:root{--bg:#f3f5fa;--card:#fff;--ink:#172033;--muted:#667085;--line:#e1e6ef;--blue:#2563eb;--purple:#7c3aed;--green:#059669;--red:#dc2626;--yellow:#f59e0b}*{box-sizing:border-box}body{margin:0;padding:12px 12px 82px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--ink)}header{padding:8px 0 10px}h1{font-size:22px;margin:0 0 2px}.sub{color:var(--muted);font-size:13px;line-height:1.25}.toprow{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.admin{font-size:12px;padding:8px 10px;background:#64748b;color:white;border-radius:999px;text-decoration:none;font-weight:800;white-space:nowrap}.progress{height:10px;background:#dbeafe;border-radius:99px;overflow:hidden;margin:10px 0}.bar{height:100%;width:0;background:var(--blue)}.todaybox{background:linear-gradient(135deg,#2563eb,#7c3aed);color:white;border-radius:20px;padding:14px;margin:8px 0 12px;box-shadow:0 8px 18px rgba(37,99,235,.18)}.todaybox h2{margin:0;font-size:18px}.todaybox p{margin:5px 0 0;font-size:13px;opacity:.95}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:10px}.stat{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.25);border-radius:12px;padding:7px;text-align:center}.stat b{display:block;font-size:16px}.stat span{font-size:10px;opacity:.95}.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;position:sticky;top:0;background:var(--bg);z-index:5;padding:8px 0}.tabs button{border:0;border-radius:999px;padding:9px 6px;font-weight:800;background:#fff;color:#334155;border:1px solid var(--line)}.tabs button.active{background:#2563eb;color:#fff;border-color:#2563eb}.controls{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:6px 0 10px}.controls input,.controls select{border:1px solid var(--line);border-radius:12px;padding:10px;font:inherit;background:#fff;font-size:14px}.controls input{grid-column:1/3}.daytitle{font-size:17px;margin:18px 0 8px}.daycount{font-size:12px;color:var(--muted);font-weight:400}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:12px;margin:9px 0;box-shadow:0 4px 12px rgba(15,23,42,.05)}.card.done{background:#f0fdf4}.card.late{border-color:#fecaca}.cardhead{display:flex;justify-content:space-between;gap:8px}.badge{display:inline-block;color:#fff;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:800}.Matematica{background:#2563eb}.Italiano{background:#7c3aed}.Lettura{background:#059669}.duration{font-size:12px;color:var(--muted)}.card h3{font-size:17px;margin:8px 0 10px;line-height:1.2}.quick{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:8px 0}.quick button{padding:10px;border-radius:12px;border:0;font-weight:800;background:#eff6ff;color:#1e40af}.quick button:nth-child(2){background:#f0fdf4;color:#166534}.checkrow{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}.checklbl{display:flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:8px;font-size:13px;font-weight:700}input[type=checkbox]{width:20px;height:20px}textarea{width:100%;min-height:58px;border:1px solid var(--line);border-radius:12px;padding:9px;margin-top:8px;font:inherit;font-size:14px}.footer{position:fixed;bottom:0;left:0;right:0;background:white;border-top:1px solid var(--line);padding:8px;display:grid;grid-template-columns:repeat(4,1fr);gap:6px;z-index:10}.footer button,.footer .filelabel{border:0;border-radius:12px;padding:9px 4px;background:#2563eb;color:#fff;font-weight:800;font-size:12px;text-align:center}.footer .secondary{background:#64748b}.footer .danger{background:#dc2626}.footer input{display:none}.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:20;display:none;align-items:flex-end}.modal.open{display:flex}.modalbox{background:white;border-radius:22px 22px 0 0;padding:16px;max-height:84vh;overflow:auto;width:100%;box-shadow:0 -10px 30px rgba(0,0,0,.2)}.modalbox h2{margin:0 0 8px;font-size:20px}.modalbox h3{font-size:15px;margin:14px 0 4px}.formula{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:10px;font-family:ui-monospace,Menlo,monospace;white-space:pre-wrap;font-size:13px}.lessonitem{border:1px solid var(--line);border-radius:14px;padding:11px;margin:8px 0;background:#f8fafc}.lessonitem button{width:100%;text-align:left;background:#eff6ff;color:#1e40af;border:0;border-radius:12px;padding:10px;font-weight:800}.exerciseList li{margin:7px 0}.closebtn{width:100%;margin-top:12px;background:#111827;color:#fff;border:0;border-radius:12px;padding:12px;font-weight:800}.panel{background:white;border:1px solid var(--line);border-radius:18px;padding:14px;margin:12px 0}.row{display:flex;gap:8px;flex-wrap:wrap}.row button,.row .filelabel,.linkbtn{border:0;border-radius:12px;padding:10px;background:#2563eb;color:white;font-weight:800;text-decoration:none}.success{background:#059669!important}.secondary{background:#64748b!important}.danger{background:#dc2626!important}.hint{font-size:13px;color:var(--muted)}@media(min-width:760px){body{max-width:760px;margin:auto}.footer{left:50%;transform:translateX(-50%);max-width:760px}.modal{align-items:center;justify-content:center}.modalbox{max-width:650px;border-radius:22px}}@media print{.footer,.tabs,.controls,.admin,button{display:none}body{background:white;padding:0}.card{box-shadow:none;break-inside:avoid}}