:root{--navy:#1b2540;--text:#28334a;--muted:#747d89;--teal:#246b64;--teal-hover:#19534d;--gold:#e8bc68;--canvas:#f8f9f6;--surface:#fff;--line:#e9ece6;--soft:#f2f5ef;--hero:#eaf2e9;--nav-active:#e9f1ec;--shadow:0 8px 30px #1b254005;--radius:20px;--font:"Inter",sans-serif;--heading:"Sora",sans-serif;color-scheme:light;font-family:var(--font);color:var(--text);background:var(--canvas);font-synthesis:none;font-size:14px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.52}a{color:inherit;text-decoration:none}button{color:inherit}svg{flex-shrink:0}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--heading);font-weight:500;letter-spacing:-.04em;color:var(--navy)}p{line-height:1.65}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #cb9739;outline-offset:4px}main:focus,h2:focus{outline:none}.sr-only{position:absolute!important;clip:rect(0,0,0,0);width:1px;height:1px;padding:0;overflow:hidden;white-space:nowrap}.skip-link{position:fixed;z-index:100;top:-70px;left:270px;background:var(--navy);color:#fff;padding:14px}.skip-link:focus{top:10px}.button{border:1px solid transparent;background:var(--teal);color:#fff;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:47px;padding:13px 21px;font-weight:600;font-size:13px;transition:background .2s,transform .2s}.button:hover{background:var(--teal-hover);transform:translateY(-1px)}.button.secondary{background:var(--surface);color:var(--teal);border-color:var(--line)}.button.secondary:hover{background:var(--soft);border-color:var(--teal)}.button.danger{background:#9e3e35}.button.wide{width:100%}.text-link{display:inline-flex;align-items:center;gap:9px;color:var(--teal);font-size:12px;font-weight:600;background:none;border:0;padding:8px 0;cursor:pointer}.text-link:hover{text-decoration:underline}.icon-button{display:inline-flex;align-items:center;justify-content:center;min-width:42px;min-height:42px;padding:8px;background:none;border:1px solid transparent;border-radius:10px;color:var(--muted)}.icon-button:hover{background:var(--soft);color:var(--teal)}.muted{color:var(--muted)}.small-note{font-size:12px;color:var(--muted);line-height:1.7}.initial-loading{min-height:90vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:30px;text-align:center}.initial-loading>p{max-width:520px}.loading-brand{animation:pulse 2s infinite}@keyframes pulse{50%{opacity:.5}}.app-layout{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:240px;background:var(--surface);border-right:1px solid var(--line);padding:34px 21px 24px;display:flex;flex-direction:column;z-index:40}.brand{display:flex;align-items:center;gap:9px;font-family:var(--heading);font-weight:600;font-size:29px;letter-spacing:-1.6px;color:var(--navy)}.brand svg{width:33px;height:33px;color:var(--teal)}.brand>span{color:var(--teal);margin-left:-8px}.brand-payoff{color:var(--muted);font-size:10px;margin:10px 0 43px 43px;letter-spacing:.02em}.nav-section-label{color:#929998;font-size:9px;letter-spacing:1.4px;font-weight:600;margin:0 12px 14px}.sidebar nav{display:flex;flex-direction:column;gap:7px}.nav-link{padding:13px 14px;display:flex;align-items:center;gap:12px;border-radius:9px;font-size:12px;color:#697179;min-height:46px;transition:.2s}.nav-link:hover{background:var(--soft);color:var(--teal)}.nav-link.active{background:var(--nav-active);color:var(--teal);font-weight:600}.nav-count{font-size:10px;min-width:21px;height:21px;border-radius:6px;background:var(--teal);color:#fff;display:grid;place-items:center;margin-left:auto}.sidebar-bottom{margin-top:auto;padding-top:38px}.calm-note{background:var(--canvas);border-radius:14px;padding:19px 16px;margin-bottom:23px}.calm-note-icon{display:block;color:var(--teal);margin-bottom:12px}.calm-note strong{font-size:10px;font-weight:600}.calm-note p{color:var(--muted);font-size:10px;margin-top:6px;line-height:1.8}.help-link{border-top:1px solid var(--line);display:flex;gap:9px;align-items:center;font-size:10px;color:var(--muted);margin:15px 8px 0;padding-top:20px}.help-link svg:last-child{margin-left:auto}.workspace{margin-left:240px;min-height:100vh;display:flex;flex-direction:column}.topbar{height:81px;min-height:81px;padding:0 42px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.topbar-left,.topbar-right{display:flex;align-items:center;gap:17px}.topbar-left{font-size:11px}.topbar-left strong{font-weight:500}.breadcrumb,.breadcrumb-divider{color:var(--muted)}.breadcrumb-divider{opacity:.5}.local-badge{color:var(--muted);font-size:10px;display:flex;align-items:center;gap:8px}.local-badge>span,.status-dot{height:6px;width:6px;border-radius:100%;background:#568273;display:inline-block;flex-shrink:0}.topbar-right>.icon-button{border-left:1px solid var(--line);border-radius:0;margin-left:6px;padding-left:21px}.main-content{width:100%;max-width:1320px;margin:auto;flex:1;padding:38px 42px 42px}.page-intro{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:29px}.eyebrow{font-size:9px;font-weight:600;letter-spacing:1.7px;color:var(--muted);margin-bottom:11px}.page-intro h1{font-size:28px;line-height:1.4}.page-intro>div>p:last-child{font-size:12px;margin-top:7px;color:var(--muted)}.greeting-spark{display:inline-block;margin-left:14px;color:#c89947;font-size:30px;font-family:serif;vertical-align:middle}.date-label{font-size:11px;color:var(--muted);padding-top:18px;white-space:nowrap}.hero{border-radius:var(--radius);position:relative;overflow:hidden;min-height:334px;display:flex;align-items:center;background:var(--hero);border:1px solid #e0e9df;padding:38px 35px;margin-bottom:23px}.hero:after{position:absolute;content:"";width:340px;height:340px;border-radius:100%;background:radial-gradient(circle,#e4eddd,transparent 65%);right:-80px;top:-120px;pointer-events:none}.hero-copy{position:relative;z-index:2;max-width:560px}.hero-kicker{font-size:8px;font-weight:600;letter-spacing:1.4px;color:var(--teal);display:flex;align-items:center;gap:8px;margin-bottom:20px}.hero-kicker>span{display:block;width:5px;height:5px;background:var(--teal);border-radius:10px}.hero h2{font-size:36px;line-height:1.34;letter-spacing:-1.55px;margin-bottom:14px}.hero h2 em{font-style:normal;color:var(--teal)}.hero-copy>p{font-size:12px;color:#6b7b74;line-height:1.8;margin-bottom:24px}.hero-note{display:block;margin-top:13px;font-size:9px;color:#6b7b74}.orbit-art{position:absolute;right:11px;top:50%;width:310px;height:310px;transform:translateY(-50%);color:#2e655a}.orbit{border:1px solid #98b5a247;position:absolute;border-radius:50%;inset:5px}.orbit-two{inset:36px;transform:rotate(-26deg) scaleX(.87);border-style:dashed}.orbit-three{inset:67px}.orbit-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-9deg);width:132px;height:159px;box-shadow:10px 11px #d7e3d4;border:1px solid #aec5b28c;border-radius:9px;background:#f8fbf0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:13px}.orbit-center span{font-family:var(--heading);font-size:11px;line-height:1.5;text-align:center;color:#608172}.orbit-node{position:absolute;display:grid;place-items:center;width:50px;height:50px;background:#fcfcf3;border-radius:14px;border:1px solid #cfdfcf;box-shadow:var(--shadow)}.orbit-node svg{width:26px;height:26px;stroke-width:1.2}.node-globe{top:13px;left:58px;transform:rotate(-12deg)}.node-star{right:0;top:108px;transform:rotate(14deg);background:#f1ddb0;border-color:#e8d4a6;color:#926b30}.node-planet{bottom:13px;left:60px;transform:rotate(-9deg);background:#d9e7db}.node-leaf{right:37px;bottom:33px;width:35px;height:35px;transform:rotate(10deg)}.node-leaf svg{width:19px}.little-dot{position:absolute;border-radius:50%;background:#a5b997;width:9px;height:9px}.dot-one{top:39px;right:54px;background:#d9b975}.dot-two{bottom:114px;left:4px;width:6px;height:6px}.dot-three{bottom:1px;right:109px;width:5px;height:5px}.tiny-star{position:absolute;left:27px;top:112px;color:#c6a359;font-size:25px}.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-bottom:35px}.metric-card{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;padding:20px 19px;display:flex;gap:15px;align-items:center;text-align:left;min-height:100px}.metric-card>svg{margin-left:auto;color:var(--muted)}.metric-card.has-due{border-color:#d8bf85}.metric-icon{width:43px;height:43px;display:grid;place-items:center;background:#f0f5ef;border-radius:12px;color:#547c68}.metric-icon.warm{background:#fbf5e8;color:#bb9147}.metric-icon.violet{background:#f2eff8;color:#9281b1}.metric-label{color:var(--muted);font-size:10px;display:block;margin-bottom:8px}.metric-card strong{display:flex;align-items:baseline;gap:9px;font-family:var(--heading);font-size:25px;font-weight:500;line-height:1}.metric-card strong small{font-family:var(--font);font-weight:400;font-size:9px;color:#8a918e}.home-lower{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:27px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:22px}.section-heading h2{font-size:18px}.section-heading p{font-size:11px;color:var(--muted);margin-top:6px}.section-heading .text-link{white-space:nowrap;font-size:10px}.subject-grid{display:grid;gap:14px}.subject-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.subject-card{display:flex;align-items:center;gap:12px;padding:17px 14px;background:var(--surface);border:1px solid var(--line);border-radius:12px;text-align:left;transition:.2s;min-height:89px}.subject-card:hover,.explore-card:hover{border-color:#a3b9aa;transform:translateY(-3px);box-shadow:0 9px 25px #1b254009}.subject-card>span:not(.subject-icon){display:flex;flex-direction:column;gap:6px}.subject-card strong{font-size:11px;font-weight:500;line-height:1.5}.subject-card small{font-size:9px;color:var(--muted)}.subject-card>svg{margin-left:auto;color:var(--muted);width:14px}.subject-icon{color:var(--subject-color);background:color-mix(in srgb,var(--subject-color) 9%,var(--surface));border-radius:12px;display:grid;place-items:center;min-width:43px;height:43px}.catalog-note{margin-top:19px;color:var(--muted);font-size:9px;display:flex;align-items:center;gap:7px;line-height:1.6}.daily-card{background:#f4f1e8;border:1px solid #ece6d8;border-radius:15px;padding:21px 22px;align-self:stretch}.daily-top{display:flex;justify-content:space-between;gap:5px;color:#aa945b}.daily-top .eyebrow{font-size:8px;letter-spacing:1px;color:#8f805c}.daily-card h3{font-size:17px;line-height:1.55;margin:6px 0 18px}.daily-progress{display:flex;align-items:center;gap:11px;margin-bottom:12px}.daily-progress strong{font-size:22px;font-family:var(--heading);font-weight:500}.daily-progress strong span{font-size:16px;color:#a8a28f;font-weight:400}.daily-progress>span{font-size:9px;color:#8a8474}.progress-track{height:5px;border-radius:6px;background:var(--line);overflow:hidden}.progress-track>span{display:block;height:100%;background:var(--teal);border-radius:6px;transition:width .4s}.daily-card .progress-track{background:#e6e0cf}.daily-card p{font-size:9px;color:#8a8474;margin-top:12px}.daily-card>a{font-size:9px;display:flex;align-items:center;gap:4px;margin-top:17px;color:#746c54;text-decoration:underline;text-underline-offset:3px}.how-strip{display:flex;align-items:center;gap:17px;margin-top:29px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:19px 21px}.how-icon{color:#a9aa8b}.how-strip strong{font-size:11px;font-weight:500}.how-strip p{font-size:10px;color:var(--muted);margin-top:5px}.how-strip>.icon-button{margin-left:auto}.app-footer{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 42px;border-top:1px solid var(--line);color:#8d948e;font-size:8px}.app-footer>div{display:flex;align-items:center;gap:15px}.footer-dot{padding:0 6px}.credit{display:flex;align-items:center;gap:4px;font-size:8px}.credit strong{font-weight:500;color:var(--teal)}.credit:hover strong{text-decoration:underline}.mobile-menu,.mobile-bottom,.nav-backdrop{display:none}.notice{display:flex;align-items:center;justify-content:center;gap:9px;padding:11px 25px;font-size:12px;color:#755920;background:#fff2d7;line-height:1.6}.update-notice{flex-wrap:wrap}.notice button{color:inherit;border:0;background:none;text-decoration:underline;font-weight:600}.toast{position:fixed;bottom:22px;left:calc(50% + 120px);transform:translate(-50%,15px);z-index:100;border-radius:11px;box-shadow:0 10px 35px #142c3225;background:var(--navy);color:#fff;font-size:12px;opacity:0;pointer-events:none;transition:.2s;display:flex;align-items:center;gap:10px;max-width:calc(100% - 40px);padding:14px 20px}.toast.visible{opacity:1;transform:translate(-50%)}.study-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:11px;color:var(--muted);max-width:870px;margin:8px auto 17px}.study-toolbar>span:first-child{display:flex;gap:8px;align-items:center}.study-card{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;max-width:870px;margin:0 auto;padding:35px 45px;min-height:370px}.card-metadata{display:flex;align-items:center;gap:10px;font-size:10px;flex-wrap:wrap;color:var(--muted)}.subject-tag{display:inline-flex;align-items:center;gap:7px;font-weight:600}.difficulty-tag{background:var(--soft);padding:6px 9px;border-radius:5px;font-size:9px;margin-left:auto}.card-eyebrow{color:var(--muted);font-size:8px;font-weight:600;letter-spacing:1.7px;margin:43px 0 18px}.study-card>h2{font-size:30px;line-height:1.6;max-width:690px;letter-spacing:-.9px}.reveal-area{padding:33px 0 10px}.reveal-area>p{color:var(--muted);font-size:12px}.reveal-button{margin-top:24px}.reveal-area>span{display:block;color:var(--muted);font-size:10px;margin-top:15px}.answer-area{animation:reveal .35s ease}@keyframes reveal{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.answer-content{margin-top:27px;border-top:1px solid var(--line);padding-top:5px}.answer-content .card-eyebrow{margin-top:25px;color:var(--teal)}.answer-content h3,.answer-title{font-size:23px;color:var(--teal);margin-bottom:15px;line-height:1.5}.explanation{font-size:15px;line-height:1.85;color:var(--text)}.source-details{margin-top:18px;font-size:11px;color:var(--muted)}.source-details summary{display:flex;gap:8px;align-items:center;cursor:pointer;width:max-content;text-decoration:underline;text-underline-offset:3px;padding:8px 0}.source-details summary:before{content:"+";font-size:13px}.source-details[open] summary:before{content:"−"}.source-details ul{padding:0;list-style:none}.source-details li{padding:8px 0}.source-details li a{color:var(--teal);display:flex;gap:5px;align-items:center}.source-details li small{display:block;margin-top:5px}.rating-area{margin:27px -45px -35px;padding:25px 34px 29px;border-radius:0 0 20px 20px;background:var(--canvas);border-top:1px solid var(--line)}.rating-area h3{font-size:16px;text-align:center}.rating-area>p{font-size:10px;color:var(--muted);text-align:center;margin-top:7px}.rating-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:21px}.rating{border:1px solid var(--line);border-radius:10px;padding:13px 8px;background:var(--surface);display:flex;flex-direction:column;align-items:center;gap:8px;transition:.2s}.rating:hover{transform:translateY(-3px);border-color:currentColor;box-shadow:var(--shadow)}.rating strong{font-size:11px;font-weight:600}.rating small{font-size:10px;opacity:.85}.rating-number{font-size:17px}.rating-1{color:#9b4b42}.rating-2{color:#87672f}.rating-3{color:#246b64}.rating-4{color:#5565a1}.study-bottom{font-size:10px;color:var(--muted);display:flex;align-items:center;gap:7px;justify-content:center;padding:24px 0}.skeleton{display:grid;place-items:center;color:var(--muted);animation:pulse 1.8s infinite}.empty-state{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:65px 35px;text-align:center;max-width:870px;margin:15px auto}.empty-state h2{font-size:24px;line-height:1.5;margin:22px auto 14px;max-width:550px}.empty-state p{font-size:13px;color:var(--muted);max-width:550px;margin:0 auto 25px}.empty-icon{display:inline-grid;place-items:center;width:67px;height:67px;background:var(--hero);border-radius:100%;color:var(--teal)}.error-box{padding:20px;border:1px solid #dcaaa2;background:#fff2ef;border-radius:15px;margin-bottom:20px;color:#94483c}.error-box .button{margin-top:12px}.catalog-total{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:11px;margin:0 0 27px}.subject-grid.full{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.explore-card{padding:25px 20px;background:var(--surface);border:1px solid var(--line);border-radius:17px;text-align:left;display:flex;flex-direction:column;align-items:flex-start;transition:.2s}.explore-card .subject-icon{width:49px;height:49px;margin-bottom:26px}.explore-card h2{font-size:17px;line-height:1.5;margin-bottom:10px}.explore-card p{font-size:11px;color:var(--muted);line-height:1.8;margin-bottom:26px}.explore-card>div{margin-top:auto;padding-top:17px;border-top:1px solid var(--line);width:100%;display:flex;gap:5px;align-items:center;justify-content:space-between}.explore-card>div>span{font-size:8px;color:var(--muted);line-height:1.6}.info-note{display:flex;gap:13px;align-items:flex-start;padding:20px 23px;background:var(--soft);border-radius:13px;margin-top:24px;color:var(--muted);font-size:11px}.info-note>svg{color:var(--teal);margin-top:3px}.topic-list{margin-top:24px;display:flex;flex-direction:column;gap:6px}.topic-list button{display:flex;align-items:center;text-align:left;gap:10px;background:var(--canvas);border:1px solid var(--line);border-radius:9px;padding:14px;font-size:12px;min-height:46px}.topic-list button small{margin-left:auto;color:var(--muted);font-size:10px}.topic-list button:disabled{opacity:.6}.topic-list button:hover:enabled{border-color:var(--teal)}.modal{border:1px solid var(--line);border-radius:20px;padding:28px;max-width:600px;width:calc(100% - 32px);background:var(--surface);color:var(--text);box-shadow:0 25px 90px #10282435;max-height:88dvh}.modal::backdrop{background:#17233a70;backdrop-filter:blur(4px)}.modal-heading{display:flex;align-items:flex-start;gap:12px;margin-bottom:15px}.modal-heading h2{font-size:23px;line-height:1.5;margin-top:4px}.modal-heading .icon-button{margin-left:auto}.modal>p{font-size:13px;margin-bottom:20px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:25px}.detail-sources{display:flex;flex-wrap:wrap;gap:15px;font-size:11px;color:var(--teal)}.detail-sources>a{display:flex;gap:5px;align-items:center}.count-pill{font-size:11px;color:var(--teal);background:var(--hero);padding:10px 15px;border-radius:50px;white-space:nowrap}.collection-filters{display:flex;flex-wrap:wrap;gap:11px;margin-bottom:20px}.search-field{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:0 14px;flex:1;min-width:240px;color:var(--muted)}.search-field input{width:100%;height:44px;background:none;border:0;color:var(--text);outline-offset:0;font-size:12px}select{border:1px solid var(--line);color:var(--text);background:var(--surface);border-radius:9px;padding:10px 30px 10px 12px;min-height:44px;font-size:12px;max-width:100%}.collection-filters+.muted{font-size:11px;margin-bottom:16px}.knowledge-list{display:flex;flex-direction:column;gap:10px}.knowledge-row{display:flex;align-items:center;gap:18px;background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:18px;text-align:left}.knowledge-row:hover{border-color:#a0b9a8}.knowledge-row>span:nth-child(2){display:flex;flex-direction:column;gap:7px;flex:1}.knowledge-row small{color:var(--muted);font-size:9px}.knowledge-row strong{font-size:12px;font-weight:600;line-height:1.5}.knowledge-row>span:nth-child(2)>span{color:var(--muted);font-size:11px;line-height:1.5}.due-chip{color:var(--muted);font-size:9px;white-space:nowrap}.due-chip.due{background:#f6ead5;color:#86662f;padding:7px;border-radius:6px}.knowledge-row>svg{color:var(--muted)}.pagination{display:flex;align-items:center;justify-content:center;gap:14px;font-size:11px;color:var(--muted);margin-top:23px}.stats-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}.stat-tile{border:1px solid var(--line);background:var(--surface);border-radius:14px;padding:23px;display:flex;flex-direction:column}.stat-tile>span{font-size:11px;color:var(--muted)}.stat-tile strong{font-family:var(--heading);font-size:34px;font-weight:400;margin:16px 0 12px;color:var(--teal)}.stat-tile small{font-size:9px;color:var(--muted)}.stats-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:24px}.panel{padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:16px;min-width:0}.panel h2{font-size:18px;line-height:1.55}.panel>p{color:var(--muted);font-size:12px;margin-top:9px}.subject-bars{display:flex;flex-direction:column;gap:19px;margin-top:25px}.subject-bars>div>span{display:flex;gap:8px;align-items:center;font-size:11px;margin-bottom:8px}.subject-bars strong{margin-left:auto;font-size:11px;font-weight:500}.subject-bars .progress-track{height:5px}.forecast{height:250px;margin:30px 0 20px;display:flex;gap:14px;align-items:flex-end}.forecast>div{flex:1;display:flex;flex-direction:column;align-items:center;gap:11px;height:100%;font-size:10px;color:var(--muted)}.forecast strong{font-size:11px;font-weight:500}.forecast-track{height:200px;width:100%;display:flex;align-items:flex-end;border-bottom:1px solid var(--line)}.forecast-track span{display:block;width:100%;border-radius:5px 5px 0 0;background:#a0bcaa;min-height:3px}.forecast>div:first-child .forecast-track span{background:var(--teal)}.panel .chart-note{font-size:10px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.span-two{grid-column:span 2}.field-label{display:flex;flex-direction:column;gap:9px;font-size:11px;margin-top:23px;max-width:250px}.settings-subheading{font-size:13px;margin:25px 0 13px}.segmented{display:flex;gap:5px;padding:5px;background:var(--canvas);border-radius:9px;width:max-content;max-width:100%}.segmented button{border:0;border-radius:6px;padding:10px 17px;font-size:11px;background:none;color:var(--muted);min-height:40px}.segmented button.selected{background:var(--surface);box-shadow:0 2px 5px #00000008;color:var(--teal)}.subject-checkboxes{display:grid;grid-template-columns:1fr 1fr;gap:7px 13px;margin-top:21px}.subject-checkboxes label{display:flex;align-items:center;gap:8px;font-size:10px;min-height:37px;cursor:pointer}.subject-checkboxes svg{color:var(--muted)}.subject-checkboxes input{accent-color:var(--teal);width:15px;height:15px;margin:0}.offline-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}.offline-row{display:flex;gap:10px;align-items:center;padding:10px 12px;background:var(--canvas);border:1px solid var(--line);border-radius:10px}.offline-row>svg{color:var(--muted)}.offline-row div{display:flex;flex-direction:column;gap:6px}.offline-row strong{font-size:10px;font-weight:500}.offline-row small{font-size:8px;color:var(--muted)}.offline-row .icon-button{margin-left:auto;min-width:30px;padding:5px}.button-stack{display:flex;flex-wrap:wrap;gap:10px;margin:23px 0 17px}.version-list{font-size:11px;margin:20px 0}.version-list>div{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);padding:10px 0}.version-list dt{color:var(--muted)}.version-list dd{margin:0}.settings-links{display:flex;flex-direction:column;gap:15px;margin-top:22px;color:var(--teal);font-size:11px}.settings-links a{display:flex;align-items:center;gap:8px;width:max-content}.reset-panel{display:flex;align-items:center;gap:20px;justify-content:space-between}.reset-panel h2{font-size:15px}.reset-panel p{font-size:10px;color:var(--muted);margin-top:7px}.reset-panel>div:last-child{display:flex;flex-direction:column;gap:10px;align-items:flex-end;flex-shrink:0}.danger-link{border:0;background:none;font-size:11px;display:flex;gap:8px;align-items:center;color:#a34235;padding:8px 0}.reset-panel .text-link{font-size:11px}[data-theme=dark]{color-scheme:dark;--navy:#eef1e9;--text:#d7ded7;--muted:#a0ada7;--teal:#94cdb6;--teal-hover:#b1dcc9;--canvas:#151e1d;--surface:#1b2725;--line:#2e3b36;--soft:#22322b;--hero:#213a31;--nav-active:#284034;--shadow:none}[data-theme=dark] .button{color:#142a22;background:#9bceb7}[data-theme=dark] .button.secondary{background:var(--surface);color:var(--teal)}[data-theme=dark] .hero{border-color:var(--line)}[data-theme=dark] .hero-copy>p,[data-theme=dark] .hero-note{color:#abc0b4}[data-theme=dark] .hero:after{opacity:.1}[data-theme=dark] .hero-kicker{color:#b0d0ba}[data-theme=dark] .orbit-art{opacity:.75}[data-theme=dark] .daily-card{background:#302d22;border-color:#454131}[data-theme=dark] .daily-card p,[data-theme=dark] .daily-card a,[data-theme=dark] .daily-progress>span,[data-theme=dark] .daily-top .eyebrow{color:#c9bf9f}[data-theme=dark] .metric-icon{background:#263c2e;color:#a5c6ae}[data-theme=dark] .metric-icon.warm{background:#393124;color:#dfbf80}[data-theme=dark] .metric-icon.violet{background:#302d3c;color:#c5b9e0}[data-theme=dark] .nav-link{color:#a5b4aa}[data-theme=dark] .nav-link.active{color:var(--teal)}[data-theme=dark] .rating-1{color:#efaea5}[data-theme=dark] .rating-2{color:#e0c78d}[data-theme=dark] .rating-3{color:#9ed2b9}[data-theme=dark] .rating-4{color:#b2c0ed}[data-theme=dark] .button.danger{background:#aa4e42;color:#fff}[data-theme=dark] .danger-link{color:#f0a599}[data-theme=dark] .notice{background:#443a23;color:#e7d9b5}[data-theme=dark] .toast{background:#d6e5d8;color:#1b3024}[data-theme=dark] .subject-tag{color:var(--teal)!important}@media(min-width:1500px){.main-content{padding-top:45px}.hero{min-height:370px;padding:43px}.hero h2{font-size:42px}.orbit-art{right:58px;transform:translateY(-50%) scale(1.12)}.metric-grid{gap:22px}.home-lower{grid-template-columns:minmax(0,1fr) 290px}}@media(max-width:1200px){.sidebar{width:215px;padding-left:17px;padding-right:17px}.workspace{margin-left:215px}.main-content{padding:30px}.topbar{padding:0 30px}.hero{padding:30px 27px}.hero h2{font-size:31px;letter-spacing:-1.1px}.hero-copy{max-width:450px}.orbit-art{right:-15px;transform:translateY(-50%) scale(.84);transform-origin:right center}.metric-card{padding:17px 13px;gap:10px}.metric-card strong small{display:none}.metric-label{font-size:9px}.home-lower{gap:20px;grid-template-columns:minmax(0,1fr) 230px}.daily-card{padding:20px 17px}.subject-card{padding:14px 10px;gap:9px}.subject-card strong{font-size:10px}.subject-icon{min-width:37px;height:39px}.subject-card>svg{display:none}.subject-grid.full,.offline-grid{grid-template-columns:repeat(2,1fr)}.app-footer{padding:24px 30px}.app-footer>span{display:none}.app-footer>div{width:100%;justify-content:flex-end}.toast{left:calc(50% + 107px)}.subject-checkboxes{grid-template-columns:1fr}.stats-metrics{gap:13px}.stat-tile{padding:18px}.stat-tile>span{font-size:10px}.stat-tile small{line-height:1.6}.panel{padding:23px}}@media(max-width:1000px){.hero h2{font-size:29px}.hero-copy{max-width:380px}.orbit-art{right:-35px;opacity:.7;transform:translateY(-50%) scale(.68)}.hero-kicker{font-size:7px;letter-spacing:1px}.home-lower{grid-template-columns:1fr}.daily-card{display:grid;grid-template-columns:1fr 1fr;column-gap:30px}.daily-top{grid-column:1}.daily-card h3{grid-row:2 / span 2;grid-column:1;margin:0;font-size:19px}.daily-progress{grid-column:2;grid-row:1 / span 2}.daily-card .progress-track{grid-column:2;grid-row:3}.daily-card p{grid-column:2}.daily-card>a{grid-column:1;grid-row:4;margin:8px 0}.subject-card strong{font-size:12px}.subject-card{padding:18px}.subject-card>svg{display:block}.subject-card .subject-icon{min-width:43px;height:43px}.stats-grid{grid-template-columns:1fr}.settings-grid{gap:15px}.settings-grid .panel{padding:20px}.segmented button{padding:10px 12px}.study-card{padding:30px}.rating-area{margin-left:-30px;margin-right:-30px;margin-bottom:-30px;padding:23px}.rating-grid{gap:7px}.rating strong{font-size:10px}.study-card>h2{font-size:25px}.reset-panel{align-items:flex-start;flex-direction:column}.reset-panel>div:last-child{align-items:flex-start}.page-intro h1{font-size:24px}}@media(max-width:800px){.sidebar{width:250px;transform:translate(-100%);transition:transform .25s}.sidebar.is-open{transform:translate(0);z-index:60}.nav-backdrop{display:block;position:fixed;inset:0;background:#10271c66;backdrop-filter:blur(3px);z-index:50;border:0}.workspace{margin-left:0}.main-content{padding:27px 25px 30px}.topbar{height:66px;min-height:66px;padding:0 20px}.mobile-menu{display:flex}.breadcrumb,.breadcrumb-divider{display:none}.topbar-left{gap:9px}.topbar-right{gap:5px}.local-badge{font-size:9px}.topbar-right>.icon-button{padding-left:10px}.hero{min-height:310px}.hero h2{font-size:35px}.hero-copy{max-width:480px}.orbit-art{right:0;opacity:1;transform:translateY(-50%) scale(.78)}.hero-kicker{font-size:8px}.home-lower{grid-template-columns:minmax(0,1fr) 235px}.daily-card{display:block}.daily-card h3{margin:10px 0 19px;font-size:17px}.daily-card>a{margin-top:18px}.daily-card p{margin-top:13px}.subject-card{padding:14px 10px}.subject-card strong{font-size:10px}.subject-card>svg{display:none}.mobile-bottom{display:flex;justify-content:space-around;position:fixed;bottom:0;left:0;right:0;z-index:35;background:var(--surface);border-top:1px solid var(--line);padding:8px 7px calc(8px + env(safe-area-inset-bottom))}.mobile-bottom>a,.mobile-bottom>button{display:flex;position:relative;align-items:center;justify-content:center;flex-direction:column;gap:5px;font-size:9px;color:var(--muted);min-width:55px;min-height:44px;background:none;border:0;border-radius:8px}.mobile-bottom>a.active{color:var(--teal);background:var(--nav-active)}.mobile-bottom i{position:absolute;top:0;right:7px;background:var(--teal);color:var(--surface);border-radius:8px;padding:2px 4px;font-size:8px;font-style:normal}.app-footer{padding-bottom:90px}.toast{left:50%;bottom:85px}.skip-link{left:20px}.page-intro h1{font-size:27px}.subject-checkboxes{grid-template-columns:1fr}.page-intro{margin-bottom:25px}}@media(max-width:640px){.main-content{padding:25px 18px 30px}.topbar{padding:0 12px}.topbar-right .local-badge{display:none}.topbar-left{font-size:10px}.page-intro{align-items:flex-start;gap:10px}.page-intro h1{font-size:22px;letter-spacing:-.85px}.greeting-spark{font-size:24px;margin-left:9px}.page-intro .eyebrow{font-size:7px;letter-spacing:1.2px;margin-bottom:9px}.page-intro>div>p:last-child{font-size:11px;line-height:1.8}.date-label{display:none}.hero{min-height:342px;padding:26px 24px;align-items:flex-start}.hero h2{font-size:30px;letter-spacing:-1.2px;line-height:1.4;margin:19px 0 13px}.hero-kicker{font-size:6.8px;letter-spacing:1px;margin-bottom:0}.hero-copy>p{font-size:11px;max-width:240px;margin-bottom:24px}.hero-copy .button{font-size:11px;padding:12px 15px;gap:11px;position:relative;z-index:3;min-height:44px}.hero-note{font-size:8px;max-width:190px}.orbit-art{right:-75px;top:203px;transform:translateY(-50%) scale(.47);opacity:.66;transform-origin:right center;pointer-events:none}.hero-copy{max-width:none}.desktop-break{display:none}.metric-grid{gap:7px;margin-bottom:29px}.metric-card{padding:14px 8px;flex-direction:column;align-items:flex-start;gap:9px;border-radius:10px;min-height:136px}.metric-icon{width:30px;height:30px;border-radius:9px}.metric-icon svg{width:16px;height:16px}.metric-label{font-size:8px;line-height:1.5;min-height:24px;max-width:90px;margin-bottom:8px}.metric-card strong{font-size:23px}.metric-card>svg{display:none}.home-lower{grid-template-columns:1fr;gap:22px}.section-heading{gap:8px;margin-bottom:18px}.section-heading h2{font-size:17px}.section-heading p{font-size:10px}.section-heading .text-link{font-size:9px;gap:5px}.subject-grid.compact{gap:10px}.subject-card{padding:15px 11px;gap:10px;min-height:87px}.subject-card strong{font-size:10px}.subject-card small{font-size:8px}.subject-card .subject-icon{min-width:33px;height:37px;border-radius:9px}.subject-card .subject-icon svg{width:21px}.daily-card{display:grid;grid-template-columns:1fr 1fr;column-gap:15px;padding:22px}.daily-card h3{font-size:16px;margin:2px 0}.daily-top{grid-column:1}.daily-top>svg{display:none}.daily-progress{grid-column:2;grid-row:1 / span 2;gap:8px}.daily-progress>span{font-size:8px;line-height:1.5}.daily-card h3{grid-column:1;grid-row:2 / span 2}.daily-card .progress-track{grid-column:2;grid-row:3}.daily-card p{grid-column:2;font-size:8px}.daily-card>a{grid-column:1;grid-row:4;font-size:8px;line-height:1.5}.catalog-note{font-size:8px;align-items:flex-start}.how-strip{padding:17px 14px;gap:12px;margin-top:22px}.how-strip strong{font-size:10px;line-height:1.6;display:block}.how-strip p{font-size:9px}.how-strip>.icon-button{display:none}.how-icon svg{width:21px}.app-footer{padding:20px 20px 90px}.app-footer>div{flex-wrap:wrap;justify-content:center;gap:16px}.credit{flex-basis:100%;justify-content:center;font-size:8px}.app-footer a:not(.credit){font-size:10px;min-height:28px;display:flex;align-items:center}.study-card{padding:25px 21px;min-height:370px;border-radius:15px}.study-card>h2{font-size:24px;line-height:1.6}.card-metadata{font-size:9px;gap:7px}.difficulty-tag{font-size:8px}.card-eyebrow{margin-top:34px;font-size:8px}.reveal-area>p{font-size:11px}.reveal-button{width:100%;font-size:12px}.reveal-area>span{text-align:center;font-size:9px}.answer-content h3{font-size:20px}.explanation{font-size:13px}.rating-area{margin-left:-21px;margin-right:-21px;margin-bottom:-25px;padding:22px 17px;border-radius:0 0 15px 15px}.rating-grid{grid-template-columns:1fr 1fr;gap:10px}.rating{padding:13px 8px}.rating strong{font-size:11px}.rating-area h3{font-size:17px}.rating-area>p{font-size:10px;line-height:1.7;max-width:230px;margin:8px auto 0}.study-toolbar{font-size:9px}.view-discover .page-intro,.view-review .page-intro{flex-wrap:wrap}.view-discover .page-intro .text-link,.view-review .page-intro .text-link{font-size:10px}.study-bottom{font-size:9px;align-items:flex-start;line-height:1.7}.empty-state{padding:40px 22px}.empty-state h2{font-size:21px}.empty-state p{font-size:12px}.catalog-total{font-size:9px;flex-wrap:wrap;line-height:1.6}.subject-grid.full{gap:11px}.explore-card{padding:20px 16px;border-radius:13px}.explore-card h2{font-size:15px;line-height:1.5}.explore-card p{font-size:10px}.explore-card .subject-icon{margin-bottom:20px;width:42px;height:42px}.explore-card>div{padding-top:13px;align-items:flex-end}.explore-card>div>span{font-size:8px}.explore-card>div>svg{width:14px}.info-note{padding:17px;font-size:10px;gap:10px}.modal{padding:22px;max-height:85dvh}.modal-heading h2{font-size:20px}.modal-actions{flex-direction:column-reverse}.modal-actions .button{width:100%}.collection-filters{gap:8px}.collection-filters select{font-size:11px;flex:1;min-width:140px}.search-field{flex-basis:100%}.knowledge-row{padding:15px 12px;gap:10px;flex-wrap:wrap}.knowledge-row>.subject-icon{min-width:30px;height:34px}.knowledge-row>.subject-icon svg{width:19px}.knowledge-row>span:nth-child(2){flex-basis:calc(100% - 65px)}.knowledge-row>svg{display:none}.knowledge-row .due-chip{margin-left:40px;font-size:8px}.knowledge-row strong{font-size:11px}.count-pill{font-size:9px;padding:8px 11px}.stats-metrics{grid-template-columns:1fr 1fr;gap:11px}.stat-tile{padding:18px 15px}.stat-tile>span{font-size:10px}.stat-tile strong{font-size:29px}.stat-tile small{font-size:8px}.stats-grid{gap:17px}.panel{padding:22px 20px}.panel h2{font-size:17px}.settings-grid{grid-template-columns:1fr;gap:16px}.span-two{grid-column:auto}.subject-checkboxes{grid-template-columns:1fr 1fr}.subject-checkboxes label{font-size:9px;gap:6px}.subject-checkboxes svg{width:15px}.offline-grid{gap:8px}.offline-row{padding:9px 7px;gap:7px}.offline-row>svg{width:16px}.offline-row small{font-size:7px}.settings-grid .section-heading{align-items:flex-start;flex-direction:column}.settings-grid .section-heading .button{font-size:11px;min-height:40px}.button-stack{flex-direction:column}.toast{font-size:11px;width:max-content;padding:12px 16px;max-width:calc(100% - 25px);line-height:1.5}.notice{font-size:10px;padding:11px 18px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}@media(max-width:800px){.sidebar{visibility:hidden}.sidebar.is-open{visibility:visible}}:root{--muted:#626e74}.nav-section-label{color:#68736e}.hero-copy>p,.hero-note{color:#566b60}.metric-card strong small{color:#68746d}.daily-top .eyebrow,.daily-card p,.daily-progress>span,.daily-card>a{color:#71654d}.daily-progress strong span{color:#786e55}.app-footer{color:#66716b}.hero-note,.catalog-note{font-size:10px}.subject-tag{color:var(--teal)!important}.nav-link{font-size:13px}.page-intro>div>p:last-child{font-size:13px}.subject-card strong{font-size:12px}.subject-card small{font-size:10px}.metric-label,.calm-note strong,.calm-note p{font-size:11px}.app-footer,.credit{font-size:10px}@media(max-width:640px){.page-intro>div>p:last-child{font-size:12px}.hero-note{font-size:10px}.hero-copy>p{font-size:12px}.hero-kicker{font-size:8px}.metric-label{font-size:10px;min-height:31px}.subject-card strong{font-size:11px}.subject-card small,.catalog-note{font-size:10px}.explanation{font-size:15px}.reveal-area>p{font-size:12px}.reveal-area>span{font-size:11px}.card-metadata{font-size:10px}.daily-card p,.daily-card>a,.daily-progress>span{font-size:10px}.study-bottom{font-size:11px}.rating-area>p{font-size:11px}.explore-card p{font-size:12px}.topic-list button{font-size:13px}.subject-checkboxes label{font-size:11px}.offline-row small{font-size:10px}.offline-row strong{font-size:11px}.knowledge-row strong{font-size:13px}.knowledge-row small{font-size:10px}}[data-theme=dark]{--muted:#a0ada7}[data-theme=dark] .nav-section-label,[data-theme=dark] .app-footer,[data-theme=dark] .metric-card strong small{color:#a0ada7}.view-discover~.app-footer,.view-review~.app-footer{display:none}.brand-image{display:block;width:180px;max-width:100%;height:auto;flex-shrink:0}[data-theme=dark] .brand-image{filter:brightness(0) invert(1)}.brand-payoff{margin-left:0}@font-face{font-family:Sora;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/sora-latin-400-normal.CRt88UEn.woff2) format("woff2"),url(/_astro/sora-latin-400-normal.OW7qkl5a.woff) format("woff")}