.ietef-app,.ietef-login,.ietef-validate-wrap{--r:18px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ietef-text);background:var(--ietef-bg);border-radius:24px;line-height:1.5}.ietef-app{padding:24px;max-width:1240px;margin:24px auto}.ietef-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.ietef-topbar a{color:var(--ietef-primary);font-weight:700;text-decoration:none}.ietef-logo{display:block;max-width:180px;max-height:56px;object-fit:contain}.ietef-wordmark{font-size:22px;letter-spacing:.04em;color:var(--ietef-primary)}.ietef-hero,.ietef-course-head{background:linear-gradient(135deg,var(--ietef-primary),#0f2d26);color:#fff;border-radius:var(--r);padding:32px;display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:22px}.ietef-hero h1,.ietef-course-head h1{color:#fff;margin:.2em 0;font-size:clamp(30px,5vw,54px);line-height:1.05}.ietef-hero p,.ietef-course-head p{margin:0;color:rgba(255,255,255,.82);font-size:17px}.ietef-kicker{display:inline-block;text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:800;color:var(--ietef-secondary)}.ietef-section-title,.ietef-portal-section>h2{font-size:24px;margin:28px 0 14px}.ietef-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.ietef-card{display:flex;flex-direction:column;background:#fff;border:1px solid rgba(23,63,53,.1);border-radius:var(--r);overflow:hidden;box-shadow:0 8px 30px rgba(23,33,30,.05);text-decoration:none;color:inherit}.ietef-card.is-disabled{opacity:.65}.ietef-card-cover{width:100%;height:180px;object-fit:cover}.ietef-card-body{padding:20px}.ietef-card-body h3{font-size:20px;margin:7px 0 14px;color:var(--ietef-text)}.ietef-card-meta{display:flex;justify-content:space-between;gap:8px;font-size:12px}.ietef-card-meta span{color:#66736e}.ietef-progress{height:9px;background:rgba(23,63,53,.1);border-radius:999px;overflow:hidden;margin:10px 0 14px}.ietef-progress i{display:block;height:100%;background:var(--ietef-secondary);border-radius:inherit;transition:width .3s ease}.ietef-btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;background:var(--ietef-primary);color:#fff!important;border:0;border-radius:12px;padding:11px 16px;font:inherit;font-weight:750;text-decoration:none!important;cursor:pointer;transition:transform .15s ease,opacity .15s ease}.ietef-btn:hover{transform:translateY(-1px);opacity:.92}.ietef-btn:disabled{cursor:default;opacity:.65;transform:none}.ietef-btn.ghost{background:#fff;color:var(--ietef-primary)!important;border:1px solid rgba(23,63,53,.2)}.ietef-btn.small{padding:8px 12px;font-size:13px}.ietef-empty{grid-column:1/-1;padding:32px;text-align:center;background:#fff;border:1px dashed rgba(23,63,53,.25);border-radius:var(--r)}.ietef-empty.compact{padding:18px}.ietef-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:22px;margin-top:22px}.ietef-sidebar{background:#fff;border:1px solid rgba(23,63,53,.1);border-radius:var(--r);padding:14px;align-self:start;position:sticky;top:20px;max-height:calc(100vh - 40px);overflow:auto}.ietef-module{border-bottom:1px solid rgba(23,63,53,.08);padding-bottom:12px;margin-bottom:12px}.ietef-module:last-child{border-bottom:0;margin-bottom:0}.ietef-module h3{font-size:12px;text-transform:uppercase;letter-spacing:.09em;color:#74817c;margin:8px 10px}.ietef-nav-item{display:flex;align-items:flex-start;gap:10px;padding:10px;border-radius:11px;color:var(--ietef-text)!important;text-decoration:none!important;font-size:14px}.ietef-nav-item:hover,.ietef-nav-item.active{background:rgba(23,63,53,.07)}.ietef-nav-item.done span:first-child{color:#23845f;font-weight:800}.ietef-nav-item.locked{opacity:.58;cursor:not-allowed}.ietef-nav-item small{display:block;color:#7b8682;font-size:11px;margin-top:3px}.ietef-content{background:#fff;border:1px solid rgba(23,63,53,.1);border-radius:var(--r);padding:clamp(20px,4vw,40px);min-height:520px}.ietef-content h2{font-size:clamp(26px,4vw,40px);margin:.2em 0 .65em;color:var(--ietef-text)}.ietef-prose{font-size:17px;line-height:1.75}.ietef-prose img{max-width:100%;height:auto}.ietef-video{position:relative;aspect-ratio:16/9;background:#0b1210;border-radius:14px;overflow:hidden;margin:18px 0 24px}.ietef-video iframe{width:100%;height:100%;border:0}.ietef-course-pct{text-align:right}.ietef-course-pct b{display:block;font-size:34px}.ietef-course-pct span{font-size:12px;opacity:.8}.ietef-completion-ok{display:inline-flex;padding:10px 14px;background:#edf8f2;color:#176c4d;border-radius:10px;font-weight:700}.ietef-lesson-nav{display:flex;justify-content:space-between;gap:12px;margin-top:34px;padding-top:22px;border-top:1px solid #edf0ef}.ietef-quiz-summary{display:flex;flex-wrap:wrap;gap:10px;margin:10px 0 22px}.ietef-quiz-summary span{background:#f5f7f6;padding:7px 10px;border-radius:9px;font-size:12px}.ietef-quiz fieldset,.ietef-assessment-form fieldset{border:1px solid #dde5e1;border-radius:14px;padding:18px;margin:0 0 18px}.ietef-quiz legend,.ietef-assessment-form legend{font-weight:800;padding:0 8px}.ietef-quiz fieldset label,.ietef-assessment-form fieldset label{display:flex;gap:10px;align-items:flex-start;padding:9px 10px;border-radius:9px;cursor:pointer}.ietef-quiz fieldset label:hover,.ietef-assessment-form fieldset label:hover{background:#f6f8f7}.ietef-quiz input,.ietef-assessment-form input[type=radio],.ietef-assessment-form input[type=checkbox]{margin-top:4px}.ietef-answer-text,.ietef-assessment-form textarea,.ietef-assignment-form textarea{width:100%;border:1px solid #ccd6d2;border-radius:10px;padding:11px;font:inherit}.ietef-result{margin-top:12px;font-weight:700}.ietef-result.success{color:#176c4d}.ietef-result.error{color:#a32424}.ietef-finish{margin-top:22px;background:linear-gradient(135deg,#fff8e8,#fff);border:1px solid rgba(199,163,90,.35);border-radius:var(--r);padding:28px}.ietef-notice{background:#fff;border:1px solid rgba(23,63,53,.12);border-left:4px solid var(--ietef-secondary);padding:14px 16px;border-radius:11px;margin:10px 0}.ietef-notice.error{border-left-color:#b83232;background:#fff8f8}.ietef-notice.success{border-left-color:#23845f;background:#f6fffa}.ietef-notice p{margin:5px 0}.ietef-login,.ietef-validate-wrap{max-width:520px;margin:40px auto;padding:28px;background:#fff;border:1px solid rgba(23,63,53,.12);box-shadow:0 12px 40px rgba(23,33,30,.08)}.ietef-login-brand{text-align:center;margin-bottom:15px}.ietef-login input[type=text],.ietef-login input[type=password],.ietef-validate input{width:100%;padding:12px;border:1px solid #cdd6d2;border-radius:10px}.ietef-login input[type=submit]{background:var(--ietef-primary);color:#fff;border:0;border-radius:10px;padding:11px 18px;font-weight:700}.ietef-validate label{display:block;font-weight:700;margin-bottom:8px}.ietef-validate>div{display:flex;gap:8px}.ietef-dashboard-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.ietef-list-card{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:1px solid rgba(23,63,53,.1);border-radius:14px;padding:15px;margin-bottom:10px}.ietef-list-card strong,.ietef-list-card span{display:block}.ietef-list-card span{color:#6b7772;font-size:12px;margin-top:3px}.ietef-stack{display:grid;gap:14px}.ietef-task-card{background:#fff;border:1px solid rgba(23,63,53,.1);border-radius:var(--r);padding:22px}.ietef-task-head{display:flex;justify-content:space-between;gap:18px;margin-bottom:10px}.ietef-task-head h3{margin:4px 0}.ietef-status{display:inline-flex;align-items:center;height:max-content;background:#f3f5f4;color:#55625d;border-radius:999px;padding:6px 10px;font-size:11px;font-weight:800;white-space:nowrap}.ietef-status.done{background:#e9f7f0;color:#176c4d}.ietef-assignment-form{display:grid;gap:10px;margin-top:16px}.ietef-file-label{font-size:13px;font-weight:700}.ietef-submission-result{background:#f7faf8;border-radius:11px;padding:13px;margin:12px 0}.ietef-portal-section{margin-top:30px}
@media(max-width:900px){.ietef-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.ietef-layout{grid-template-columns:1fr}.ietef-sidebar{position:static;max-height:none}.ietef-dashboard-grid{grid-template-columns:1fr}}
@media(max-width:620px){.ietef-app{padding:12px;margin:10px auto}.ietef-grid{grid-template-columns:1fr}.ietef-hero,.ietef-course-head{padding:23px;align-items:flex-start;flex-direction:column}.ietef-course-pct{text-align:left}.ietef-topbar{align-items:flex-start}.ietef-topbar>div{text-align:right;font-size:13px}.ietef-content{padding:19px}.ietef-task-head,.ietef-list-card{align-items:flex-start;flex-direction:column}.ietef-lesson-nav{flex-direction:column}.ietef-validate>div{flex-direction:column}}
.ietef-assessment-timer{display:inline-flex;align-items:center;gap:6px;margin:0 0 16px;padding:8px 11px;border-radius:9px;background:#fff7df;color:#765d18;font-size:13px;font-weight:700}.ietef-assessment-timer.expired{background:#fff0f0;color:#9d2929}