@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;600;700;800&display=swap');
:root{--bg:#f6f8fc;--surface:#fff;--text:#18243b;--muted:#69758b;--line:#e6eaf2;--primary:#6657e8;--primary2:#4d3ed0;--soft:#eeecff;--green:#178b67;--shadow:0 10px 30px rgba(28,42,77,.06)}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif;line-height:1.55}body.dark{--bg:#111827;--surface:#1b2537;--text:#eef2ff;--muted:#a6b2c9;--line:#334056;--soft:#302d59;--shadow:0 10px 30px rgba(0,0,0,.15)}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0;border-radius:12px;padding:10px 15px;font-weight:700}button:focus,input:focus,select:focus,textarea:focus{outline:3px solid #b8b2ff;outline-offset:2px}.topbar{height:76px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 4vw;position:sticky;top:0;z-index:4}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);font:800 20px Manrope,sans-serif}.brand small{display:block;color:var(--muted);font:600 10px 'DM Sans';letter-spacing:1.5px}.brand-icon{display:grid;place-items:center;background:var(--soft);color:var(--primary);width:42px;height:42px;border-radius:14px;font-size:25px}.top-actions{display:flex;gap:8px}.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}.layout{display:grid;grid-template-columns:230px minmax(0,1fr);max-width:1500px;margin:auto}.sidebar{padding:30px 16px;border-right:1px solid var(--line);min-height:calc(100vh - 76px)}.sidebar h3{font-size:10px;letter-spacing:1.5px;color:var(--muted);padding:0 12px}.nav{width:100%;text-align:left;background:transparent;color:var(--muted);margin:3px 0;padding:12px;border-radius:11px}.nav.active,.nav:hover{background:var(--soft);color:var(--primary)}.sidebar hr{border:0;border-top:1px solid var(--line);margin:22px 0}.sidebar-note{font-size:12px;color:var(--muted);padding:16px 12px}.layout main{padding:30px clamp(18px,3vw,44px);min-width:0}.hero{border-radius:24px;background:linear-gradient(120deg,#e9e7ff,#e5f7f2);padding:30px 36px;display:flex;justify-content:space-between;align-items:center;overflow:hidden;min-height:220px;color:#202c4c}.hero h1{font:800 clamp(30px,4vw,46px)/1.12 Manrope;margin:8px 0}.hero h1 span{color:#6657e8}.hero p{max-width:520px;color:#586582;margin-bottom:0}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:800;color:var(--primary);margin:0 0 8px}.hero-art{display:flex;gap:10px;align-items:center;transform:rotate(-8deg);font-size:30px}.hero-art span{background:#ffffffc9;border-radius:20px;padding:15px;box-shadow:var(--shadow)}.filters{display:grid;grid-template-columns:1fr .7fr 1fr 1.2fr 1.5fr;gap:12px;margin:22px 0;padding:17px}.panel{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:700;color:var(--muted)}input,select,textarea{background:var(--surface);color:var(--text);border:1px solid var(--line);padding:10px 11px;border-radius:10px;min-width:0;width:100%}.status{color:var(--muted);font-size:13px;min-height:20px}.section-heading{display:flex;align-items:center;justify-content:space-between;margin:30px 0 16px}.section-heading h2{font:800 26px Manrope;margin:0}.count-pill{background:var(--soft);color:var(--primary);padding:6px 12px;border-radius:30px;font-size:12px;font-weight:800}.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.resource-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:19px;display:flex;flex-direction:column;min-height:250px;box-shadow:var(--shadow)}.resource-card .tag{align-self:flex-start;font-size:10px;text-transform:uppercase;letter-spacing:.7px;font-weight:800;background:var(--soft);color:var(--primary);border-radius:7px;padding:5px 8px}.resource-card h3{font:700 17px Manrope;margin:13px 0 7px}.resource-card p{color:var(--muted);font-size:13px;margin:0 0 14px;flex:1}.card-meta{font-size:11px;color:var(--muted);margin-bottom:12px}.card-actions{display:flex;gap:7px;flex-wrap:wrap}.primary{background:var(--primary);color:#fff}.primary:hover{background:var(--primary2)}.secondary{background:var(--soft);color:var(--primary)}.card-actions button{font-size:12px;padding:8px 10px}.muted{color:var(--muted);font-size:13px}.hidden{display:none!important}.syllabus-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.syllabus-card{padding:18px}.syllabus-card h3{margin:0 0 8px}.syllabus-card ul{padding-left:20px;color:var(--muted);font-size:13px}.quiz-panel{padding:25px;max-width:760px}.quiz-question{font:700 20px Manrope}.quiz-option{display:block;text-align:left;width:100%;margin:8px 0;background:var(--bg);border:1px solid var(--line);color:var(--text)}.quiz-option.correct{border-color:#1b9b72;background:#e4f8f0;color:#116b4e}.quiz-option.wrong{border-color:#d75b66;background:#fff0f1;color:#9d2e39}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:16px}.stats .panel{padding:20px}.stats span{display:block;color:var(--muted);font-size:12px}.stats strong{font:800 30px Manrope;display:block;margin-top:8px}.bar-track{height:13px;background:var(--line);border-radius:30px;overflow:hidden}.bar-fill{height:100%;width:0;background:linear-gradient(90deg,var(--primary),#21b68b);transition:width .3s}.download-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.download-cards .panel{padding:20px}.download-cards p{color:var(--muted);font-size:13px}.admin-box{max-width:480px;padding:22px}.admin-box label{margin:12px 0}.admin-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:16px 0}.admin-form .full{grid-column:1/-1}.import-label{display:inline-flex;margin:12px 12px 0 0}.import-label input{max-width:240px}.dialog-head{display:flex;justify-content:space-between;gap:15px}.dialog-head h2{font:800 25px Manrope;margin:0}.dialog-head .eyebrow{margin-top:8px}dialog{width:min(780px,94vw);max-height:88vh;overflow:auto;background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:0 25px 90px #0004}dialog::backdrop{background:#10162ab0}.article-content{white-space:pre-wrap;font-size:15px;margin:20px 0;line-height:1.8}.dialog-actions{display:flex;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:15px}footer{text-align:center;color:var(--muted);font-size:12px;padding:24px}.empty{padding:30px;text-align:center;border:1px dashed var(--line);border-radius:18px;color:var(--muted);grid-column:1/-1}
@media(max-width:1000px){.filters{grid-template-columns:repeat(3,1fr)}.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.download-cards{grid-template-columns:1fr}.hero-art{font-size:22px}}
@media(max-width:700px){.layout{display:block}.sidebar{min-height:0;display:flex;overflow-x:auto;gap:5px;padding:10px;border-right:0;border-bottom:1px solid var(--line)}.sidebar h3,.sidebar hr,.sidebar-note{display:none}.nav{white-space:nowrap;width:auto;margin:0;font-size:12px;padding:9px}.layout main{padding:17px 13px}.topbar{padding:0 15px;height:65px}.hero{padding:24px 20px;min-height:0}.hero-art{display:none}.filters{grid-template-columns:repeat(2,minmax(0,1fr));padding:12px}.search-label{grid-column:1/-1}.resource-grid,.syllabus-grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr}.admin-form{grid-template-columns:1fr}.admin-form .full{grid-column:auto}.top-actions #printBtn{font-size:11px;padding:8px}.resource-card{min-height:0}}
@media print{.topbar,.sidebar,.filters,.hero,.card-actions,button,footer{display:none!important}.layout{display:block}.layout main{padding:0}.resource-grid{grid-template-columns:1fr 1fr}.resource-card{break-inside:avoid;box-shadow:none}.panel{box-shadow:none}}