.ub-wrap{max-width:1120px;margin:25px auto;font-family:Arial,sans-serif;color:#152238}.ub-hero{background:linear-gradient(135deg,#0b2d4d,#123e68);color:#fff;border-radius:24px;padding:32px;margin-bottom:22px;box-shadow:0 10px 30px rgba(0,0,0,.12)}.ub-kicker{display:inline-block;background:rgba(241,201,107,.18);border:1px solid rgba(241,201,107,.5);border-radius:999px;padding:6px 12px;margin-bottom:10px}.ub-hero h1{margin:0 0 8px;font-size:38px}.ub-hero p{max-width:760px}.ub-hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.ub-tab-btn,.ub-complete,.ub-test button,.ub-next,.ub-copy{background:#0b2d4d;color:#fff;border:0;border-radius:999px;padding:11px 17px;cursor:pointer;font-weight:700}.ub-tab-btn{background:#fff;color:#0b2d4d}.ub-tab-btn.is-active{background:#f1c96b;color:#111}.ub-panel{display:none}.ub-panel.is-active{display:block}.ub-course-head{display:flex;gap:16px;justify-content:space-between;align-items:center;margin-bottom:18px}.ub-course-head h2{margin:0 0 6px}.ub-progress-box{background:#fff;border:1px solid #e7e7e7;border-radius:18px;padding:15px;min-width:240px}.ub-progress{height:10px;background:#eee;border-radius:999px;overflow:hidden;margin:8px 0}.ub-progress span{display:block;height:100%;background:#f1c96b}.ub-day-nav{display:flex;gap:8px;overflow:auto;padding-bottom:12px;margin-bottom:12px}.ub-day-jump{border:1px solid #ddd;background:#fff;border-radius:999px;padding:8px 12px;white-space:nowrap;cursor:pointer}.ub-day-jump.is-done{background:#eaf7ed;border-color:#9cd2a8}.ub-lessons{display:grid;grid-template-columns:repeat(auto-fit,minmax(285px,1fr));gap:18px}.ub-card,.ub-test,.ub-phrases{background:#fff;border:1px solid #e8e8e8;border-radius:18px;padding:20px;box-shadow:0 6px 22px rgba(0,0,0,.06)}.ub-card-top{display:flex;justify-content:space-between;align-items:center}.ub-day,.ub-week,.ub-phrase span{display:inline-block;background:#f1c96b;color:#1b1b1b;border-radius:30px;padding:5px 12px;font-weight:700}.ub-week{background:#eef3f7;color:#0b2d4d}.ub-card h3{margin:12px 0}.ub-hebrew{font-size:24px;background:#f7f7f7;padding:12px;border-radius:12px;margin:12px 0;line-height:1.8}.ub-lesson-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.ub-next{background:#f1c96b;color:#111}.ub-question{display:flex;justify-content:space-between;gap:14px;margin:14px 0;padding:12px;border:1px solid #eee;border-radius:12px}.ub-question select{min-width:110px}.ub-search-row input{width:100%;border:1px solid #ddd;border-radius:999px;padding:13px 16px;margin:8px 0 16px}.ub-phrase,.ub-emergency-item{border-bottom:1px solid #eee;padding:14px 0}.ub-phrase:last-child,.ub-emergency-item:last-child{border-bottom:0}.ub-phrase div,.ub-emergency-item div{font-size:25px;margin:7px 0}.ub-phrase small,.ub-emergency-item small{color:#555}#ub-level-result{margin-top:14px;font-weight:700;font-size:18px;background:#f7f7f7;border-radius:12px;padding:12px}.ub-copy{padding:8px 12px;margin-top:8px;background:#eef3f7;color:#0b2d4d}@media(max-width:720px){.ub-course-head{display:block}.ub-progress-box{margin-top:12px}.ub-hero h1{font-size:30px}.ub-question{display:block}.ub-question select{width:100%;margin-top:8px}}
.ub-lessons{grid-template-columns:1fr}.ub-card.ub-lesson{scroll-margin-top:30px}.ub-translit{font-size:16px;background:#fff7df;border:1px solid #f1c96b;padding:12px;border-radius:12px;margin:-4px 0 14px;line-height:1.7}.ub-content{margin-top:14px}.ub-study-box{background:#fafafa;border:1px solid #ececec;border-radius:16px;padding:16px;margin:14px 0}.ub-study-box h4{margin:0 0 10px;font-size:18px}.ub-vocab-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}.ub-vocab-item{background:#fff;border:1px solid #eee;border-radius:12px;padding:12px}.ub-vocab-he{font-size:24px;line-height:1.5}.ub-vocab-tr{font-weight:700;color:#0b2d4d;margin:5px 0}.ub-vocab-pt{color:#555}.ub-dialog-line{background:#fff;border:1px solid #eee;border-radius:12px;padding:12px;margin:10px 0}.ub-dialog-he{font-size:24px;line-height:1.6}.ub-dialog-tr{font-weight:700;color:#0b2d4d}.ub-mission{background:#fff7df;border-color:#f1c96b}.ub-lesson-full ol,.ub-lesson-full ul{margin-left:22px}.ub-lesson-full li{margin:6px 0}

/* Plataforma 3.0 */
.ub-wrap{box-sizing:border-box;padding:0 14px calc(48px + env(safe-area-inset-bottom,0px));}
.ub-wrap *{box-sizing:border-box}.ub-dashboard{display:grid;grid-template-columns:minmax(0,2fr) 160px 130px 150px;gap:14px;align-items:stretch;margin:0 0 24px}.ub-dashboard-main,.ub-dashboard-progress,.ub-stat{background:#fff;border:1px solid #e5e9ef;border-radius:20px;padding:20px;box-shadow:0 8px 24px rgba(11,45,77,.07)}.ub-dashboard-main h2{margin:4px 0 6px;font-size:27px}.ub-dashboard-main p{margin:0 0 15px;color:#52606d}.ub-dashboard-eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:11px;font-weight:800;color:#6b7785}.ub-continue,.ub-login-link{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;background:#0b2d4d;color:#fff;text-decoration:none;padding:11px 17px;font-weight:800;cursor:pointer}.ub-dashboard-progress,.ub-stat{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.ub-dashboard-progress span,.ub-stat span{font-size:12px;color:#66717d;margin-top:8px}.ub-stat strong{font-size:31px;color:#0b2d4d}.ub-ring{--ub-progress:0;width:84px;height:84px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#f1c96b calc(var(--ub-progress)*1%),#edf0f3 0);position:relative}.ub-ring:before{content:"";position:absolute;inset:9px;border-radius:50%;background:#fff}.ub-ring strong{position:relative;font-size:20px;color:#0b2d4d}.ub-lesson.is-completed{border-color:#a9d8b5;background:linear-gradient(180deg,#fff,#f7fcf8)}.ub-lesson.is-current{outline:3px solid rgba(241,201,107,.55);outline-offset:3px}.ub-complete.is-done{background:#247a3c}.ub-card:last-child{margin-bottom:22px}
@media(max-width:900px){.ub-dashboard{grid-template-columns:1fr 1fr}.ub-dashboard-main{grid-column:1/-1}.ub-dashboard-progress{grid-row:2/span 2}}
@media(max-width:620px){.ub-wrap{margin-top:12px;padding-left:10px;padding-right:10px}.ub-hero{padding:22px 18px;border-radius:20px}.ub-dashboard{grid-template-columns:1fr 1fr;gap:10px}.ub-dashboard-main{padding:17px}.ub-dashboard-progress{grid-column:1/-1;grid-row:auto;flex-direction:row;gap:15px}.ub-stat{padding:14px 8px}.ub-stat strong{font-size:26px}.ub-hero-actions{display:grid;grid-template-columns:1fr 1fr}.ub-tab-btn{width:100%;padding:10px 8px}.ub-card{padding:16px}.ub-vocab-grid{grid-template-columns:1fr 1fr}.ub-course-head{margin-top:18px}.ub-lesson-actions>*{width:100%;text-align:center;justify-content:center}.ub-day-nav{position:sticky;top:0;background:rgba(255,255,255,.96);z-index:8;padding:10px 0}}

/* Parte 2 — estudo interativo */
.ub-audio-box{display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:#eef4f8;border-radius:14px;padding:12px 14px;margin:14px 0}.ub-audio-box audio{max-width:100%}.ub-mission-box{background:#fff7df;border:1px solid #f1c96b;border-radius:14px;padding:14px}.ub-play-audio,.ub-check-quiz,.ub-flash-actions button{border:0;border-radius:999px;background:#0b2d4d;color:#fff;padding:8px 13px;font-weight:700;cursor:pointer}.ub-vocab-item .ub-play-audio{margin-top:10px}.ub-quiz-question{border:1px solid #e5e9ef;border-radius:14px;padding:13px;margin:12px 0}.ub-quiz-question label{display:block;padding:8px 10px;margin-top:7px;border-radius:10px;background:#fff;cursor:pointer}.ub-quiz-question.is-correct{border-color:#45a05a;background:#f2fbf4}.ub-quiz-question.is-wrong{border-color:#d86464;background:#fff5f5}.ub-quiz-result{font-weight:800;margin-top:12px}.ub-tools,.ub-dictionary{min-height:350px}.ub-flashcard{width:min(440px,100%);height:260px;margin:25px auto;position:relative;transform-style:preserve-3d;transition:transform .35s;cursor:pointer}.ub-flashcard.is-flipped{transform:rotateY(180deg)}.ub-flash-front,.ub-flash-back{position:absolute;inset:0;backface-visibility:hidden;border-radius:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:25px;box-shadow:0 12px 32px rgba(11,45,77,.14)}.ub-flash-front{background:#0b2d4d;color:#fff;font-size:52px}.ub-flash-back{background:#fff7df;border:2px solid #f1c96b;transform:rotateY(180deg)}.ub-flash-back strong{font-size:28px;color:#0b2d4d}.ub-flash-back span{font-size:21px;margin-top:10px}.ub-flash-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.ub-dictionary>input{width:100%;padding:13px 16px;border:1px solid #dfe4ea;border-radius:999px;margin:10px 0 18px}.ub-dictionary-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}.ub-dictionary-item{position:relative;border:1px solid #e5e9ef;border-radius:15px;padding:14px;display:flex;flex-direction:column;gap:4px}.ub-dict-he{font-size:28px}.ub-dictionary-item small{color:#6b7785}.ub-dictionary-item .ub-play-audio{position:absolute;right:10px;bottom:10px;padding:6px 9px}.ub-hero-actions{grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}
@media(max-width:620px){.ub-flashcard{height:220px}.ub-flash-front{font-size:42px}.ub-dictionary-list{grid-template-columns:1fr}.ub-vocab-grid{grid-template-columns:1fr}.ub-audio-box audio{width:100%}}

/* Parte 3 — certificados */
.ub-certificate-shell{padding-bottom:calc(32px + env(safe-area-inset-bottom,0px))}.ub-certificate{background:#f7f1df;padding:22px;border-radius:22px;box-shadow:0 14px 38px rgba(11,45,77,.13)}.ub-cert-border{border:4px double #b89034;padding:42px 34px;text-align:center;background:#fffdf7;min-height:520px;display:flex;flex-direction:column;justify-content:center}.ub-cert-brand{font-weight:900;letter-spacing:.18em;color:#0b2d4d}.ub-cert-title{font-size:42px;font-weight:900;color:#b89034;margin:18px 0}.ub-cert-border h2{font-size:34px;color:#0b2d4d;margin:8px 0;border-bottom:2px solid #b89034;display:inline-block;align-self:center;padding:0 20px 8px}.ub-cert-border h3{font-size:22px;margin:10px 0;color:#0b2d4d}.ub-cert-meta{display:flex;justify-content:center;gap:24px;flex-wrap:wrap;margin-top:26px;font-weight:700}.ub-cert-verify{margin-top:25px;padding-top:16px;border-top:1px solid #d8c792;display:flex;flex-direction:column;gap:5px;font-size:12px;word-break:break-all}.ub-cert-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:16px}.ub-cert-actions button,.ub-cert-actions a{border:0;border-radius:999px;background:#0b2d4d;color:#fff;padding:11px 17px;font-weight:800;text-decoration:none;cursor:pointer}.ub-cert-actions a{background:#f1c96b;color:#111}.ub-certificate-locked{max-width:700px;margin:auto}.ub-certificate-locked .ub-progress{margin:18px 0}
@media(max-width:620px){.ub-certificate{padding:10px}.ub-cert-border{padding:28px 14px;min-height:500px}.ub-cert-title{font-size:31px}.ub-cert-border h2{font-size:26px}.ub-cert-meta{gap:8px;flex-direction:column}.ub-cert-actions>*{width:100%;text-align:center}}
@media print{body *{visibility:hidden!important}.ub-certificate,.ub-certificate *{visibility:visible!important}.ub-certificate{position:absolute;left:0;top:0;width:100%;box-shadow:none;padding:0;background:#fff}.ub-cert-border{min-height:90vh}.ub-cert-actions{display:none!important}}

.ub-vocab-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.ub-word-favorite,.ub-favorite-lesson{background:#fff;border:1px solid #d7dce5;color:#374151}.ub-word-favorite.is-active,.ub-favorite-lesson.is-active{background:#fff8d6;border-color:#e8c64a;color:#7a5b00}.ub-review-card{min-height:220px;border:1px solid #dfe4ec;border-radius:18px;display:flex;align-items:center;justify-content:center;text-align:center;padding:24px;cursor:pointer;background:#fff;margin:18px 0}.ub-review-front{font-size:2.4rem;font-weight:700}.ub-review-back{display:none;flex-direction:column;gap:8px}.ub-review-back strong{font-size:1.35rem}.ub-review-card.is-flipped .ub-review-front{display:none}.ub-review-card.is-flipped .ub-review-back{display:flex}.ub-review-actions{display:flex;gap:10px;flex-wrap:wrap}.ub-review-actions button{flex:1;min-width:100px}.ub-review-status{margin-top:12px;font-weight:600;color:#6b7280}

/* Exercícios interativos 3.3 */
.ub-exercises{margin:22px 0;padding:18px;border:1px solid #dfe7ef;border-radius:18px;background:#f8fbfd}.ub-section-title{display:flex;gap:12px;align-items:center;margin-bottom:14px}.ub-section-title>span{font-size:28px}.ub-section-title h4{margin:0 0 3px}.ub-section-title p{margin:0;color:#657185}.ub-exercise{display:flex;gap:12px;background:#fff;border:1px solid #e6ebf0;border-radius:14px;padding:14px;margin-top:12px}.ub-exercise-number{width:30px;height:30px;border-radius:50%;background:#0b2d4d;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex:0 0 30px}.ub-exercise-body{flex:1;min-width:0}.ub-exercise-input,.ub-match-select{width:100%;box-sizing:border-box;border:1px solid #ccd5df;border-radius:10px;padding:11px 12px;margin-top:10px;font:inherit}.ub-exercise-hint,.ub-exercise-direction{display:block;color:#6b7280;margin-top:7px}.ub-order-bank,.ub-order-answer{display:flex;gap:8px;flex-wrap:wrap;min-height:44px;margin-top:10px;padding:9px;border:1px dashed #b7c3d0;border-radius:10px}.ub-order-answer{background:#f7fafc}.ub-order-word{border:1px solid #c8d2dd;background:#fff;border-radius:999px;padding:8px 12px;cursor:pointer}.ub-order-word.is-used{opacity:.35}.ub-order-reset{border:0;background:none;color:#0b5ea8;padding:7px 0;cursor:pointer}.ub-match-grid{display:grid;gap:9px;margin-top:10px}.ub-match-grid label{display:grid;grid-template-columns:minmax(110px,1fr) minmax(140px,1fr);gap:10px;align-items:center}.ub-exercise-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:12px}.ub-check-exercise{background:#0b2d4d;color:#fff;border:0;border-radius:999px;padding:9px 14px;font-weight:700;cursor:pointer}.ub-exercise-feedback{font-weight:700}.ub-exercise.is-correct{border-color:#7bc58c;background:#f1fbf3}.ub-exercise.is-wrong{border-color:#e29a9a;background:#fff4f4}.ub-exercise.is-correct .ub-exercise-feedback{color:#14752d}.ub-exercise.is-wrong .ub-exercise-feedback{color:#a11f1f}.ub-exercise-summary{margin-top:14px;font-weight:700}.ub-exercise-summary.is-complete{background:#eaf7ed;color:#176b2d;padding:10px 12px;border-radius:10px}@media(max-width:620px){.ub-exercises{padding:13px}.ub-exercise{padding:12px}.ub-match-grid label{grid-template-columns:1fr}.ub-exercise-actions{align-items:flex-start;flex-direction:column}}

/* Etapa 5 — estatísticas e conquistas */
.ub-stats-panel{padding-bottom:calc(28px + env(safe-area-inset-bottom,0px))}.ub-stats-heading{display:flex;justify-content:space-between;gap:18px;align-items:center}.ub-stats-heading h2{margin:4px 0}.ub-stats-heading>strong{font-size:38px;color:#0b2d4d}.ub-stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}.ub-stats-grid>div{border:1px solid #e2e8ef;border-radius:16px;padding:17px;background:#f9fbfd}.ub-stats-grid strong{display:block;font-size:29px;color:#0b2d4d}.ub-stats-grid span{display:block;font-size:12px;color:#66717d;margin-top:5px}.ub-weekly{margin:24px 0}.ub-week-bars{height:180px;display:grid;grid-template-columns:repeat(7,1fr);gap:10px;align-items:end;padding:18px 14px 4px;background:#f7f9fb;border-radius:16px}.ub-week-bars>div{height:145px;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:7px}.ub-week-bars span{display:block;width:min(34px,70%);min-height:8px;border-radius:10px 10px 4px 4px;background:linear-gradient(180deg,#f1c96b,#c99f39)}.ub-week-bars small{font-weight:700;color:#66717d}.ub-achievement-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.ub-achievement{display:flex;gap:12px;align-items:flex-start;border:1px solid #e1e6ec;border-radius:16px;padding:15px}.ub-achievement>span{font-size:29px}.ub-achievement strong,.ub-achievement small,.ub-achievement em{display:block}.ub-achievement small{color:#687482;margin-top:4px}.ub-achievement em{font-style:normal;font-size:11px;font-weight:800;color:#247a3c;margin-top:8px}.ub-achievement.is-locked{filter:grayscale(1);opacity:.48}.ub-achievement.is-unlocked{background:#fffaf0;border-color:#e5c76b}@media(max-width:760px){.ub-stats-grid{grid-template-columns:1fr 1fr}.ub-achievement-grid{grid-template-columns:1fr 1fr}}@media(max-width:520px){.ub-stats-heading{align-items:flex-start}.ub-stats-heading>strong{font-size:30px}.ub-stats-grid,.ub-achievement-grid{grid-template-columns:1fr}.ub-week-bars{gap:5px;padding-left:6px;padding-right:6px}}