]{display:none}.search-item{display:block;padding:11px;border-radius:10px}.search-item:hover,.search-item:focus{background:rgba(255,255,255,.07)}.search-item span{display:block;color:var(--muted);font-size:13px;margin-top:3px}.page-head{padding:50px 0 25px}.page-head h1{font-size:clamp(38px,6vw,64px)}.resource-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.resource-card{min-height:205px}.study-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.term{background:rgba(17,24,45,.9);border:1px solid var(--border);border-radius:18px;padding:20px}.term-num{color:var(--accent);font-weight:900;font-size:13px}.term h3{font-size:20px}.term p{color:#cbd5e1;line-height:1.6}.example{border-left:3px solid var(--accent2);padding-left:12px}.hook{color:var(--accent);font-weight:750}.flash-area{max-width:780px;margin:35px auto}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:18px}.stat{background:rgba(17,24,45,.82);border:1px solid var(--border);border-radius:14px;padding:13px;text-align:center}.stat strong{display:block;font-size:22px}.stat span{color:var(--muted);font-size:12px}.flashcard{width:100%;height:390px;padding:0;border:0;background:transparent;perspective:1200px;cursor:pointer;color:inherit}.flash-inner{position:relative;width:100%;height:100%;transition:transform .55s;transform-style:preserve-3d}.flashcard.flipped .flash-inner{transform:rotateY(180deg)}.flash-face{position:absolute;inset:0;backface-visibility:hidden;border-radius:25px;border:1px solid var(--border);box-shadow:var(--shadow);padding:34px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(145deg,#121b32,#1a2440)}.flash-back{transform:rotateY(180deg);background:linear-gradient(145deg,#171b3b,#20264b)}.flash-face h2{font-size:clamp(28px,5vw,42px);text-align:center}.flash-face p{font-size:17px;line-height:1.55;max-width:650px}.flash-hint{position:absolute;bottom:20px;color:var(--muted);font-size:13px}.flash-controls{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:18px}.quiz-shell{max-width:760px;margin:30px auto}.quiz-card{background:linear-gradient(145deg,var(--panel),var(--panel2));border:1px solid var(--border);border-radius:22px;padding:25px;box-shadow:var(--shadow)}.quiz-top{display:flex;justify-content:space-between;color:var(--muted);margin-bottom:18px}.choices{display:grid;gap:10px;margin-top:20px}.choice{text-align:left;justify-content:flex-start}.choice.correct{border-color:var(--good);background:rgba(110,231,183,.13)}.choice.wrong{border-color:var(--bad);background:rgba(253,164,175,.12)}.feedback{min-height:28px;margin-top:16px;font-weight:800}.good{color:var(--good)}.bad{color:var(--bad)}.empty-state{text-align:center;padding:45px}.ai-toggle{position:fixed;right:22px;bottom:22px;z-index:30;width:58px;height:58px;border:0;border-radius:18px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#06111d;font-size:24px;cursor:pointer;box-shadow:0 14px 35px rgba(0,0,0,.4)}.ai-panel{position:fixed;z-index:29;right:20px;bottom:92px;width:min(380px,calc(100vw - 40px));background:#11182d;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow);padding:18px}.ai-panel[hidden]{display:none}.ai-head{display:flex;justify-content:space-between;align-items:center}.ai-head button{background:none;border:0;color:white;font-size:23px;cursor:pointer}.ai-messages{height:210px;overflow:auto;margin:14px 0;padding:12px;background:rgba(0,0,0,.18);border-radius:13px}.msg{padding:9px 11px;border-radius:11px;margin-bottom:8px;line-height:1.4;font-size:14px}.msg.bot{background:rgba(125,211,252,.09)}.msg.user{background:rgba(167,139,250,.12);margin-left:30px}.ai-form{display:flex;gap:8px}.ai-form input{min-width:0;flex:1;background:#0c1325;border:1px solid var(--border);border-radius:11px;padding:11px;color:white}.ai-note{font-size:11px;color:var(--muted);margin:10px 0 0}footer{margin-top:65px;color:#75839a;font-size:14px;text-align:center}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:900px){.hero,.featured{grid-template-columns:1fr}.cards{grid-template-columns:1fr 1fr}.resource-grid{grid-template-columns:1fr}.hero{padding-top:42px}.study-grid{grid-template-columns:1fr}}
@media(max-width:600px){.wrap{width:min(100% - 28px,1160px)}.navlinks{display:none}.cards,.mini-grid{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column}.stats{grid-template-columns:1fr 1fr}.flashcard{height:440px}.flash-face{padding:24px}.page-head{padding-top:30px}.hero{padding-top:35px}.ai-toggle{right:14px;bottom:14px}.ai-panel{right:14px;bottom:82px;width:calc(100vw - 28px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* StudySpace team and first-visit tour */
.logo{font-size:25px;line-height:1;font-weight:950}.nav-tour,.mobile-tour{color:#d5deeb;padding:9px 12px;border:0;border-radius:10px;background:transparent;cursor:pointer}.nav-tour:hover,.nav-tour:focus-visible,.mobile-tour:hover,.mobile-tour:focus-visible{background:rgba(255,255,255,.07)}.mobile-tour{display:none;margin-left:auto}
.team-grid{display:block}.founder-spotlight{position:relative;overflow:hidden;display:grid;grid-template-columns:150px minmax(0,1fr);gap:24px;align-items:center;padding:30px;border:1px solid var(--border);border-radius:24px;background:linear-gradient(135deg,rgba(125,211,252,.15),rgba(167,139,250,.16));box-shadow:var(--shadow)}.founder-spotlight:after{content:"S";position:absolute;right:-16px;bottom:-65px;font-size:220px;font-weight:950;color:rgba(255,255,255,.035);pointer-events:none}.profile-avatar{width:72px;height:72px;display:grid;place-items:center;border-radius:22px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#06111d;font-weight:950;font-size:24px;box-shadow:0 12px 30px rgba(125,211,252,.2)}.founder-avatar{width:140px;height:140px;border-radius:38px;font-size:42px}.profile-copy{position:relative;z-index:1}.profile-copy h3{margin:10px 0 3px;font-size:clamp(25px,3vw,34px)}.profile-role{display:inline-block;padding:7px 11px;border:1px solid rgba(125,211,252,.22);border-radius:999px;background:rgba(125,211,252,.12);color:var(--accent);font-size:12px;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.profile-year{margin:0 0 13px;color:#dbeafe;font-weight:750}.profile-copy>p:not(.profile-year){color:var(--muted);line-height:1.65}.profile-values{display:flex;flex-wrap:wrap;gap:8px;margin-top:17px}.profile-values span{padding:7px 10px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.055);color:#dbeafe;font-size:12px;font-weight:750}
.tour-backdrop{position:fixed;inset:0;z-index:80;background:rgba(2,6,23,.6);backdrop-filter:blur(2px);animation:tour-fade .3s ease both}.tour-card{position:fixed;z-index:82;width:min(390px,calc(100vw - 32px));padding:22px;border:1px solid rgba(125,211,252,.35);border-radius:22px;background:linear-gradient(145deg,#121b32,#1b2542);box-shadow:0 24px 70px rgba(0,0,0,.55);animation:tour-pop .38s cubic-bezier(.2,.8,.2,1) both}.tour-card h2{font-size:24px;margin:5px 0 8px}.tour-card p{color:#cbd5e1;line-height:1.55;margin:0 0 16px}.tour-topline{display:flex;align-items:center;justify-content:space-between;color:var(--accent);font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.tour-skip{border:0;background:transparent;color:var(--muted);cursor:pointer;font-weight:800}.tour-skip:hover{color:white}.tour-arrow{position:absolute;right:20px;top:45px;color:var(--accent);font-size:30px;animation:tour-arrow 1.1s ease-in-out infinite}.tour-actions{display:flex;justify-content:flex-end;gap:9px}.tour-progress{display:flex;gap:6px;margin:0 0 18px}.tour-progress span{width:23px;height:5px;border-radius:999px;background:rgba(255,255,255,.15);transition:.25s}.tour-progress span.active{width:38px;background:linear-gradient(90deg,var(--accent),var(--accent2))}.tour-highlight{position:relative;z-index:81!important;border-radius:20px;box-shadow:0 0 0 4px var(--accent),0 0 0 12px rgba(125,211,252,.18),0 18px 55px rgba(0,0,0,.35)!important;animation:tour-pulse 1.5s ease-in-out infinite}.ai-toggle.tour-highlight{position:fixed}.tour-card button:focus-visible,.nav-tour:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
@keyframes tour-fade{from{opacity:0}to{opacity:1}}@keyframes tour-pop{from{opacity:0;transform:translateY(18px) scale(.96)}to{opacity:1;transform:none}}@keyframes tour-arrow{50%{transform:translateX(8px)}}@keyframes tour-pulse{50%{box-shadow:0 0 0 4px var(--accent2),0 0 0 18px rgba(167,139,250,.12),0 18px 55px rgba(0,0,0,.35)}}
@media(max-width:800px){.team-grid{grid-template-columns:1fr}.founder-spotlight{grid-template-columns:110px minmax(0,1fr)}.founder-avatar{width:105px;height:105px;border-radius:30px;font-size:32px}}
@media(max-width:600px){.mobile-tour{display:inline-flex}.founder-spotlight{grid-template-columns:1fr;padding:24px}.founder-avatar{width:82px;height:82px;border-radius:24px;font-size:25px}.tour-card{max-height:calc(100vh - 28px);overflow:auto}.tour-highlight{scroll-margin:180px}}
.ssai-toggle.tour-highlight{position:fixed;z-index:81!important}

/* The flip-card layers are spans, so they must establish a full-size block box. */
.flash-inner{display:block}
.flash-face{width:100%;height:100%;-webkit-backface-visibility:hidden}

/* CSIT course and searchable notes */
.module-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.module-card{position:relative;display:grid;grid-template-columns:62px 1fr auto;gap:16px;align-items:center;min-height:132px;padding:20px;border:1px solid var(--border);border-radius:19px;background:linear-gradient(145deg,rgba(17,24,45,.92),rgba(24,33,58,.88))}.module-card.ready{box-shadow:var(--shadow);transition:.2s transform,.2s border-color}.module-card.ready:hover{transform:translateY(-3px);border-color:var(--accent)}.module-number{font-size:27px;font-weight:900;color:#65748e}.module-card.ready .module-number,.module-arrow{color:var(--accent)}.module-card h3{margin:8px 0 3px}.module-card p{color:var(--muted);margin:0}.module-arrow{font-size:27px}.muted-badge{color:var(--muted)}.module-tools .resource-card{min-height:165px}.notes-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:25px;align-items:start;margin-top:35px}.toc{position:sticky;top:18px;display:flex;flex-direction:column;gap:3px;background:rgba(17,24,45,.94);border:1px solid var(--border);border-radius:18px;padding:16px;max-height:calc(100vh - 36px);overflow:auto}.toc strong{padding:8px;color:var(--accent)}.toc a{padding:7px 8px;border-radius:8px;color:#cbd5e1;font-size:14px}.toc a:hover{background:rgba(255,255,255,.07)}.notes-search{position:sticky;top:0;z-index:8;padding:0 0 15px;background:linear-gradient(var(--bg) 72%,transparent)}.notes-search .search{box-shadow:0 8px 25px rgba(0,0,0,.25)}#matchCount{display:block;color:var(--accent);font-size:13px;margin:7px 3px}.note-section{scroll-margin-top:18px;background:linear-gradient(145deg,rgba(17,24,45,.94),rgba(24,33,58,.9));border:1px solid var(--border);border-radius:21px;padding:26px;margin:0 0 16px;box-shadow:0 10px 28px rgba(0,0,0,.16)}.note-section h2{margin:7px 0 15px}.note-section p,.note-section li{color:#cbd5e1;line-height:1.68}.note-section li+li{margin-top:7px}.note-grid,.compare{display:grid;grid-template-columns:1fr 1fr;gap:14px}.note-grid article,.compare article,.callout{background:rgba(255,255,255,.035);border:1px solid var(--border);border-radius:15px;padding:17px}.callout{border-left:4px solid var(--accent2);margin:18px 0}.callout p{margin-bottom:0}.fact-list{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}.fact-list span{padding:7px 10px;border:1px solid var(--border);background:rgba(125,211,252,.06);border-radius:999px;font-size:13px}.mobile-section-menu{display:none}.mobile-section-menu select{width:100%;margin-top:7px;padding:12px;border-radius:12px;background:var(--panel);color:white;border:1px solid var(--border)}
@media(max-width:800px){.module-grid{grid-template-columns:1fr}.notes-layout{grid-template-columns:1fr}.toc{display:none}.mobile-section-menu{display:block;position:sticky;top:0;z-index:12;padding:12px;background:rgba(8,13,27,.96);border-bottom:1px solid var(--border)}.notes-search{top:83px}.note-grid,.compare{grid-template-columns:1fr}.note-section{padding:20px}.module-card{grid-template-columns:48px 1fr auto}}

/* Connected StudySpace platform */
select,textarea{font:inherit}label{color:#dbeafe;font-weight:750}label input,label select,label textarea{display:block;width:100%;margin-top:7px;background:#0c1428;color:var(--text);border:1px solid rgba(255,255,255,.13);border-radius:12px;padding:12px}label textarea{resize:vertical;line-height:1.55}label input:focus,label select:focus,label textarea:focus{outline:3px solid rgba(125,211,252,.24);border-color:var(--accent)}code{color:#dbeafe;background:rgba(255,255,255,.07);padding:2px 5px;border-radius:5px}.form-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-help{color:var(--muted);font-size:13px;line-height:1.55}.form-error{min-height:22px;color:var(--bad);font-weight:750}.plain-action{border:0;background:transparent;color:var(--accent);cursor:pointer;font-weight:800}.plain-action:hover{text-decoration:underline}

.smart-dashboard{margin-top:30px;padding:24px;border:1px solid var(--border);border-radius:24px;background:rgba(9,15,31,.72)}.dashboard-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:12px}.dash-card{min-width:0;padding:18px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.035)}.dash-primary{background:linear-gradient(135deg,rgba(125,211,252,.1),rgba(167,139,250,.09))}.dash-icon{float:right;font-size:20px;color:var(--accent)}.dash-card h3{font-size:18px}.dash-card p{color:var(--muted);line-height:1.5;font-size:14px}.dash-row{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--border);font-size:13px}.dash-row:last-child{border:0}.dash-row span{color:var(--accent);white-space:nowrap}.dash-metrics{display:grid;gap:8px}.dash-metrics span{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}.dash-metrics strong{color:var(--text)}.quick-actions{display:flex;gap:8px;overflow-x:auto;padding-top:14px}.quick-actions a,.quick-actions button{flex:0 0 auto;border:1px solid var(--border);border-radius:10px;background:var(--panel2);color:#dbeafe;padding:9px 12px;font-weight:800;cursor:pointer}

.unit-hero{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:28px;align-items:center}.unit-status{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:20px;border-radius:22px}.unit-status div{text-align:center;padding:10px 5px;background:rgba(255,255,255,.035);border-radius:12px}.unit-status strong{display:block;font-size:25px}.unit-status span{display:block;color:var(--muted);font-size:11px;margin-top:4px}.unit-status p{grid-column:1/-1;margin:8px 0 0;color:#cbd5e1;line-height:1.5;font-size:13px}.mastery-map{display:grid;grid-template-columns:repeat(7,minmax(145px,1fr));gap:10px;overflow-x:auto;padding:3px 3px 10px}.mastery-topic{min-width:145px;padding:16px;border:1px solid var(--border);border-top:4px solid #64748b;border-radius:17px;background:rgba(17,24,45,.9)}.mastery-topic.strong{border-top-color:var(--good)}.mastery-topic.developing{border-top-color:#fbbf24}.mastery-topic.weak{border-top-color:var(--bad)}.mastery-top{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.mastery-top strong{color:var(--text);font-size:17px}.mastery-topic h3{font-size:15px;min-height:38px}.mastery-topic p{color:var(--muted);font-size:13px}.status-symbol{font-weight:950}.mastery-actions{display:grid;grid-template-columns:1fr 1fr;gap:5px}.mastery-actions a,.mastery-actions button{border:0;border-radius:7px;background:rgba(255,255,255,.06);color:#dbeafe;padding:6px;font-size:11px;text-align:center;cursor:pointer}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.topic-card{padding:20px;border:1px solid var(--border);border-radius:20px;background:linear-gradient(145deg,rgba(17,24,45,.94),rgba(24,33,58,.88))}.topic-card p{color:var(--muted);line-height:1.55}.topic-card-top,.topic-links,.material-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.topic-number{font-size:25px;font-weight:950;color:var(--accent)}.source-chip,.source-pill,.source-label{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:999px;padding:6px 9px;color:#cbd5e1;font-size:11px;font-weight:800}.source-chip.teacher,.source-pill.teacher,.source-label.teacher{color:var(--good);border-color:rgba(110,231,183,.25);background:rgba(110,231,183,.07)}.source-chip.pending,.source-pill.amsco,.source-label.amsco{color:#fcd34d;border-color:rgba(252,211,77,.22);background:rgba(252,211,77,.06)}.source-label.existing{color:var(--accent)}.source-label.studyspace-ai{color:#c4b5fd}.compact-search{margin:0 0 18px}.compact-search .muted{display:block;margin:7px}.materials-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.material-group{margin:0}.material-group h3{font-size:16px}.material-list{display:grid;gap:8px}.material-row{display:grid;grid-template-columns:35px minmax(0,1fr) auto;gap:10px;align-items:center;padding:13px;border:1px solid var(--border);border-radius:14px;background:rgba(17,24,45,.8)}.material-row:hover{border-color:rgba(125,211,252,.35)}.material-icon{font-size:20px;color:var(--accent)}.material-row strong,.material-row small{display:block}.material-row small{color:var(--muted);font-size:11px;margin-top:4px}.source-notice{margin-top:16px;padding:18px;border:1px solid rgba(252,211,77,.22);border-left:4px solid #fbbf24;border-radius:15px;background:rgba(252,211,77,.045)}.source-notice p{color:var(--muted);line-height:1.55;margin-bottom:0}.session-launch{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:25px;border:1px solid var(--border);border-radius:22px;background:rgba(125,211,252,.055)}

.topic-source-bar{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.essential-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.essential-grid article{display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:center;padding:16px;border:1px solid var(--border);border-radius:15px;background:rgba(255,255,255,.035)}.essential-grid span{font-size:20px;font-weight:950;color:var(--accent)}.essential-grid p{margin:0;color:#dbeafe;line-height:1.5}.topic-notes{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.topic-note{padding:20px;border:1px solid var(--border);border-radius:18px;background:rgba(17,24,45,.9)}.topic-note[data-source="teacher"]{border-top:3px solid var(--good)}.topic-note[data-source="studyspace-ai"]{border-top:3px solid var(--accent2)}.topic-note-head{display:flex;justify-content:space-between;gap:12px}.topic-note p{color:#cbd5e1;line-height:1.65}.remember-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.remember-card,.confusion-card{padding:22px;border:1px solid var(--border);border-radius:19px;background:rgba(17,24,45,.88)}.remember-card{border-left:4px solid var(--good)}.confusion-card{border-left:4px solid #fbbf24}.remember-grid li{color:#cbd5e1;line-height:1.6;margin:8px 0}.simple-explanation{padding:10px 12px;border-radius:11px;background:rgba(167,139,250,.08)}.practice-list{display:grid;gap:10px}.practice-question{border:1px solid var(--border);border-radius:15px;background:rgba(17,24,45,.86);overflow:hidden}.practice-question summary{display:flex;gap:12px;align-items:center;padding:17px;cursor:pointer;font-weight:800}.practice-question summary span{color:var(--accent);font-size:18px}.practice-question p{margin:0;padding:0 18px 16px;color:#cbd5e1;line-height:1.55}.topic-pagination{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:40px}

.material-hero{max-width:850px}.material-meta{justify-content:flex-start;margin-top:18px}.file-unavailable{display:inline-block;color:#fcd34d;padding:10px 0}.source-reader{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.source-reader>article{padding:22px;border:1px solid var(--border);border-radius:18px;background:rgba(17,24,45,.9)}.source-reader p{color:#cbd5e1;line-height:1.65}.source-actions{display:flex;flex-wrap:wrap;gap:9px}

.flash-workspace{max-width:850px;margin:20px auto}.flash-filters{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end;margin-bottom:18px}.flash-filters .search{margin-top:7px}.topic-badge{padding:6px 9px;border-radius:999px;background:rgba(125,211,252,.08);color:var(--accent);font-size:12px;font-weight:850}.source-footnote{color:var(--muted);font-size:12px;line-height:1.5;text-align:center;margin-top:22px}.flash-empty{margin:0;min-height:300px;display:grid;place-items:center}

.quiz-builder{padding:24px;border:1px solid var(--border);border-radius:23px;background:rgba(17,24,45,.78)}.builder-grid{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:15px}.builder-grid fieldset{min-width:0;border:1px solid var(--border);border-radius:16px;padding:17px}.builder-grid legend{padding:0 7px;color:var(--accent);font-weight:900}.builder-grid fieldset>label,.builder-checks label{display:flex;align-items:flex-start;gap:8px;padding:7px 0;font-weight:650;font-size:14px}.builder-grid label input[type="radio"],.builder-grid label input[type="checkbox"]{width:auto;margin:3px 0 0}.builder-grid label span{color:var(--muted);font-size:11px;margin-left:auto}.question-tags{display:flex;gap:7px;flex-wrap:wrap}.question-tags span{padding:5px 8px;border-radius:999px;background:rgba(255,255,255,.06);color:var(--muted);font-size:11px}.answer-explanation{margin-top:12px;padding:14px;border:1px solid var(--border);border-radius:12px;color:#cbd5e1;line-height:1.5}.answer-explanation small{display:block;color:var(--muted);margin-top:7px}.quiz-results{display:grid;gap:18px}.results-hero{text-align:center;padding:30px;border:1px solid var(--border);border-radius:22px;background:rgba(125,211,252,.055)}.results-hero h2{font-size:58px;margin:8px}.results-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.result-review{display:grid;gap:10px}.result-item{display:grid;grid-template-columns:40px 1fr;gap:12px;padding:17px;border:1px solid var(--border);border-radius:15px;background:rgba(17,24,45,.88)}.result-item.correct{border-left:4px solid var(--good)}.result-item.incorrect{border-left:4px solid var(--bad)}.result-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.06);font-size:20px;font-weight:950}.result-item h3{font-size:16px}.result-item p{color:#cbd5e1;line-height:1.5}.result-item small{color:var(--muted)}

.planner-layout{display:grid;grid-template-columns:360px minmax(0,1fr);gap:26px;align-items:start}.planner-form{position:sticky;top:18px;padding:22px;border-radius:20px}.planner-form form,.notebook-form{display:grid;gap:13px}.assessment-list,.generated-plans{display:grid;gap:12px}.assessment-card{display:grid;grid-template-columns:90px minmax(0,1fr) auto;gap:17px;align-items:center;padding:18px;border:1px solid var(--border);border-radius:17px;background:rgba(17,24,45,.88)}.assessment-date{text-align:center;padding:10px;border-radius:12px;background:rgba(125,211,252,.07)}.assessment-date strong,.assessment-date span{display:block}.assessment-date span{color:var(--accent);font-size:11px;margin-top:4px}.assessment-card p,.assessment-card small{color:var(--muted)}.assessment-actions{display:flex;flex-direction:column;gap:6px}.assessment-actions button,.saved-set-actions button,.saved-note button{border:0;background:rgba(255,255,255,.06);color:#dbeafe;border-radius:8px;padding:7px 9px;cursor:pointer}.plan-heading{margin-top:35px}.plan-card{border:1px solid var(--border);border-radius:19px;overflow:hidden;background:rgba(17,24,45,.82)}.plan-card-head{display:flex;justify-content:space-between;align-items:center;padding:18px;border-bottom:1px solid var(--border)}.plan-card-head span{color:var(--muted);font-size:13px}.plan-day{padding:15px 18px;border-bottom:1px solid var(--border)}.plan-day:last-child{border:0}.plan-day label{display:flex;gap:10px}.plan-day input{width:auto;margin:3px 0 0}.plan-day span>*{display:block}.plan-day b{margin:5px 0;font-weight:750}.plan-day small{color:var(--muted);line-height:1.4}.plan-day>a{display:inline-block;margin:10px 0 0 27px;color:var(--accent);font-weight:800;font-size:12px}.plan-day.complete{opacity:.58}.plan-day.complete b{text-decoration:line-through}

.import-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:18px}.import-form{padding:24px;border-radius:22px}.import-form form{display:grid;gap:13px}.import-file{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.import-file span{color:var(--muted);font-size:13px}.workflow-card{padding:24px;border:1px solid var(--border);border-radius:22px;background:rgba(125,211,252,.045)}.workflow-card ol{list-style:none;padding:0;counter-reset:workflow}.workflow-card li{counter-increment:workflow;display:grid;grid-template-columns:35px 1fr;padding:14px 0;border-bottom:1px solid var(--border)}.workflow-card li:before{content:counter(workflow);display:grid;place-items:center;width:27px;height:27px;border-radius:9px;background:var(--panel2);color:var(--accent);font-weight:900}.workflow-card strong,.workflow-card span{display:block}.workflow-card span{color:var(--muted);font-size:13px;margin-top:3px}.saved-sets,.saved-notes{display:grid;gap:10px}.saved-set{display:grid;grid-template-columns:1fr auto;gap:15px;align-items:center;padding:18px;border:1px solid var(--border);border-radius:16px;background:rgba(17,24,45,.87)}.saved-set p{color:var(--muted);font-size:13px}.saved-set-actions{display:flex;gap:6px;flex-wrap:wrap}.notebook-layout{display:grid;grid-template-columns:1fr 1fr;gap:16px}.notebook-form{padding:22px;border-radius:18px}.saved-note{padding:18px;border:1px solid var(--border);border-radius:16px;background:rgba(17,24,45,.87)}.saved-note p{white-space:pre-wrap;color:var(--muted);line-height:1.55}.saved-note>div{display:flex;gap:6px;flex-wrap:wrap}

.study-modal-backdrop{position:fixed;inset:0;z-index:90;display:grid;place-items:center;padding:18px;background:rgba(2,6,23,.72);backdrop-filter:blur(3px)}.study-modal{width:min(650px,100%);max-height:calc(100vh - 36px);overflow:auto;padding:24px;border:1px solid rgba(125,211,252,.3);border-radius:22px;background:#11182d;box-shadow:var(--shadow)}.study-modal-head{display:flex;justify-content:space-between;gap:18px}.study-modal-head>button{width:38px;height:38px;border:0;border-radius:10px;background:rgba(255,255,255,.06);color:white;font-size:24px;cursor:pointer}.source-line{padding:12px;border-left:3px solid var(--good);background:rgba(110,231,183,.05);color:#dbeafe}.study-action-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin-top:18px}.selection-actions{position:fixed;z-index:70;display:flex;gap:4px;max-width:calc(100vw - 16px);overflow-x:auto;padding:6px;border:1px solid var(--border);border-radius:11px;background:#151d36;box-shadow:var(--shadow)}.selection-actions[hidden]{display:none}.selection-actions button{flex:0 0 auto;border:0;border-radius:7px;background:rgba(255,255,255,.06);color:#dbeafe;padding:7px 9px;font-size:11px;cursor:pointer}

@media(max-width:1050px){.dashboard-grid{grid-template-columns:1fr 1fr}.unit-hero{grid-template-columns:1fr}.mastery-map{grid-template-columns:repeat(4,minmax(155px,1fr))}.topic-grid{grid-template-columns:1fr 1fr}.materials-groups{grid-template-columns:1fr 1fr}.builder-grid{grid-template-columns:1fr 1fr}.builder-grid fieldset:last-child{grid-column:1/-1}}
@media(max-width:800px){.planner-layout,.import-layout,.notebook-layout{grid-template-columns:1fr}.planner-form{position:static}.topic-notes,.source-reader{grid-template-columns:1fr}.assessment-card{grid-template-columns:74px 1fr}.assessment-actions{grid-column:2;flex-direction:row}.session-launch{align-items:flex-start;flex-direction:column}}
@media(max-width:600px){.site-nav{flex-wrap:wrap;padding:14px 0}.mobile-tour{display:none!important}.navlinks{display:flex!important;width:100%;flex-wrap:nowrap;overflow-x:auto;order:3;padding:3px 0 5px;scrollbar-width:none}.navlinks::-webkit-scrollbar{display:none}.navlinks a,.nav-tour{flex:0 0 auto;white-space:nowrap;padding:8px 10px;font-size:13px}.dashboard-grid,.topic-grid,.materials-groups,.builder-grid,.essential-grid,.remember-grid{grid-template-columns:1fr}.smart-dashboard,.quiz-builder{padding:17px}.mastery-map{display:flex}.mastery-topic{flex:0 0 175px}.flash-filters{grid-template-columns:1fr}.flash-filters .btn{width:100%}.form-pair{grid-template-columns:1fr}.topic-note-head{display:block}.topic-note-head .plain-action{padding:8px 0}.builder-grid fieldset:last-child{grid-column:auto}.assessment-card{grid-template-columns:1fr}.assessment-date{text-align:left;display:flex;justify-content:space-between}.assessment-actions{grid-column:auto}.saved-set{grid-template-columns:1fr}.study-action-grid{grid-template-columns:1fr}.source-actions .btn{flex:1 1 45%}.topic-pagination .btn{width:100%}.results-hero h2{font-size:46px}.result-item{grid-template-columns:32px 1fr}.quick-actions{margin-inline:-4px}}
.pwa-install{margin-left:10px;border:1px solid var(--border);border-radius:9px;background:rgba(255,255,255,.05);color:var(--accent);padding:7px 10px;cursor:pointer}.connection-status{position:fixed;left:50%;bottom:14px;z-index:75;transform:translateX(-50%);width:min(520px,calc(100vw - 28px));padding:10px 14px;border:1px solid rgba(252,211,77,.3);border-radius:12px;background:#332a12;color:#fde68a;text-align:center;font-size:12px;font-weight:800;box-shadow:var(--shadow)}.connection-status[hidden]{display:none}.context-help{float:right;margin-top:-40px}

/* Biology course */
.subject-progress{display:flex;gap:5px;overflow-x:auto;margin-top:12px;padding-top:10px;border-top:1px solid var(--border)}.subject-progress span{flex:0 0 auto;padding:5px 7px;border-radius:8px;background:rgba(110,231,183,.06);color:var(--muted);font-size:10px}.subject-progress b{color:var(--good)}
.biology-hero{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px;align-items:center}.biology-status{padding:25px;text-align:center;border-radius:22px;background:linear-gradient(145deg,rgba(110,231,183,.09),rgba(125,211,252,.05))}.biology-status strong{display:block;font-size:52px;color:var(--good)}.biology-status span{color:#d1fae5;font-weight:850}.biology-status p{color:var(--muted);line-height:1.5}.biology-mastery{display:grid;grid-template-columns:repeat(5,minmax(170px,1fr));gap:11px;overflow-x:auto;padding-bottom:8px}.biology-mastery-card{min-width:170px;padding:18px;border:1px solid var(--border);border-top:4px solid #64748b;border-radius:18px;background:rgba(17,24,45,.88)}.biology-mastery-card.learning{border-top-color:#60a5fa}.biology-mastery-card.developing{border-top-color:#fbbf24}.biology-mastery-card.strong,.biology-mastery-card.mastered{border-top-color:var(--good)}.biology-mastery-card h3{font-size:15px;min-height:55px}.mastery-chip{display:inline-flex;padding:6px 9px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:11px;font-weight:900}.mastery-chip.learning{color:#93c5fd;border-color:rgba(147,197,253,.25)}.mastery-chip.developing{color:#fcd34d;border-color:rgba(252,211,77,.25)}.mastery-chip.strong,.mastery-chip.mastered{color:var(--good);border-color:rgba(110,231,183,.25)}.biology-course-map{display:grid;gap:15px}.biology-unit{padding:22px;border:1px solid var(--border);border-radius:21px;background:rgba(17,24,45,.82)}.biology-unit.available{border-left:4px solid var(--good)}.biology-unit.placeholder{border-left:4px solid #64748b}.biology-unit-head{display:flex;justify-content:space-between;gap:14px;align-items:center}.biology-unit-head h2{margin:6px 0 12px}.biology-sequence-list{display:grid;gap:7px}.biology-sequence-row{display:grid;grid-template-columns:60px minmax(0,1fr) auto;gap:12px;align-items:center;padding:13px;border:1px solid var(--border);border-radius:13px;background:rgba(255,255,255,.03)}a.biology-sequence-row:hover{border-color:rgba(110,231,183,.35);transform:translateX(2px)}.biology-sequence-row span{color:var(--good);font-size:17px;font-weight:950}.biology-sequence-row em{color:var(--muted);font-size:12px;font-style:normal}.biology-sequence-row.disabled{opacity:.72}
.biology-topic-meta,.biology-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.five-e-nav{position:sticky;top:0;z-index:12;display:flex;gap:6px;overflow-x:auto;margin:18px 0 28px;padding:9px;border:1px solid var(--border);border-radius:14px;background:rgba(8,13,27,.94);backdrop-filter:blur(10px)}.five-e-nav a{flex:0 0 auto;padding:8px 10px;border-radius:9px;color:#dbeafe;font-size:12px;font-weight:850}.five-e-nav a:hover{background:rgba(110,231,183,.09);color:var(--good)}.biology-targets{padding:22px;border-left:4px solid var(--good)}.biology-targets li{color:#dbeafe;line-height:1.6;margin:7px 0}.biology-phase{scroll-margin-top:70px;display:grid;grid-template-columns:60px minmax(0,1fr);gap:18px;margin:22px 0;padding:25px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(145deg,rgba(17,24,45,.92),rgba(12,20,40,.86))}.biology-phase>div{min-width:0}.phase-number{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:rgba(110,231,183,.09);color:var(--good);font-size:23px;font-weight:950}.biology-phase h2{margin:5px 0 18px}.phase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}.phase-grid article{padding:17px;border:1px solid var(--border);border-radius:15px;background:rgba(255,255,255,.03)}.phase-grid h3{font-size:16px}.phase-grid p{color:#cbd5e1;line-height:1.58}.biology-actions button{border:1px solid var(--border);border-radius:9px;background:rgba(255,255,255,.045);color:#dbeafe;padding:8px 10px;font-weight:800;cursor:pointer}.biology-notes{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:15px}.biology-note{margin:0}.biology-special{margin:18px 0;padding:20px;border:1px solid var(--border);border-radius:18px;background:rgba(110,231,183,.035)}.table-scroll{max-width:100%;overflow-x:auto}.biology-special table{width:100%;min-width:850px;border-collapse:collapse}.biology-special th,.biology-special td{padding:12px;border:1px solid var(--border);text-align:left;vertical-align:top}.biology-special th{color:var(--good);background:rgba(110,231,183,.05)}.biology-special td{color:#cbd5e1;font-size:13px;line-height:1.45}.organelle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.organelle-grid article{min-width:0;padding:15px;border:1px solid var(--border);border-radius:14px;background:rgba(255,255,255,.03)}.organelle-grid p{color:#cbd5e1;line-height:1.5}.organelle-grid small{display:block;color:var(--muted);margin-bottom:10px}.cell-icon{float:right;display:grid;place-items:center;width:35px;height:35px;border-radius:50% 42% 55% 45%;background:linear-gradient(135deg,rgba(110,231,183,.24),rgba(125,211,252,.16));color:var(--good);font-weight:950}.biology-visuals{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}.biology-visual{min-width:0;padding:20px;border:1px solid rgba(110,231,183,.2);border-radius:18px;background:rgba(110,231,183,.04)}.visual-flow{display:flex;max-width:100%;gap:7px;overflow-x:auto;align-items:stretch}.visual-flow>div{position:relative;flex:1 0 135px;padding:13px;border:1px solid var(--border);border-radius:12px;background:rgba(8,13,27,.55)}.visual-flow>div:not(:last-child):after{content:"→";position:absolute;right:-9px;top:50%;z-index:2;color:var(--good);font-weight:950}.visual-flow span{display:grid;place-items:center;width:25px;height:25px;border-radius:8px;background:rgba(110,231,183,.1);color:var(--good);font-weight:900}.visual-flow p{color:#dbeafe;line-height:1.45;font-size:13px}.cer-card{margin-top:15px;padding:22px;border:1px solid rgba(167,139,250,.26);border-left:4px solid var(--accent2);border-radius:17px;background:rgba(167,139,250,.045)}.cer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.cer-grid p{padding:13px;border:1px solid var(--border);border-radius:12px;color:#cbd5e1;line-height:1.5}.cer-grid strong{display:block;color:#c4b5fd;margin-bottom:7px}.concept-mastery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.concept-mastery{padding:15px;border:1px solid var(--border);border-left:4px solid #64748b;border-radius:14px;background:rgba(17,24,45,.82)}.concept-mastery.learning{border-left-color:#60a5fa}.concept-mastery.developing{border-left-color:#fbbf24}.concept-mastery.strong,.concept-mastery.mastered{border-left-color:var(--good)}.concept-mastery>div{display:flex;justify-content:space-between;gap:10px;font-weight:850}.concept-mastery a{color:var(--accent);font-size:12px;font-weight:800}.biology-flashcard .flash-face{background:linear-gradient(150deg,#14233a,#17273a)}.mistake-list{display:grid;gap:12px}.mistake-card{padding:20px;border:1px solid var(--border);border-left:4px solid #fb7185;border-radius:17px;background:rgba(17,24,45,.86)}.mistake-head{display:flex;justify-content:space-between;gap:15px}.mistake-head time{color:var(--muted);font-size:12px}.mistake-card p{color:#cbd5e1;line-height:1.5}.mistake-card .wrong-answer{color:#fecdd3}.biology-session{margin-bottom:25px}.session-steps{display:grid;gap:9px}.session-step{display:grid;grid-template-columns:45px minmax(0,1fr) auto;gap:14px;align-items:center;padding:16px;border:1px solid var(--border);border-radius:15px;background:rgba(17,24,45,.84)}.session-step>span{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:rgba(110,231,183,.09);color:var(--good);font-size:18px;font-weight:950}.session-step h3,.session-step p{margin:3px}.session-step p,.session-step em{color:var(--muted);font-style:normal;font-size:13px}
@media(max-width:1050px){.biology-hero{grid-template-columns:1fr}.biology-mastery{display:flex}.biology-mastery-card{flex:0 0 185px}.phase-grid,.organelle-grid,.concept-mastery-grid{grid-template-columns:1fr 1fr}.biology-notes{grid-template-columns:1fr}}
@media(max-width:700px){.biology-phase{grid-template-columns:minmax(0,1fr);padding:18px}.phase-grid,.biology-visuals,.cer-grid,.organelle-grid,.concept-mastery-grid{grid-template-columns:minmax(0,1fr)}.phase-number{width:40px;height:40px}.biology-unit-head{align-items:flex-start;flex-direction:column}.biology-sequence-row{grid-template-columns:45px minmax(0,1fr)}.biology-sequence-row em{grid-column:2}.session-step{grid-template-columns:40px minmax(0,1fr)}.session-step em{grid-column:2}.five-e-nav{margin-inline:-4px}.context-help{float:none;margin:0 0 8px}}

/* Algebra 2 Chapter 1 */
.algebra-hero{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:center}.algebra-status{padding:25px;text-align:center;border:1px solid rgba(167,139,250,.2);border-radius:22px;background:linear-gradient(145deg,rgba(125,211,252,.08),rgba(167,139,250,.1))}.algebra-status strong{display:block;font-size:52px;color:var(--accent)}.algebra-status span{font-weight:900}.algebra-status p{color:var(--muted);line-height:1.5}.algebra-section-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.algebra-section-card{min-width:0;padding:20px;border:1px solid var(--border);border-top:4px solid #64748b;border-radius:19px;background:rgba(17,24,45,.88)}.algebra-section-card.learning{border-top-color:#60a5fa}.algebra-section-card.developing{border-top-color:#fbbf24}.algebra-section-card.strong,.algebra-section-card.mastered{border-top-color:var(--good)}.algebra-section-card h3{font-size:18px}.algebra-section-card p{color:var(--muted);line-height:1.5}.mastery-top{display:flex;justify-content:space-between;gap:10px;align-items:center;color:var(--accent);font-size:12px;font-weight:900}.mastery-actions{display:flex;gap:8px;margin-top:14px}.mastery-actions a{flex:1;padding:8px;border:1px solid var(--border);border-radius:9px;text-align:center;color:#dbeafe;font-size:12px;font-weight:850}.skill-pills{display:flex;gap:5px;flex-wrap:wrap}.skill-pills span,.problem-meta span{padding:5px 7px;border:1px solid var(--border);border-radius:999px;color:#cbd5e1;background:rgba(255,255,255,.04);font-size:10px}.quick-stack{display:grid;gap:7px;margin-top:14px}.quick-stack a,.quick-stack button,.weak-skill-row{border:0;border-radius:10px;background:rgba(255,255,255,.055);color:#dbeafe;padding:10px;text-align:left;cursor:pointer;font-weight:750}.weak-skill-row{display:flex;justify-content:space-between;gap:8px;margin-top:7px;font-size:12px}.weak-skill-row strong{color:var(--accent)}.mistake-preview{display:grid;gap:3px;padding-bottom:8px;border-bottom:1px solid var(--border)}.mistake-preview strong{color:#dbeafe;font-size:12px}.mistake-preview span{font-size:11px}.placeholder-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.placeholder-grid .resource-card{min-height:150px}
.algebra-flow a:hover{color:var(--accent)}.algebra-lab{scroll-margin-top:70px;padding:24px;border:1px solid rgba(125,211,252,.2);border-radius:23px;background:linear-gradient(145deg,rgba(17,24,45,.9),rgba(24,33,58,.75))}.math-lab-grid{display:grid;grid-template-columns:minmax(250px,.65fr) minmax(0,1.35fr);gap:20px;align-items:start}.math-controls{display:grid;gap:12px}.math-controls.inline{grid-template-columns:1fr 1fr 1fr;align-items:end}.math-controls label{min-width:0}.math-controls input[type="range"]{padding:0;accent-color:var(--accent)}.math-controls output{display:inline-block;min-width:40px;margin-top:5px;color:var(--accent);font-weight:900}.check-label{display:flex!important;gap:8px;align-items:center}.check-label input{width:auto;margin:0}.math-graph{min-width:0;padding:10px;border:1px solid var(--border);border-radius:18px;background:#091225;overflow:hidden}.math-svg{display:block;width:100%;height:auto}.math-grid line{stroke:rgba(148,163,184,.12);stroke-width:1}.math-axis,.number-tick{stroke:#94a3b8;stroke-width:1.8}.math-label{fill:#94a3b8;font-size:11px}.math-parent-path{stroke:#64748b;stroke-width:3;stroke-dasharray:7 6}.math-function-path{stroke:#7dd3fc;stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.math-second-path{stroke:#a78bfa;stroke-width:4}.math-point,.scatter-point{fill:#fef08a;stroke:#091225;stroke-width:2}.number-solution{stroke:#7dd3fc;stroke-width:9;stroke-linecap:round}.number-endpoint{stroke:#7dd3fc;stroke-width:4}.number-endpoint.open{fill:#091225}.number-endpoint.closed{fill:#7dd3fc}.equation-readout,.model-balance,.piece-selector,.memory-cue{margin-top:12px;padding:13px;border:1px solid rgba(125,211,252,.2);border-radius:12px;background:rgba(125,211,252,.06);color:#dbeafe;line-height:1.5;overflow-wrap:anywhere}.piece-selector{display:grid;gap:6px}.worked-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.worked-example{min-width:0;padding:22px;border:1px solid var(--border);border-radius:18px;background:rgba(17,24,45,.87)}.worked-example h3{line-height:1.5}.worked-steps p{display:grid;grid-template-columns:28px minmax(0,1fr);gap:9px;padding:10px;border-left:2px solid var(--accent);background:rgba(125,211,252,.04);color:#cbd5e1;line-height:1.5}.worked-steps p span{color:var(--accent);font-weight:950}.worked-steps .worked-answer{display:block;border-left-color:var(--good)}.worked-answer strong{display:block;color:var(--good)}.algebra-try-section{scroll-margin-top:70px}.algebra-problem-card{max-width:800px;padding:25px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(145deg,rgba(17,24,45,.96),rgba(24,33,58,.92));box-shadow:var(--shadow)}.problem-meta{display:flex;gap:7px;flex-wrap:wrap}.algebra-problem-card h3{margin:20px 0;font-size:clamp(19px,3vw,25px);line-height:1.45}.answer-choices{display:grid;gap:9px;border:0;padding:0}.answer-choices label{cursor:pointer}.answer-choices span{display:grid;grid-template-columns:30px 1fr;gap:10px;align-items:center;padding:13px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.025)}.answer-choices input{position:absolute;opacity:0;pointer-events:none}.answer-choices input:focus+span,.answer-choices input:checked+span{border-color:var(--accent);background:rgba(125,211,252,.09)}.answer-choices b{display:grid;place-items:center;width:27px;height:27px;border-radius:8px;background:rgba(255,255,255,.07);color:var(--accent)}.math-answer{display:block;max-width:650px}.problem-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.hint-stack{display:grid;gap:7px;margin-top:15px}.progressive-hint{margin:0;padding:12px;border-left:3px solid #fbbf24;background:rgba(251,191,36,.06);color:#fde68a;line-height:1.5}.problem-feedback .feedback{min-height:auto;padding:14px;border:1px solid var(--border);border-radius:12px;font-weight:normal}.feedback.correct{border-color:rgba(110,231,183,.28);background:rgba(110,231,183,.07);color:#d1fae5}.feedback.incorrect{border-color:rgba(253,164,175,.28);background:rgba(253,164,175,.06);color:#ffe4e6}.feedback.warning{color:#fde68a}.full-solution{padding:14px;border:1px solid rgba(167,139,250,.25);border-radius:12px;background:rgba(167,139,250,.06);color:#e9d5ff}.concept-mastery-grid>article{min-width:0;padding:17px;border:1px solid var(--border);border-radius:15px;background:rgba(17,24,45,.84)}.concept-mastery-grid>article p{color:var(--muted);line-height:1.5;font-size:13px}.topic-pagination{display:flex;justify-content:space-between;gap:12px;margin-top:42px}.topic-pagination a{max-width:48%;padding:13px;border:1px solid var(--border);border-radius:12px;color:var(--accent);font-weight:800}.practice-progress{max-width:800px;margin:25px 0 12px}.practice-progress>div{display:flex;justify-content:space-between;gap:12px}.practice-progress progress{width:100%;height:9px;accent-color:var(--accent)}.practice-nav{max-width:800px;display:flex;justify-content:flex-end;margin-top:12px}.results-card{max-width:800px;padding:28px;border:1px solid var(--border);border-radius:22px;background:rgba(17,24,45,.9)}.result-breakdown p{display:flex;justify-content:space-between;gap:14px;padding:10px;border-bottom:1px solid var(--border)}.result-breakdown span{color:var(--muted);text-align:right}.mistake-tools{display:grid;grid-template-columns:1fr 1.4fr auto;gap:12px;align-items:end;padding:18px;border:1px solid var(--border);border-radius:17px;background:rgba(17,24,45,.78)}.mistake-card.corrected{border-left-color:var(--good)}.answer-comparison{display:grid;grid-template-columns:1fr 1fr;gap:9px}.answer-comparison p,.misconception{padding:13px;border:1px solid var(--border);border-radius:11px;background:rgba(255,255,255,.025)}.answer-comparison span{display:block;color:var(--muted);font-size:11px}.misconception{border-color:rgba(253,164,175,.2)}.mistake-card details{color:#cbd5e1}.flash-workspace{max-width:820px;margin-inline:auto}.flash-filters{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:end;margin-bottom:18px}
@media(max-width:900px){.algebra-hero,.math-lab-grid{grid-template-columns:1fr}.algebra-section-grid{grid-template-columns:1fr 1fr}.math-controls.inline{grid-template-columns:1fr 1fr}.mistake-tools{grid-template-columns:1fr 1fr}.mistake-tools .btn{grid-column:1/-1}.worked-grid{grid-template-columns:1fr}}
@media(max-width:600px){.algebra-section-grid,.placeholder-grid,.answer-comparison{grid-template-columns:1fr}.math-controls.inline,.mistake-tools{grid-template-columns:1fr}.mistake-tools .btn{grid-column:auto}.algebra-lab,.algebra-problem-card{padding:17px}.topic-pagination{flex-direction:column}.topic-pagination a{max-width:100%}.problem-actions .btn{flex:1 1 140px}.practice-progress>div,.result-breakdown p{display:grid}.result-breakdown span{text-align:left}.flash-filters{grid-template-columns:1fr}.math-graph{margin-inline:-5px}.algebra-topic-head h1{overflow-wrap:anywhere}}

/* Complete-course runtime */
.course-crumbs{display:flex;align-items:center;gap:9px;flex-wrap:wrap;padding:18px 0 2px;color:var(--muted);font-size:13px}.course-crumbs a{color:var(--accent);font-weight:800}.course-crumbs b{color:#526077}.course-hero{padding:45px 0 25px;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:center}.course-hero h1{font-size:clamp(42px,6vw,68px)}.course-progress-card,.unit-progress{padding:24px;border:1px solid var(--border);border-radius:22px;background:linear-gradient(145deg,rgba(125,211,252,.09),rgba(167,139,250,.09));text-align:center}.course-progress-card>strong,.unit-progress>strong{display:block;font-size:48px;color:var(--accent)}.course-progress-card>span,.unit-progress>span{font-weight:900}.course-progress-card p,.unit-progress p{color:var(--muted);line-height:1.5}.progress-track{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}.progress-track i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),var(--accent2))}.course-tools{position:sticky;top:8px;z-index:8;display:flex;gap:8px;flex-wrap:wrap;padding:10px;background:rgba(8,13,27,.88);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:16px}.course-tools a,.course-tools button{padding:10px 12px;border:0;border-radius:10px;background:rgba(255,255,255,.06);color:#e5edf9;font:inherit;font-size:13px;font-weight:850;cursor:pointer}.course-tools a:hover,.course-tools button:hover{background:rgba(125,211,252,.13)}.full-unit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.full-unit-card{display:flex;flex-direction:column;min-height:240px;padding:22px;border:1px solid var(--border);border-radius:20px;background:linear-gradient(145deg,rgba(17,24,45,.95),rgba(24,33,58,.9));transition:.2s transform,.2s border-color}.full-unit-card:hover{transform:translateY(-3px);border-color:rgba(125,211,252,.38)}.full-unit-card h3{font-size:21px}.full-unit-card p{color:var(--muted);line-height:1.55}.full-unit-top,.lesson-count{display:flex;justify-content:space-between;gap:10px}.full-unit-top span{display:grid;place-items:center;min-width:36px;height:36px;padding:0 9px;border-radius:11px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#08111e;font-weight:950}.full-unit-top em{font-size:12px;color:var(--muted);font-style:normal}.lesson-count{margin-top:auto;color:#bac6d8;font-size:13px}.lesson-count b{color:var(--accent)}.course-insights{display:grid;grid-template-columns:1fr 1fr;gap:15px}.course-insights .panel{padding:22px;border-radius:20px}.insight-row{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid var(--border);color:#dbeafe}.insight-row b{color:var(--accent);white-space:nowrap}.unit-overview-grid{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:16px}.unit-overview-grid>.panel{padding:25px;border-radius:22px}.unit-overview-grid p,.unit-overview-grid li{color:#cbd5e1;line-height:1.65}.objective-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.objective-grid article{display:flex;gap:11px;padding:17px;border:1px solid var(--border);border-radius:15px;background:rgba(255,255,255,.035)}.objective-grid span{color:var(--good);font-weight:950}.objective-grid p{margin:0;line-height:1.5;color:#cbd5e1}.lesson-list{display:grid;gap:10px}.lesson-row{display:grid;grid-template-columns:72px minmax(0,1fr) auto 18px;gap:15px;align-items:center;padding:18px;border:1px solid var(--border);border-radius:17px;background:rgba(17,24,45,.82);transition:.18s border-color,.18s transform}.lesson-row:hover{border-color:rgba(125,211,252,.35);transform:translateX(3px)}.lesson-row h3{margin:0}.lesson-row p{margin:7px 0;color:var(--muted);line-height:1.5}.lesson-row small{color:#8290a5}.lesson-row>b{color:var(--accent);font-size:20px}.lesson-number{display:grid;place-items:center;min-height:52px;padding:8px;border-radius:14px;background:rgba(125,211,252,.1);color:var(--accent);font-weight:950}.vocab-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px}.vocab-grid article{padding:18px;border:1px solid var(--border);border-radius:15px;background:rgba(255,255,255,.035)}.vocab-grid strong{color:var(--accent)}.vocab-grid p{color:#cbd5e1;line-height:1.5}.source-strip{display:flex;gap:9px;flex-wrap:wrap}.source-strip>a,.source-strip>span{display:inline-flex;align-items:center;gap:8px;padding:10px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.035);font-size:13px}.unit-pagination{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin-top:58px;padding-top:18px;border-top:1px solid var(--border)}.unit-pagination a{padding:12px;border-radius:12px;background:rgba(255,255,255,.045);font-weight:800}.unit-pagination a:last-of-type{text-align:right}.lesson-hero{max-width:850px}.lesson-status{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.lesson-tabs{position:sticky;top:66px;z-index:7;display:flex;gap:6px;overflow:auto;padding:9px;background:rgba(8,13,27,.92);border:1px solid var(--border);border-radius:15px;scrollbar-width:thin}.lesson-tabs a{padding:9px 12px;border-radius:9px;white-space:nowrap;font-size:13px;font-weight:850}.lesson-tabs a:hover{background:rgba(125,211,252,.12)}.learning-objectives{padding:19px;border-left:4px solid var(--good);border-radius:0 15px 15px 0;background:rgba(110,231,183,.06)}.learning-objectives li{margin:7px 0;color:#d5deeb}.teaching-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin-top:17px}.teaching-card{padding:21px;border:1px solid var(--border);border-radius:18px;background:linear-gradient(145deg,rgba(17,24,45,.9),rgba(24,33,58,.82))}.teaching-card>span{color:var(--accent);font-weight:950}.teaching-card p{color:#cbd5e1;line-height:1.65}.concept-visual{margin-top:18px;padding:25px;border:1px solid rgba(125,211,252,.22);border-radius:20px;background:radial-gradient(circle at 50% 0,rgba(125,211,252,.12),transparent 56%),rgba(9,15,30,.75)}.visual-flow{display:flex;align-items:center;justify-content:center;gap:9px}.visual-flow button{min-width:120px;min-height:84px;padding:12px;border:1px solid var(--border);border-radius:15px;background:rgba(255,255,255,.045);color:white;font:inherit;font-weight:850;cursor:pointer}.visual-flow button b{display:block;margin:auto auto 6px;width:25px;height:25px;padding-top:3px;border-radius:50%;background:rgba(125,211,252,.15);color:var(--accent)}.visual-flow button.active{border-color:var(--accent);background:rgba(125,211,252,.13)}.visual-flow i{color:#64748b}.concept-visual>p{text-align:center;color:#cbd5e1;line-height:1.6}.worked-example{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(240px,.6fr);gap:16px}.worked-example>div,.worked-example>aside{padding:25px;border:1px solid var(--border);border-radius:20px;background:rgba(17,24,45,.88)}.worked-example p,.worked-example li{color:#cbd5e1;line-height:1.65}.worked-example aside{border-color:rgba(251,191,36,.25);background:rgba(251,191,36,.055)}.worked-example aside>strong{color:#fcd34d}.mini-flash-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.mini-flash{position:relative;min-height:180px;padding:0;border:1px solid var(--border);border-radius:18px;background:transparent;color:white;cursor:pointer;perspective:900px;overflow:hidden}.mini-flash>span{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;background:linear-gradient(145deg,#121b32,#1a2440);backface-visibility:hidden;transition:.45s transform}.mini-flash>span:last-child{transform:rotateY(180deg);background:linear-gradient(145deg,#171b3b,#20264b)}.mini-flash.flipped>span:first-child{transform:rotateY(180deg)}.mini-flash.flipped>span:last-child{transform:none}.mini-flash b{line-height:1.45}.mini-flash small{margin-top:13px;color:var(--muted)}.practice-ladder{display:grid;gap:10px}.practice-ladder article{border:1px solid var(--border);border-radius:16px;background:rgba(17,24,45,.78);overflow:hidden}.practice-ladder button{display:grid;grid-template-columns:42px 1fr auto;align-items:center;width:100%;padding:15px;border:0;background:transparent;color:white;text-align:left;cursor:pointer;font:inherit}.practice-ladder button span{display:grid;place-items:center;width:31px;height:31px;border-radius:10px;background:rgba(125,211,252,.12);color:var(--accent);font-weight:950}.practice-ladder button em{color:var(--accent);font-style:normal;font-size:12px}.practice-ladder p{margin:0;padding:0 18px 18px 57px;color:#cbd5e1;line-height:1.65}.lesson-check{max-width:800px;padding:25px;border:1px solid var(--border);border-radius:20px;background:linear-gradient(145deg,var(--panel),var(--panel2))}.question-label{font-size:20px;font-weight:850;line-height:1.45}.quiz-result{text-align:center}.result-score{font-size:72px;font-weight:950;background:linear-gradient(100deg,var(--accent),var(--accent2));color:transparent;background-clip:text}.result-review{display:grid;gap:8px;text-align:left}.result-review article{padding:13px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.035)}.result-review p{margin-bottom:0;color:var(--muted);line-height:1.5}
@media(max-width:850px){.course-hero,.unit-overview-grid,.worked-example{grid-template-columns:1fr}.course-progress-card,.unit-progress{max-width:420px}.objective-grid,.teaching-grid,.vocab-grid,.mini-flash-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.visual-flow{align-items:stretch;overflow-x:auto;justify-content:flex-start;padding-bottom:5px}.visual-flow button{min-width:112px}.lesson-row{grid-template-columns:60px minmax(0,1fr) auto}.lesson-row>b{display:none}}
@media(max-width:600px){.course-hero{padding-top:25px}.course-tools{position:static}.full-unit-grid,.course-insights,.objective-grid,.teaching-grid,.vocab-grid,.mini-flash-grid{grid-template-columns:1fr}.lesson-row{grid-template-columns:52px minmax(0,1fr);padding:14px}.lesson-row .mastery-chip{grid-column:2}.lesson-tabs{top:4px}.unit-pagination{grid-template-columns:1fr}.unit-pagination a{text-align:left!important}.visual-flow i{display:none}.concept-visual{padding:16px}.visual-flow button{min-width:106px}.practice-ladder button{grid-template-columns:38px 1fr}.practice-ladder button em{grid-column:2}.practice-ladder p{padding-left:53px}.flashcard{height:350px}.course-crumbs{padding-top:8px}}
.framework-topics>a{display:block;min-width:0;padding:13px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.025)}.framework-topics>a:hover{border-color:rgba(125,211,252,.34);background:rgba(125,211,252,.055)}.framework-topics>a>div:first-child{display:flex;gap:8px;align-items:flex-start}.framework-topics>a>div:first-child span{flex:0 0 auto;color:var(--accent);font-size:11px;font-weight:950}.framework-topics>a>div:first-child strong{font-size:13px;line-height:1.35}
.math-controls label{display:block}
.answer-choices input{width:1px!important;height:1px!important;margin:0!important}
.five-e-nav{scrollbar-width:none}.five-e-nav::-webkit-scrollbar{display:none}
.parent-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;margin-top:16px}.parent-gallery button{min-width:0;padding:14px;border:1px solid var(--border);border-radius:13px;background:rgba(255,255,255,.035);color:#dbeafe;text-align:left;cursor:pointer}.parent-gallery button.active,.parent-gallery button:hover{border-color:var(--accent);background:rgba(125,211,252,.08)}.parent-gallery strong,.parent-gallery span,.parent-gallery small{display:block}.parent-gallery span{margin:7px 0;color:var(--accent);font-weight:900}.parent-gallery small{color:var(--muted);line-height:1.45}.transformation-timeline{display:flex;align-items:stretch;gap:6px;overflow-x:auto;margin-top:12px}.transformation-timeline span{flex:1 0 115px;padding:9px;border:1px solid var(--border);border-radius:9px;background:rgba(255,255,255,.03);color:#dbeafe;font-size:11px}.transformation-timeline b{align-self:center;color:var(--accent)}.graph-analysis{margin-top:15px;padding:16px;border:1px solid rgba(167,139,250,.25);border-radius:14px;background:rgba(167,139,250,.05)}.graph-analysis p{color:#cbd5e1}.graph-analysis [data-feature-answer]{min-height:24px;color:var(--accent);font-weight:850}@media(max-width:700px){.parent-gallery{grid-template-columns:1fr 1fr}}@media(max-width:430px){.parent-gallery{grid-template-columns:1fr}}
.parent-gallery svg{display:block;width:100%;height:55px;margin:7px 0;border:1px solid var(--border);border-radius:9px;background:#091225}.parent-gallery path{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round}.piece-toggles{display:flex;gap:8px;flex-wrap:wrap}.piece-toggles label{display:flex;align-items:center;gap:7px;padding:8px;border:1px solid var(--border);border-radius:9px;font-size:12px}.piece-toggles input{width:auto;margin:0}

/* Keep APHG mastery actions isolated from subject-specific mastery components. */
#masteryMap.mastery-map{grid-template-columns:repeat(4,minmax(0,1fr));overflow:visible;padding:3px}
#masteryMap .mastery-topic{min-width:0}
#masteryMap .mastery-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin-top:12px}
#masteryMap .mastery-actions a,#masteryMap .mastery-actions button{min-width:0;padding:8px 6px;border:0;border-radius:8px;background:rgba(255,255,255,.06);font-size:11px;text-align:center}
@media(max-width:900px){#masteryMap.mastery-map{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){#masteryMap.mastery-map{display:grid;grid-template-columns:minmax(0,1fr)}#masteryMap .mastery-topic{flex:auto}}

/* Official-framework full-year course maps */
[data-course-framework]{scroll-margin-top:24px}.framework-heading{align-items:flex-start}.framework-heading p{max-width:800px;line-height:1.6}.framework-priority{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:18px 0;padding:14px;border:1px solid var(--border);border-radius:15px;background:rgba(17,24,45,.74);color:#cbd5e1;font-size:12px;font-weight:800}.framework-priority span{display:flex;align-items:center;gap:7px}.framework-priority b{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:rgba(125,211,252,.1);color:var(--accent)}.framework-priority i{color:#64748b;font-style:normal}.framework-actions{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}.framework-units{display:grid;gap:11px}.framework-unit{overflow:hidden;border:1px solid var(--border);border-left:4px solid #64748b;border-radius:17px;background:rgba(17,24,45,.82)}.framework-unit.class-content-available{border-left-color:var(--good)}.framework-unit.needs-class-info{border-left-color:#fbbf24}.framework-unit>summary{display:grid;grid-template-columns:48px minmax(0,1fr) auto 24px;gap:12px;align-items:center;padding:17px;cursor:pointer;list-style:none}.framework-unit>summary::-webkit-details-marker{display:none}.framework-unit>summary strong,.framework-unit>summary small{display:block}.framework-unit>summary strong{color:#f8fafc;font-size:16px}.framework-unit>summary small{margin-top:4px;color:var(--muted);font-size:11px}.framework-number{display:grid;place-items:center;min-height:39px;padding:4px;border-radius:11px;background:rgba(125,211,252,.09);color:var(--accent);font-weight:950}.framework-chevron{color:var(--accent);font-size:20px;transition:transform .2s}.framework-unit[open] .framework-chevron{transform:rotate(180deg)}.class-order{color:var(--good);border-color:rgba(110,231,183,.25)}.framework-unit-body{padding:0 18px 18px}.framework-unit-body>p{color:#cbd5e1;line-height:1.58}.framework-topics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.framework-topics article{min-width:0;padding:13px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.025)}.framework-topics article>div:first-child{display:flex;gap:8px;align-items:flex-start}.framework-topics article>div:first-child span{flex:0 0 auto;color:var(--accent);font-size:11px;font-weight:950}.framework-topics article>div:first-child strong{font-size:13px;line-height:1.35}.framework-topics p{margin:8px 0;color:var(--muted);font-size:11px;line-height:1.45}.topic-provenance{display:flex;gap:5px;flex-wrap:wrap}.source-chip{display:inline-flex;padding:4px 6px;border:1px solid var(--border);border-radius:999px;color:#cbd5e1;font-size:9px;font-weight:950}.source-chip.official-framework{color:#93c5fd;border-color:rgba(147,197,253,.25)}.source-chip.teacher-class-material{color:#86efac;border-color:rgba(134,239,172,.25)}.source-chip.studyspace-generated{color:#c4b5fd;border-color:rgba(196,181,253,.25)}.framework-sources{margin-top:30px}.framework-source-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.framework-source{min-width:0;padding:16px;border:1px solid var(--border);border-top:3px solid #64748b;border-radius:15px;background:rgba(17,24,45,.78)}.framework-source.official-framework{border-top-color:#60a5fa}.framework-source.teacher-class-material{border-top-color:var(--good)}.framework-source.studyspace-generated{border-top-color:var(--accent2)}.framework-source>div{display:flex;gap:7px;align-items:flex-start}.framework-source strong{font-size:13px;line-height:1.35}.framework-source p{color:#cbd5e1;font-size:11px;line-height:1.5}.framework-source small,.framework-source>a,.framework-source>span{display:block;margin-top:8px;font-size:10px}.framework-source small{color:var(--muted)}.framework-warning{padding:17px;border:1px solid rgba(251,191,36,.25);border-left:4px solid #fbbf24;border-radius:14px;background:rgba(251,191,36,.055)}.framework-warning p{margin-bottom:0;color:#fde68a}.framework-warning strong{color:#fef3c7}
@media(max-width:850px){.framework-topics{grid-template-columns:1fr}.framework-source-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.framework-unit>summary{grid-template-columns:40px minmax(0,1fr) 20px}.framework-unit>summary .class-order{grid-column:2}.framework-source-grid{grid-template-columns:1fr}.framework-priority i{display:none}.framework-priority{display:grid;grid-template-columns:1fr}.framework-actions .btn{flex:1 1 140px}}
.framework-knowledge{margin:13px 0;padding:15px;border:1px solid rgba(125,211,252,.18);border-radius:13px;background:rgba(125,211,252,.045)}.framework-knowledge>strong{color:var(--accent);font-size:12px}.framework-knowledge ul{margin-bottom:0;padding-left:20px}.framework-knowledge li{margin:6px 0;color:#cbd5e1;font-size:12px;line-height:1.5}.framework-practice{margin-top:12px;padding:14px;border:1px solid rgba(167,139,250,.23);border-radius:13px;background:rgba(167,139,250,.045)}.framework-practice>summary,.framework-practice details>summary{cursor:pointer;color:#c4b5fd;font-weight:900}.framework-practice p,.framework-practice li{color:#dbeafe;font-size:12px;line-height:1.5}.framework-practice small{display:block;margin-top:10px;color:var(--muted)}

/* Verified Middleton course library and My Courses dashboard */
.library-head{max-width:980px}.library-head .lead{max-width:900px}.catalog-trust{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;margin-top:24px;padding:16px 18px;border:1px solid rgba(251,191,36,.25);border-left:4px solid #fbbf24;border-radius:14px;background:rgba(251,191,36,.055)}.catalog-trust strong{color:#fef3c7;white-space:nowrap}.catalog-trust span{color:#fde68a;line-height:1.55}.library-collections{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;padding-top:6px}.library-collections>a{display:grid;grid-template-columns:54px 1fr;column-gap:14px;align-items:center;padding:20px;border:1px solid var(--border);border-radius:20px;background:linear-gradient(145deg,rgba(17,24,45,.96),rgba(24,33,58,.88));transition:.2s transform,.2s border-color}.library-collections>a:hover{transform:translateY(-3px);border-color:rgba(125,211,252,.42)}.library-collections>a>span{grid-row:1/3;display:grid;place-items:center;width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#08111e;font-size:15px;font-weight:950}.library-collections strong{color:#f8fafc}.library-collections small{color:var(--muted);margin-top:4px}.library-tools{display:grid;grid-template-columns:1.25fr 1.8fr repeat(3,minmax(130px,.7fr)) auto;gap:10px;align-items:end;margin:30px 0;padding:20px;border-radius:20px}.library-tools h2{margin:3px 0}.library-tools label{display:grid;gap:6px;color:#cbd5e1;font-size:11px;font-weight:900}.library-tools input,.library-tools select{min-width:0;width:100%;padding:11px;border:1px solid var(--border);border-radius:11px;background:#0c1428;color:#f8fafc}.course-library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.library-course-card{display:flex;min-width:0;flex-direction:column;padding:20px;border:1px solid var(--border);border-top:4px solid #60a5fa;border-radius:19px;background:linear-gradient(145deg,rgba(17,24,45,.96),rgba(24,33,58,.88));box-shadow:0 14px 38px rgba(0,0,0,.12)}.library-course-card.compact{border-top-color:var(--accent2)}.library-card-top{display:flex;gap:12px;align-items:flex-start}.course-icon{display:grid;place-items:center;flex:0 0 43px;width:43px;height:43px;border-radius:13px;background:rgba(125,211,252,.1);font-size:22px}.verified-chip{display:inline-flex;margin-bottom:7px;color:#86efac;font-size:9px;font-weight:950;text-transform:uppercase;letter-spacing:.04em}.library-course-card h3{margin:0;font-size:18px;line-height:1.35}.library-course-card h3 a{color:#f8fafc}.library-course-card>p{color:var(--muted);font-size:12px;line-height:1.55}.library-meta{display:flex;gap:5px;flex-wrap:wrap;margin-top:15px}.library-meta span{padding:5px 7px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.035);color:#cbd5e1;font-size:9px;font-weight:800}.library-course-card dl{display:grid;gap:6px;margin:4px 0 16px}.library-course-card dl>div{display:grid;grid-template-columns:78px 1fr;gap:8px;padding-top:7px;border-top:1px solid rgba(148,163,184,.12);font-size:10px}.library-course-card dt{color:#8290a5;font-weight:850}.library-course-card dd{margin:0;color:#dbeafe;overflow-wrap:anywhere}.library-course-card .actions{margin-top:auto}.library-course-card .actions .btn{flex:1;min-width:120px;text-align:center}.catalog-caution{margin:0 0 13px;padding:10px;border:1px solid rgba(251,191,36,.2);border-radius:10px;background:rgba(251,191,36,.05);color:#fde68a;font-size:10px;line-height:1.45}.source-note{margin-top:42px;padding:24px;border-radius:20px}.source-note p{max-width:950px;color:#cbd5e1;line-height:1.7}.source-note strong{color:#f8fafc}#subjectCards .library-course-card.compact{min-height:270px}#subjectCards .library-course-card.compact>p{font-size:13px}#subjectCards>.empty-state{grid-column:1/-1}
@media(max-width:1100px){.library-tools{grid-template-columns:1fr 1.4fr 1fr 1fr}.library-tools>label:nth-of-type(4),.library-tools>.btn{grid-column:auto}.course-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.catalog-trust{grid-template-columns:1fr}.catalog-trust strong{white-space:normal}.library-collections{grid-template-columns:1fr}.library-tools{grid-template-columns:1fr 1fr}.library-tools>div,.library-search{grid-column:1/-1}}
@media(max-width:560px){.library-tools,.course-library-grid{grid-template-columns:1fr}.library-tools>*{grid-column:auto!important}.library-course-card{padding:16px}.library-course-card .actions{display:grid}.library-course-card .actions .btn{width:100%}}
.source-chip.school-catalog{color:#fde68a;border-color:rgba(253,230,138,.28)}.framework-source.school-catalog{border-top-color:#fbbf24}

/* Grade-first Course Library and first-visit course setup */
.grade-browser{display:grid;grid-template-columns:1.3fr repeat(4,1fr);gap:10px;margin-top:28px;padding:10px;border:1px solid var(--border);border-radius:20px;background:rgba(17,24,45,.72)}
.grade-browser button{min-height:70px;border:1px solid transparent;border-radius:14px;background:transparent;color:#cbd5e1;cursor:pointer;font:inherit;font-weight:850}
.grade-browser button strong,.grade-browser button span{display:block}.grade-browser button strong{font-size:19px}.grade-browser button span{margin-top:2px;color:var(--muted);font-size:11px}
.grade-browser button:hover,.grade-browser button.active{border-color:rgba(125,211,252,.35);background:rgba(125,211,252,.11);color:white}
.grade-course-groups{display:grid;gap:44px}.grade-subject-group{margin-top:0;scroll-margin-top:18px}.grade-subject-group>.section-head{padding-bottom:11px;border-bottom:1px solid var(--border)}
.library-course-card{min-height:225px;border-top-width:1px}.library-card-top h3{margin-top:2px}.library-card-top>div:last-child{min-width:0}
.library-course-card .course-line,.library-course-card .course-grades{margin:6px 0 0;color:#cbd5e1;font-size:12px;line-height:1.4}.library-course-card .course-grades{margin-top:3px;color:var(--muted)}
.course-program{align-self:flex-start;margin-top:15px;padding:6px 8px;border:1px solid rgba(167,139,250,.25);border-radius:999px;background:rgba(167,139,250,.08);color:#d8ccff;font-size:10px;font-weight:800}
.source-note summary{cursor:pointer;color:#dbeafe;font-size:16px;font-weight:900}.source-note[open] summary{margin-bottom:12px}.source-note p{font-size:13px}
body.setup-open{overflow:hidden}.course-onboarding{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:22px;background:rgba(3,7,18,.88);backdrop-filter:blur(12px)}
.setup-shell{width:min(760px,100%);max-height:calc(100vh - 44px);overflow:auto;padding:30px;border:1px solid rgba(125,211,252,.24);border-radius:28px;background:radial-gradient(circle at 10% 0,rgba(125,211,252,.12),transparent 35%),linear-gradient(145deg,#10182d,#151f38);box-shadow:0 30px 90px rgba(0,0,0,.55)}
.setup-shell.setup-wide{width:min(1080px,100%)}.setup-shell h1{font-size:clamp(38px,6vw,64px)}.setup-shell>.lead{max-width:760px}
.setup-top{display:flex;align-items:center;justify-content:space-between;min-height:42px}.setup-close,.setup-back-link{border:0;background:transparent;color:#cbd5e1;cursor:pointer;font:inherit;font-weight:850}.setup-close{width:42px;height:42px;border-radius:12px;font-size:26px}.setup-close:hover{background:rgba(255,255,255,.07)}
.setup-progress{display:flex;align-items:center;justify-content:center;margin:12px 0 28px}.setup-progress span{display:grid;place-items:center;width:30px;height:30px;border:1px solid var(--border);border-radius:50%;background:#0c1428;color:#718096;font-size:12px;font-weight:950}.setup-progress span.active{border-color:var(--accent);background:linear-gradient(135deg,var(--accent),var(--accent2));color:#06111d}.setup-progress i{width:70px;height:2px;background:rgba(255,255,255,.1)}
.grade-choice{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:28px}.grade-choice button{min-height:150px;border:1px solid var(--border);border-radius:20px;background:rgba(255,255,255,.035);color:white;cursor:pointer}.grade-choice button:hover,.grade-choice button.selected{border-color:var(--accent);background:rgba(125,211,252,.11);transform:translateY(-2px)}.grade-choice strong,.grade-choice span{display:block}.grade-choice strong{font-size:45px}.grade-choice span{margin-top:5px;color:var(--muted);font-weight:800}
.setup-actions{position:sticky;bottom:-30px;display:flex;align-items:center;justify-content:space-between;gap:12px;margin:28px -30px -30px;padding:18px 30px;background:linear-gradient(transparent,rgba(16,24,45,.98) 22%)}
.setup-selection-summary{position:sticky;top:-30px;z-index:2;display:flex;justify-content:space-between;gap:14px;margin:24px -30px 18px;padding:17px 30px;background:rgba(16,24,45,.96);border-block:1px solid var(--border)}.setup-selection-summary button{border:0;background:transparent;color:var(--accent);cursor:pointer;font-weight:850}
.setup-course-groups{display:grid;gap:28px}.setup-course-groups section{margin:0}.setup-course-groups h2{margin-bottom:12px;font-size:22px}.setup-course-groups section>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.setup-course{display:grid;grid-template-columns:42px minmax(0,1fr) 30px;gap:11px;align-items:center;min-height:82px;padding:13px;border:1px solid var(--border);border-radius:15px;background:rgba(255,255,255,.03);cursor:pointer}.setup-course:hover,.setup-course.selected{border-color:rgba(125,211,252,.42);background:rgba(125,211,252,.09)}.setup-course input{position:absolute;opacity:0;pointer-events:none}.setup-course>span:nth-of-type(2){min-width:0}.setup-course strong,.setup-course small{display:block}.setup-course small{margin-top:4px;color:var(--muted);line-height:1.4}.setup-course i{display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--border);border-radius:9px;color:var(--accent);font-style:normal;font-weight:950}.setup-course.selected i{border-color:transparent;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#06111d}
.setup-review{display:grid;gap:9px;margin-top:25px}.setup-review article{display:grid;grid-template-columns:44px minmax(0,1fr) 38px;gap:12px;align-items:center;padding:13px;border:1px solid var(--border);border-radius:15px;background:rgba(255,255,255,.035)}.setup-review strong,.setup-review small{display:block}.setup-review small{margin-top:4px;color:var(--muted)}.setup-review article>button{width:36px;height:36px;border:0;border-radius:10px;background:rgba(253,164,175,.08);color:#fda4af;cursor:pointer;font-size:21px}
@media(max-width:760px){.grade-browser{grid-template-columns:1fr 1fr}.grade-browser button:first-child{grid-column:1/-1}.grade-choice{grid-template-columns:1fr 1fr}.setup-course-groups section>div{grid-template-columns:1fr}.course-onboarding{padding:10px}.setup-shell{max-height:calc(100vh - 20px);padding:22px;border-radius:22px}.setup-actions{bottom:-22px;margin:24px -22px -22px;padding:17px 22px}.setup-selection-summary{top:-22px;margin-inline:-22px;padding-inline:22px}}
@media(max-width:480px){.grade-choice{grid-template-columns:1fr}.grade-choice button{min-height:105px}.setup-progress i{width:42px}.setup-actions .btn{flex:1}.setup-review article{grid-template-columns:40px minmax(0,1fr) 36px}}