:root{--ink:#17342c;--green:#265d4a;--mint:#dcece4;--cream:#f7f5ee;--white:#fff;--muted:#687872;--line:#dce4df;--danger:#a63d3d}*{box-sizing:border-box}body{margin:0;background:var(--cream);color:var(--ink);font-family:"DM Sans",sans-serif}.app-header{height:82px;display:flex;align-items:center;justify-content:space-between;max-width:1180px;margin:auto;padding:0 24px}.app-header nav{display:flex;align-items:center;gap:18px}.app-header form,.topbar form{margin:0}.app-brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.app-brand>span{display:grid;place-items:center;width:43px;height:43px;border-radius:13px;background:var(--green);color:#fff;font:800 15px Manrope}.app-brand strong,.app-brand small{display:block}.app-brand strong{font:700 15px Manrope}.app-brand small{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.nav-link{border:0;background:none;color:var(--green);font:700 14px "DM 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div{display:flex;flex-direction:column;gap:3px}.timeline small,.timeline article div span{font-size:12px;color:var(--muted)}.deadlines>a{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);padding:14px;border-radius:13px;margin-bottom:10px;color:inherit;text-decoration:none}.deadlines>a>span{display:grid;place-items:center;width:48px;height:43px;background:var(--mint);border-radius:10px;font-size:11px;text-align:center;color:var(--green);font-weight:700}.deadlines a div{display:flex;flex-direction:column}.deadlines small{color:var(--muted)}.empty-wide{grid-column:1/-1;text-align:center;background:#fff;border:1px dashed #b9cac0;border-radius:18px;padding:45px}.empty-wide h3{font-family:Manrope;margin:0 0 7px}.empty-wide p,.muted{color:var(--muted)}.back-link{display:inline-block;margin:4px 0 22px;text-decoration:none}.subject-header{display:flex;align-items:center;gap:28px;background:color-mix(in srgb,var(--subject) 15%,white);border-radius:25px;padding:42px 50px;margin-bottom:28px}.subject-header>span{display:grid;place-items:center;width:78px;height:78px;border-radius:22px;background:var(--subject);color:#fff;font:800 34px Manrope}.subject-header small{color:var(--muted)}.subject-header h1{font:800 36px Manrope;margin:4px 0}.subject-header p{margin:0;color:var(--muted)}.tabs-content{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}.tabs-content>.content-section{background:#fff;border:1px solid var(--line);border-radius:20px;padding:25px}.content-list article{display:flex;gap:15px;padding:20px 0;border-top:1px solid var(--line)}.content-icon{display:grid;place-items:center;flex:0 0 40px;height:40px;border-radius:11px;background:var(--mint);color:var(--green)}.content-icon.activity{background:#fff1dc;color:#9c651d}.content-body small{color:var(--muted)}.content-body h3{font:700 16px Manrope;margin:5px 0}.content-body p{color:var(--muted);font-size:14px;line-height:1.5}.attachments{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}.attachments a,.points{background:#f0f5f2;color:var(--green);border-radius:8px;padding:7px 10px;font-size:12px;text-decoration:none}.points{display:inline-block;background:#fff1dc;color:#865615}@media(max-width:800px){.app-main{padding:14px 16px 60px}.auth-layout{grid-template-columns:1fr;gap:25px;padding-top:35px}.auth-intro h1{font-size:42px}.form-card{padding:25px}.student-hero{padding:35px 25px}.date-chip{display:none}.summary-grid,.subject-grid{grid-template-columns:1fr}.summary-grid{gap:9px;margin-bottom:40px}.two-columns,.tabs-content{grid-template-columns:1fr;gap:10px}.subject-header{padding:30px 22px}.subject-header>span{width:60px;height:60px}.user-name{display:none}}