[hidden]{display:none!important}body{padding-bottom:env(safe-area-inset-bottom)}.header-tools{display:flex;gap:10px;align-items:center}.install-trigger,.account-trigger{border:1px solid var(--line);border-radius:8px;padding:8px 13px;background:var(--paper);color:var(--ink);font-size:12px}.install-trigger{background:var(--accent);color:#153d36;border-color:transparent}.account-trigger{max-width:135px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.auth-body{min-height:100dvh}.auth-layout{display:grid;grid-template-columns:1.05fr 1fr;max-width:1150px;margin:auto;padding:65px 25px 45px;gap:90px;align-items:center}.auth-intro h1{font-size:49px;line-height:1.5}.auth-intro>p{color:var(--muted);font-size:16px}.auth-benefits{display:grid;gap:13px;margin-top:35px;color:var(--green);font-size:14px}.auth-stats{display:flex;gap:35px;margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.auth-stats b{display:block;font-size:24px;color:var(--ink);font-weight:500}.auth-card{padding:32px;background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:0 15px 45px #153d3606}.auth-card h2{font-size:25px;font-weight:500;line-height:1.7;color:var(--ink);margin-top:9px}.auth-tabs{display:flex;border-radius:9px;padding:4px;background:var(--soft);margin:25px 0 20px}.auth-tabs button{flex:1;border:0;background:transparent;color:var(--muted);font-size:13px;border-radius:6px;padding:10px 5px}.auth-tabs button[aria-selected=true]{background:var(--paper);color:var(--ink);box-shadow:0 2px 5px #153d3608}form label,.saved-check{display:block;font-size:13px;font-weight:500;color:var(--ink);margin-top:15px;margin-bottom:6px}form input{display:block;width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 13px;background:var(--bg);color:var(--text);font-size:16px;min-height:47px}form input::placeholder{color:#8b968a;font-size:12px}form input:focus{border-color:#85a657;outline:2px solid #91ae6125}.password-wrap{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;background:var(--bg)}.password-wrap input{border:0;background:transparent;width:calc(100% - 65px)}.password-wrap button{background:transparent;border:0;color:var(--green);font-size:11px;padding:10px 12px}.field-hint,.subtle{font-size:11px;color:var(--muted);line-height:1.9;margin-top:8px}.field-hint{display:block}.form-message{font-size:12px;color:#a23e31;min-height:22px;margin:14px 0 8px}.form-primary{display:block;width:100%;text-align:center;border:0;background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:8px;font:inherit;font-size:14px;cursor:pointer;min-height:48px}.form-primary:disabled{opacity:.5;cursor:default}.text-button{display:block;margin:13px auto 0;background:transparent;border:0;font-size:12px;color:var(--green);padding:7px 12px;min-height:40px}.auth-privacy{border-top:1px solid var(--line);padding-top:15px;margin-top:17px;font-size:10px}.auth-footer{font-size:11px;color:var(--muted);text-align:center;padding:10px 20px 30px}.app-dialog{border:1px solid var(--line);background:var(--paper);color:var(--text);width:min(440px,calc(100% - 30px));padding:28px;border-radius:18px;max-height:90dvh;overflow:auto;font-family:inherit}.app-dialog::backdrop{background:#0d281a88;backdrop-filter:blur(4px)}.app-dialog h2{font-size:24px;font-weight:500;color:var(--ink)}.app-dialog h3{font-size:15px;font-weight:500;color:var(--ink)}.app-dialog>p{font-size:13px;margin-top:14px}.app-dialog .subtle{font-size:11px}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:15px}.close-dialog{width:35px;height:35px;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:50%;font-size:24px;line-height:1}.install-icon{width:75px;height:75px;border-radius:17px;display:block;margin:12px 0 20px}.install-steps{border-top:1px solid var(--line);padding-top:16px;margin-top:20px}.install-steps ol{font-size:13px;line-height:2.2;padding-right:22px}.app-dialog #installNow{margin-top:20px}.recovery-code{background:var(--soft);padding:15px 10px;font-size:17px;letter-spacing:1px;border-radius:8px;display:block;margin:20px 0;overflow-wrap:anywhere;text-align:center;user-select:all}.saved-check{display:flex;align-items:center;gap:10px;font-size:12px;margin:22px 0;cursor:pointer}.saved-check input{accent-color:#235646;width:20px;height:20px}.account-username{font-family:monospace;text-align:right;color:var(--muted);font-size:14px!important;margin-top:3px!important}.account-stat{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px 0;margin:18px 0 24px;font-size:13px;display:flex;justify-content:space-between}.account-stat b{direction:ltr;font-size:12px}.logout-button{width:100%;margin-top:20px;padding:11px;border:1px solid #b9695c55;background:transparent;border-radius:8px;color:#b2594a;font-size:13px}.app-toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--bg);border-radius:8px;padding:12px 22px;max-width:90%;z-index:80;font-size:12px}.offline-card{max-width:500px;margin:12vh auto;padding:25px}.offline-card h1{font-size:38px}.offline-card p{font-size:14px;line-height:2;margin:20px 0 30px}.offline-card .form-primary{max-width:260px}#syncStatus{font-size:10px}.auth-card form{margin:0}#passwordForm h3{margin-bottom:10px}#passwordForm .form-primary{font-size:12px}.header-tools .account-trigger{min-height:39px}.reading-page .complete{min-height:42px}.chapter-nav a{min-height:44px}@media(max-width:1100px){.auth-layout{gap:40px;padding-top:40px}.auth-intro h1{font-size:41px}.top-nav{gap:18px}.header-tools{gap:7px}.install-trigger,.account-trigger{padding:8px;font-size:11px}}@media(max-width:800px){.top-nav{display:none}.auth-layout{grid-template-columns:1fr;max-width:540px;gap:30px;padding:30px 18px}.auth-intro h1{font-size:35px;margin-top:12px;margin-bottom:14px}.auth-intro>p{font-size:14px}.auth-benefits{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:11px;margin-top:18px}.auth-stats{display:none}.auth-card{padding:25px 22px}.auth-card h2{font-size:23px}.auth-footer{font-size:10px;padding-bottom:25px}.header-tools{gap:6px}.header-tools .account-trigger{max-width:90px;font-size:10px;padding:7px}.header-tools .install-trigger{font-size:10px;padding:7px}.app-dialog{padding:23px}.recovery-code{font-size:15px}.auth-tabs button{min-height:44px}}@media(max-width:380px){.brand b{font-size:12px}.brand small{font-size:7px}.brand{gap:7px}.brand-mark{width:30px;height:30px;font-size:18px}header{padding-left:12px;padding-right:12px}.header-tools .install-trigger{max-width:75px;line-height:1.4}.header-tools .account-trigger{max-width:65px}}@media(display-mode:standalone){header{padding-top:env(safe-area-inset-top);height:calc(73px + env(safe-area-inset-top))}.back-top{bottom:calc(15px + env(safe-area-inset-bottom))}.auth-footer{padding-bottom:calc(25px + env(safe-area-inset-bottom))}}
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#315d48;border-radius:7px;display:grid;place-content:center;color:#d9f086;font-size:23px;direction:ltr}.subject-screen:after{content:'';position:absolute;width:65px;height:7px;background:#315d48;bottom:-17px;left:25px;border-radius:4px}.subject-screen:before{content:'';position:absolute;width:15px;height:16px;background:#315d48;bottom:-13px;left:51px}.subject-code{position:absolute;right:16px;top:13px;font-size:10px;color:#49613e;letter-spacing:1px}.subject-content{padding:24px}.subject-eyebrow{font-size:10px;color:var(--muted)}.subject-content h3{font-size:27px;color:var(--ink);font-weight:500;margin-top:3px}.subject-content>p{font-size:12px;color:var(--muted);line-height:1.9;margin-top:8px;min-height:45px}.subject-meta{display:flex;gap:10px;font-size:10px;color:var(--green);margin-top:17px}.subject-meta span{background:var(--soft);padding:4px 9px;border-radius:5px}.subject-progress{margin-top:22px;padding-top:15px;border-top:1px solid var(--line)}.subject-progress>span{font-size:10px;color:var(--muted)}.subject-progress progress{margin:8px 0 14px}.subject-action{display:flex;justify-content:space-between;color:var(--green);font-size:13px;margin-top:15px}.subject-action>b{font-size:20px}.library-note{display:flex;align-items:center;gap:12px;margin-top:24px;padding:15px 18px;border:1px dashed var(--line);border-radius:9px;color:var(--muted);font-size:12px}.library-note>span{font-size:25px;color:var(--green)}.course-breadcrumb{display:flex;align-items:center;gap:12px;max-width:1210px;margin:22px auto 0;font-size:12px;color:var(--muted)}.course-breadcrumb a{color:var(--green)}.course-breadcrumb b{font-size:10px;font-weight:400;margin-right:6px}body.dark .library-illustration{background:radial-gradient(ellipse,#37492c,transparent 67%)}body.dark .subject-cover{background:#30422a}body.dark .subject-code{color:#c9d8bc}@media(max-width:1300px){.library-hero,.subjects-section,.course-breadcrumb{margin-left:5%;margin-right:5%}}@media(max-width:900px){.subjects-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.library-hero h1{font-size:49px}.library-hero{gap:20px}.library-illustration{transform:scale(.88)}}@media(max-width:600px){.library-hero{grid-template-columns:1fr;padding:30px 0 30px;gap:8px}.library-hero h1{font-size:42px;line-height:1.35;margin:13px 0 18px}.library-description{font-size:14px}.library-illustration{min-height:235px;transform:scale(.75);margin:-15px 0 -10px}.library-welcome{font-size:12px}.library-start{margin-top:20px}.subjects-grid{grid-template-columns:1fr}.subject-card{max-width:440px}.subject-cover{height:150px}.subject-content{padding:22px}.subject-content>p{min-height:0}.subject-count{font-size:10px}.library-note{font-size:11px}.course-breadcrumb{font-size:11px;margin-top:18px}.library-star{left:18px}.library-float{left:-8px;bottom:-13px}.subjects-section{margin-top:10px;margin-bottom:35px}}
