@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#20352f;--muted:#7c8782;--green:#246d53;--line:#e5e9e3;--paper:#f7f8f4}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px 'DM Sans',sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}a{color:inherit;text-decoration:none}button{cursor:pointer}aside{position:fixed;inset:0 auto 0 0;width:242px;background:#fff;border-right:1px solid var(--line);padding:35px 24px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:10px;font:800 23px Manrope,sans-serif;letter-spacing:-1px}.logo{background:var(--green);color:#fff;border-radius:12px;padding:2px 12px 8px;font-size:29px}.dot{color:#bad674;font-size:12px;margin-left:auto}.class-label{font-size:10px;letter-spacing:1.7px;color:#98a29c;margin:48px 10px 19px}nav{display:grid;gap:8px}nav a{display:flex;gap:15px;align-items:center;padding:14px;border-radius:8px;font-size:18px;color:#7b8880}nav span{font-size:14px}nav a.active{background:#edf4ed;color:var(--green);font-weight:700}.side-bottom{margin-top:auto;background:#f6f7f2;padding:20px 17px;border-radius:12px}.small-icon{font-size:25px;margin-bottom:14px}.side-bottom strong{font-size:13px}.side-bottom p{font-size:12px;line-height:1.7;color:var(--muted)}.chip{display:inline-block;padding:6px 9px;border:1px solid #dfe6d8;border-radius:6px;font-size:11px}.workspace{margin-left:242px}header{height:88px;background:#fff;border-bottom:1px solid var(--line);padding:0 44px;display:flex;align-items:center;gap:22px}.search{display:flex;align-items:center;gap:12px;color:#9aa69d;font-size:25px}.search input{border:0;width:290px;font-size:13px;background:transparent}.header-note{margin-left:auto;font-size:11px;color:#919a94}.avatar{background:#edf0e8;border-radius:50%;padding:10px 14px;font-weight:700}main{max-width:1440px;margin:auto;padding:26px 44px}.demo{color:#76816f;font-size:11px;border-bottom:1px solid var(--line);padding-bottom:15px}.heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:35px 0 29px}.eyebrow{color:var(--green);letter-spacing:2px;font-size:10px;font-weight:700}h1{font:800 33px Manrope,sans-serif;letter-spacing:-1.3px;margin:10px 0}p{color:var(--muted);line-height:1.6}.heading p{margin:0;font-size:13px}.semester-label{display:grid;gap:7px;color:var(--muted);font-size:10px}select{padding:12px;background:white;border:1px solid var(--line);border-radius:8px;color:var(--ink)}.hero{background:#e9efdf;position:relative;overflow:hidden;border-radius:14px;padding:28px 32px;display:flex;justify-content:space-between;gap:30px;margin-bottom:30px}.hero h2{font:700 24px Manrope;margin:10px 0;letter-spacing:-.6px}.hero p{font-size:13px;max-width:440px;color:#65735a;margin-bottom:20px}.hero .eyebrow{font-size:10px}.hero-art{font:800 110px Manrope;letter-spacing:-12px;color:#bfceb0;align-self:center;transform:rotate(-8deg);padding-right:30px}.primary{background:var(--green);color:#fff;border:0;border-radius:7px;padding:11px 16px;font-weight:600;font-size:12px}.secondary{background:#fff;border:1px solid var(--line);border-radius:7px;padding:9px 13px;color:var(--ink);font-size:12px}.section-head{display:flex;justify-content:space-between;align-items:center;margin:24px 0 16px}.section-head h2{font:700 18px Manrope;margin:0;letter-spacing:-.5px}.link{border:0;background:none;color:var(--green);font-size:12px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.subject{display:block;text-align:left;width:100%;background:#fff;border:1px solid var(--line);border-radius:11px;padding:21px;transition:transform .15s,box-shadow .15s}.subject:hover{transform:translateY(-3px);box-shadow:0 7px 20px #20352f0c}.subject-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:23px}.icon{width:41px;height:41px;border-radius:11px;display:grid;place-items:center;font:700 18px Manrope;background:var(--tint);color:var(--color)}.arrow{color:#a1aaa2;font-size:19px}.subject h3{font:700 14px Manrope;min-height:38px;margin:0 0 15px;line-height:1.5}.subject-bottom{border-top:1px solid #f0f2ec;padding-top:14px;display:flex;gap:14px;font-size:10px;color:var(--muted)}.columns{display:grid;grid-template-columns:1.2fr 1fr;gap:25px}.panel{background:white;border:1px solid var(--line);border-radius:11px;padding:8px 20px}.empty{padding:29px 12px;text-align:center;color:var(--muted);line-height:1.7;font-size:13px}.empty strong{display:block;color:var(--ink);font-size:14px;margin-bottom:4px}.row{display:flex;gap:14px;align-items:center;padding:17px 0;border-bottom:1px solid #edf0e9}.row:last-child{border:0}.row-main{flex:1;min-width:0}.row strong{display:block;font-size:12px;overflow-wrap:anywhere}.row small{display:block;color:var(--muted);margin-top:6px;font-size:11px}.badge{background:#f1f4ed;padding:5px 8px;border-radius:5px;font-size:10px;color:#6c7c60}.date-box{background:#f1f4ed;border-radius:8px;min-width:46px;padding:8px;text-align:center;font-weight:700}.date-box small{margin:2px 0;font-size:9px}.tabs{display:flex;gap:7px;border-bottom:1px solid var(--line);margin:25px 0 20px;overflow:auto}.tabs button{border:0;background:none;padding:13px 17px;color:var(--muted);white-space:nowrap}.tabs button.selected{border-bottom:2px solid var(--green);color:var(--green);font-weight:700}.back{color:var(--green);font-size:12px;background:none;border:0;padding:0}.calendar-tools{display:flex;justify-content:space-between;align-items:center}.calendar{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border-left:1px solid var(--line);border-top:1px solid var(--line);background:white;border-radius:10px;overflow:hidden;margin-top:20px}.day{min-height:96px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px;font-size:12px}.day-name{min-height:35px;color:var(--muted);text-align:center;background:#f0f3eb}.day.today{background:#edf5e7}.day.blank{background:#f9faf6}.cal-event{display:block;background:#e4eddb;color:#325d3c;padding:5px;border-radius:4px;margin-top:5px;font-size:10px;overflow-wrap:anywhere}.discussion-text{white-space:pre-wrap;font-size:13px;margin:8px 0}.post{padding:20px 4px;border-bottom:1px solid var(--line)}.post:last-child{border:0}.post small{font-size:11px;color:var(--muted)}footer{display:flex;justify-content:space-between;color:#9aa398;border-top:1px solid var(--line);margin-top:38px;padding:20px 0;font-size:11px}dialog{border:1px solid var(--line);border-radius:15px;width:min(480px,92vw);padding:26px;color:var(--ink);box-shadow:0 20px 100px #142d3430}dialog::backdrop{background:#183a3040;backdrop-filter:blur(3px)}.modal-head{display:flex;justify-content:space-between;align-items:center}.modal-head h2{font:700 21px Manrope}.modal-head button{border:0;background:none;font-size:25px}form label{display:grid;gap:7px;margin:16px 0;font-size:12px}form input,form textarea,form select{width:100%;border:1px solid #d8e0d6;padding:11px;border-radius:7px}textarea{min-height:100px;resize:vertical}#form-error{color:#a64631;font-size:12px}#toast{position:fixed;bottom:24px;right:24px;background:var(--ink);color:#fff;padding:14px 20px;border-radius:8px;display:none;z-index:10}.quiz-options{display:grid;gap:10px;margin:20px 0}.quiz-options button{text-align:left}.quiz-options button.correct{background:#e1f0dd;border-color:#659e5b}.quiz-options button.wrong{background:#fbe4df;border-color:#c3806e}.quiz-options button:disabled{cursor:default;color:var(--ink)}@media(min-width:1450px){main{padding-top:35px}.subject{padding:25px}.hero{padding:35px}}@media(max-width:1100px){aside{width:200px;padding:30px 17px}.workspace{margin-left:200px}header,main{padding-left:26px;padding-right:26px}.header-note{display:none}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-art{font-size:85px;padding:0}.columns{grid-template-columns:1fr}}@media(max-width:700px){aside{position:static;width:auto;padding:17px 20px;border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:20px}.logo{font-size:23px}.class-label,.side-bottom{display:none}nav{display:flex;margin-top:18px;gap:3px;justify-content:space-between}nav a{padding:9px 8px;gap:6px}nav span{font-size:11px}.workspace{margin:0}header{height:60px;padding:0 20px}.search{flex:1}.search input{width:100%;font-size:12px}main{padding:18px 20px}.demo span{display:block;margin-top:4px;line-height:1.6}.heading{display:block;margin:26px 0}h1{font-size:28px}.semester-label{margin-top:22px}.semester-label select{width:100%}.hero{padding:23px}.hero-art{display:none}.hero h2{font-size:22px}.grid{gap:11px}.subject{padding:15px}.subject h3{font-size:12px;min-height:54px}.subject-bottom{gap:6px;font-size:9px;flex-wrap:wrap}.calendar{overflow:visible}.day{padding:5px;min-height:75px;font-size:10px}.day-name{min-height:30px}.cal-event{font-size:8px;padding:3px}footer span{font-size:9px}.tabs button{padding:12px 10px}.calendar-tools h2{font-size:17px}}

.upload-info{display:flex;align-items:center;gap:25px;background:#eaf1e4;border:1px solid #dce7d3;border-radius:12px;padding:22px 25px;margin:20px 0}.upload-info strong{font:700 14px Manrope,sans-serif}.upload-info p{font-size:12px;margin:8px 0;color:#526449}.upload-info small{font-size:10px;line-height:1.6;color:#6d7c65;display:block}.upload-info>a{white-space:nowrap;display:inline-block}.upload-nav{border-top:1px solid var(--line);margin-top:12px}dialog .upload-info{display:block;padding:18px}dialog .upload-info>a{margin-top:16px}@media(max-width:700px){.upload-info{display:block;padding:18px}.upload-info>a{margin-top:15px}nav{flex-wrap:wrap}nav .upload-nav{margin:0;border:0}}

.library-info{display:flex;align-items:center;gap:24px;padding:18px 22px;border:1px solid var(--line);border-radius:10px;background:#fff;margin:20px 0}.library-info>div{flex:1}.library-info strong{font-size:13px}.library-info p{font-size:11px;margin:7px 0 0}.library-info a{white-space:nowrap}@media(max-width:700px){.library-info{display:block}.library-info a{display:inline-block;margin-top:12px}}