@import"https://fonts.googleapis.com/css2?family=Ma+Shan+Zheng&family=Noto+Sans+SC:wght@400;500;600;700;800;900&display=swap";:root{--ink:#17353a;--sea:#0b6775;--sea2:#064b57;--sun:#ffcc4a;--coral:#ee6b4d;--paper:#f7f1df;--white:#fffdf7}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:Noto Sans SC,sans-serif;background:var(--paper);background-image:radial-gradient(#0b67750b 1px,transparent 1px);background-size:18px 18px}button,input{font:inherit}.login-page{min-height:100vh;display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:8vw;padding:8vh 10vw;position:relative;overflow:hidden;background:linear-gradient(125deg,#f9f1d8 55%,#0b6775 55%)}.login-page:before{content:"✦";position:absolute;font-size:24rem;color:#ffffff0c;right:-2rem;bottom:-8rem;transform:rotate(18deg)}.sun{position:absolute;width:240px;height:240px;border-radius:50%;background:var(--sun);left:-80px;top:-80px;box-shadow:0 0 0 24px #ffcc4a20}.eyebrow{font-weight:800;letter-spacing:.18em;color:var(--coral);font-size:.78rem}.login-copy h1{font-size:clamp(4rem,7vw,7rem);line-height:.88;margin:24px 0 30px;letter-spacing:-.06em}.login-copy h1 em{font-family:Ma Shan Zheng;font-style:normal;color:var(--sea);font-weight:400}.login-copy p{line-height:2;font-size:1.05rem}.route{display:flex;align-items:center;width:80%;margin-top:45px;color:var(--sea);font-weight:800}.route span{height:3px;background:repeating-linear-gradient(90deg,var(--sea) 0 8px,transparent 8px 14px);flex:1}.route b{border:2px solid var(--sea);border-radius:50%;padding:10px}.login-card{position:relative;background:var(--white);padding:48px;border-radius:6px;box-shadow:16px 18px #064b57,0 24px 70px #002d3240;max-width:450px;transform:rotate(-1deg)}.login-card:after{content:"";position:absolute;inset:10px;border:1px dashed #dbcda9;pointer-events:none}.tape{position:absolute;top:-17px;left:50%;transform:translate(-50%) rotate(2deg);background:#ffd96fcf;padding:7px 35px;font-family:Ma Shan Zheng;font-size:1.2rem}.login-card h2{font-size:2rem;margin:8px 0}.login-card>p{color:#718085}.role-switch{display:grid;grid-template-columns:1fr 1fr;background:#eef0e8;padding:5px;border-radius:12px;margin:28px 0}.role-switch button{border:0;padding:12px;background:transparent;border-radius:9px;font-weight:700;color:#68797b}.role-switch button.active{background:#fff;color:var(--sea);box-shadow:0 3px 10px #17353a18}.login-card label{font-size:.84rem;font-weight:700;display:block}.login-card input{width:100%;border:2px solid #e2dccb;border-radius:10px;padding:14px;margin-top:8px;outline:none}.login-card input:focus{border-color:var(--sea)}.primary{position:relative;z-index:2;width:100%;border:0;color:#fff;background:var(--coral);padding:15px;border-radius:10px;margin-top:20px;font-weight:800;box-shadow:0 5px #b9442b;cursor:pointer}.login-card 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#e4dcc7;padding:22px;display:grid;grid-template-columns:58px 1fr auto;gap:20px;align-items:center;animation:rise .4s both;position:relative}.task-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--sun)}.task-card.completed{opacity:.72}.task-card.completed:before{background:#58a67e}.task-card.returned:before{background:var(--coral)}.task-icon{width:50px;height:50px;border-radius:50%;background:#eef6f3;display:grid;place-items:center;color:var(--sea);font-size:1.2rem;font-weight:900}.tag{display:inline-block;font-size:.7rem;font-weight:800;background:#f0ead7;padding:3px 8px;border-radius:3px}.task-main h3{margin:7px 0 4px}.task-main p{margin:0;color:#69787b;font-size:.88rem;line-height:1.7}.task-action{text-align:center;min-width:112px}.check{border:2px solid var(--sea);background:#fff;color:var(--sea);padding:9px 13px;border-radius:8px;font-weight:800;cursor:pointer}.check:hover{background:var(--sea);color:#fff}.done-mark{margin:auto;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#58a67e;color:#fff}.task-action small{display:block;margin-top:4px}.return{display:block;border:0;background:none;color:var(--coral);font-size:.72rem;margin:8px auto 0;text-decoration:underline}.return-note{color:#b34c36;background:#fff0e9;padding:6px 9px;margin-top:8px;font-size:.8rem}.toast{position:fixed;top:90px;left:50%;transform:translate(-50%);z-index:20;background:#17353a;color:#fff;padding:12px 22px;border-radius:30px;box-shadow:0 8px 24px #0003}.subpage h1{font-size:3rem;margin:10px 0}.subpage>p{color:#68787a}.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin-top:40px}.calendar button{background:var(--white);border:1px solid #ded5bd;padding:16px 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22px;background:var(--paper)}.login-copy h1{font-size:4rem}.login-copy p,.route{display:none}.login-card{margin-top:50px;padding:38px 25px;transform:none;box-shadow:8px 9px 0 var(--sea)}.app-shell header{height:64px;padding:0 14px}.app-shell nav{position:fixed;bottom:0;left:0;right:0;height:60px;background:#fff;z-index:20;justify-content:space-around;gap:0;box-shadow:0 -3px 15px #0001}.app-shell nav button{flex:1}.brand span,.profile div,.profile button{display:none}.hero{padding:30px 25px;display:block}.hero h1{font-size:2rem}.compass{position:absolute;right:18px;top:25px;min-width:0}.compass>div{width:90px;height:90px}.compass strong{font-size:1.25rem}.hero p{max-width:60%}.stats{grid-template-columns:1fr 1fr}.stats article:last-child{grid-column:1/-1}.task-card{grid-template-columns:44px 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audio{width:100%;height:36px}.answer-box{margin-top:10px}.answer-box>button{border:0;background:none;padding:4px 0;color:#bd4e37;font-weight:800;cursor:pointer}.answer-box textarea{display:block;width:100%;min-height:100px;margin-top:8px;border:1px solid #d9cdb2;border-radius:8px;padding:12px;resize:vertical;background:#fffef9}.subject-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:35px}.subject-grid button{border:1px solid #ded5bd;background:var(--white);padding:22px;text-align:left;display:grid;grid-template-columns:1fr auto;gap:10px;cursor:pointer;color:var(--ink);transition:.2s}.subject-grid button:hover,.subject-grid button.active{transform:translateY(-3px);border-color:var(--sea);box-shadow:5px 6px #0b677520}.subject-grid b{font-size:1.25rem}.subject-grid strong{font-size:1.4rem;color:var(--sea)}.subject-grid strong small{font-size:.8rem;color:#84908d}.subject-grid i{grid-column:1/-1;height:7px;background:#e8e0cc;border-radius:5px;overflow:hidden}.subject-grid i span{display:block;height:100%;background:var(--coral)}.subject-grid em{grid-column:1/-1;font-style:normal;color:#778584;font-size:.75rem}.pick-tip{text-align:center;padding:55px;color:#89938e}.plain{border:1px solid #cfc4aa;background:transparent;padding:8px 12px;border-radius:7px;color:var(--sea)}.subject-tasks{margin-top:44px}.subject-tasks .task-card{grid-template-columns:58px 1fr auto}@media(max-width:760px){.audio-row{grid-template-columns:1fr}.subject-grid{grid-template-columns:repeat(2,1fr)}.resource-box>a{width:100%}.app-shell nav{overflow-x:auto}.app-shell nav button{font-size:.76rem;min-width:70px}.subject-tasks .task-card{grid-template-columns:44px 1fr}.subject-tasks .task-action{grid-column:2}}