:root{
  --blue:#1267ad;--blue2:#0b4f8a;--orange:#d66a1f;--bg:#f5f7fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--danger:#b42318;--success:#18794e;--warning:#9a6700;--info:#1769aa;--shadow:0 8px 24px rgba(17,24,39,.08)
}
*{box-sizing:border-box}body{margin:0;font:14px/1.5 Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--blue);text-decoration:none}h1,h2,h3{line-height:1.2;margin:0 0 14px}h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}.muted{color:var(--muted)}.small{font-size:12px}.nowrap{white-space:nowrap}.text-right{text-align:right}.text-center{text-align:center}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mb-0{margin-bottom:0}.mb-2{margin-bottom:16px}hr{border:0;border-top:1px solid var(--line);margin:20px 0}
.app-shell{display:flex;min-height:100vh}.sidebar{width:248px;background:#fff;border-right:1px solid var(--line);position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;z-index:20}.brand{display:flex;align-items:center;gap:10px;padding:14px;border-bottom:1px solid var(--line);min-height:74px}.brand img{width:60px;height:44px;object-fit:contain;border-radius:8px}.brand b{display:block;color:var(--blue2)}.brand small{display:block;color:var(--orange);font-weight:bold}.sidebar nav{padding:10px;overflow:auto;flex:1}.nav-link{display:flex;align-items:center;gap:11px;color:#475569;padding:10px 12px;border-radius:9px;margin:2px 0;font-weight:600}.nav-link:hover{background:#f3f6fa}.nav-link.active{background:linear-gradient(90deg,#e8f2fb,#fff4eb);color:var(--blue2);border-left:3px solid var(--orange)}.nav-icon{width:20px;text-align:center;color:var(--orange)}.sidebar-footer{padding:12px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.role-chip{font-size:10px;padding:4px 7px;border-radius:999px;background:#edf5fb;color:var(--blue2);font-weight:bold}.main-wrap{margin-left:248px;min-width:0;flex:1}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:10}.topbar small{display:block;color:var(--muted);font-weight:normal}.user-mini{display:flex;align-items:center;gap:10px}.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--orange));color:white;display:grid;place-items:center;font-weight:bold}.content{padding:22px;min-height:calc(100vh - 100px)}.footer{text-align:center;color:var(--muted);font-size:12px;padding:8px 20px 18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:18px}.card-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.card-header h2,.card-header h3{margin:0}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.span-2{grid-column:span 2}.kpi{padding:16px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}.kpi .label{font-size:12px;color:var(--muted);font-weight:bold;text-transform:uppercase;letter-spacing:.04em}.kpi .value{font-size:26px;font-weight:800;color:var(--blue2);margin-top:5px}.kpi .hint{font-size:12px;color:var(--muted);margin-top:4px}.accent-orange{border-top:3px solid var(--orange)}.accent-blue{border-top:3px solid var(--blue)}
label{display:block;font-weight:600;color:#374151;margin-bottom:12px}input,select,textarea{width:100%;margin-top:5px;border:1px solid #cfd6df;border-radius:8px;padding:9px 10px;background:#fff;color:#111827;font:inherit;outline:none}textarea{min-height:86px;resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(18,103,173,.12)}input[type=checkbox]{width:auto;margin:0 6px 0 0}.form-row{display:flex;gap:10px;align-items:end;flex-wrap:wrap}.form-row label{margin:0;min-width:150px;flex:1}.form-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:8px;padding:9px 13px;font-weight:700;cursor:pointer;font:inherit}.btn-primary{background:var(--blue);color:white}.btn-primary:hover{background:var(--blue2)}.btn-orange{background:var(--orange);color:white}.btn-light{background:#f3f4f6;color:#374151;border:1px solid #dfe3e8}.btn-danger{background:#fff0ee;color:var(--danger);border:1px solid #f3c1ba}.btn-success{background:#eaf8f0;color:var(--success);border:1px solid #bfe3ce}.btn-sm{padding:6px 9px;font-size:12px}.btn-block{width:100%}.icon-btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 9px;cursor:pointer}
.alert{padding:11px 13px;border-radius:9px;margin-bottom:16px;border:1px solid transparent}.alert-success{background:#ecf8f1;color:#166534;border-color:#c5ead4}.alert-danger{background:#fff0ef;color:#991b1b;border-color:#f4c7c3}.alert-warning{background:#fff8e6;color:#7a5600;border-color:#f3dfa4}.alert-info{background:#eef7ff;color:#0b4f8a;border-color:#c9e3f8}.badge{display:inline-block;font-size:11px;font-weight:bold;border-radius:999px;padding:4px 8px}.badge-success{background:#e8f7ef;color:#18794e}.badge-danger{background:#fff0ef;color:#b42318}.badge-warning{background:#fff7df;color:#8a5d00}.badge-info{background:#eaf5ff;color:#1769aa}.badge-secondary{background:#eef0f3;color:#596273}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px}.table{width:100%;border-collapse:collapse;background:white;min-width:720px}.table th,.table td{padding:10px 11px;border-bottom:1px solid #edf0f3;text-align:left;vertical-align:top}.table th{font-size:12px;text-transform:uppercase;letter-spacing:.03em;background:#f8fafc;color:#64748b}.table tbody tr:hover{background:#fbfdff}.table tr:last-child td{border-bottom:0}.actions{display:flex;gap:5px;flex-wrap:wrap}.searchbar{max-width:340px;margin:0}.empty{padding:26px;text-align:center;color:var(--muted)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:15px}.tab{padding:8px 11px;border-radius:8px;background:#eef2f7;color:#475569;font-weight:700}.tab.active{background:var(--blue);color:white}.split{display:grid;grid-template-columns:380px 1fr;gap:16px}.stat-list{display:grid;gap:10px}.stat-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--line)}.stat-row:last-child{border:0}.progress{height:8px;border-radius:999px;background:#e9edf2;overflow:hidden}.progress span{display:block;height:100%;background:var(--blue)}
.auth-body{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#eef7ff,#fff7f1)}.auth-card{width:min(430px,100%);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 16px 50px rgba(20,40,70,.14);padding:24px}.install-card{width:min(760px,100%)}.auth-logo{display:block;width:210px;max-height:110px;object-fit:contain;margin:0 auto 16px}.auth-card h1{text-align:center;color:var(--blue2)}.auth-card>p{text-align:center;margin-top:-6px}.public-links{text-align:center;margin-top:16px;color:var(--muted)}.public-links span{margin:0 8px}.public-page{min-height:100vh;background:#f5f7fb;padding:24px}.public-box{width:min(900px,100%);margin:auto}.public-head{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:16px}.public-head img{width:110px;height:70px;object-fit:contain}.public-head h1{margin:0;color:var(--blue2)}
.mobile-only{display:none}.print-only{display:none}
@media(max-width:1000px){.grid-4{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}.sidebar{transform:translateX(-100%);transition:.2s}.sidebar.open{transform:translateX(0);box-shadow:10px 0 30px rgba(0,0,0,.15)}.main-wrap{margin-left:0}.mobile-only{display:inline-flex}}
@media(max-width:700px){.content{padding:14px}.topbar{padding:0 14px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.span-2{grid-column:auto}.card{padding:14px}.user-mini span{display:none}.table{min-width:650px}.form-actions{justify-content:stretch}.form-actions .btn{flex:1}.public-page{padding:12px}.public-head{align-items:flex-start}.public-head img{width:80px}}
@media print{.sidebar,.topbar,.footer,.no-print,.btn,.searchbar{display:none!important}.main-wrap{margin:0}.content{padding:0}.card{box-shadow:none;border:0}.print-only{display:block}}

/* ===== AEC v1.2 Public Website ===== */
.site-body{margin:0;background:#fff;color:#182230;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}.site-container{width:min(1180px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid #e9eef4}.site-nav-wrap{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-brand img{width:170px;height:58px;object-fit:contain;object-position:left center}.site-nav{display:flex;align-items:center;gap:26px;font-weight:700}.site-nav>a:not(.btn){color:#344054;font-size:14px}.site-nav>a:not(.btn):hover{color:var(--blue)}.site-nav-cta{padding:11px 18px}.site-nav-toggle{display:none;border:1px solid #dce5ee;background:#fff;border-radius:12px;width:44px;height:44px;font-size:20px;color:#243447}.site-hero{position:relative;overflow:hidden;padding:82px 0 72px;background:radial-gradient(circle at 82% 16%,rgba(18,103,173,.12),transparent 30%),linear-gradient(180deg,#fafdff 0%,#fff 100%)}.site-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:68px;align-items:center}.site-eyebrow{display:inline-flex;padding:7px 12px;border-radius:999px;background:#eaf4fc;color:#0b5b9d;font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}.site-eyebrow.light{background:rgba(255,255,255,.14);color:#fff}.site-hero h1{font-size:clamp(38px,5vw,64px);line-height:1.04;letter-spacing:-.045em;margin:20px 0;color:#102a43}.site-hero-copy>p{font-size:18px;line-height:1.75;color:#52657a;margin:0}.site-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 20px}.site-btn-lg{padding:14px 20px;border-radius:11px;font-size:15px}.btn-outline{background:#fff;color:var(--blue2);border:1px solid #cddbe7}.btn-outline:hover{background:#f5f9fc}.btn-white{background:#fff;color:#0b4f8a}.site-trust-row{display:flex;gap:22px;flex-wrap:wrap;color:#52657a;font-size:13px;font-weight:700}.site-hero-visual{position:relative;min-height:450px;display:flex;align-items:center;justify-content:center}.hero-panel{background:#fff;border:1px solid #e5edf4;border-radius:24px;box-shadow:0 30px 70px rgba(20,63,99,.14)}.hero-panel-main{width:min(440px,92%);padding:24px;transform:rotate(1deg)}.hero-panel-head{display:flex;align-items:center;justify-content:space-between;font-weight:800;color:#163b5c;margin-bottom:18px}.live-dot{font-size:11px;color:#188557;background:#eefaf4;padding:6px 9px;border-radius:999px}.hero-class-list{display:grid;gap:12px}.hero-class-item{display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:12px;padding:13px;border:1px solid #edf2f6;border-radius:15px;background:#fbfdff}.hero-class-item b,.hero-class-item small{display:block}.hero-class-item b{color:#17324d}.hero-class-item small{color:#7a8b9c;margin-top:3px}.hero-class-icon{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,#0e69b2,#0b4f8a);color:#fff;display:grid;place-items:center;font-weight:900}.hero-class-item:nth-child(2) .hero-class-icon{background:linear-gradient(135deg,#e08135,#c45c17)}.hero-arrow{font-size:28px;color:#8aa0b3}.hero-floating{position:absolute;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #e6edf3;border-radius:16px;box-shadow:0 18px 40px rgba(31,55,75,.12);padding:13px 15px;min-width:190px}.hero-floating b,.hero-floating small{display:block}.hero-floating b{font-size:13px;color:#20384d}.hero-floating small{font-size:11px;color:#7a8b9c;margin-top:2px}.hero-float-a{left:-12px;top:74px}.hero-float-b{right:-8px;bottom:58px}.hero-float-icon{width:38px;height:38px;border-radius:12px;background:#eaf8f1;color:#18794e;display:grid;place-items:center;font-weight:900}.hero-float-icon.orange{background:#fff2e8;color:#d66a1f}.site-stats{border-top:1px solid #eef2f6;border-bottom:1px solid #eef2f6}.site-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:26px 0}.site-stats-grid>div{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:70px;border-right:1px solid #eef2f6}.site-stats-grid>div:last-child{border-right:0}.site-stats strong{font-size:28px;color:#0c5e9f}.site-stats span{font-size:12px;color:#718096;font-weight:700;margin-top:8px}.site-section{padding:90px 0}.site-section-soft{background:#f6f9fc}.site-section-head{text-align:center;max-width:720px;margin:0 auto 40px}.site-section-head.compact{margin-bottom:32px}.site-section-head h2,.site-tutor-copy h2,.site-cta-box h2{font-size:clamp(28px,3vw,42px);letter-spacing:-.03em;color:#15344f;margin:16px 0 12px}.site-section-head p{font-size:16px;color:#6a7d90;margin:0;line-height:1.7}.site-program-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.site-program-card{background:#fff;border:1px solid #e4ebf1;border-radius:18px;padding:22px;transition:.2s;min-height:250px;display:flex;flex-direction:column}.site-program-card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(24,68,103,.1)}.site-program-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(135deg,#0c67aa,#104c7f);color:#fff;font-weight:900;margin-bottom:16px}.site-program-card:nth-child(even) .site-program-icon{background:linear-gradient(135deg,#e27b2b,#c45a16)}.site-program-meta{font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.06em;color:#d66a1f;margin-bottom:7px}.site-program-card h3{font-size:19px;color:#183850;margin-bottom:9px}.site-program-card p{color:#6b7d8f;line-height:1.65;margin:0 0 14px}.site-program-price{font-size:12px;font-weight:800;color:#0d679f;margin:auto 0 12px}.site-program-card>a{font-weight:800;color:#0d64a2}.site-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.site-feature-grid article{background:#fff;border:1px solid #e7edf2;border-radius:17px;padding:24px}.feature-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:13px;background:#eaf4fc;color:#0d66a6;font-size:19px;font-weight:900;margin-bottom:16px}.site-feature-grid article:nth-child(2n) .feature-icon{background:#fff0e6;color:#cf651e}.site-feature-grid h3{color:#183850;margin-bottom:8px}.site-feature-grid p{color:#6b7d8f;line-height:1.65;margin:0}.site-tutor-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}.site-tutor-panel{position:relative;overflow:hidden;border-radius:24px;padding:34px;background:linear-gradient(145deg,#0b4f8a,#1267ad);color:#fff;min-height:360px;box-shadow:0 24px 60px rgba(11,79,138,.2)}.site-tutor-badge{display:inline-block;padding:7px 10px;border-radius:9px;background:rgba(255,255,255,.12);font-size:11px;font-weight:900;letter-spacing:.1em}.site-tutor-person{display:flex;align-items:center;gap:15px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:18px;padding:18px;margin:30px 0 22px}.site-person-avatar{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#0b4f8a;font-size:24px;font-weight:900}.site-tutor-person b,.site-tutor-person small{display:block}.site-tutor-person small{opacity:.75;margin-top:5px;line-height:1.5}.site-tutor-points{display:grid;gap:10px}.site-tutor-points span{position:relative;padding-left:24px}.site-tutor-points span:before{content:"✓";position:absolute;left:0;color:#ffbd75;font-weight:900}.site-tutor-copy>p{font-size:16px;color:#667b8f;line-height:1.75}.site-check-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:24px 0}.site-check-list span{font-weight:700;color:#355167}.site-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.site-steps article{background:#fff;border:1px solid #e5ecf2;border-radius:18px;padding:26px;text-align:center}.site-steps article>span{display:grid;place-items:center;width:50px;height:50px;border-radius:50%;background:#0d63a2;color:#fff;font-size:19px;font-weight:900;margin:0 auto 16px}.site-steps article:nth-child(2)>span{background:#d66a1f}.site-steps h3{color:#183850}.site-steps p{color:#6b7d8f;line-height:1.65;margin-bottom:0}.site-cta-section{padding:0 0 90px}.site-cta-box{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:44px 48px;border-radius:24px;background:linear-gradient(135deg,#0b4f8a,#1267ad);color:#fff;box-shadow:0 24px 60px rgba(11,79,138,.18)}.site-cta-box h2{color:#fff}.site-cta-box p{margin:0;color:rgba(255,255,255,.78)}.site-cta-actions{display:flex;gap:10px;flex-wrap:wrap}.site-footer{background:#102a43;color:#c9d5df;padding-top:55px}.site-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:50px;padding-bottom:45px}.site-footer-brand img{width:180px;height:70px;object-fit:contain;background:#fff;border-radius:10px;padding:4px}.site-footer-brand p{max-width:410px;line-height:1.7;color:#9fb1c0}.site-footer h3{color:#fff;font-size:14px;margin-bottom:15px}.site-footer a,.site-footer span{display:block;color:#aebdca;margin:9px 0;line-height:1.6}.site-footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:12px;color:#8fa3b4}

/* Public forms */
.public-page{background:linear-gradient(180deg,#f4f8fc 0,#fff 40%);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}.public-box{width:min(1040px,100%)}.public-head{border:0;box-shadow:0 12px 34px rgba(22,55,83,.07);border-radius:18px;padding:20px 24px}.public-head img{width:150px;height:76px}.public-head h1{font-size:28px}.public-head-actions{margin-left:auto;display:flex;gap:8px}.public-form-layout{display:grid;grid-template-columns:300px 1fr;gap:18px;align-items:start}.public-info-card{position:sticky;top:18px;border-radius:18px;padding:24px;background:linear-gradient(150deg,#0b4f8a,#1267ad);color:#fff;box-shadow:0 16px 38px rgba(11,79,138,.18)}.public-info-card.orange{background:linear-gradient(150deg,#b84f0b,#dd7a30)}.public-info-card h2{font-size:24px;margin:12px 0 10px;color:#fff}.public-info-card p{color:rgba(255,255,255,.82);line-height:1.7}.public-info-kicker{font-size:11px;font-weight:900;letter-spacing:.11em;text-transform:uppercase;color:#d6ecff}.public-info-list{display:grid;gap:12px;margin-top:22px}.public-info-list span{display:flex;gap:9px;align-items:flex-start;font-weight:700;font-size:13px}.public-info-list span:before{content:"✓";width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.14);flex:0 0 22px}.public-status-note{padding:12px 14px;border-radius:12px;background:rgba(255,255,255,.12);font-size:12px;margin-top:18px}.public-status-note b{color:#fff}.public-form-card{background:#fff;border:1px solid #e3eaf0;border-radius:18px;box-shadow:0 14px 38px rgba(31,65,91,.07);padding:26px}.public-form-title{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;padding-bottom:18px;margin-bottom:20px;border-bottom:1px solid #edf1f5}.public-form-title h2{margin:0 0 6px;color:#173b59}.public-form-title p{margin:0;color:#748597}.public-form-section{font-size:12px;font-weight:900;letter-spacing:.05em;text-transform:uppercase;color:#0d619d;margin:4px 0 14px}.public-form-card input,.public-form-card select,.public-form-card textarea{border-radius:10px;min-height:42px}.public-form-card textarea{min-height:92px}.public-form-card .form-actions{border-top:1px solid #edf1f5;padding-top:18px;margin-top:8px}

/* Professional login */
.auth-body.aec-login{background:radial-gradient(circle at 12% 14%,rgba(18,103,173,.16),transparent 28%),radial-gradient(circle at 88% 84%,rgba(214,106,31,.12),transparent 30%),#f5f8fb}.auth-layout{width:min(940px,100%);display:grid;grid-template-columns:1.05fr .95fr;background:#fff;border:1px solid #e3eaf0;border-radius:24px;overflow:hidden;box-shadow:0 28px 70px rgba(26,58,83,.14)}.auth-promo{padding:42px;background:linear-gradient(145deg,#0b4f8a,#1267ad);color:#fff;display:flex;flex-direction:column;justify-content:center;min-height:540px}.auth-promo img{width:210px;background:#fff;border-radius:14px;padding:6px;margin-bottom:30px}.auth-promo h1{text-align:left;color:#fff;font-size:36px;letter-spacing:-.03em;margin-bottom:12px}.auth-promo p{color:rgba(255,255,255,.8);font-size:16px;line-height:1.7}.auth-promo-list{display:grid;gap:10px;margin-top:20px}.auth-promo-list span{font-weight:700}.auth-login-panel{padding:42px;display:flex;flex-direction:column;justify-content:center}.auth-login-panel h2{font-size:28px;color:#173b59;margin-bottom:6px}.auth-login-panel>p{color:#748597;margin-top:0;margin-bottom:24px}.auth-login-panel .btn{min-height:46px}.auth-home-link{text-align:center;margin-top:18px;font-size:13px;font-weight:800}

/* Android-like mobile backend */
.mobile-menu-overlay,.mobile-bottom-nav{display:none}.topbar-left{display:flex;align-items:center;gap:10px}.topbar-brand-mobile{display:none}
@media(max-width:1000px){.backend-body{background:#f1f4f8;padding-bottom:74px}.backend-body .sidebar{display:none!important}.backend-body .main-wrap{margin-left:0}.backend-body .topbar{height:66px;padding:0 14px;background:#fff;box-shadow:0 1px 0 #e8edf2;position:sticky;top:0;z-index:45}.backend-body .topbar-title b{font-size:15px}.backend-body .topbar-title small{font-size:10px}.backend-body .app-menu-trigger{width:40px;height:40px;border-radius:12px;background:#f5f7fa;border-color:#e2e7ec;font-size:0}.backend-body .app-menu-trigger:before{content:"▦";font-size:20px;color:#17202a}.backend-body .topbar-brand-mobile{display:flex;position:absolute;left:50%;transform:translateX(-50%);align-items:center}.backend-body .topbar-brand-mobile img{width:72px;height:44px;object-fit:contain}.backend-body .user-mini span{display:none}.backend-body .avatar{width:38px;height:38px}.backend-body .content{padding:14px 12px 26px;min-height:calc(100vh - 130px)}.backend-body .footer{display:none}.backend-body .card,.backend-body .kpi{border-radius:16px;box-shadow:0 7px 22px rgba(33,52,68,.06);border-color:#e7ecf0}.backend-body .grid{gap:11px}.backend-body .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.backend-body .grid-3,.backend-body .grid-2{grid-template-columns:1fr}.backend-body .form-actions{position:sticky;bottom:72px;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);padding:9px;border:1px solid #e6ebef;border-radius:14px;z-index:8}.mobile-menu-overlay{display:block;position:fixed;inset:0;background:#f2f4f7;z-index:100;opacity:0;visibility:hidden;transform:translateY(18px);transition:.18s;overflow:auto;padding-bottom:env(safe-area-inset-bottom)}.mobile-menu-overlay.open{opacity:1;visibility:visible;transform:translateY(0)}.mobile-menu-panel{min-height:100%;padding:24px 18px 34px;background:radial-gradient(circle at 45% 0,rgba(255,255,255,.96),rgba(242,244,247,.96) 42%,#eef1f4 100%)}.mobile-menu-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:28px}.mobile-menu-brand{display:block;font-size:11px;font-weight:900;letter-spacing:.16em;color:#7c838b;margin-bottom:4px}.mobile-menu-head h2{font-size:27px;letter-spacing:-.03em;margin:0;color:#202124}.mobile-menu-close{width:52px;height:52px;border:0;border-radius:17px;background:#fff;box-shadow:0 8px 24px rgba(28,36,44,.12);font-size:34px;line-height:1;color:#25292d;cursor:pointer}.mobile-menu-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.mobile-menu-card{aspect-ratio:.91/1;min-height:128px;border:1px solid #edf0f3;border-radius:21px;background:#fff;box-shadow:0 8px 22px rgba(35,45,55,.07);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:12px 8px;color:#252525;gap:10px}.mobile-menu-card.active{background:linear-gradient(145deg,#fffef5,#fffbed);border:1.5px solid #e2be47}.mobile-menu-icon{width:58px;height:58px;border-radius:17px;background:linear-gradient(145deg,#232429,#111216);box-shadow:0 8px 16px rgba(23,24,28,.14);display:grid;place-items:center;font-size:27px}.mobile-menu-label{font-size:13px;line-height:1.15;font-weight:850;max-width:100px;color:#25272a}body.mobile-menu-open{overflow:hidden}.mobile-bottom-nav{display:grid;position:fixed;z-index:70;left:0;right:0;bottom:0;height:68px;padding:5px 8px calc(5px + env(safe-area-inset-bottom));grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:1fr;background:rgba(255,255,255,.97);backdrop-filter:blur(14px);border-top:1px solid #e2e7ec;box-shadow:0 -8px 24px rgba(30,42,52,.05)}.mobile-bottom-nav a,.mobile-bottom-nav button{border:0;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:#7b858e;font-family:inherit;cursor:pointer}.mobile-bottom-nav span{font-size:18px}.mobile-bottom-nav small{font-size:9px;font-weight:800}.mobile-bottom-nav .active{color:#0b5f9e}.mobile-bottom-menu span{width:36px;height:36px;margin-top:-17px;border-radius:12px;background:linear-gradient(145deg,#1267ad,#0b4f8a);display:grid;place-items:center;color:#fff;box-shadow:0 8px 18px rgba(11,79,138,.26);font-size:19px}.mobile-bottom-menu small{color:#0b5f9e}}
@media(max-width:800px){.public-form-layout{grid-template-columns:1fr}.public-info-card{position:static}.public-form-card{padding:18px}}
@media(max-width:760px){.site-container{width:min(100% - 28px,1180px)}.site-nav-wrap{height:68px}.site-brand img{width:132px;height:50px}.site-nav-toggle{display:block}.site-nav{position:absolute;left:14px;right:14px;top:74px;display:none;flex-direction:column;align-items:stretch;gap:4px;padding:12px;background:#fff;border:1px solid #e4eaf0;border-radius:16px;box-shadow:0 18px 44px rgba(20,48,71,.15)}.site-nav.open{display:flex}.site-nav a{padding:11px 12px;border-radius:9px}.site-nav .site-nav-cta{text-align:center}.site-hero{padding:54px 0 48px}.site-hero-grid{grid-template-columns:1fr;gap:28px}.site-hero h1{font-size:42px}.site-hero-copy>p{font-size:16px}.site-hero-actions .btn{width:100%}.site-trust-row{gap:10px 16px}.site-hero-visual{min-height:355px}.hero-panel-main{width:95%;padding:18px}.hero-floating{min-width:160px;padding:10px}.hero-float-a{left:0;top:28px}.hero-float-b{right:0;bottom:12px}.hero-floating small{display:none}.site-stats-grid{grid-template-columns:repeat(2,1fr);padding:8px 0}.site-stats-grid>div{border-right:0;border-bottom:1px solid #eef2f6;padding:18px 0}.site-stats-grid>div:nth-child(odd){border-right:1px solid #eef2f6}.site-stats-grid>div:nth-last-child(-n+2){border-bottom:0}.site-section{padding:62px 0}.site-program-grid,.site-feature-grid,.site-steps{grid-template-columns:1fr}.site-tutor-grid{grid-template-columns:1fr;gap:32px}.site-check-list{grid-template-columns:1fr}.site-cta-section{padding-bottom:62px}.site-cta-box{display:block;padding:30px 24px}.site-cta-actions{margin-top:22px}.site-cta-actions .btn{width:100%}.site-footer-grid{grid-template-columns:1fr;gap:24px}.public-page{padding:10px}.public-head{padding:14px;align-items:center}.public-head img{width:100px;height:58px}.public-head h1{font-size:21px}.public-head-actions .btn:first-child{display:none}.auth-body.aec-login{padding:12px}.auth-layout{grid-template-columns:1fr;border-radius:20px}.auth-promo{display:none}.auth-login-panel{padding:28px 20px;min-height:560px}.auth-login-panel:before{content:"";display:block;width:180px;height:82px;background:url('../img/logo-aec.jpg') center/contain no-repeat;margin:0 auto 24px}}
@media(max-width:420px){.mobile-menu-panel{padding-left:12px;padding-right:12px}.mobile-menu-grid{gap:8px}.mobile-menu-card{min-height:112px;border-radius:18px}.mobile-menu-icon{width:50px;height:50px;border-radius:15px;font-size:23px}.mobile-menu-label{font-size:11.5px}.site-hero h1{font-size:36px}}

/* v1.3 Program Online/Offline + Zoom */
.site-program-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.site-mode-badge{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:7px 10px;font-size:10px;font-weight:900;letter-spacing:.03em;white-space:nowrap}.site-mode-badge.online{background:#eaf5ff;color:#0b67a7}.site-mode-badge.offline{background:#eef3f5;color:#536271}.site-program-details{display:grid;gap:9px;padding:14px 0;margin:2px 0 10px;border-top:1px solid #edf2f6;border-bottom:1px solid #edf2f6}.site-program-details span{display:block;color:#65798c;font-size:12px;line-height:1.5}.site-program-details b{display:block;color:#213f57;font-size:10px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}.site-program-price small{font-weight:700;color:#7d8e9e}.site-program-empty{max-width:680px;margin:0 auto;padding:42px 26px;border:1px dashed #cfdae4;background:#fbfdff;border-radius:20px;text-align:center}.site-program-empty>span{display:inline-block;font-size:10px;font-weight:900;letter-spacing:.12em;color:#0c68aa;background:#eaf5ff;padding:7px 10px;border-radius:999px}.site-program-empty h3{font-size:24px;color:#183850;margin:14px 0 8px}.site-program-empty p{margin:0;color:#718395}.checkbox-card{display:flex!important;align-items:flex-start;gap:12px;border:1px solid #dfe7ee;background:#f8fbfd;border-radius:12px;padding:13px 14px}.checkbox-card input{width:18px!important;min-height:18px!important;height:18px;margin:2px 0 0;flex:0 0 18px}.checkbox-card span{display:block}.checkbox-card b,.checkbox-card small{display:block}.checkbox-card small{margin-top:3px;color:#728395;font-weight:400}.zoom-note{padding:12px 14px;border-radius:12px;background:#eef7ff;border:1px solid #cfe5f8;color:#1b5d8c}
@media(max-width:760px){.site-program-top{align-items:center}.site-mode-badge{font-size:9px;padding:6px 8px}.site-program-details{padding:12px 0}.site-program-empty{padding:32px 18px}.checkbox-card{padding:12px}}