:root{--navy:#101d35;--gold:#c9a248;--bg:#f3f5f8;--ink:#172033;--muted:#687386;--line:#dce2ea;--ok:#14734a;--danger:#a42a2a}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:Arial,Helvetica,sans-serif;color:var(--ink)}button,input,select{font:inherit}.hidden{display:none!important}.portal-top{background:var(--navy);color:#fff;position:sticky;top:0;z-index:10}.portal-top-inner{max-width:1100px;margin:auto;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:15px}.portal-top img{width:210px;height:50px;object-fit:contain;background:#fff;border-radius:6px}.portal-shell{max-width:1100px;margin:20px auto;padding:0 14px 40px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 5px 20px #14213a0b}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(145deg,#101d35,#172b4d)}.login-card{width:min(440px,100%)}.login-card img{display:block;width:240px;max-width:100%;margin:0 auto 18px}.field{display:grid;gap:6px;margin:12px 0}.field label{font-size:12px;font-weight:700;color:var(--muted)}.field input,.field select{padding:12px;border:1px solid #cdd5df;border-radius:9px}.btn{border:0;border-radius:9px;padding:11px 14px;font-weight:800;cursor:pointer}.primary{background:var(--navy);color:#fff}.gold{background:var(--gold);color:#171717}.light{background:#fff;border:1px solid var(--line)}.danger{background:#fff0f0;color:var(--danger);border:1px solid #edcccc}.error{color:var(--danger);font-size:13px;min-height:18px}.muted{color:var(--muted)}.small{font-size:12px}.tabs{display:flex;gap:7px;flex-wrap:wrap;margin:0 0 16px}.tabs button{background:#fff;border:1px solid var(--line);padding:10px 13px;border-radius:9px}.tabs button.active{background:var(--gold);font-weight:800}.view{display:none}.view.active{display:block}.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}.kpi span{font-size:11px;color:var(--muted);font-weight:800}.kpi strong{display:block;font-size:25px;color:var(--navy);margin-top:6px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:15px}.list{display:grid;gap:10px}.item{border:1px solid var(--line);border-radius:10px;padding:13px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.space{justify-content:space-between}.pill{display:inline-block;padding:4px 9px;border-radius:999px;font-size:11px;font-weight:800}.ok{background:#e4f4ec;color:var(--ok)}.warn{background:#fff4d7;color:#765400}.off{background:#edf0f5;color:#566174}.quiz-head{display:flex;justify-content:space-between;gap:12px;align-items:center}.question{margin:14px 0;padding:17px;background:#fff;border:1px solid var(--line);border-radius:13px}.question h3{font-size:17px;margin:0 0 12px;color:var(--navy)}.option{display:flex;gap:9px;align-items:flex-start;padding:9px;border-radius:8px}.option:hover{background:#f5f7fa}.result-correct{border-left:5px solid var(--ok)}.result-wrong{border-left:5px solid var(--danger)}.explanation{background:#f5f7fa;padding:10px;border-radius:8px;margin-top:10px}.progress{height:9px;background:#e7ebf0;border-radius:999px;overflow:hidden}.progress span{display:block;height:100%;background:var(--gold)}@media(max-width:800px){.kpis{grid-template-columns:1fr 1fr}.grid2{grid-template-columns:1fr}.portal-top-inner{align-items:flex-start}.portal-top img{width:165px}.portal-top .small{display:none}}@media(max-width:480px){.kpis{grid-template-columns:1fr}.btn{width:100%}.row.mobile-stack{display:grid}.tabs button{flex:1}.portal-shell{padding:0 9px 30px}}

/* V6.8 books and 501-question bank */
.quiz-image{display:block;max-width:220px;max-height:180px;object-fit:contain;margin:12px auto;padding:8px;background:#fff;border:1px solid var(--line);border-radius:10px}.book-toolbar{margin-bottom:15px}.book-switch{display:flex;gap:8px}.book-layout{display:grid;grid-template-columns:310px minmax(0,1fr);gap:15px;align-items:start}.book-chapters{position:sticky;top:88px;max-height:calc(100vh - 110px);overflow:auto;padding:12px}.book-chapters h3{margin:5px 8px 12px}.chapter-link{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;padding:12px 8px;text-align:left;display:flex;justify-content:space-between;gap:10px;cursor:pointer;color:var(--ink)}.chapter-link:hover,.chapter-link.active{background:#f6f0e2}.chapter-link.active{font-weight:800;border-left:4px solid var(--gold)}.chapter-state{white-space:nowrap;color:var(--muted);font-size:12px}.book-reader{min-height:480px}.book-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:18px}.book-head h2{margin:4px 0 8px}.lead{font-size:17px;line-height:1.55;color:#3e4b60}.book-section{margin:0 0 24px}.book-section h3{margin-bottom:8px}.book-section p,.book-section li,.drive-body p,.drive-body li{line-height:1.65}.remember{background:#fff8e6;border-left:4px solid var(--gold);padding:12px 14px;border-radius:8px;margin-top:12px}.book-actions{display:flex;flex-wrap:wrap;gap:10px;border-top:1px solid var(--line);padding-top:16px;margin-top:20px}.drive-exercise{border:1px solid var(--line);border-radius:10px;margin:10px 0;background:#fff}.drive-exercise summary{cursor:pointer;font-weight:800;padding:14px}.drive-exercise[open] summary{border-bottom:1px solid var(--line);background:#f7f8fa}.drive-body{padding:6px 16px 18px}.drive-body h4{margin:18px 0 7px}.mistakes{color:#762323}@media(max-width:850px){.book-layout{grid-template-columns:1fr}.book-chapters{position:static;max-height:310px}.book-head{display:block}.book-head .pill{display:inline-flex;margin-top:8px}}@media(max-width:480px){.book-switch{display:grid;width:100%}.book-switch .btn{width:100%}.book-actions{display:grid}.book-actions .btn{width:100%}.quiz-image{max-width:100%}}

/* V7.0–V7.3 portalautomation */
.portal-action-card{margin-bottom:15px}.portal-notice{border-radius:10px;padding:12px 14px;margin-top:12px;background:#fff4d7;color:#6e5000;border:1px solid #ead49a}.portal-notice.error,.portal-notice.danger{background:#fff0f0;color:var(--danger);border-color:#edcccc}.portal-divider{height:1px;background:var(--line);margin:20px 0}.slot-grid{display:grid;gap:12px}.slot-day{border:1px solid var(--line);border-radius:12px;padding:13px}.slot-day h3{margin:0 0 10px;font-size:16px}.slot-buttons{display:flex;gap:8px;flex-wrap:wrap}.slot-button{border:1px solid #c9a248;background:#fffaf0;border-radius:9px;padding:10px 13px;font-weight:800;cursor:pointer;color:var(--navy)}.slot-button:hover{background:var(--gold);color:#171717}.booking-actions .btn{padding:9px 11px}.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.product-card{border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;flex-direction:column;justify-content:space-between;gap:15px}.product-card h3{margin:6px 0}.product-card p{color:var(--muted);font-size:14px}.product-card strong{font-size:20px;color:var(--navy)}.product-card button:disabled{opacity:.45;cursor:not-allowed}.btn-link{display:inline-block;margin-top:7px;color:var(--navy);font-size:12px;font-weight:800}.pill.danger{background:#fff0f0;color:var(--danger)}@media(max-width:700px){.product-grid{grid-template-columns:1fr}.slot-button{flex:1;min-width:125px}.booking-actions{width:100%}.booking-actions .btn{flex:1}}