:root{--im-bg:#f5f7fb;--im-panel:#fff;--im-line:#e6eaf0;--im-text:#172033;--im-muted:#667085;--im-dark:#0f172a;--im-accent:#4f46e5;--im-danger:#b42318;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.im-app *{box-sizing:border-box}.im-app{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:100vh;background:var(--im-bg);color:var(--im-text)}.im-side{background:var(--im-dark);color:#fff;padding:18px 12px;overflow:auto}.im-brand{font-size:19px;font-weight:850;padding:6px 10px 18px}.im-brand small{display:block;color:#94a3b8;font-size:10px;margin-top:4px}.im-side nav{display:grid;gap:4px}.im-nav-label{padding:13px 11px 4px;color:#64748b;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.im-side button{border:0;background:transparent;color:#cbd5e1;text-align:left;padding:9px 11px;border-radius:8px;cursor:pointer}.im-side button:hover,.im-side button.active{background:#1e293b;color:#fff}.im-main{min-width:0}.im-top{min-height:64px;background:#fff;border-bottom:1px solid var(--im-line);display:flex;align-items:center;justify-content:space-between;padding:10px 20px;gap:10px}.im-top-left{display:flex;align-items:center;gap:10px;min-width:0}.im-top select,.im-field input,.im-field select,.im-field textarea{border:1px solid #d0d5dd;border-radius:9px;padding:9px 10px;background:#fff}.im-top #im-scope{font-size:10px;color:var(--im-muted)}.im-content{padding:22px}.im-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:16px}.im-head h1{margin:0;font-size:24px}.im-head p{margin:5px 0;color:var(--im-muted);font-size:12px}.im-btn{border:0;border-radius:8px;padding:9px 12px;background:#111827;color:#fff;font-weight:750;cursor:pointer}.im-btn.light{background:#fff;color:#344054;border:1px solid #d0d5dd}.im-btn.danger{background:var(--im-danger)}.im-link{border:0;background:transparent;color:#4f46e5;font-weight:700;cursor:pointer}.im-grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.im-two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.im-card{background:#fff;border:1px solid var(--im-line);border-radius:13px;padding:15px}.im-card-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.im-metric small{color:var(--im-muted);text-transform:uppercase;font-size:10px}.im-metric b{display:block;font-size:26px;margin-top:5px}.im-metric em{display:block;font-style:normal;color:#067647;font-size:10px;margin-top:4px}.im-note{margin-top:14px;background:#fff;border:1px solid var(--im-line);border-radius:11px;padding:11px 13px;font-size:12px}.im-note.warn{background:#fffaeb;border-color:#fedf89;color:#93370d}.im-note.ok{background:#ecfdf3;border-color:#abefc6;color:#067647}.im-table-wrap{overflow:auto;background:#fff;border:1px solid var(--im-line);border-radius:12px}.im-table{border-collapse:collapse;width:100%;min-width:900px}.im-table.compact{min-width:0}.im-table th,.im-table td{padding:10px 11px;border-bottom:1px solid #edf0f4;text-align:left;font-size:12px}.im-table th{background:#f8fafc;color:var(--im-muted);font-size:10px;text-transform:uppercase}.im-actions{display:flex;gap:6px;flex-wrap:wrap}.im-chip{display:inline-flex;padding:4px 7px;background:#eef2ff;color:#3730a3;border-radius:999px;font-size:10px;font-weight:800}.im-test-badge{display:inline-flex;margin-left:7px;padding:3px 6px;background:#fef0c7;color:#93370d;border-radius:999px;font-size:9px;font-weight:900}.im-id{font-size:10px;color:#667085;margin-top:3px}.im-empty{padding:30px;text-align:center;color:var(--im-muted)}.im-modal-back{display:none;position:fixed;inset:0;background:rgba(15,23,42,.5);z-index:999999;align-items:center;justify-content:center;padding:18px}.im-modal-back.open{display:flex}.im-modal{width:min(900px,96vw);max-height:90vh;overflow:auto;background:#fff;border-radius:15px;padding:19px}.im-form{display:grid;grid-template-columns:1fr 1fr;gap:11px}.im-span-2{grid-column:1/-1}.im-field label{display:block;font-size:10px;color:var(--im-muted);margin-bottom:5px}.im-field textarea{width:100%;min-height:80px;resize:vertical}.im-field input,.im-field select{width:100%}.im-field select[multiple]{min-height:110px}.im-form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.im-toast{display:none;position:fixed;right:18px;bottom:18px;background:#111827;color:#fff;padding:10px 13px;border-radius:9px;z-index:1000000;max-width:420px}.im-toast.show{display:block}.im-loading{padding:30px;color:var(--im-muted)}.im-muted{color:var(--im-muted);font-size:12px}.im-mini-list{display:grid;margin-top:10px}.im-mini-list>div{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-top:1px solid #eef1f4}.im-mini-list small{display:block;color:var(--im-muted);margin-top:3px}.im-card pre{white-space:pre-wrap;overflow:auto;background:#f8fafc;padding:10px;border-radius:8px;font-size:10px}@media(max-width:1100px){.im-grid4{grid-template-columns:repeat(2,1fr)}.im-two{grid-template-columns:1fr}}@media(max-width:780px){.im-app{grid-template-columns:1fr}.im-side{display:none}.im-grid4,.im-form{grid-template-columns:1fr}.im-span-2{grid-column:auto}.im-content{padding:12px}.im-top{align-items:flex-start;flex-direction:column}.im-top-left{width:100%;flex-wrap:wrap}}


/* IELTS Master standalone portal */
.im-portal-html,.im-portal-body{margin:0!important;padding:0!important;min-height:100%;background:#f5f7fb;color:#172033;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
.im-portal-body{min-height:100vh;overflow-x:hidden}
.im-user-menu{display:flex;align-items:center;gap:12px;font-size:12px;color:#344054}
.im-logout{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;color:#344054;background:#fff;border:1px solid #d0d5dd;border-radius:8px;padding:8px 10px;font-weight:750;white-space:nowrap}
.im-logout:hover{background:#f8fafc;color:#111827}
.im-login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(380px,1.05fr) minmax(420px,.95fr);background:#fff}
.im-login-hero{position:relative;display:flex;align-items:center;justify-content:center;padding:64px;background:linear-gradient(145deg,#0f172a 0%,#172554 48%,#312e81 100%);color:#fff;overflow:hidden}
.im-login-hero:before,.im-login-hero:after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.06)}
.im-login-hero:before{width:420px;height:420px;right:-170px;top:-150px}.im-login-hero:after{width:320px;height:320px;left:-140px;bottom:-120px}
.im-login-hero-inner{position:relative;z-index:1;width:min(520px,100%)}
.im-login-mark{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;background:#fff;color:#312e81;font-size:20px;font-weight:950;box-shadow:0 18px 50px rgba(0,0,0,.18);margin-bottom:22px}
.im-login-brand{font-size:38px;line-height:1.05;font-weight:900;letter-spacing:-.03em}.im-login-hero-inner>div:nth-child(2)>p{margin:12px 0 0;color:#cbd5e1;font-size:16px}
.im-login-points{display:grid;gap:18px;margin-top:48px}.im-login-points>div{display:grid;gap:5px;padding-left:18px;border-left:2px solid rgba(255,255,255,.22)}.im-login-points b{font-size:14px}.im-login-points span{color:#cbd5e1;font-size:12px;line-height:1.6}
.im-login-panel{display:flex;align-items:center;justify-content:center;padding:48px 34px;background:#fff}.im-login-panel-center{grid-column:1/-1;min-height:100vh}
.im-login-box{width:min(440px,100%)}.im-login-mobile-brand{display:none;align-items:center;gap:10px;margin-bottom:30px}.im-login-mobile-brand span{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:#312e81;color:#fff;font-weight:900}.im-login-mobile-brand b{font-size:18px}
.im-login-kicker{margin:0 0 10px;color:#4f46e5;font-weight:900;font-size:10px;letter-spacing:.12em}.im-login-box h1{margin:0;color:#101828;font-size:30px;letter-spacing:-.03em}.im-login-sub{margin:10px 0 24px;color:#667085;font-size:13px;line-height:1.6}
.im-login-error{margin:0 0 16px;padding:11px 12px;border:1px solid #fecdca;background:#fef3f2;color:#b42318;border-radius:10px;font-size:12px;font-weight:650}
.im-login-form{display:grid;gap:15px}.im-login-form>label:not(.im-login-remember){display:grid;gap:7px;color:#344054;font-size:11px;font-weight:800}.im-login-form input[type=text],.im-login-form input[type=password]{width:100%;box-sizing:border-box;border:1px solid #d0d5dd;border-radius:10px;padding:12px 13px;background:#fff;color:#101828;font-size:14px;outline:none;transition:border-color .15s,box-shadow .15s}.im-login-form input:focus{border-color:#6366f1;box-shadow:0 0 0 4px rgba(99,102,241,.12)}
.im-login-remember{display:flex;align-items:center;gap:8px;color:#475467;font-size:12px}.im-login-remember input{width:15px;height:15px}.im-login-submit{width:100%;box-sizing:border-box;border:0;border-radius:10px;padding:12px 16px;background:#312e81;color:#fff;font-size:13px;font-weight:850;cursor:pointer;text-align:center;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.im-login-submit:hover{background:#3730a3;color:#fff}.im-login-link-btn{margin-top:4px}
.im-login-help{margin:18px 0 0;padding-top:16px;border-top:1px solid #eaecf0;color:#98a2b3;font-size:10px;line-height:1.6}.im-login-version{margin-top:20px;color:#b0b7c3;font-size:9px}
@media(max-width:900px){.im-login-shell{grid-template-columns:1fr}.im-login-hero{display:none}.im-login-panel{min-height:100vh;padding:32px 20px}.im-login-mobile-brand{display:flex}.im-login-box h1{font-size:26px}}
@media(max-width:780px){.im-user-menu{width:100%;justify-content:space-between}}