/* Thầy Kiệt — 0333 762 756 */
.account-panel{border:1px solid #cddded;background:#eef5ff;border-radius:10px;padding:18px 22px;margin-bottom:28px;font-size:15px;overflow-wrap:anywhere}.account-panel p{margin:8px 0}.account-panel details{margin-top:14px}.account-panel summary{cursor:pointer;font-weight:700}.account-panel img{display:block;margin:15px 0}.account-panel button{font:inherit;padding:8px 14px;cursor:pointer;border:1px solid #a6bcda;border-radius:6px;background:white;color:#315e98}.resource[role=button]{cursor:pointer;background:#65768b}.resource:focus-visible{outline:3px solid #c79629;outline-offset:3px}
body.admin-page{margin:0;background:#f4f7fb;color:#26384d;font:16px/1.6 Arial,sans-serif}.admin-page header{background:#4676b8;color:white;padding:18px 24px}.admin-page header a{color:white}.admin-page main{max-width:1080px;margin:25px auto;padding:0 20px}.admin-page .box{background:white;padding:22px;border:1px solid #d9e3ee;border-radius:12px;margin:18px 0}.admin-page h1{font-size:26px;margin:0 0 5px}.admin-page h2{font-size:21px}.admin-page label{display:block;margin-top:13px}.admin-page input:not([type=checkbox]),.admin-page select{width:100%;box-sizing:border-box;font:inherit;padding:9px 12px;border:1px solid #b7c6d9;border-radius:6px}.admin-page button{font:inherit;cursor:pointer;background:#4676b8;color:white;border:0;border-radius:6px;padding:9px 16px;margin-top:14px}.admin-page button:disabled{opacity:.5;cursor:default}.admin-page .row{display:grid;grid-template-columns:1fr 1fr;gap:18px}.admin-page .student{border-top:1px solid #dce4ee;padding:18px 0;overflow-wrap:anywhere}.admin-page .grant{padding:12px;background:#f0f5fa;border-radius:6px;margin:10px 0}.admin-page .grant button{background:#a03932;margin-left:12px}.admin-page .muted{font-size:14px;color:#566b83}.admin-page #status{white-space:pre-line}.admin-page :focus-visible{outline:3px solid #bd9028;outline-offset:3px}[hidden]{display:none!important}@media(max-width:600px){.admin-page .row{grid-template-columns:1fr}}

/* TEC design system: navy, slate, paper */
:root{--blue:#284f83;--ink:#172b43;--muted:#58697b;--line:#dce4ec;--paper:#fff;--surface:#f5f7fa;--success:#23704d;--warning:#92651c;--error:#ae3434;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--surface);line-height:1.6}
body{background:var(--surface);color:var(--ink)}button,input,select,textarea{font:inherit}button,a,input,select{transition:background-color .18s,border-color .18s,box-shadow .18s,transform .18s}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #497bb8;outline-offset:4px}button:disabled{opacity:.55;cursor:not-allowed}button:active,.resource:active{transform:translateY(1px)}
header{background:#fff;border-bottom:1px solid var(--line);box-shadow:none}.bar{max-width:1240px;padding:18px 32px;min-height:90px}.brand{color:var(--ink);gap:15px}.brand img{width:52px;height:58px;padding:0}.brand strong{font-size:21px;letter-spacing:-.5px}.brand small{color:var(--muted);font-size:10px;letter-spacing:2px}.login{background:var(--blue);color:white;min-height:44px;padding:11px 20px;border-radius:9px}.login:hover{background:#193b65;color:white}
main{max-width:1200px;padding:40px 32px 64px}h1{font-size:clamp(27px,3vw,38px);line-height:1.2;letter-spacing:-1px;color:var(--ink);margin:0 0 14px}.intro{font-size:16px;color:var(--muted);max-width:650px}.tabs{justify-content:flex-start;gap:6px;margin:30px 0 28px;padding:6px;background:#e9eef4;border-radius:12px;width:fit-content}.tab{background:transparent;min-height:44px;padding:10px 25px;font-size:12px;letter-spacing:.7px;border-radius:8px}.tab[aria-selected="true"]{background:white;color:var(--blue);box-shadow:0 2px 5px #18324f12}.tab:hover{background:#f6f8fb}.panel-heading{margin:0 0 20px}.panel-heading h2{font-size:20px;letter-spacing:-.35px}.count{font-size:12px;font-weight:600;background:#e9eef5;color:#4a607c;padding:5px 12px}
.categories{display:flex;gap:12px;margin-bottom:26px}.category{flex:1;min-height:60px;padding:16px 20px;border:1px solid var(--line);border-radius:10px;background:white;font-size:14px;color:var(--muted);box-shadow:none}.category[aria-pressed="true"]{background:#eef3fa;color:#244d82;border-color:#9eb6d4;box-shadow:inset 3px 0 #284f83}.category:hover{border-color:#9eb6d4}
.cards{gap:18px;grid-template-columns:repeat(3,minmax(0,1fr))}.card{align-items:flex-start;text-align:left;min-width:0;min-height:210px;padding:25px;border-radius:14px;border:1px solid var(--line);box-shadow:0 3px 8px #152b4404;position:relative;transition:transform .18s,box-shadow .18s,border-color .18s}.card:hover{transform:translateY(-3px);border-color:#b4c6dc;box-shadow:0 10px 24px #203d6810}.card h3{font-size:18px;line-height:1.45;letter-spacing:-.3px;margin:0 0 9px;max-width:100%;overflow-wrap:anywhere}.card p{font-size:13px;color:var(--muted)}.resource{background:var(--blue);border:1px solid transparent;border-radius:8px;padding:10px 16px;min-height:44px;font-size:13px;text-decoration:none;line-height:1.6}.card .resource{margin-top:auto;align-self:stretch;text-align:center}.resource:hover{background:#193b65;color:white}.resource[role=button]{background:#f0f3f7;border-color:var(--line);color:#485b71}.resource[role=button]:hover{background:#e5ecf4}.placeholder{background:#fafbfd;border-style:dashed;justify-content:center}.placeholder:hover{transform:none;box-shadow:none}.notice{border:0;border-left:3px solid #c4d3e5;background:#edf2f7;border-radius:4px;font-size:13px;color:var(--muted);margin-top:24px}
.account-panel{background:white;border:1px solid var(--line);border-top:3px solid #284f83;padding:22px 24px;border-radius:12px;margin-bottom:35px;font-size:14px;box-shadow:0 4px 12px #19365405}.account-panel>strong{font-size:16px;color:var(--ink)}.account-panel p{color:var(--muted);line-height:1.65;margin:8px 0}.account-panel h3{font-size:14px;color:var(--ink);margin:18px 0 5px}.account-panel button{min-height:44px;border:1px solid #bdcddd;border-radius:8px;background:white;color:var(--blue);padding:9px 15px;margin:10px 0 0 10px;font-size:13px}.account-panel button:hover{background:#edf2f8}.account-panel .resource{margin-top:12px}
.support{margin-top:48px;background:white;border:1px solid var(--line);border-radius:16px;box-shadow:none;padding:32px;grid-template-columns:1fr 170px;gap:32px}.support h2{font-size:22px;letter-spacing:-.4px}.support h3{font-size:16px}.support .contact{margin:0 0 24px;font-size:16px}.bank-info{font-size:14px;gap:10px 20px}.qr img{border-radius:10px}.qr figcaption{font-size:12px}.tec-footer{background:#eaf0f6;border-top:1px solid #d8e2ed;padding:42px 32px 24px}.footer-grid{gap:30px}.footer-grid p{font-size:13px}.footer-heading strong{letter-spacing:.7px;font-size:18px}.footer-bottom{font-size:12px}
body.admin-page{font-family:Inter,"Segoe UI",Arial,sans-serif;background:var(--surface);color:var(--ink)}.admin-page header{background:#fff;color:var(--ink);padding:26px max(24px,calc((100vw - 1040px)/2));border-bottom:1px solid var(--line)}.admin-page header a{color:var(--blue);display:inline-block;margin-top:10px}.admin-page main{max-width:1080px}.admin-page .box{border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:0 4px 15px #16395904}.admin-page h1{font-size:28px}.admin-page h2{font-size:21px;letter-spacing:-.4px}.admin-page label{font-size:14px;font-weight:600;color:#40536a}.admin-page input:not([type=checkbox]),.admin-page select{min-height:46px;border-radius:8px;border-color:#bfccda;background:#fbfcfe}.admin-page input:hover,.admin-page select:hover{border-color:#8da6c3}.admin-page input[type=checkbox]{width:18px;height:18px;accent-color:var(--blue);vertical-align:middle}.admin-page button{background:var(--blue);min-height:44px;border-radius:8px}.admin-page button:hover{background:#193b65}.admin-page .grant{background:#f0f5f9}.admin-page .grant button{background:var(--error)}.admin-page #status{padding:14px 18px;background:#eaf0f7;border-radius:10px}
@media(max-width:1024px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.bar{padding-inline:24px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){main{padding:26px 18px 40px}.bar{padding:14px 18px;gap:14px}.brand strong{font-size:17px}.brand small{font-size:9px}.login{margin-left:0;width:100%;min-height:44px}.tabs{display:grid;width:100%;grid-template-columns:1fr 1fr;margin:22px 0}.tab{padding:10px}.categories{flex-direction:column}.category{width:100%;flex:auto}.cards{grid-template-columns:1fr}.card{min-height:190px;padding:22px}.card .resource{margin-top:22px}.account-panel{padding:19px 17px}.account-panel button{margin:10px 0 0;display:block;width:100%}.account-panel .resource{display:block;text-align:center;overflow-wrap:anywhere}.panel-heading h2{font-size:18px}.support{padding:24px 20px;grid-template-columns:1fr}.qr{width:170px}.bank-info{grid-template-columns:1fr;gap:3px}.tec-footer{padding:32px 20px 20px}.footer-grid{grid-template-columns:1fr;gap:20px}.admin-page .box{padding:20px}.admin-page .row{grid-template-columns:1fr}.admin-page button{max-width:100%}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}.card:hover{transform:none}}

/* Fixed-in-view primary navigation */
body>header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 12px #172b4308}.bar{max-width:1440px;gap:24px}.brand{flex-shrink:0}.brand .ielts-red{color:#bb2538}.bar .tabs{margin:0 0 0 auto;width:auto;display:flex;flex-wrap:nowrap;gap:4px;padding:4px}.bar .tab{padding:10px 16px;min-height:44px}.bar .login{flex-shrink:0;width:auto;margin:0}.account-panel{scroll-margin-top:170px}html{scroll-padding-top:170px}
@media(max-width:1000px){.bar{flex-wrap:wrap;gap:12px}.bar .login{margin-left:auto}.bar .tabs{order:3;width:100%;margin:0;justify-content:space-between}.bar .tab{flex:1;padding:10px 6px}.brand strong{font-size:19px}}
@media(max-width:500px){.bar{padding:10px 16px;gap:8px}.brand img{width:38px;height:44px}.brand strong{font-size:17px}.brand small{font-size:8px;letter-spacing:1px}.bar .login{font-size:12px;padding:9px 12px}.bar .tab{font-size:11px;letter-spacing:.3px}.bar .tabs{display:flex;gap:2px}}