@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/438aa629764e75f3-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/875ae681bfde4580-s.p.woff2) format("woff2");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/51251f8b9793cdb3-s.woff2) format("woff2");unicode-range:u+0370-0377,u+037a-037f,u+0384-038a,u+038c,u+038e-03a1,u+03a3-03ff}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/e857b654a2caa584-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/cc978ac5ee68c2b6-s.p.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:400;font-display:swap;src:url(/_next/static/media/4c9affa5bc8f420e-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/438aa629764e75f3-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/875ae681bfde4580-s.p.woff2) format("woff2");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/51251f8b9793cdb3-s.woff2) format("woff2");unicode-range:u+0370-0377,u+037a-037f,u+0384-038a,u+038c,u+038e-03a1,u+03a3-03ff}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/e857b654a2caa584-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/cc978ac5ee68c2b6-s.p.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:500;font-display:swap;src:url(/_next/static/media/4c9affa5bc8f420e-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/438aa629764e75f3-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/875ae681bfde4580-s.p.woff2) format("woff2");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/51251f8b9793cdb3-s.woff2) format("woff2");unicode-range:u+0370-0377,u+037a-037f,u+0384-038a,u+038c,u+038e-03a1,u+03a3-03ff}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/e857b654a2caa584-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/cc978ac5ee68c2b6-s.p.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:600;font-display:swap;src:url(/_next/static/media/4c9affa5bc8f420e-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:700;font-display:swap;src:url(/_next/static/media/438aa629764e75f3-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:700;font-display:swap;src:url(/_next/static/media/875ae681bfde4580-s.p.woff2) format("woff2");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:700;font-display:swap;src:url(/_next/static/media/51251f8b9793cdb3-s.woff2) format("woff2");unicode-range:u+0370-0377,u+037a-037f,u+0384-038a,u+038c,u+038e-03a1,u+03a3-03ff}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:700;font-display:swap;src:url(/_next/static/media/e857b654a2caa584-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:700;font-display:swap;src:url(/_next/static/media/cc978ac5ee68c2b6-s.p.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:700;font-display:swap;src:url(/_next/static/media/4c9affa5bc8f420e-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:800;font-display:swap;src:url(/_next/static/media/438aa629764e75f3-s.woff2) format("woff2");unicode-range:u+0460-052f,u+1c80-1c8a,u+20b4,u+2de0-2dff,u+a640-a69f,u+fe2e-fe2f}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:800;font-display:swap;src:url(/_next/static/media/875ae681bfde4580-s.p.woff2) format("woff2");unicode-range:u+0301,u+0400-045f,u+0490-0491,u+04b0-04b1,u+2116}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:800;font-display:swap;src:url(/_next/static/media/51251f8b9793cdb3-s.woff2) format("woff2");unicode-range:u+0370-0377,u+037a-037f,u+0384-038a,u+038c,u+038e-03a1,u+03a3-03ff}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:800;font-display:swap;src:url(/_next/static/media/e857b654a2caa584-s.woff2) format("woff2");unicode-range:u+0102-0103,u+0110-0111,u+0128-0129,u+0168-0169,u+01a0-01a1,u+01af-01b0,u+0300-0301,u+0303-0304,u+0308-0309,u+0323,u+0329,u+1ea0-1ef9,u+20ab}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:800;font-display:swap;src:url(/_next/static/media/cc978ac5ee68c2b6-s.p.woff2) format("woff2");unicode-range:u+0100-02ba,u+02bd-02c5,u+02c7-02cc,u+02ce-02d7,u+02dd-02ff,u+0304,u+0308,u+0329,u+1d00-1dbf,u+1e00-1e9f,u+1ef2-1eff,u+2020,u+20a0-20ab,u+20ad-20c0,u+2113,u+2c60-2c7f,u+a720-a7ff}@font-face{font-family:__Manrope_eaa764;font-style:normal;font-weight:800;font-display:swap;src:url(/_next/static/media/4c9affa5bc8f420e-s.p.woff2) format("woff2");unicode-range:u+00??,u+0131,u+0152-0153,u+02bb-02bc,u+02c6,u+02da,u+02dc,u+0304,u+0308,u+0329,u+2000-206f,u+20ac,u+2122,u+2191,u+2193,u+2212,u+2215,u+feff,u+fffd}@font-face{font-family:__Manrope_Fallback_eaa764;src:local("Arial");ascent-override:103.31%;descent-override:29.07%;line-gap-override:0.00%;size-adjust:103.19%}.__className_eaa764{font-family:__Manrope_eaa764,__Manrope_Fallback_eaa764;font-style:normal}.__variable_eaa764{--font-manrope:"__Manrope_eaa764","__Manrope_Fallback_eaa764"}:root{--bg:#0f1115;--bg-2:#12141a;--surface:#171a21;--surface-2:#1d212b;--surface-3:#262b38;--border:#2b313f;--border-soft:#20252f;--text:#e6e8eb;--muted:#9aa3af;--muted-2:#6b7280;--primary:#22c55e;--primary-700:#16a34a;--cyan:#22d3ee;--success:#34d399;--warning:#fbbf24;--danger:#fb6f84;--gem:#2dd4bf;--grad-primary:linear-gradient(135deg,#22c55e,#22d3ee);--grad-gem:linear-gradient(135deg,#2dd4bf,#22c55e);--radius-sm:10px;--radius-md:16px;--radius-lg:22px;--shadow:0 8px 30px rgba(0,0,0,.35);--glow:0 10px 40px rgba(34,197,94,.28);--side-w:248px}*{box-sizing:border-box}body,html{padding:0;margin:0}body{font-family:var(--font-manrope),"Manrope",ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}h1,h2,h3,h4{margin:0;letter-spacing:-.01em}.app{min-height:100vh}.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--side-w);background:linear-gradient(180deg,var(--surface) 0,var(--bg-2) 100%);border-right:1px solid var(--border-soft);display:flex;flex-direction:column;gap:6px;padding:20px 14px;z-index:40;overflow-y:auto;overscroll-behavior:contain}.sidebar::-webkit-scrollbar{width:8px}.sidebar::-webkit-scrollbar-thumb{background:var(--border);border-radius:8px}.sidebar nav{display:flex;flex-direction:column;gap:4px}.brand{display:flex;align-items:center;gap:11px;padding:6px 8px 18px}.brandLogo{width:40px;height:40px;border-radius:12px;flex:none;display:grid;place-items:center;font-weight:800;color:#fff;background:var(--grad-primary);box-shadow:var(--glow)}.brandName{font-weight:800;font-size:17px}.brandSub{color:var(--muted);font-size:11px;font-weight:600}.navLabel{color:var(--muted-2);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:14px 10px 6px}.navItem{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;color:var(--muted);font-size:14px;font-weight:600;transition:background .15s,color .15s}.navItem:hover{background:var(--surface-2);color:var(--text)}.navItem.active{color:#fff;background:var(--surface-2)}.navItem.active .navIcon{background:var(--grad-primary);color:#fff;box-shadow:0 6px 16px rgba(34,197,94,.35)}.navIcon{width:30px;height:30px;border-radius:9px;flex:none;display:grid;place-items:center;background:var(--surface-3);color:var(--text)}.main{margin-left:var(--side-w);min-height:100vh;display:flex;flex-direction:column}.topbar{position:-webkit-sticky;position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 30px;background:rgba(15,17,21,.82);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--border-soft)}.topTitle{font-size:22px;font-weight:800}.topSub{color:var(--muted);font-size:13px;margin-top:2px}.content{padding:26px 30px 60px;flex:1 1}.card{background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow)}.card+.card{margin-top:16px}.aiGrid>.card+.card,.grid>.card+.card,.settingsGrid>.card+.card,.supportGrid>.card+.card{margin-top:0}.cardHead{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}.cardTitle{font-size:16px;font-weight:700}.muted{color:var(--muted)}.grid{display:grid;grid-gap:16px;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}@media (max-width:1100px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:720px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.stat{background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius-md);padding:18px}.statLabel{color:var(--muted);font-size:13px;font-weight:600;display:flex;align-items:center;gap:8px}.statValue{font-size:28px;font-weight:800;margin-top:10px}.statHint{color:var(--muted-2);font-size:12px;margin-top:6px}.statIcon{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:#04140a;background:var(--grad-primary)}.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-weight:700;font-size:14px;padding:10px 16px;border-radius:var(--radius-sm);transition:filter .15s,background .15s}.btn:hover{background:var(--surface-3)}.btn-primary{background:var(--grad-primary);color:#04140a;border:0;box-shadow:var(--glow)}.btn-primary:hover{filter:brightness(1.05)}.btn-danger{background:rgba(251,111,132,.14);color:var(--danger);border-color:rgba(251,111,132,.4)}.btn-ghost{background:transparent}.btn:disabled{opacity:.5;cursor:not-allowed}.input,.select,.textarea{width:100%;background:var(--surface-2);border:1.5px solid var(--border-soft);border-radius:var(--radius-sm);padding:12px 14px;color:var(--text);font-size:14px;outline:none}.input:focus,.select:focus,.textarea:focus{border-color:var(--primary)}.label{display:block;color:var(--muted);font-size:13px;font-weight:600;margin-bottom:6px}.field+.field{margin-top:14px}.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px}.badge-admin{background:rgba(34,197,94,.15);color:var(--primary)}.badge-manager{background:rgba(34,211,238,.15);color:var(--cyan)}.badge-free{background:var(--surface-3);color:var(--muted)}.table{width:100%;border-collapse:collapse}.table th{text-align:left;color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:12px 14px}.table td,.table th{border-bottom:1px solid var(--border-soft)}.table td{padding:13px 14px;font-size:14px}.table tr:hover td{background:var(--surface-2)}.empty{color:var(--muted);font-size:14px;padding:8px 0}.skel{position:relative;display:block;overflow:hidden;height:12px;background:var(--surface-2);border-radius:8px}.skel:after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.05),transparent);animation:skel-shimmer 1.5s ease-in-out infinite}@keyframes skel-shimmer{to{transform:translateX(100%)}}.skelLines{display:flex;flex-direction:column;gap:12px;padding:6px 0}td>.skel{margin:4px 0}.errorBox{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:34px 20px}.errorBoxIcon{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;color:var(--danger);background:rgba(251,111,132,.12)}.errorBoxTitle{font-weight:700;font-size:14px}.soon{display:inline-flex;align-items:center;gap:8px;color:var(--warning);background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.28);border-radius:var(--radius-sm);padding:10px 14px;font-size:13px;font-weight:600}.pageIntro{color:var(--muted);font-size:14px;margin:0 0 20px;max-width:760px;line-height:1.6}.loginWrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(900px 500px at 50% -10%,rgba(34,197,94,.12),transparent 60%),var(--bg)}.loginCard{width:100%;max-width:400px;background:var(--surface);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow)}.loginErr{color:var(--danger);font-size:13px;margin-top:10px}.bars{align-items:stretch;height:160px}.barWrap,.bars{display:flex;gap:6px}.barWrap{flex:1 1;min-width:0;flex-direction:column;align-items:center}.barTrack{flex:1 1;width:100%;display:flex;align-items:flex-end;justify-content:center}.bar{width:100%;min-height:2px;background:var(--grad-primary);border-radius:6px 6px 0 0;opacity:.9}.barTick{flex:none;color:var(--muted-2);font-size:10px;white-space:nowrap}.modalBack{position:fixed;inset:0;background:rgba(0,0,0,.55);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:grid;place-items:center;z-index:100;padding:20px;overflow-y:auto}.modal{width:100%;max-width:440px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);max-height:calc(100vh - 40px);overflow-y:auto;overscroll-behavior:contain}.modalTitle{font-size:18px;font-weight:800;margin-bottom:4px}.modalSub{color:var(--muted);font-size:13px;margin-bottom:18px}.modalActions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}.rowActions{display:flex;gap:8px}.iconBtn{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;border:1px solid var(--border);background:var(--surface-2);color:var(--muted)}.iconBtn:hover{color:var(--text);background:var(--surface-3)}.iconBtn.danger:hover{color:var(--danger);border-color:rgba(251,111,132,.4)}.dot{width:8px;height:8px;border-radius:50%;display:inline-block}.dot-on{background:var(--success)}.dot-off{background:var(--muted-2)}.headRow{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px}.formErr{color:var(--danger);font-size:13px;margin-top:12px}.tableWrap{overflow-x:auto}.tabs{display:inline-flex;gap:4px;background:var(--surface-2);border:1px solid var(--border-soft);padding:4px;margin-bottom:20px}.tab,.tabs{border-radius:999px}.tab{padding:8px 18px;font-size:14px;font-weight:700;color:var(--muted);background:transparent;border:0}.tab.active{color:#04140a;background:var(--grad-primary)}.textarea{min-height:180px;resize:vertical;line-height:1.55;font-family:inherit}.aiGrid{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px;align-items:start}@media (max-width:900px){.aiGrid{grid-template-columns:1fr}}.output{white-space:pre-wrap;background:var(--surface-2);border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:14px;font-size:14px;line-height:1.6;min-height:180px;max-height:460px;overflow:auto}.toolRow{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:12px}.fileBtn{position:relative;overflow:hidden}.fileBtn input{position:absolute;inset:0;opacity:0;cursor:pointer}.taskCard{border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:14px;margin-bottom:10px;background:var(--surface-2)}.taskPrompt{font-weight:600;margin-bottom:8px}.opt{display:flex;align-items:center;gap:8px;font-size:13px;padding:3px 0;color:var(--muted)}.opt.correct{color:var(--success);font-weight:700}.pill{font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--surface-3);margin-right:6px}.count,.pill{color:var(--muted)}.count{font-size:13px}.courseCard{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:18px 20px;border:1px solid var(--border-soft);border-radius:var(--radius-md);background:var(--surface);margin-bottom:12px;transition:border-color .15s}.courseCard:hover{border-color:var(--border)}.courseMeta{display:flex;gap:14px;align-items:center}.courseIcon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:#fff;font-weight:800;background:var(--grad-primary);flex:none}.builder{display:grid;grid-template-columns:340px minmax(0,1fr);grid-gap:18px;gap:18px;align-items:start}@media (max-width:960px){.builder{grid-template-columns:1fr}}.treeTopic{border:1px solid var(--border-soft);border-radius:var(--radius-sm);margin-bottom:10px;overflow:hidden}.treeTopicHead{justify-content:space-between;padding:11px 12px;background:var(--surface-2)}.treeTopicHead,.treeTopicName{display:flex;align-items:center;gap:8px}.treeTopicName{font-weight:700;font-size:14px;cursor:pointer;min-width:0}.treeSubs{padding:6px;display:flex;flex-direction:column;gap:4px}.subRow{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:9px 10px;border-radius:8px;font-size:13px;cursor:pointer;color:var(--muted)}.subRow.active,.subRow:hover{background:var(--surface-2);color:var(--text)}.subRow.active{border:1px solid var(--border)}.addRow{display:flex;gap:6px;margin-top:6px}.addRow input{flex:1 1;padding:8px 10px;font-size:13px}.miniBtn{padding:7px 10px;font-size:13px;border-radius:8px;border:1px solid var(--border);background:var(--surface-2);color:var(--text)}.miniBtn:hover{background:var(--surface-3)}.miniBtn.x{color:var(--muted-2);border:0;background:transparent;padding:4px 6px}.miniBtn.x:hover{color:var(--danger)}.editorEmpty{display:grid;place-items:center;min-height:320px;color:var(--muted);text-align:center}.settingsGrid{display:grid;grid-template-columns:1fr 160px 140px;grid-gap:12px;gap:12px;align-items:end}@media (max-width:720px){.settingsGrid{grid-template-columns:1fr}}.chip{font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px}.chip-free{background:rgba(34,197,94,.15);color:var(--primary)}.kvGrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:18px;gap:18px}@media (max-width:900px){.kvGrid{grid-template-columns:repeat(2,1fr)}}.kv .k{color:var(--muted);font-size:12px;font-weight:600}.kv .v{font-size:15px;font-weight:700;margin-top:4px;word-break:break-word}.uHead{display:flex;align-items:center;gap:14px}.uAvatar{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;color:#fff;font-weight:800;background:var(--grad-gem);flex:none}.searchBox{max-width:320px}.rowLink{cursor:pointer}.pager{display:flex;gap:10px;align-items:center;justify-content:flex-end;margin-top:14px}.seg{gap:4px;background:var(--surface-2);border:1px solid var(--border-soft);border-radius:12px;padding:4px;flex-wrap:wrap}.seg,.segBtn{display:inline-flex}.segBtn{align-items:center;gap:7px;padding:8px 14px;border-radius:9px;font-size:13px;font-weight:700;color:var(--muted);background:transparent;border:0}.segBtn:hover{color:var(--text)}.segBtn.on{color:#04140a;background:var(--grad-primary)}.iconGhost{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:transparent;border:0;color:var(--muted-2)}.iconGhost:hover{color:var(--danger);background:var(--surface-2)}.dangerZone{border:1px solid rgba(251,111,132,.3);background:rgba(251,111,132,.05);border-radius:var(--radius-md);padding:16px 18px;margin-top:16px}.dangerZone .dzTitle{color:var(--danger);font-weight:700;font-size:14px;margin-bottom:6px}.finalBadge{display:inline-flex;align-items:center;gap:5px;font-size:10px;font-weight:800;padding:2px 8px;border-radius:999px;background:rgba(251,191,36,.16);color:var(--warning)}.topicPick{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.topicChip{display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border-radius:10px;border:1px solid var(--border-soft);background:var(--surface-2);font-size:13px;font-weight:600;cursor:pointer;color:var(--muted)}.topicChip.sel{border-color:var(--primary);color:var(--primary);background:rgba(34,197,94,.08)}.switch{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer}.numMini{width:90px}.btnRow{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.subRuleRow{margin-top:6px}.subRuleBox{margin:6px 0 10px 26px;padding:10px 12px;border:1px solid var(--border);border-left:3px solid var(--primary,var(--border));border-radius:10px;background:var(--surface-2,hsla(0,0%,50%,.06))}.addBtn{display:inline-flex;align-items:center;gap:7px;width:100%;justify-content:center;margin-top:8px;padding:9px 12px;border-radius:10px;font-size:13px;font-weight:700;color:var(--muted);background:transparent;border:1px dashed var(--border)}.addBtn:hover{color:var(--primary);border-color:var(--primary);background:rgba(34,197,94,.06)}.addBtnMain{margin-top:12px}.addForm{margin-top:10px;padding:12px;border:1px solid var(--border);border-radius:12px;background:var(--surface-2);display:flex;flex-direction:column;gap:10px}.xpTag{font-size:11px;font-weight:800;color:var(--gem)}.tgl{position:relative;width:40px;height:22px;border-radius:999px;background:var(--surface-3);border:1px solid var(--border);flex:none;cursor:pointer;transition:background .15s}.tgl.on{background:var(--grad-primary);border-color:transparent}.tgl:after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform .15s}.tgl.on:after{transform:translateX(18px)}.tglRow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none}.blockList{display:flex;flex-direction:column;gap:8px}.blockRow{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:11px 12px;border-radius:10px;border:1px solid var(--border-soft);background:var(--surface-2);cursor:pointer;font-size:13px;font-weight:600}.blockRow:hover{border-color:var(--border)}.blockRow.active{border-color:var(--primary);color:var(--primary);background:rgba(34,197,94,.06)}.supportGrid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);grid-gap:16px;gap:16px;align-items:start}@media (max-width:1000px){.supportGrid{grid-template-columns:1fr}}.supportSearch{display:flex;align-items:center;gap:8px;color:var(--muted)}.supportSearch .input{width:240px}.ticketList{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.ticketRow{display:flex;align-items:center;gap:10px;width:100%;text-align:left;cursor:pointer;background:var(--surface-2);border:1px solid var(--border-soft);border-radius:12px;padding:11px 13px;color:var(--text)}.ticketRow.on,.ticketRow:hover{border-color:var(--primary)}.ticketRow.on{background:var(--surface-3)}.ticketDot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--primary)}.ticketMeta{flex:1 1;min-width:0;display:flex;flex-direction:column;gap:3px}.ticketSubject{font-weight:700;font-size:13.5px}.ticketSub,.ticketSubject{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ticketSub{color:var(--muted);font-size:12px}.thread{display:flex;flex-direction:column;gap:10px;max-height:420px;overflow-y:auto;padding-right:4px}.msg{max-width:88%;padding:10px 13px;border-radius:12px;font-size:13.5px;line-height:1.6;white-space:pre-wrap;word-break:break-word;background:var(--surface-2);border:1px solid var(--border-soft)}.msgUser{align-self:flex-start}.msgStaff{align-self:flex-end;background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.35)}.msgWho{display:flex;align-items:center;gap:5px;font-size:11.5px;font-weight:800;margin-bottom:4px}.msgTime,.msgWho{color:var(--muted)}.msgTime{display:block;font-size:11px;opacity:.7;margin-top:6px}.writtenPrompt{padding:12px 14px;border-radius:10px;border-left:3px solid var(--primary);color:var(--muted);font-size:13.5px;line-height:1.6}.writtenPrompt,.writtenText{background:var(--surface-2);white-space:pre-wrap}.writtenText{padding:16px;border-radius:12px;border:1px solid var(--border-soft);font-size:14.5px;line-height:1.75;word-break:break-word;max-height:460px;overflow-y:auto}