:root{--ws-blue:#4f6cff;--ws-purple:#8b5cf6;--ws-yellow:#ffd166;--ws-green:#39d98a;--ws-ink:#10214a;--ws-soft:#eef7ff;--ws-card:#ffffff;--ws-shadow:0 24px 70px rgba(71,98,160,.20)}
.worksheet-body-v60{margin:0;min-height:100vh;background:radial-gradient(circle at 15% 15%,#fff2b8 0 12%,transparent 26%),radial-gradient(circle at 85% 12%,#c7f9ff 0 12%,transparent 25%),linear-gradient(135deg,#eff7ff,#fff7fb 48%,#f3f0ff);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ws-ink);overflow-x:hidden}.worksheet-body-v60:before{content:"× 7 8 9 + ✨";position:fixed;inset:auto auto 20px -30px;font-size:88px;font-weight:900;color:rgba(79,108,255,.07);transform:rotate(-12deg);pointer-events:none}.worksheet-topbar{width:min(1180px,calc(100% - 26px));margin:14px auto 0;display:flex;align-items:center;justify-content:space-between;gap:14px;background:rgba(255,255,255,.74);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.7);box-shadow:0 14px 44px rgba(77,92,160,.12);border-radius:24px;padding:12px 16px}.worksheet-topbar .brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ws-ink);font-weight:950;font-size:22px}.brand-icon{width:42px;height:42px;border-radius:15px;display:grid;place-items:center;background:linear-gradient(135deg,#ffd166,#ff8fab);color:#fff;box-shadow:0 12px 25px rgba(255,139,171,.25)}.worksheet-topbar nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.worksheet-topbar a,.worksheet-topbar button{border:0;text-decoration:none;background:#eef3ff;color:#172554;border-radius:14px;padding:10px 12px;font-weight:850;cursor:pointer}.worksheet-topbar .print-btn{background:#fff4c8}.worksheet-wrap,.worksheet-lesson-wrap{width:min(1180px,calc(100% - 26px));margin:22px auto 30px}.worksheet-upload-hero{display:grid;grid-template-columns:1.4fr .7fr;gap:20px;align-items:center;background:linear-gradient(135deg,rgba(255,255,255,.92),rgba(242,246,255,.88));box-shadow:var(--ws-shadow);border-radius:34px;padding:28px;position:relative;overflow:hidden}.worksheet-upload-hero:after{content:"";position:absolute;width:240px;height:240px;border-radius:50%;background:linear-gradient(135deg,#b2f7ef,#a78bfa);filter:blur(20px);opacity:.22;inset:-80px -50px auto auto}.hero-copy .eyebrow{display:inline-flex;background:#fff3c4;border-radius:99px;padding:8px 13px;font-weight:900;color:#805400;margin:0 0 10px}.hero-copy h1{font-size:clamp(30px,5vw,58px);line-height:1.05;margin:0 0 14px;letter-spacing:-.02em}.hero-copy p{font-size:clamp(16px,2.4vw,22px);line-height:1.75;color:#334155;margin:0}.format-pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.format-pills span{background:#fff;border:1px solid #dfe8ff;border-radius:999px;padding:9px 13px;font-weight:900;box-shadow:0 10px 24px rgba(100,116,139,.08)}.hero-robot{height:260px;position:relative;display:grid;place-items:center}.hero-robot .bot-face{width:150px;height:150px;border-radius:42px;background:linear-gradient(135deg,#5b6cff,#8b5cf6);color:white;display:grid;place-items:center;font-size:76px;font-weight:1000;box-shadow:0 30px 60px rgba(79,108,255,.35);animation:wsFloat 3s ease-in-out infinite}.hero-robot span{position:absolute;font-size:46px;animation:wsPop 2.5s ease-in-out infinite}.hero-robot span:nth-child(2){top:24px;right:20px}.hero-robot span:nth-child(3){bottom:24px;left:30px;animation-delay:.6s}@keyframes wsFloat{50%{transform:translateY(-14px) rotate(2deg)}}@keyframes wsPop{50%{transform:scale(1.15) rotate(-8deg)}}.upload-card-v60{margin-top:20px;background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.8);box-shadow:var(--ws-shadow);border-radius:30px;padding:20px}.drop-zone{display:grid;gap:10px;place-items:center;text-align:center;border:3px dashed #a9bbff;background:linear-gradient(135deg,#f8fbff,#fff);border-radius:26px;padding:34px 18px;cursor:pointer;transition:.2s}.drop-zone:hover,.drop-zone.drag{border-color:#5b6cff;transform:translateY(-2px);box-shadow:0 18px 50px rgba(91,108,255,.16)}.drop-zone input{display:none}.drop-zone strong{font-size:26px}.drop-zone span{color:#64748b;font-weight:700}.drop-zone em{font-style:normal;background:#eef7ff;border-radius:999px;padding:8px 14px;color:#334155}.btn.big{width:100%;margin-top:14px;font-size:20px;padding:16px;border-radius:18px}.analysis-progress{display:flex;align-items:center;gap:14px;margin-top:18px;background:#fff9db;border:1px solid #ffe69b;border-radius:20px;padding:16px}.spinner{width:42px;height:42px;border-radius:50%;border:5px solid #fff;border-top-color:#5b6cff;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.analysis-result{margin-top:14px}.analysis-result .ok{background:#ecfdf5;color:#065f46;border-radius:16px;padding:14px;font-weight:900}.analysis-result .err{background:#fff1f2;color:#9f1239;border-radius:16px;padding:14px;font-weight:900}.worksheet-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px}.worksheet-steps article{background:#fff;border-radius:24px;padding:18px;box-shadow:0 15px 45px rgba(100,116,139,.12)}.worksheet-steps b{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:14px;background:#5b6cff;color:white}.worksheet-steps h3{margin:12px 0 6px}.worksheet-footer{width:min(1180px,calc(100% - 26px));margin:10px auto 24px;background:#10214a;color:white;border-radius:22px;padding:16px;text-align:center;font-weight:800}.worksheet-footer a{color:#ffd166}.worksheet-hero-card{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;background:linear-gradient(135deg,#5b6cff,#8b5cf6);color:white;border-radius:34px;padding:28px;box-shadow:var(--ws-shadow)}.worksheet-mascot{width:96px;height:96px;border-radius:30px;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:60px;font-weight:1000}.worksheet-eyebrow{margin:0 0 7px;color:#fff1b7;font-weight:900}.worksheet-hero-card h1{margin:0 0 8px;font-size:clamp(28px,5vw,52px)}.worksheet-hero-card p{font-size:18px;line-height:1.75;margin:0}.worksheet-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.worksheet-tags span{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:8px 12px;font-weight:900}.worksheet-symbols{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:18px 0}.worksheet-symbols span{font-size:44px;background:white;border-radius:20px;padding:12px;box-shadow:0 12px 30px rgba(100,116,139,.14)}.worksheet-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.worksheet-card,.worksheet-section,.worksheet-parent-note{background:#fff;border-radius:26px;padding:20px;box-shadow:0 16px 48px rgba(100,116,139,.13);margin-top:16px}.worksheet-card b{font-size:44px}.worksheet-card h3{font-size:22px;margin:8px 0}.worksheet-card p,.worksheet-section p{line-height:1.8;color:#334155}.teacher-step{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;background:#f8fbff;border:1px solid #e0e8ff;border-radius:20px;padding:14px;margin:10px 0}.teacher-step span{font-size:36px}.teacher-step h3{margin:0 0 6px}.practice-list{display:grid;gap:10px}.practice-card{background:#fff8e6;border:1px solid #ffe2a5;border-radius:18px;padding:14px}.practice-card summary{cursor:pointer;font-weight:950;font-size:18px}.practice-card summary span{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:10px;background:#ffd166;margin-inline-end:8px}.plan ol{display:grid;gap:10px;font-weight:850}.worksheet-parent-note{background:#ecfdf5;border:1px solid #bbf7d0}.worksheet-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.worksheet-actions .btn{display:inline-flex;text-decoration:none}.lesson-mode-v60 .worksheet-footer{margin-bottom:40px}@media(max-width:760px){.worksheet-topbar{align-items:flex-start;flex-direction:column}.worksheet-upload-hero,.worksheet-hero-card{grid-template-columns:1fr}.hero-robot{height:190px}.hero-robot .bot-face{width:120px;height:120px}.worksheet-steps,.worksheet-grid{grid-template-columns:1fr}.drop-zone strong{font-size:21px}.worksheet-symbols span{font-size:34px}.worksheet-mascot{width:78px;height:78px;font-size:48px}}@media print{.worksheet-topbar,.worksheet-footer,.worksheet-actions,.darboush-assistant,.v58-footer-contact{display:none!important}.worksheet-body-v60{background:white}.worksheet-lesson-wrap{width:100%;margin:0}.worksheet-card,.worksheet-section,.worksheet-hero-card{box-shadow:none;break-inside:avoid}}
.worksheet-card-link-v60{background:linear-gradient(135deg,#fff7ed,#eff6ff)!important;border:2px solid #ffd166!important;position:relative;overflow:hidden}.worksheet-card-link-v60:after{content:"AI";position:absolute;inset:12px auto auto 12px;background:#5b6cff;color:white;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:1000;letter-spacing:.05em}.worksheet-card-link-v60 .card-emoji-v59{filter:drop-shadow(0 10px 18px rgba(91,108,255,.25))}