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var(--border);padding:20px;border-radius:var(--r-sm);margin-top:24px;color:var(--text)}.homework h3{font-family:var(--font-heading);color:var(--gold);margin-top:0;margin-bottom:10px;font-size:16px}.homework p{color:var(--text-muted);line-height:1.7;margin:0}.homework.locked{background:var(--bg-card);border:1px dashed var(--gold-border);color:var(--gold-dim);text-align:center;font-size:14px;padding:20px}.video{position:relative;padding-top:56.25%;margin:16px 0;border-radius:var(--r-sm);overflow:hidden;background:#0000004d}.video iframe,.video video{position:absolute;top:0;left:0;width:100%;height:100%;border:0}.manual-block{background:var(--bg-card);border:1px solid var(--border);padding:24px;border-radius:var(--r-md);margin-bottom:20px}.manual-block h2{font-family:var(--font-heading);font-size:clamp(1.1rem,2.5vw,1.4rem);font-weight:600;margin-top:0;margin-bottom:8px;color:var(--text)}.manual-block p{color:var(--text-muted);font-size:14px;margin-bottom:12px}.auth{max-width:440px;margin:40px auto 0}.auth-card{background:var(--bg-raised);color:var(--text);padding:36px;border-radius:var(--r-lg);border:1px solid var(--border);box-shadow:0 16px 48px #0000004d}.auth__header{display:grid;gap:8px;margin-bottom:24px}.auth__header h1{font-family:var(--font-heading);font-size:1.5rem;font-weight:700}.auth__pill{display:inline-flex;width:fit-content;padding:5px 12px;border-radius:var(--r-pill);font-size:11px;font-weight:600;letter-spacing:.4px;color:var(--gold-light);background:var(--gold-glow);border:1px solid var(--gold-border)}.auth__subtitle{color:var(--text-muted);font-size:13px}.auth__form{display:grid;gap:14px}.auth__form label{font-size:12px;font-weight:500;color:var(--text);display:grid;gap:6px}.auth__form input{width:100%;padding:12px 14px;border-radius:var(--r-sm);border:1px solid var(--border);background:var(--bg-input);color:var(--text);font-size:14px;font-family:var(--font-body);transition:border-color .2s,box-shadow .2s}.auth__form input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px #c9a84c1f}.auth__divider{margin:18px 0;text-align:center;color:var(--text-subtle);font-size:12px;position:relative}.auth__divider:before,.auth__divider:after{content:"";position:absolute;top:50%;width:40%;height:1px;background:var(--border)}.auth__divider:before{left:0}.auth__divider:after{right:0}.auth__social{display:grid;gap:10px}.auth button{padding:12px 14px;border-radius:var(--r-sm);border:none;background:var(--gold);color:#0a0e12;font-weight:700;font-family:var(--font-body);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:14px;transition:transform .2s,box-shadow .2s}.auth button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 16px #c9a84c40}.auth button:disabled{opacity:.6;cursor:not-allowed}.auth__social button{background:var(--bg-card);color:var(--text);border:1px solid var(--border)}.auth__social button:hover:not(:disabled){border-color:var(--border-hover);background:var(--bg-card-hover)}.auth__social button img{width:18px;height:18px}.apple-mark{font-size:18px;line-height:1}.error{color:#ff6b7a;font-size:13px}.toast{background:var(--gold-glow);border:1px solid var(--gold-border);color:var(--gold-light);padding:10px 14px;border-radius:var(--r-sm);font-size:13px;margin-bottom:16px}.spinner{width:14px;height:14px;border-radius:50%;border:2px solid rgba(8,12,16,.3);border-top-color:#0a0e12;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.page h1{font-family:var(--font-heading);font-size:clamp(1.4rem,3vw,1.8rem);font-weight:700;margin-bottom:20px;line-height:1.3;letter-spacing:-.01em}.page h2{font-family:var(--font-heading);font-size:clamp(1rem,2vw,1.3rem);font-weight:600;margin-top:28px;margin-bottom:12px}.page p{line-height:1.7;font-size:14px;margin-bottom:12px;color:var(--text-muted)}.page section{margin-bottom:8px}.page a{color:var(--gold);text-decoration:none;font-weight:600}.page a:hover{text-decoration:underline;color:var(--gold-light)}@media(max-width:768px){.page{padding:24px 16px 48px}.section__head-row{flex-direction:column;align-items:flex-start;gap:8px}.edu-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.edu-card{padding:16px}.auth{margin:24px auto 0}.auth-card{padding:24px;border-radius:var(--r-md)}.manual-block{padding:18px}}@media(max-width:480px){.page{padding:20px 14px 40px}.nav{padding:10px 16px}.edu-grid{grid-template-columns:1fr;gap:10px}.section__head h1,.section__head h2{font-size:1.3rem}.section__head p{font-size:13px}.auth-card{padding:20px;border-radius:var(--r-sm)}.auth__form input{padding:10px 12px}.auth button{padding:11px 12px}.entry-item,.homework{padding:14px}.manual-block{padding:14px;border-radius:var(--r-sm)}}