.sanai3{--s3-bg:#f5f7fb;--s3-card:#fff;--s3-text:#172033;--s3-muted:#64748b;--s3-line:#e2e8f0;--s3-primary:#2155d6;--s3-primary-soft:#eef3ff;--s3-success:#16803c;--s3-success-bg:#eaf8ee;--s3-danger:#b42318;--s3-danger-bg:#fff0ee;--s3-radius:18px;color:var(--s3-text);background:var(--s3-bg);font-family:inherit;font-size:16px;line-height:1.55;max-width:1120px;margin:0 auto;min-height:500px;position:relative;isolation:isolate;box-sizing:border-box;padding:0 16px 110px}
.sanai3 *{box-sizing:border-box}
.sanai3[data-theme=dark]{--s3-bg:#101827;--s3-card:#1b2638;--s3-text:#f1f5f9;--s3-muted:#a6b4c8;--s3-line:#344157;--s3-primary:#8baeff;--s3-primary-soft:#233a61;--s3-success:#7ee3a1;--s3-success-bg:#1b4435;--s3-danger:#ffaaa3;--s3-danger-bg:#4b292d}
.sanai3[data-font=large]{font-size:18px}
.sanai3 h1,.sanai3 h2,.sanai3 h3,.sanai3 p{margin:0}
.sanai3 h1{font-size:clamp(1.55rem,4vw,2.1rem);line-height:1.25;letter-spacing:-.025em}
.sanai3 h2{font-size:1.2rem;line-height:1.35}
.sanai3 p{line-height:1.65}
.sanai3 button,.sanai3 select,.sanai3 input,.sanai3 textarea{font:inherit}
.sanai3 button{cursor:pointer;touch-action:manipulation}
.sanai3 button:disabled{cursor:not-allowed;opacity:.48}
.sanai3 :focus-visible{outline:3px solid var(--s3-primary);outline-offset:3px}
.sanai3 [hidden]{display:none!important}
.sanai3 .s3-header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid var(--s3-line);margin-bottom:22px}
.s3-brand{display:flex;align-items:center;gap:10px;min-width:0}.s3-brand img{width:40px;height:40px;object-fit:contain;border-radius:10px}.s3-brand strong{display:block;font-size:1.08rem;line-height:1.2}.s3-brand small{display:block;font-size:.72rem;color:var(--s3-muted);margin-top:3px}
.s3-header-actions{display:flex;align-items:center;gap:8px}.sanai3 .s3-lang-select{width:auto;min-height:40px;max-width:110px;border:1px solid var(--s3-line);border-radius:10px;background:var(--s3-card);color:var(--s3-text);padding:4px 8px;font-size:.85rem}
.sanai3 .s3-icon-btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--s3-line);background:var(--s3-card);color:var(--s3-text);width:42px;height:42px;border-radius:12px;font-size:1.15rem;flex:none}
.s3-main{max-width:980px;margin:0 auto}.s3-hero{padding:4px 0 23px}.s3-eyebrow{display:inline-block;color:var(--s3-primary);font-size:.7rem;letter-spacing:.12em;font-weight:800;margin-bottom:10px}.s3-hero p{color:var(--s3-muted);margin-top:9px;font-size:.94rem}
.sanai3 .s3-segmented{display:flex;gap:5px;background:var(--s3-line);padding:4px;border-radius:13px;margin-bottom:12px}
.sanai3 .s3-seg{flex:1;padding:11px 9px;border:0;border-radius:10px;color:var(--s3-muted);font-weight:700;font-size:.85rem;background:transparent;min-width:0}
.sanai3 .s3-seg.active{background:var(--s3-card);color:var(--s3-primary);box-shadow:0 1px 4px #0000000b}
.s3-language-summary{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 15px;border:1px solid var(--s3-line);background:var(--s3-card);color:var(--s3-text);border-radius:13px;text-align:left;font-size:.88rem;margin:0 0 19px}.s3-language-summary strong{margin-left:auto;color:var(--s3-primary);font-size:.84rem;white-space:nowrap}
.s3-feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.s3-feature{background:var(--s3-card);border:1px solid var(--s3-line);border-radius:var(--s3-radius);padding:22px 17px;text-align:left;display:flex;flex-direction:column;gap:7px;min-height:158px;color:var(--s3-text);transition:border-color .15s,transform .15s}.s3-feature:hover{border-color:var(--s3-primary);transform:translateY(-1px)}.s3-feature-icon{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:13px;background:var(--s3-primary-soft);font-size:1.45rem;margin-bottom:5px}.s3-feature strong{font-size:1.02rem;line-height:1.35}.s3-feature small{color:var(--s3-muted);font-size:.79rem;line-height:1.4}
.s3-resume{display:flex;align-items:center;justify-content:space-between;gap:15px;background:var(--s3-primary-soft);border:1px solid var(--s3-primary);border-radius:var(--s3-radius);padding:16px;margin-bottom:16px}.s3-resume strong{display:block}.s3-resume p{font-size:.8rem;color:var(--s3-muted);margin-top:4px}
.sanai3 .s3-primary,.sanai3 .s3-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;min-height:46px;padding:11px 18px;text-align:center;font-weight:750;text-decoration:none;line-height:1.35;transition:filter .15s}
.sanai3 .s3-primary{border:1px solid var(--s3-primary);background:var(--s3-primary);color:#fff}.sanai3[data-theme=dark] .s3-primary{color:#101827}.sanai3 .s3-primary:hover{filter:brightness(.96)}.sanai3 .s3-secondary{border:1px solid var(--s3-line);background:var(--s3-card);color:var(--s3-text)}.sanai3 .s3-secondary:hover{border-color:var(--s3-primary)}.sanai3 .s3-wide{width:100%}
.s3-small-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0}.s3-small-stats>div{text-align:center;padding:12px 5px;border:1px solid var(--s3-line);background:var(--s3-card);border-radius:13px}.s3-small-stats strong{display:block;font-size:1.22rem}.s3-small-stats span{display:block;font-size:.68rem;color:var(--s3-muted);margin-top:3px;line-height:1.4}
.s3-hint{background:var(--s3-primary-soft);border:1px solid var(--s3-line);padding:14px 16px;border-radius:13px;color:var(--s3-muted);font-size:.83rem;line-height:1.6;margin:18px 0}.s3-hint strong{color:var(--s3-text)}.s3-hint p{margin-top:8px}
.s3-muted{color:var(--s3-muted);font-size:.87rem}.s3-center{text-align:center}.s3-empty{text-align:center;padding:35px 15px;color:var(--s3-muted);border:1px dashed var(--s3-line);border-radius:15px}
.s3-backbar{display:flex;align-items:center;gap:14px;margin:0 0 23px}.s3-backbar h2{font-size:1.22rem}.sanai3 .s3-link{border:0;background:transparent;color:var(--s3-primary);padding:8px 0;font-weight:700;white-space:nowrap}
.s3-subject-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.s3-subject-card{border:1px solid var(--s3-line);border-radius:15px;background:var(--s3-card);color:var(--s3-text);padding:17px;display:flex;gap:13px;align-items:center;text-align:left;min-width:0}.s3-subject-card:hover{border-color:var(--s3-primary)}.s3-subject-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;flex:none;border-radius:13px;background:var(--s3-primary-soft);font-size:1.5rem}.s3-subject-copy{min-width:0;flex:1}.s3-subject-copy strong{display:block;line-height:1.35}.s3-subject-copy small{display:block;color:var(--s3-muted);font-size:.78rem;margin-top:5px}.s3-chevron{color:var(--s3-muted);font-size:1.6rem}.s3-subject-hero{display:flex;align-items:center;gap:15px;margin:0 0 22px}.s3-subject-hero .s3-subject-icon{width:58px;height:58px}.s3-subject-hero p{color:var(--s3-muted);font-size:.86rem;margin-top:4px}.s3-action-stack{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.s3-action-stack .s3-feature{min-height:140px}
.s3-search{display:flex;gap:9px;margin-bottom:13px}.sanai3 .s3-search input{flex:1;min-width:0;border:1px solid var(--s3-line);background:var(--s3-card);color:var(--s3-text);border-radius:12px;padding:11px 13px}.s3-test-list{display:grid;gap:10px;margin-top:14px}.s3-test-row{display:flex;align-items:center;gap:13px;border:1px solid var(--s3-line);border-radius:13px;padding:13px 15px;background:var(--s3-card);color:var(--s3-text);text-align:left;width:100%}.s3-test-row:hover{border-color:var(--s3-primary)}.s3-test-row>span:nth-child(2){flex:1;min-width:0}.s3-test-row strong{display:block;font-size:.91rem}.s3-test-row small{display:block;color:var(--s3-muted);font-size:.75rem;margin-top:4px}.s3-test-badge{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--s3-primary-soft);color:var(--s3-primary);border-radius:11px;font-weight:800}
.s3-setup,.s3-review{background:var(--s3-card);border:1px solid var(--s3-line);border-radius:var(--s3-radius);padding:22px}.s3-setup-head{display:flex;align-items:center;gap:14px;margin-bottom:20px}.s3-setup-head>span{display:flex;align-items:center;justify-content:center;width:53px;height:53px;border-radius:15px;background:var(--s3-primary-soft);font-size:1.6rem}.s3-setup-head p{color:var(--s3-muted);font-size:.84rem;margin-top:5px}.s3-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:20px}.s3-field{display:flex;flex-direction:column;gap:7px;min-width:0}.s3-field>span{font-size:.82rem;color:var(--s3-muted);font-weight:650}.sanai3 .s3-field select,.sanai3 .s3-field input{width:100%;min-width:0;min-height:46px;border:1px solid var(--s3-line);border-radius:11px;background:var(--s3-bg);color:var(--s3-text);padding:10px 12px}
.s3-quota{padding:16px;border-radius:13px;border:1px solid var(--s3-line);margin-bottom:17px}.s3-quota>strong{display:block;margin-bottom:10px}.s3-quota>div{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--s3-line);font-size:.87rem}.s3-quota p{font-size:.8rem;color:var(--s3-muted);margin-top:10px}.s3-good{color:var(--s3-success);font-weight:700}.s3-bad{color:var(--s3-danger);font-weight:700}.s3-details{margin:15px 0;padding:12px;border:1px solid var(--s3-line);border-radius:12px;font-size:.85rem}.s3-details summary{cursor:pointer;font-weight:700}.s3-details small{color:var(--s3-muted);display:block;margin-top:8px}.s3-check{display:flex;align-items:center;gap:9px;margin-top:12px}.s3-check input{width:18px;height:18px}
.s3-alert{padding:13px 15px;background:var(--s3-danger-bg);color:var(--s3-danger);border-radius:11px;margin:15px 0;font-size:.87rem}.s3-loading{display:flex;align-items:center;justify-content:center;gap:12px;padding:65px 15px;color:var(--s3-muted)}.s3-spinner{width:22px;height:22px;border:3px solid var(--s3-line);border-top-color:var(--s3-primary);border-radius:50%;animation:s3spin .8s linear infinite}@keyframes s3spin{to{transform:rotate(360deg)}}
.s3-runner{max-width:820px;margin:0 auto}.s3-runner-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.s3-runner-head>div:first-child{display:flex;align-items:center;gap:12px;min-width:0}.s3-runner-head strong{font-size:.86rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.s3-timer{font-variant-numeric:tabular-nums;background:var(--s3-primary-soft);color:var(--s3-primary);font-size:.88rem;font-weight:800;border-radius:10px;padding:7px 10px;white-space:nowrap}.s3-untimed{font-size:.72rem;color:var(--s3-muted);font-weight:500}
.s3-progress-line{display:flex;justify-content:space-between;gap:10px;color:var(--s3-muted);font-size:.83rem;margin-bottom:8px}.s3-progress-track{height:7px;background:var(--s3-line);border-radius:99px;overflow:hidden}.s3-progress-track span{height:100%;display:block;background:var(--s3-primary);border-radius:99px;transition:width .2s}
.s3-question-card{background:var(--s3-card);border:1px solid var(--s3-line);border-radius:var(--s3-radius);padding:25px;margin-top:20px}.s3-question-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.s3-question-meta span{font-size:.72rem;background:var(--s3-primary-soft);color:var(--s3-primary);padding:4px 8px;border-radius:7px;font-weight:600}.s3-question-card h2,.s3-review h2{font-size:1.12rem;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;margin:0 0 22px}.s3-options{display:grid;gap:11px}.sanai3 .s3-option{width:100%;display:flex;align-items:flex-start;gap:13px;text-align:left;border:1.5px solid var(--s3-line);border-radius:13px;background:var(--s3-card);color:var(--s3-text);padding:13px 15px;min-height:52px;line-height:1.6;overflow-wrap:anywhere}.s3-option:hover:not(:disabled){border-color:var(--s3-primary)}.s3-option.selected{border-color:var(--s3-primary);background:var(--s3-primary-soft)}.s3-option.correct{border-color:var(--s3-success);background:var(--s3-success-bg)}.s3-option.incorrect{border-color:var(--s3-danger);background:var(--s3-danger-bg)}.s3-option-letter{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:1px solid var(--s3-line);border-radius:8px;flex:none;font-weight:800;font-size:.83rem}.s3-option>span:nth-child(2){flex:1;min-width:0}.s3-option-mark{color:var(--s3-success);font-weight:800}
.s3-explanation{border-radius:13px;background:var(--s3-success-bg);border:1px solid var(--s3-success);padding:16px;margin-top:19px;font-size:.9rem}.s3-explanation strong{color:var(--s3-success)}.s3-explanation p{margin-top:8px;white-space:pre-wrap;overflow-wrap:anywhere}.s3-question-tools{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}.sanai3 .s3-tool{border:0;background:var(--s3-bg);color:var(--s3-muted);padding:10px 12px;border-radius:9px;font-size:.78rem;font-weight:650}
.s3-runner-actions{display:flex;gap:10px;justify-content:space-between;margin:20px 0}.s3-runner-actions>*{flex:1;min-width:0}.s3-save-note{text-align:center;color:var(--s3-muted);font-size:.74rem;margin:8px 0}
.s3-palette{background:var(--s3-card);border:1px solid var(--s3-line);border-radius:15px;padding:18px;margin:15px 0}.s3-palette-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.s3-palette-legend{display:flex;flex-wrap:wrap;gap:12px;font-size:.73rem;color:var(--s3-muted);margin-bottom:15px}.s3-palette-grid{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:7px;margin-bottom:16px}.s3-palette-grid button{aspect-ratio:1;min-height:34px;border:1px solid var(--s3-line);background:var(--s3-bg);color:var(--s3-text);border-radius:8px;font-size:.8rem;font-weight:700}.s3-palette-grid button.answered{background:var(--s3-success-bg);border-color:var(--s3-success)}.s3-palette-grid button.flagged{box-shadow:inset 0 -4px 0 #d49621}.s3-palette-grid button.current{outline:2px solid var(--s3-primary);outline-offset:1px}
.s3-result{max-width:800px;margin:auto}.s3-result-hero{text-align:center;background:var(--s3-card);border:1px solid var(--s3-line);border-radius:var(--s3-radius);padding:30px 20px;margin-bottom:16px}.s3-result-check{display:flex;justify-content:center;align-items:center;margin:0 auto 10px;width:52px;height:52px;border-radius:50%;background:var(--s3-success-bg);color:var(--s3-success);font-size:1.6rem}.s3-result-hero>p{color:var(--s3-muted);font-size:.9rem}.s3-result-hero h1{font-size:3.4rem;margin:8px 0;font-variant-numeric:tabular-nums}.s3-result-hero h1 small{font-size:1.35rem;color:var(--s3-muted);font-weight:500}.s3-result-hero>strong{color:var(--s3-primary);font-size:1.1rem}.s3-result-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:16px}.s3-result-stats>div{text-align:center;background:var(--s3-card);border:1px solid var(--s3-line);border-radius:12px;padding:14px 5px}.s3-result-stats strong{font-size:1.25rem;display:block;font-variant-numeric:tabular-nums}.s3-result-stats span{display:block;font-size:.7rem;color:var(--s3-muted);margin-top:4px;line-height:1.4}
.s3-panel{background:var(--s3-card);border:1px solid var(--s3-line);border-radius:var(--s3-radius);padding:20px;margin:16px 0}.s3-panel h2{margin-bottom:16px}.s3-analysis{margin:14px 0}.s3-analysis>div:first-child{display:flex;justify-content:space-between;gap:10px;font-size:.88rem;margin-bottom:7px}.s3-analysis>div:first-child span{font-weight:750}.s3-weak{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--s3-line);padding:10px 0;font-size:.86rem}.s3-weak:last-child{border-bottom:0}.s3-weak strong{white-space:nowrap}.s3-result-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:20px 0}
.s3-history-row{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;background:transparent;border:0;border-bottom:1px solid var(--s3-line);color:var(--s3-text);padding:13px 0}.s3-history-row:last-child{border-bottom:0}.s3-history-row span{min-width:0}.s3-history-row small{display:block;color:var(--s3-muted);font-size:.76rem;margin-top:4px}.s3-history-row>strong{white-space:nowrap;color:var(--s3-primary)}.s3-notes p+p{margin-top:13px}.s3-settings h2:not(:first-child){margin-top:22px}.s3-settings .s3-field{margin-bottom:14px}.s3-settings-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}
.s3-modal-backdrop{position:fixed;inset:0;z-index:99999;background:#071225a8;display:flex;align-items:center;justify-content:center;padding:16px}.s3-modal{background:var(--s3-card);color:var(--s3-text);width:100%;max-width:440px;border-radius:20px;padding:24px;box-shadow:0 18px 60px #0003}.s3-modal h2{margin-bottom:12px}.s3-modal p{font-size:.91rem;color:var(--s3-muted)}.s3-modal .s3-result-stats{grid-template-columns:repeat(2,1fr);margin-top:17px}.s3-modal-actions{display:flex;gap:10px;margin-top:20px}.s3-modal-actions>*{flex:1}
.s3-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#172033;color:#fff;padding:12px 18px;border-radius:12px;z-index:100000;max-width:min(90vw,460px);font-size:.86rem;box-shadow:0 10px 30px #0003;text-align:center}
.s3-bottom-nav{display:none}.sanai3 .s3-bottom-nav button{border:0;background:transparent;color:var(--s3-muted)}
@media(max-width:640px){
.sanai3{padding:0 13px 100px;min-height:400px}.sanai3 .s3-header{padding:11px 0;margin-bottom:17px}.s3-brand img{width:36px;height:36px}.s3-brand strong{font-size:.98rem}.s3-brand small{font-size:.67rem}.s3-hero{padding:3px 0 18px}.s3-feature-grid{gap:10px}.s3-feature{padding:17px 13px;min-height:142px}.s3-feature-icon{width:40px;height:40px;font-size:1.3rem}.s3-feature strong{font-size:.93rem}.s3-feature small{font-size:.73rem}.s3-resume{flex-direction:column;align-items:stretch}.s3-resume .s3-primary{width:100%}.s3-subject-grid,.s3-action-stack{grid-template-columns:1fr}.s3-action-stack .s3-feature{min-height:0;display:grid;grid-template-columns:44px 1fr;column-gap:12px;row-gap:3px;padding:14px}.s3-action-stack .s3-feature-icon{grid-row:span 2;margin:0}.s3-action-stack .s3-feature small{grid-column:2}.s3-subject-card{padding:13px}.s3-setup,.s3-review{padding:16px}.s3-form-grid{grid-template-columns:1fr;gap:13px}.s3-question-card{padding:18px 14px;margin-top:15px}.s3-question-card h2{font-size:1.04rem}.s3-options{gap:9px}.sanai3 .s3-option{padding:12px;gap:10px}.s3-runner-head strong{font-size:.78rem}.s3-timer{font-size:.75rem;padding:6px}.s3-runner-actions{gap:6px}.s3-runner-actions .s3-primary,.s3-runner-actions .s3-secondary{padding:10px 5px;font-size:.76rem;min-height:44px}.s3-palette-grid{grid-template-columns:repeat(5,minmax(0,1fr))}.s3-result-hero{padding:23px 12px}.s3-result-hero h1{font-size:2.7rem}.s3-result-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.s3-result-actions{grid-template-columns:1fr}.s3-bottom-nav{position:fixed;z-index:9997;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);background:var(--s3-card);border-top:1px solid var(--s3-line);padding:6px max(7px,env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(7px,env(safe-area-inset-left));box-shadow:0 -3px 15px #00000009}.sanai3 .s3-bottom-nav button{min-height:49px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:1px;border-radius:11px;font-size:1.3rem}.s3-bottom-nav small{font-size:.66rem;font-weight:650}.s3-bottom-nav button.active{color:var(--s3-primary);background:var(--s3-primary-soft)}.s3-toast{bottom:90px}.s3-modal{padding:20px}
}
@media(max-width:360px){.s3-brand small{display:none}.s3-lang-select{max-width:86px}.s3-feature{padding:14px 10px}.s3-feature strong{font-size:.88rem}.s3-feature small{font-size:.7rem}.s3-small-stats span{font-size:.62rem}.s3-question-tools{flex-direction:column}.s3-question-tools button{width:100%;text-align:left}}
@media(prefers-reduced-motion:reduce){.sanai3 *{animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media print{.sanai3{background:#fff;color:#111;padding:0;max-width:none}.s3-header,.s3-bottom-nav,.s3-result-actions,.s3-backbar,.s3-modal-backdrop,.s3-toast,.s3-hint{display:none!important}.s3-panel,.s3-result-hero,.s3-result-stats>div{break-inside:avoid;border-color:#ddd;box-shadow:none}.s3-main{max-width:none}body{background:#fff!important}}
/* WordPress admin: scoped, non-intrusive controls. */
.sanai3-admin{max-width:1280px}.sanai3-admin .s3-admin-nav{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 22px}.sanai3-admin .s3-admin-panel{background:#fff;border:1px solid #dcdcde;border-radius:10px;padding:20px;margin:18px 0}.sanai3-admin .s3-admin-panel h2{margin-top:0}.sanai3-admin .s3-admin-form{max-width:900px;display:grid;gap:14px}.sanai3-admin .s3-admin-form label{display:grid;gap:5px;font-weight:600}.sanai3-admin .s3-admin-form label:has(input[type=checkbox]){display:flex;align-items:center;gap:8px}.sanai3-admin .s3-admin-form input:not([type=checkbox]),.sanai3-admin .s3-admin-form select,.sanai3-admin .s3-admin-form textarea{width:100%;max-width:100%;padding:8px;box-sizing:border-box}.sanai3-admin .s3-admin-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.sanai3-admin .s3-admin-filter{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.sanai3-admin .s3-admin-filter select,.sanai3-admin .s3-admin-filter input{max-width:260px}.sanai3-admin .s3-table-scroll{overflow:auto;max-width:100%}.sanai3-admin .widefat{min-width:720px}.sanai3-admin .widefat td{vertical-align:top}.sanai3-admin .widefat th{font-weight:700}.sanai3-admin .s3-admin-progress{height:10px;background:#e2e8f0;border-radius:99px;overflow:hidden;margin:10px 0}.sanai3-admin .s3-admin-progress>span{display:block;height:100%;background:#2155d6;transition:width .2s}.sanai3-admin .s3-admin-status{padding:12px 14px;border:1px solid #cbd5e1;background:#f8fafc;border-radius:8px;margin:12px 0}.sanai3-admin .s3-admin-error{border-color:#e5a2a2;background:#fff1f2}.sanai3-admin .s3-admin-success{border-color:#a7d7b0;background:#f0fdf4}.sanai3-admin .s3-admin-counts{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:9px;margin:15px 0}.sanai3-admin .s3-admin-counts>div{border:1px solid #dcdcde;border-radius:9px;padding:12px;background:#fafafa}.sanai3-admin .s3-admin-counts strong{display:block;font-size:1.3rem}.sanai3-admin .s3-admin-counts span{font-size:12px;color:#64748b}.sanai3-admin #s3-import-form>label{display:grid;gap:9px}.sanai3-admin #s3-import-form input[type=file]{max-width:100%}.sanai3-admin #s3-import-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}
@media(max-width:780px){.sanai3-admin .s3-admin-two{grid-template-columns:1fr}.sanai3-admin .s3-admin-panel{padding:14px}.sanai3-admin .s3-admin-filter>*{max-width:100%;flex:1 1 145px}}

.sanai3 .s3-finish-row{text-align:center;margin:12px 0 4px}.sanai3 .s3-finish-link{min-height:44px;padding:8px 16px;color:var(--s3-muted,#64748b)}

/* v3.0.1 — compact topic availability feedback. */
.sanai3 .s3-topic-availability{grid-column:1/-1;padding:12px 14px;border-radius:12px;background:var(--s3-soft,#f1f5f9);color:inherit;font-size:14px;line-height:1.5}.sanai3 .s3-topic-availability strong{font-size:17px}.sanai3 .s3-topic-availability small{display:block;margin-top:3px;opacity:.75}

/* v3.1.0 — compact, accessible growth and referral UI. */
.sanai3{max-width:1120px;padding-bottom:100px}
.sanai3 .s3-header{padding:12px 0;margin-bottom:16px}
.sanai3 .s3-header-actions{min-width:0;gap:6px}
.sanai3 .s3-header-actions svg{display:block;flex:none}
.sanai3 .s3-hero{padding:2px 0 16px}
.sanai3 .s3-eyebrow{margin-bottom:5px}
.sanai3 .s3-hero p{margin-top:6px}
.sanai3 .s3-language-summary{margin-bottom:14px}
.sanai3 .s3-feature-grid,.sanai3 .s3-action-stack{gap:10px}
.sanai3 .s3-feature{min-height:140px;padding:17px 15px}
.sanai3 .s3-action-stack .s3-feature{min-height:120px}
.sanai3 .s3-feature-icon{width:40px;height:40px;margin-bottom:2px}
.sanai3 .s3-backbar{margin-bottom:16px}
.sanai3 .s3-subject-card{padding:13px 14px}
.sanai3 .s3-subject-hero{margin-bottom:16px}
.sanai3 .s3-small-stats{margin:16px 0}
.sanai3 .s3-hint{margin:14px 0}
.sanai3 .s3-growth-actions{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}
.sanai3 .s3-growth-actions>*{flex:1 1 150px;min-width:0}
.sanai3 .s3-growth-actions svg{width:20px;height:20px;flex:none}
.sanai3 .s3-growth-card{display:flex;align-items:center;gap:13px;background:var(--s3-card);border:1px solid var(--s3-line);border-radius:15px;padding:14px;margin:12px 0;color:var(--s3-text)}
.sanai3 .s3-growth-card>div{flex:1;min-width:0}
.sanai3 .s3-growth-card strong{display:block;font-size:.94rem}
.sanai3 .s3-growth-card p{font-size:.78rem;color:var(--s3-muted);margin-top:3px}
.sanai3 .s3-growth-symbol,.sanai3 .s3-growth-title>span{display:flex;align-items:center;justify-content:center;width:42px;height:42px;flex:none;border-radius:12px;background:var(--s3-primary-soft);color:var(--s3-primary)}
.sanai3 .s3-home-help{text-align:center;margin:3px 0}
.sanai3 .s3-home-help .s3-link{display:inline-flex;align-items:center;gap:7px;white-space:normal}
.sanai3 .s3-invite-banner{border:1px solid var(--s3-line);border-radius:15px;background:var(--s3-card);padding:15px;margin-bottom:15px}
.sanai3 .s3-invite-banner>div:first-child{display:flex;gap:9px;align-items:center;color:var(--s3-primary)}
.sanai3 .s3-invite-banner p{color:var(--s3-muted);font-size:.8rem;margin-top:8px}
.sanai3 .s3-growth-page{display:grid;gap:15px}
.sanai3 .s3-growth-title{display:flex;align-items:center;gap:12px}
.sanai3 .s3-growth-title>div{min-width:0}
.sanai3 .s3-growth-title .s3-muted{margin-top:4px}
.sanai3 .s3-growth-page h3{font-size:1rem;margin-top:8px}
.sanai3 .s3-copy-field{font-size:.82rem;overflow:hidden;text-overflow:ellipsis}
.sanai3 .s3-account-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}
.sanai3 .s3-account-actions>a{flex:1 1 140px;min-width:0}
.sanai3 .s3-badges{display:flex;gap:8px;flex-wrap:wrap}
.sanai3 .s3-badge{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--s3-line);background:var(--s3-primary-soft);color:var(--s3-primary);padding:7px 12px;border-radius:999px;font-weight:700;font-size:.84rem}
.sanai3 .s3-success-note{padding:12px 14px;border-radius:12px;background:var(--s3-success-bg);color:var(--s3-success);font-size:.87rem}
.sanai3 .s3-help-list{display:grid;gap:10px;margin:17px 0}
.sanai3 .s3-help-list details{border:1px solid var(--s3-line);border-radius:12px;padding:13px 14px;background:var(--s3-bg)}
.sanai3 .s3-help-list summary{cursor:pointer;font-weight:650;line-height:1.5}
.sanai3 .s3-help-list p{color:var(--s3-muted);font-size:.87rem;margin-top:10px}
.sanai3 .s3-feedback-form{display:grid;gap:15px;margin-top:16px}
.sanai3 .s3-feedback-form textarea{width:100%;min-height:135px;resize:vertical;border:1px solid var(--s3-line);border-radius:11px;background:var(--s3-bg);color:var(--s3-text);padding:11px 12px}
.sanai3 .s3-feedback-error{color:var(--s3-danger);font-size:.85rem}
.sanai3 .s3-feedback-error:empty{display:none}
.sanai3 .s3-share-menu{display:grid;gap:9px;margin:18px 0}
.sanai3 .s3-share-menu button{width:100%;justify-content:flex-start}
.sanai3 .s3-modal .s3-field{margin:10px 0}
.sanai3 .s3-modal .s3-field input{font-size:.8rem}
.sanai3 .s3-modal{max-height:calc(100vh - 32px);overflow:auto}
.sanai3 .s3-panel{min-width:0}
.sanai3 .s3-backbar h2,.sanai3 .s3-growth-card p,.sanai3 .s3-invite-banner strong{overflow-wrap:anywhere}
.sanai3 .s3-question-tools{flex-wrap:wrap}
.sanai3 .s3-question-tools button{white-space:normal}
@media(max-width:600px){
 .sanai3{padding-left:10px;padding-right:10px;padding-bottom:92px}
 .sanai3 .s3-header{gap:7px}
 .sanai3 .s3-brand{gap:7px}
 .sanai3 .s3-brand img{width:35px;height:35px}
 .sanai3 .s3-brand strong{font-size:.98rem}
 .sanai3 .s3-brand small{font-size:.65rem}
 .sanai3 .s3-lang-select{max-width:90px;min-height:40px;padding:4px 5px}
 .sanai3 .s3-icon-btn{width:40px;height:40px}
 .sanai3 .s3-feature{min-height:126px;padding:14px 12px}
 .sanai3 .s3-feature strong{font-size:.94rem}
 .sanai3 .s3-feature small{font-size:.75rem}
 .sanai3 .s3-subject-grid{grid-template-columns:1fr}
 .sanai3 .s3-subject-card{min-height:72px;gap:12px}
 .sanai3 .s3-subject-icon{width:42px;height:42px}
 .sanai3 .s3-growth-actions>*{flex-basis:125px}
 .sanai3 .s3-growth-page{gap:12px}
 .sanai3 .s3-panel{padding:16px}
 .sanai3 .s3-growth-card{padding:12px}
 .sanai3 .s3-small-stats{gap:6px}
 .sanai3 .s3-small-stats>div{padding:10px 4px}
 .sanai3 .s3-small-stats span{font-size:.65rem}
}
@media(max-width:360px){
 .sanai3 .s3-brand small{display:none}
 .sanai3 .s3-lang-select{max-width:78px;font-size:.75rem}
 .sanai3 .s3-growth-actions{gap:7px}
 .sanai3 .s3-growth-actions .s3-primary,.sanai3 .s3-growth-actions .s3-secondary{padding:10px 8px;font-size:.81rem}
 .sanai3 .s3-growth-card{gap:9px}
 .sanai3 .s3-growth-symbol{width:36px;height:36px}
}
@media print{.sanai3 .s3-growth-card,.sanai3 .s3-growth-actions,.sanai3 .s3-invite-banner,.sanai3 .s3-home-help{display:none!important}}

/* v3.2 Study Hub ---------------------------------------------------------- */
.sanai3 .s3-learning-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
.sanai3 .s3-learning-grid .s3-feature{min-height:132px;}
.sanai3 .s3-mock-banner{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:14px 0;padding:14px 16px;border:1px solid var(--s3-border,#e5e7eb);border-radius:16px;background:var(--s3-card,#fff);box-shadow:0 8px 24px rgba(15,23,42,.06)}
.sanai3 .s3-mock-banner>div{display:flex;flex-direction:column;gap:4px}.sanai3 .s3-mock-banner small{opacity:.7}
.sanai3 .s3-study-resume{border-left:4px solid #7c3aed}
.sanai3 .s3-study-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:4px 0 14px;padding:16px;border-radius:18px;background:linear-gradient(135deg,rgba(37,99,235,.11),rgba(124,58,237,.10));border:1px solid rgba(99,102,241,.18)}
.sanai3 .s3-study-head>div:first-child{display:flex;align-items:center;gap:12px}.sanai3 .s3-study-head>div:first-child>span{font-size:34px}.sanai3 .s3-study-head h2{margin:0 0 3px}.sanai3 .s3-study-head p{margin:0;opacity:.72;font-size:13px}
.sanai3 .s3-study-progress{min-width:72px;text-align:center;padding:9px 10px;border-radius:14px;background:var(--s3-card,#fff)}.sanai3 .s3-study-progress strong{display:block;font-size:18px}.sanai3 .s3-study-progress span{font-size:11px;opacity:.65}
.sanai3 .s3-study-tabs{display:flex;gap:8px;overflow:auto;padding:2px 1px 10px;scrollbar-width:none}.sanai3 .s3-study-tabs::-webkit-scrollbar{display:none}
.sanai3 .s3-chip{flex:0 0 auto;border:1px solid var(--s3-border,#dbe3ef);background:var(--s3-card,#fff);padding:9px 14px;border-radius:999px;font-weight:700}.sanai3 .s3-chip.active{background:#1d4ed8;color:#fff;border-color:#1d4ed8}
.sanai3 .s3-study-list{display:grid;gap:10px}.sanai3 .s3-study-card{width:100%;display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:12px;text-align:left;padding:13px 14px;border:1px solid var(--s3-border,#e2e8f0);border-radius:16px;background:var(--s3-card,#fff);color:inherit;box-shadow:0 4px 14px rgba(15,23,42,.04)}
.sanai3 .s3-study-number{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:rgba(37,99,235,.10);font-weight:800;color:#1d4ed8}.sanai3 .s3-study-card-copy{min-width:0;display:flex;flex-direction:column;gap:4px}.sanai3 .s3-study-card-copy strong{font-size:15px}.sanai3 .s3-study-card-copy small{font-size:12px;opacity:.67}.sanai3 .s3-study-card-status{font-size:18px;font-weight:800}
.sanai3 .s3-study-detail{display:grid;gap:12px}.sanai3 .s3-study-topic-title{display:flex;gap:12px;align-items:flex-start;padding:8px 2px}.sanai3 .s3-study-topic-title>span{font-size:36px}.sanai3 .s3-study-topic-title small{opacity:.62}.sanai3 .s3-study-topic-title h1{margin:3px 0 0;font-size:24px;line-height:1.2}
.sanai3 .s3-study-toolbar{display:flex;gap:8px;flex-wrap:wrap}.sanai3 .s3-study-toolbar button{flex:1 1 130px}
.sanai3 .s3-study-notes p{font-size:16px;line-height:1.75}.sanai3 .s3-keypoints{display:grid;gap:9px;margin:8px 0 0;padding-left:22px}.sanai3 .s3-keypoints li{line-height:1.55}
.sanai3 .s3-video-wrap{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:14px;background:#0f172a}.sanai3 .s3-video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.sanai3 .s3-video-empty{border-style:dashed}
.sanai3 .s3-study-actions{display:grid;gap:9px;margin:4px 0 8px}.sanai3 .s3-study-progress-panel{background:linear-gradient(135deg,rgba(16,185,129,.08),rgba(59,130,246,.08))}
@media (max-width:520px){.sanai3 .s3-learning-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.sanai3 .s3-learning-grid .s3-feature{min-height:122px;padding:14px 11px}.sanai3 .s3-learning-grid .s3-feature strong{font-size:14px}.sanai3 .s3-learning-grid .s3-feature small{font-size:11px}.sanai3 .s3-study-head{align-items:flex-start}.sanai3 .s3-study-progress{min-width:62px}.sanai3 .s3-mock-banner{align-items:flex-start;flex-direction:column}.sanai3 .s3-mock-banner button{width:100%}}

/* v3.3 Smart Planner + Premium Notes -------------------------------------- */
.sanai3 .s3-countdown-card{display:flex;align-items:center;gap:12px;margin:0 0 14px;padding:14px 15px;border:1px solid rgba(37,99,235,.18);border-radius:17px;background:linear-gradient(135deg,rgba(37,99,235,.10),rgba(124,58,237,.08));box-shadow:0 8px 24px rgba(15,23,42,.04)}
.sanai3 .s3-countdown-icon{font-size:1.55rem}.sanai3 .s3-countdown-card>div:nth-child(2){min-width:0;flex:1}.sanai3 .s3-countdown-card small{display:block;color:var(--s3-muted);font-size:.72rem}.sanai3 .s3-countdown-card strong{display:block;font-size:1.15rem;line-height:1.25}.sanai3 .s3-countdown-card p{margin-top:3px;color:var(--s3-muted);font-size:.72rem;line-height:1.4}.sanai3 .s3-countdown-ring{width:58px;height:58px;flex:none;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column;background:var(--s3-card);border:4px solid rgba(37,99,235,.18);box-shadow:0 3px 10px #0000000a}.sanai3 .s3-countdown-ring b{font-size:1.05rem;line-height:1}.sanai3 .s3-countdown-ring small{font-size:.58rem;margin-top:3px}
.sanai3 .s3-daily-plan{margin:0 0 16px;border-color:rgba(22,128,60,.18);background:linear-gradient(180deg,var(--s3-card),rgba(22,128,60,.035))}.sanai3 .s3-daily-plan-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.sanai3 .s3-daily-plan-head>div{min-width:0}.sanai3 .s3-daily-plan-head>div>span{color:var(--s3-primary);font-size:.72rem;font-weight:850;text-transform:uppercase;letter-spacing:.05em}.sanai3 .s3-daily-plan-head h2{margin-top:3px}.sanai3 .s3-daily-plan-head p{margin-top:3px;color:var(--s3-muted);font-size:.78rem}.sanai3 .s3-alert-state{font-size:1.35rem;flex:none}.sanai3 .s3-plan-progress{height:8px;background:var(--s3-line);border-radius:999px;overflow:hidden;margin:12px 0}.sanai3 .s3-plan-progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#16a34a,#2563eb)}.sanai3 .s3-plan-meta{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:10px}.sanai3 .s3-plan-meta span{padding:5px 8px;border-radius:999px;background:var(--s3-bg);border:1px solid var(--s3-line);font-size:.68rem;font-weight:700}.sanai3 .s3-plan-tasks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin:10px 0}.sanai3 .s3-plan-tasks>div{display:flex;flex-direction:column;align-items:center;text-align:center;gap:3px;padding:8px 4px;border:1px solid var(--s3-line);border-radius:11px;background:var(--s3-bg);min-width:0}.sanai3 .s3-plan-tasks b{font-size:1.05rem}.sanai3 .s3-plan-tasks span{font-size:.61rem;line-height:1.25;color:var(--s3-muted);overflow-wrap:anywhere}.sanai3 .s3-plan-tasks strong{font-size:.7rem}.sanai3 .s3-plan-note{display:block;margin-top:9px;color:var(--s3-muted);font-size:.63rem;line-height:1.45}.sanai3 .s3-weekly-mock{padding:9px 11px;margin:10px 0;border-radius:10px;background:var(--s3-primary-soft);color:var(--s3-primary);font-weight:800;font-size:.75rem}
.sanai3 .s3-feature-coming{position:relative;opacity:.88;cursor:default;border-style:dashed;background:linear-gradient(180deg,var(--s3-card),rgba(148,163,184,.05))}.sanai3 .s3-feature-coming:hover{transform:none;border-color:var(--s3-line)}.sanai3 .s3-coming-badge{position:absolute;top:10px;right:10px;padding:4px 7px;border-radius:999px;background:#fff4d7;color:#7a4d00;font-size:.58rem;font-weight:900}.sanai3[data-theme=dark] .s3-coming-badge{background:#4b3c1a;color:#ffe6a0}
.sanai3 .s3-coming-panel{display:flex;align-items:flex-start;gap:12px;padding:15px;border:1px dashed var(--s3-line);border-radius:16px;background:linear-gradient(135deg,rgba(245,158,11,.07),rgba(37,99,235,.04));margin:6px 0 14px}.sanai3 .s3-coming-panel>span{font-size:1.6rem;flex:none}.sanai3 .s3-coming-panel strong{display:block}.sanai3 .s3-coming-panel p{margin-top:4px;color:var(--s3-muted);font-size:.78rem;line-height:1.55}
.sanai3 .s3-premium-topic{padding:15px;border:1px solid var(--s3-line);border-radius:18px;background:linear-gradient(135deg,rgba(37,99,235,.08),rgba(124,58,237,.06))}.sanai3 .s3-topic-meta{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}.sanai3 .s3-topic-meta span{display:inline-flex;align-items:center;padding:5px 8px;border-radius:999px;background:var(--s3-card);border:1px solid var(--s3-line);font-size:.68rem;font-weight:700}.sanai3 .s3-topic-meta .done{color:var(--s3-success);background:var(--s3-success-bg)}
.sanai3 .s3-note-section{position:relative;overflow:hidden}.sanai3 .s3-note-section h2{display:flex;align-items:center;gap:9px;margin-bottom:10px}.sanai3 .s3-note-section h2>span{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:var(--s3-primary-soft);font-size:1rem;flex:none}.sanai3 .s3-note-section p{font-size:.93rem;line-height:1.8;margin-top:8px}.sanai3 .s3-note-lead{font-weight:650;color:var(--s3-text)}.sanai3 .s3-learn-box{border-left:4px solid #2563eb}.sanai3 .s3-concept-box{border-left:4px solid #7c3aed}.sanai3 .s3-example-box{border-left:4px solid #f59e0b;background:linear-gradient(180deg,var(--s3-card),rgba(245,158,11,.035))}.sanai3 .s3-exam-box{border-left:4px solid #ef4444;background:linear-gradient(180deg,var(--s3-card),rgba(239,68,68,.035))}.sanai3 .s3-memory-box{border-left:4px solid #8b5cf6}.sanai3 .s3-trap-box{border-left:4px solid #f97316}.sanai3 .s3-oneliner-box{border-left:4px solid #0ea5e9}.sanai3 .s3-revision-box{border-left:4px solid #16a34a;background:linear-gradient(180deg,var(--s3-card),rgba(22,163,74,.04))}.sanai3 .s3-study-nav{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:2px}.sanai3 .s3-study-nav>span{display:block}.sanai3 .s3-video-status{margin-top:0}
.sanai3 .s3-first-install{max-width:500px}.sanai3 .s3-onboarding{max-width:520px}.sanai3 .s3-onboarding-logo{display:flex;align-items:center;gap:13px;margin-bottom:15px}.sanai3 .s3-onboarding-logo img{width:58px;height:58px;border-radius:16px;object-fit:contain}.sanai3 .s3-onboarding-logo h2{margin:0 0 5px}.sanai3 .s3-first-benefits{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:13px 0}.sanai3 .s3-first-benefits span{padding:10px;border:1px solid var(--s3-line);border-radius:11px;background:var(--s3-bg);font-size:.75rem;font-weight:700}.sanai3 .s3-onboarding .s3-form-grid{margin-top:12px}
@media(max-width:520px){.sanai3 .s3-plan-tasks{grid-template-columns:repeat(2,minmax(0,1fr))}.sanai3 .s3-countdown-card{align-items:flex-start}.sanai3 .s3-countdown-ring{width:52px;height:52px}.sanai3 .s3-study-nav{grid-template-columns:1fr}.sanai3 .s3-study-nav>span:empty{display:none}.sanai3 .s3-premium-topic{padding:13px}.sanai3 .s3-topic-meta span{font-size:.62rem}.sanai3 .s3-onboarding-logo{align-items:flex-start}.sanai3 .s3-modal.s3-onboarding,.sanai3 .s3-modal.s3-first-install{padding:18px}.sanai3 .s3-first-benefits{grid-template-columns:1fr}.sanai3 .s3-countdown-card p{font-size:.67rem}}
@media print{.sanai3 .s3-daily-plan,.sanai3 .s3-countdown-card,.sanai3 .s3-coming-panel,.sanai3 .s3-study-toolbar,.sanai3 .s3-study-actions,.sanai3 .s3-study-nav{display:none!important}}

/* v3.4 Guided browser → install → tour → planner onboarding ---------------- */
.sanai3 .s3-external-backdrop{background:linear-gradient(160deg,#071b4a 0%,#0b3c91 58%,#155eef 100%);padding:max(18px,env(safe-area-inset-top)) 18px max(18px,env(safe-area-inset-bottom));z-index:1000000}
.sanai3 .s3-external-browser{max-width:470px;border-radius:26px;padding:25px;background:#fff;color:#172033;box-shadow:0 28px 80px rgba(0,0,0,.28);overflow:visible}
.sanai3 .s3-external-browser .s3-onboarding-logo{margin-bottom:18px}.sanai3 .s3-external-browser .s3-onboarding-logo img{width:64px;height:64px;border-radius:18px;box-shadow:0 8px 22px rgba(21,94,239,.16)}
.sanai3 .s3-external-browser h2{font-size:1.45rem;line-height:1.18;margin:0 0 6px}.sanai3 .s3-external-browser p{line-height:1.55}
.sanai3 .s3-browser-benefits{display:grid;gap:8px;margin:17px 0}.sanai3 .s3-browser-benefits span{display:flex;align-items:center;min-height:43px;padding:10px 12px;border:1px solid #e4eaf4;border-radius:13px;background:#f7f9fd;font-size:.8rem;font-weight:800;color:#24314b}
.sanai3 .s3-open-chrome{width:100%;min-height:53px;font-size:.96rem;margin-top:4px;box-shadow:0 9px 22px rgba(21,94,239,.23)}.sanai3 .s3-browser-help{display:block;margin-top:13px;font-size:.69rem;line-height:1.5;color:#69758b;text-align:center}
.sanai3 .s3-feature-tour{max-width:470px;text-align:center;padding:23px 22px 21px}.sanai3 .s3-tour-top{display:flex;align-items:center;justify-content:space-between;text-align:left;gap:12px;margin-bottom:14px}.sanai3 .s3-tour-top img{width:44px;height:44px;border-radius:13px}.sanai3 .s3-tour-top>div{flex:1;display:flex;align-items:center;justify-content:space-between;gap:8px}.sanai3 .s3-tour-top small{font-weight:800;color:var(--s3-muted)}.sanai3 .s3-tour-top strong{padding:5px 8px;border-radius:999px;background:var(--s3-primary-soft);color:var(--s3-primary);font-size:.68rem}
.sanai3 .s3-tour-visual{width:90px;height:90px;margin:10px auto 16px;border-radius:26px;display:grid;place-items:center;font-size:2.7rem;background:linear-gradient(135deg,rgba(21,94,239,.14),rgba(124,58,237,.12));box-shadow:inset 0 0 0 1px rgba(21,94,239,.08)}.sanai3 .s3-feature-tour h2{font-size:1.25rem;margin:0 0 9px}.sanai3 .s3-feature-tour>p{min-height:64px;line-height:1.62;font-size:.86rem}
.sanai3 .s3-tour-dots{display:flex;justify-content:center;gap:6px;margin:16px 0 3px}.sanai3 .s3-tour-dots span{width:7px;height:7px;border-radius:99px;background:var(--s3-line);transition:.2s}.sanai3 .s3-tour-dots span.active{width:22px;background:var(--s3-primary)}
.sanai3 .s3-explore-banner{display:flex;align-items:center;justify-content:space-between;gap:13px;margin:0 0 14px;padding:13px 14px;border-color:rgba(124,58,237,.2);background:linear-gradient(135deg,rgba(124,58,237,.08),rgba(21,94,239,.05))}.sanai3 .s3-explore-banner>div{display:flex;align-items:flex-start;gap:10px;min-width:0}.sanai3 .s3-explore-banner>div>span{font-size:1.4rem;flex:none}.sanai3 .s3-explore-banner strong{display:block;font-size:.84rem}.sanai3 .s3-explore-banner p{margin-top:3px;font-size:.68rem;line-height:1.45;color:var(--s3-muted)}.sanai3 .s3-explore-banner>button{flex:none;white-space:nowrap;font-size:.7rem;padding:9px 10px}
@media(max-width:520px){.sanai3 .s3-external-backdrop{padding:12px}.sanai3 .s3-external-browser{padding:20px 18px;border-radius:22px}.sanai3 .s3-external-browser .s3-onboarding-logo img{width:56px;height:56px}.sanai3 .s3-external-browser h2{font-size:1.25rem}.sanai3 .s3-browser-benefits span{font-size:.74rem;min-height:40px}.sanai3 .s3-feature-tour{padding:19px 17px}.sanai3 .s3-tour-visual{width:82px;height:82px;font-size:2.35rem}.sanai3 .s3-feature-tour>p{min-height:76px}.sanai3 .s3-explore-banner{align-items:stretch;flex-direction:column}.sanai3 .s3-explore-banner>button{width:100%}}

/* v3.5 Complete CDP Premium Subject + Audio Classroom ---------------------- */
.sanai3 .s3-cdp-ready{display:flex;align-items:center;gap:11px;margin:0 0 12px;padding:12px 14px;border:1px solid rgba(22,163,74,.20);border-radius:15px;background:linear-gradient(135deg,rgba(22,163,74,.09),rgba(37,99,235,.05))}.sanai3 .s3-cdp-ready>span{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:rgba(22,163,74,.12);font-size:1.1rem;flex:none}.sanai3 .s3-cdp-ready strong{display:block;font-size:.88rem}.sanai3 .s3-cdp-ready small{display:block;margin-top:2px;color:var(--s3-muted);font-size:.69rem;line-height:1.4}
.sanai3 .s3-audio-classroom{border:1px solid rgba(124,58,237,.20);border-left:4px solid #7c3aed;background:linear-gradient(145deg,var(--s3-card),rgba(124,58,237,.045));overflow:hidden}.sanai3 .s3-audio-head{display:flex;align-items:flex-start;gap:11px}.sanai3 .s3-audio-head>span{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:rgba(124,58,237,.11);font-size:1.25rem;flex:none}.sanai3 .s3-audio-head h2{margin:0;font-size:1rem}.sanai3 .s3-audio-head p{margin:4px 0 0;color:var(--s3-muted);font-size:.74rem;line-height:1.5}.sanai3 .s3-audio-controls{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:7px;margin-top:13px}.sanai3 .s3-audio-controls button{min-height:42px}.sanai3 .s3-audio-speed{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:10px}.sanai3 .s3-audio-speed>small{margin-right:2px;color:var(--s3-muted);font-weight:700}.sanai3 .s3-speed{border:1px solid var(--s3-line);background:var(--s3-bg);color:var(--s3-text);padding:6px 9px;border-radius:999px;font-size:.68rem;font-weight:800}.sanai3 .s3-speed.active{background:var(--s3-primary);border-color:var(--s3-primary);color:#fff}.sanai3 .s3-device-voice{display:block;margin-top:9px;color:var(--s3-muted);font-size:.64rem;line-height:1.45}.sanai3 .s3-native-audio{display:block;width:100%;margin-top:13px;min-height:42px}.sanai3 .s3-selfcheck-box{border-left:4px solid #0891b2;background:linear-gradient(180deg,var(--s3-card),rgba(8,145,178,.035))}.sanai3 .s3-self-check{display:grid;gap:8px;margin:10px 0 0;padding-left:22px}.sanai3 .s3-self-check li{font-size:.88rem;line-height:1.55}.sanai3 .s3-study-card-copy small{line-height:1.45}
@media(max-width:520px){.sanai3 .s3-audio-controls{grid-template-columns:1fr 1fr}.sanai3 .s3-audio-controls .s3-primary{grid-column:1/-1}.sanai3 .s3-audio-speed{gap:5px}.sanai3 .s3-speed{padding:6px 8px}}
@media print{.sanai3 .s3-audio-classroom,.sanai3 .s3-cdp-ready{display:none!important}}

/* v3.6.0 — Premium subject pack switcher */
.sanai3 .s3-study-subject-tabs{display:flex;gap:8px;overflow-x:auto;padding:2px 0 10px;scrollbar-width:none}.sanai3 .s3-study-subject-tabs::-webkit-scrollbar{display:none}.sanai3 .s3-subject-chip{border:1px solid var(--s3-border);background:var(--s3-card);color:var(--s3-text);border-radius:999px;padding:9px 13px;font-weight:800;font-size:.78rem;white-space:nowrap;box-shadow:0 2px 7px rgba(15,23,42,.04)}.sanai3 .s3-subject-chip.active{border-color:rgba(21,94,239,.3);background:linear-gradient(135deg,rgba(21,94,239,.12),rgba(20,184,166,.08));color:var(--s3-primary)}

/* v3.9.0 — Simple Start / user-friendly guided home */
.sanai3 .s3-home-guide{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 4px 8px}.sanai3 .s3-home-guide h1{margin:3px 0 4px;font-size:clamp(1.25rem,5vw,1.7rem);line-height:1.2}.sanai3 .s3-home-guide p{margin:0;color:var(--s3-muted);font-size:.8rem;line-height:1.5;max-width:42rem}.sanai3 .s3-guide-arrow{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--s3-primary-soft);color:var(--s3-primary);font-weight:900;flex:none}.sanai3 .s3-start-here{border:2px solid rgba(37,99,235,.16);background:linear-gradient(145deg,var(--s3-card),rgba(37,99,235,.055));box-shadow:0 10px 28px rgba(15,23,42,.07)}.sanai3 .s3-start-kicker{display:inline-flex;align-items:center;gap:6px;padding:5px 9px;border-radius:999px;background:var(--s3-primary);color:#fff;font-weight:850;font-size:.7rem;margin-bottom:9px}.sanai3 .s3-start-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.sanai3 .s3-start-head h2{margin:0;font-size:1.12rem;line-height:1.28}.sanai3 .s3-start-head p{margin:5px 0 0;color:var(--s3-muted);font-size:.76rem;line-height:1.48}.sanai3 .s3-start-days{width:58px;height:58px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:17px;background:var(--s3-primary-soft);color:var(--s3-primary);flex:none}.sanai3 .s3-start-days strong{font-size:1.2rem;line-height:1}.sanai3 .s3-start-days small{font-size:.58rem;margin-top:3px}.sanai3 .s3-start-meta{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}.sanai3 .s3-start-meta span{padding:5px 8px;border:1px solid var(--s3-line);background:var(--s3-bg);border-radius:999px;font-size:.65rem;font-weight:750}.sanai3 .s3-simple-path{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin:11px 0}.sanai3 .s3-simple-path>div{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:3px;padding:9px 4px;border:1px solid var(--s3-line);border-radius:13px;background:var(--s3-card)}.sanai3 .s3-simple-path b{position:absolute;top:4px;left:5px;width:17px;height:17px;border-radius:50%;display:grid;place-items:center;background:var(--s3-primary-soft);color:var(--s3-primary);font-size:.56rem}.sanai3 .s3-simple-path span{font-size:1.05rem;margin-top:3px}.sanai3 .s3-simple-path small{font-size:.59rem;line-height:1.25;color:var(--s3-muted)}.sanai3 .s3-start-progress{font-size:.67rem;color:var(--s3-muted);margin:7px 0 11px;line-height:1.45}.sanai3 .s3-start-actions{display:grid;gap:4px}.sanai3 .s3-start-actions .s3-link{justify-self:center}.sanai3 .s3-simple-section{margin:14px 0}.sanai3 .s3-section-title{display:flex;align-items:center;justify-content:space-between;margin:0 2px 8px}.sanai3 .s3-section-title h2{font-size:.9rem;margin:0}.sanai3 .s3-simple-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.sanai3 .s3-simple-actions .s3-feature{min-height:116px;padding:13px;align-content:start}.sanai3 .s3-simple-actions .s3-feature-icon{font-size:1.35rem}.sanai3 .s3-simple-actions .s3-feature strong{font-size:.82rem}.sanai3 .s3-simple-actions .s3-feature small{font-size:.65rem;line-height:1.4}.sanai3 .s3-more-tools{margin:14px 0;border:1px solid var(--s3-line);border-radius:16px;background:var(--s3-card);overflow:hidden}.sanai3 .s3-more-tools>summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:36px 1fr auto;align-items:center;gap:9px;padding:12px 13px}.sanai3 .s3-more-tools>summary::-webkit-details-marker{display:none}.sanai3 .s3-more-tools>summary>span{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--s3-bg);font-weight:900}.sanai3 .s3-more-tools>summary div{display:flex;flex-direction:column;gap:2px}.sanai3 .s3-more-tools>summary strong{font-size:.82rem}.sanai3 .s3-more-tools>summary small{font-size:.63rem;color:var(--s3-muted);line-height:1.35}.sanai3 .s3-more-tools>summary>b{font-size:.72rem}.sanai3 .s3-more-tools[open]>summary{border-bottom:1px solid var(--s3-line)}.sanai3 .s3-more-tools-body{padding:12px}.sanai3 .s3-exam-setup-row{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 10px;border-radius:12px;background:var(--s3-bg);margin-bottom:9px}.sanai3 .s3-exam-setup-row>div{display:flex;flex-direction:column;gap:2px}.sanai3 .s3-exam-setup-row small{font-size:.6rem;color:var(--s3-muted)}.sanai3 .s3-exam-setup-row strong{font-size:.72rem}.sanai3 .s3-compact-tools{margin-top:9px}.sanai3 .s3-priority-resume{border-left:4px solid var(--s3-primary)}.sanai3 .s3-recommended-topic{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px;margin:10px 0 12px;border:1px solid rgba(22,163,74,.2);border-radius:16px;background:linear-gradient(145deg,var(--s3-card),rgba(22,163,74,.05))}.sanai3 .s3-recommended-topic>div{min-width:0}.sanai3 .s3-recommended-topic small{display:block;color:#15803d;font-weight:850;font-size:.62rem;text-transform:uppercase;letter-spacing:.04em}.sanai3 .s3-recommended-topic strong{display:block;margin-top:3px;font-size:.9rem}.sanai3 .s3-recommended-topic p{margin:4px 0 0;color:var(--s3-muted);font-size:.66rem;line-height:1.4}.sanai3 .s3-recommended-topic .s3-primary{flex:none;white-space:nowrap}.sanai3 .s3-bottom-nav button{min-width:0}.sanai3 .s3-bottom-nav small{font-size:.59rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:520px){.sanai3 .s3-simple-path{grid-template-columns:repeat(2,minmax(0,1fr))}.sanai3 .s3-recommended-topic{align-items:flex-start;flex-direction:column}.sanai3 .s3-recommended-topic .s3-primary{width:100%}.sanai3 .s3-home-guide{padding-top:8px}.sanai3 .s3-start-days{width:52px;height:52px}.sanai3 .s3-simple-actions{gap:8px}.sanai3 .s3-simple-actions .s3-feature{min-height:108px}.sanai3 .s3-more-tools-body .s3-feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}


/* v3.11 Smart Revision & Exam Practice ----------------------------------- */
.sanai3 .s3-revision-promo{width:100%;display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:12px;text-align:left;margin:12px 0 4px;padding:14px 15px;border:1px solid rgba(124,58,237,.2);border-radius:16px;background:linear-gradient(135deg,rgba(124,58,237,.09),rgba(37,99,235,.06));color:var(--s3-text);cursor:pointer}.sanai3 .s3-revision-promo>span{width:44px;height:44px;display:grid;place-items:center;border-radius:13px;background:var(--s3-card);font-size:1.35rem}.sanai3 .s3-revision-promo strong,.sanai3 .s3-revision-promo small{display:block}.sanai3 .s3-revision-promo small{margin-top:3px;color:var(--s3-muted);font-size:.73rem;line-height:1.35}.sanai3 .s3-revision-promo b{color:var(--s3-primary);font-size:.88rem;white-space:nowrap}
.sanai3 .s3-revision-hero{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px;border:1px solid rgba(37,99,235,.18);border-radius:18px;background:linear-gradient(135deg,rgba(37,99,235,.10),rgba(124,58,237,.09));margin-bottom:14px}.sanai3 .s3-revision-hero>div{display:flex;align-items:center;gap:12px}.sanai3 .s3-revision-hero>div>span{font-size:2rem}.sanai3 .s3-revision-hero h2{margin:0}.sanai3 .s3-revision-hero p{margin:3px 0 0;color:var(--s3-muted);font-size:.76rem;line-height:1.4}.sanai3 .s3-revision-hero>strong{font-size:1.25rem;color:var(--s3-primary);background:var(--s3-card);border:1px solid var(--s3-line);border-radius:999px;padding:9px 12px;white-space:nowrap}
.sanai3 .s3-revision-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0 16px}.sanai3 .s3-revision-card{display:flex;min-height:130px;flex-direction:column;align-items:flex-start;gap:7px;text-align:left;padding:15px;border:1px solid var(--s3-line);border-radius:16px;background:var(--s3-card);color:var(--s3-text);cursor:pointer}.sanai3 .s3-revision-card>span{font-size:1.45rem}.sanai3 .s3-revision-card strong{font-size:.94rem}.sanai3 .s3-revision-card small{color:var(--s3-muted);font-size:.72rem;line-height:1.4}.sanai3 .s3-revision-card:disabled{opacity:.55;cursor:default}
.sanai3 .s3-revision-summary{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin:8px 0 12px}.sanai3 .s3-revision-summary>div{padding:12px;text-align:center;border:1px solid var(--s3-line);border-radius:13px;background:var(--s3-bg)}.sanai3 .s3-revision-summary strong{display:block;font-size:1.35rem}.sanai3 .s3-revision-summary span{display:block;margin-top:3px;color:var(--s3-muted);font-size:.68rem}
.sanai3 .s3-weak-smart{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;border-bottom:1px solid var(--s3-line)}.sanai3 .s3-weak-smart:last-child{border-bottom:0}.sanai3 .s3-weak-smart>div{min-width:0}.sanai3 .s3-weak-smart strong,.sanai3 .s3-weak-smart small{display:block}.sanai3 .s3-weak-smart small{color:var(--s3-muted);margin-top:3px;font-size:.7rem}.sanai3 .s3-weak-smart button{flex:none}
.sanai3 .s3-readiness-list{display:grid;gap:12px}.sanai3 .s3-readiness-row{display:grid;grid-template-columns:minmax(110px,1.25fr) minmax(90px,1fr) 48px;align-items:center;gap:10px}.sanai3 .s3-readiness-row strong,.sanai3 .s3-readiness-row small{display:block}.sanai3 .s3-readiness-row strong{font-size:.82rem}.sanai3 .s3-readiness-row small{margin-top:2px;color:var(--s3-muted);font-size:.65rem}.sanai3 .s3-readiness-meter{height:8px;border-radius:99px;background:var(--s3-line);overflow:hidden}.sanai3 .s3-readiness-meter span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#f59e0b,#16a34a)}.sanai3 .s3-readiness-row>b{text-align:right;font-size:.78rem;color:var(--s3-primary)}
.sanai3 .s3-activity-week{height:150px;display:grid;grid-template-columns:repeat(7,1fr);align-items:end;gap:7px;padding-top:8px}.sanai3 .s3-activity-week>div{height:100%;display:grid;grid-template-rows:1fr auto auto;align-items:end;justify-items:center;gap:3px}.sanai3 .s3-activity-bar{height:100%;width:min(24px,70%);display:flex;align-items:flex-end;border-radius:999px;background:var(--s3-line);overflow:hidden}.sanai3 .s3-activity-bar i{display:block;width:100%;min-height:8px;border-radius:inherit;background:linear-gradient(180deg,#2563eb,#7c3aed)}.sanai3 .s3-activity-week b{font-size:.68rem}.sanai3 .s3-activity-week small{font-size:.62rem;color:var(--s3-muted)}
@media(max-width:520px){.sanai3 .s3-revision-grid{grid-template-columns:1fr 1fr;gap:8px}.sanai3 .s3-revision-card{min-height:118px;padding:13px}.sanai3 .s3-revision-hero{align-items:flex-start}.sanai3 .s3-revision-hero>strong{font-size:1rem}.sanai3 .s3-weak-smart{align-items:flex-start;flex-direction:column}.sanai3 .s3-weak-smart button{width:100%}.sanai3 .s3-readiness-row{grid-template-columns:1fr 75px 42px}.sanai3 .s3-readiness-row small{font-size:.6rem}.sanai3 .s3-activity-week{gap:4px}.sanai3 .s3-activity-bar{width:18px}}


/* v3.12 Professional polish ------------------------------------------------ */
.sanai3 .s3-study-search{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:8px;align-items:center;margin:12px 0}.sanai3 .s3-study-search input{width:100%;min-height:44px;border:1px solid var(--s3-line);border-radius:13px;background:var(--s3-card);color:var(--s3-text);padding:0 13px;font:inherit}.sanai3 .s3-study-search>button:not(.s3-link){min-height:44px;border:0;border-radius:13px;padding:0 13px;background:var(--s3-primary);color:#fff;font-weight:700}.sanai3 .s3-study-search .s3-link{white-space:nowrap}
.sanai3 .s3-alert-hero{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:16px;margin-bottom:12px;border:1px solid rgba(37,99,235,.18);border-radius:18px;background:linear-gradient(135deg,rgba(37,99,235,.09),rgba(124,58,237,.07))}.sanai3 .s3-alert-hero>div{display:flex;align-items:center;gap:12px}.sanai3 .s3-alert-hero>div>span{font-size:1.8rem}.sanai3 .s3-alert-hero h2{margin:0 0 3px}.sanai3 .s3-alert-hero p{margin:0;color:var(--s3-muted);font-size:.75rem;line-height:1.4}.sanai3 .s3-alert-hero>b{font-size:.68rem;border-radius:999px;padding:7px 9px;background:var(--s3-bg);border:1px solid var(--s3-line);white-space:nowrap}.sanai3 .s3-alert-hero>b.ok{color:#15803d}.sanai3 .s3-alert-hero>b.blocked{color:#b91c1c}.sanai3 .s3-alert-hero>b.ask{color:#b45309}.sanai3 .s3-alert-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--s3-line)}.sanai3 .s3-alert-row:last-child{border-bottom:0}.sanai3 .s3-alert-row>span{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:var(--s3-bg);font-size:1.15rem}.sanai3 .s3-alert-row small,.sanai3 .s3-alert-row strong{display:block}.sanai3 .s3-alert-row small{color:var(--s3-muted);font-size:.67rem;margin-bottom:3px}.sanai3 .s3-offline-banner{margin:0 0 10px;padding:10px 12px;border-radius:12px;border:1px solid rgba(217,119,6,.25);background:rgba(245,158,11,.10);font-size:.76rem;line-height:1.4}
@media(max-width:520px){.sanai3 .s3-study-search{grid-template-columns:minmax(0,1fr) auto}.sanai3 .s3-study-search .s3-link{grid-column:1/-1;justify-self:start}.sanai3 .s3-alert-hero{flex-direction:column}.sanai3 .s3-alert-hero>b{align-self:flex-start}.sanai3 .s3-settings-actions{gap:8px}.sanai3 .s3-settings-actions button{min-height:44px}}

/* v3.14.0 content/language polish */
.s3-topic-meta .s3-importance{color:#b7791f;font-weight:800;letter-spacing:.02em}
.s3-topic-meta .s3-importance::first-letter{letter-spacing:0}


/* v3.15.0 Teacher Audio Experience */
.s3-audio-progress{margin:14px 0 10px}.s3-audio-progress>div{height:8px;border-radius:999px;background:#e8edf7;overflow:hidden}.s3-audio-progress-fill{display:block;height:100%;width:0;background:linear-gradient(90deg,#2563eb,#7c3aed);transition:width .25s ease}.s3-audio-progress small{display:block;margin-top:7px;color:#64748b;font-weight:650}.s3-audio-chapters{display:flex;gap:8px;overflow-x:auto;padding:3px 0 10px;scrollbar-width:thin}.s3-audio-chapter{white-space:nowrap;border:1px solid #dbe3f0;background:#fff;border-radius:999px;padding:9px 12px;font-weight:700;color:#475569}.s3-audio-chapter.active{border-color:#2563eb;background:#eff6ff;color:#1d4ed8}.s3-audio-controls.compact{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px;margin-top:8px}.s3-audio-complete{margin-top:14px;border:1px solid #bbf7d0;background:#f0fdf4;border-radius:16px;padding:13px;display:grid;gap:7px}.s3-audio-complete strong{color:#166534}.s3-audio-complete span{color:#3f6212;font-size:.93rem}.s3-native-audio{width:100%;margin:8px 0 4px}@media(max-width:480px){.s3-audio-controls{grid-template-columns:1fr 1fr}.s3-audio-controls .s3-primary{grid-column:1/-1}.s3-audio-controls.compact{grid-template-columns:1fr 1fr}.s3-audio-controls.compact button:last-child:nth-child(odd){grid-column:1/-1}}


/* v3.18.0 Video Learning Experience */
.s3-video-learning{border:1px solid #dbeafe;background:linear-gradient(180deg,#fff,#f8fbff)}
.s3-video-learning-head{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}.s3-video-learning-head>span{font-size:30px}.s3-video-learning-head h2{margin:0 0 4px}.s3-video-learning-head p{margin:0;color:#667085}
.s3-video-choice-grid{display:grid;grid-template-columns:1fr;gap:14px}.s3-video-choice{border:1px solid #e5e7eb;border-radius:18px;padding:16px;background:#fff;display:grid;gap:10px}.s3-video-choice.done{border-color:#86efac;background:#f0fdf4}.s3-video-choice strong{font-size:18px}.s3-video-choice small{color:#667085;line-height:1.5}.s3-video-done{display:inline-flex;align-items:center;gap:6px;color:#15803d;font-weight:800}.s3-video-next{margin-top:14px;padding:14px;border-radius:16px;background:#eff6ff;display:grid;gap:10px}.s3-video-wrap{aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#111}.s3-video-wrap iframe{width:100%;height:100%;border:0;display:block}
@media(min-width:760px){.s3-video-choice-grid{grid-template-columns:1fr 1fr}}


/* v3.18.0 Full Mock / Previous Papers professional exam experience */
.s3-exam-ready-card{border:1px solid #c7d7ff;background:linear-gradient(135deg,#f7f9ff,#eef4ff);border-radius:22px;padding:18px;margin:16px 0}.s3-exam-ready-head{display:flex;gap:12px;align-items:center}.s3-exam-ready-head>span{font-size:32px}.s3-exam-ready-head strong{display:block;font-size:18px;color:#172033}.s3-exam-ready-head small{display:block;margin-top:3px;color:#64748b}.s3-exam-rules{margin-top:14px;display:grid;gap:7px}.s3-exam-rules p{margin:0;font-size:13px;color:#45546c}
.s3-exam-live{display:flex;justify-content:space-between;gap:12px;align-items:center;background:linear-gradient(135deg,#102a68,#235bdd);color:#fff;padding:12px 14px;border-radius:18px;margin:10px 0}.s3-exam-live small{display:block;opacity:.82}.s3-exam-live strong{font-size:14px}.s3-exam-kpis{display:flex;gap:10px}.s3-exam-kpis span{display:flex;flex-direction:column;align-items:center;font-size:10px;opacity:.92}.s3-exam-kpis b{font-size:16px;color:#fff}
.s3-exam-sections{display:flex;gap:8px;overflow-x:auto;padding:4px 1px 10px;scrollbar-width:none}.s3-exam-sections::-webkit-scrollbar{display:none}.s3-exam-sections button{min-width:max-content;border:1px solid #d9e1ef;background:#fff;border-radius:14px;padding:8px 11px;color:#526071}.s3-exam-sections button.active{border-color:#2563eb;background:#eef4ff;color:#174fc4}.s3-exam-sections strong{display:block;font-size:12px}.s3-exam-sections small{display:block;margin-top:2px;font-size:11px}
.s3-palette-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:10px 0 14px}.s3-palette-summary span{background:#f6f8fc;border-radius:12px;padding:8px;text-align:center;font-size:10px;color:#64748b}.s3-palette-summary b{display:block;color:#172033;font-size:16px}
.s3-exam-result-band{display:flex;align-items:center;gap:12px;border:1px solid #cddaff;background:linear-gradient(135deg,#f5f8ff,#eef4ff);padding:14px 16px;border-radius:20px;margin:14px 0}.s3-exam-result-band>span{font-size:30px}.s3-exam-result-band>div{flex:1}.s3-exam-result-band small,.s3-exam-result-band p{display:block;margin:0;color:#68758b;font-size:12px}.s3-exam-result-band strong{display:block;color:#172033;margin:2px 0}.s3-exam-result-band>b{font-size:22px;color:#1f5bd8}
.s3-prev-head{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}.s3-prev-head h2{margin-top:0}.s3-verified-pill{white-space:nowrap;background:#ecfdf3;color:#137a44;border:1px solid #b9efcf;border-radius:999px;padding:6px 9px;font-size:11px;font-weight:700}.s3-prev-note{background:#f8fafc;border-radius:14px;padding:10px 12px;color:#627084;font-size:12px}.s3-prev-row small{line-height:1.45}
@media(max-width:520px){.s3-exam-live{align-items:flex-start;flex-direction:column}.s3-exam-kpis{width:100%;justify-content:space-between}.s3-prev-head{flex-direction:column}.s3-verified-pill{align-self:flex-start}}

/* v3.18 Result Share Card */
.s3-result-share-preview{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid #dbeafe;background:linear-gradient(135deg,#eff6ff,#f5f3ff);border-radius:18px;margin:12px 0 6px}.s3-result-share-preview>span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:#16a34a;color:#fff;font-weight:900;font-size:22px}.s3-result-share-preview div{min-width:0}.s3-result-share-preview small{display:block;color:#64748b;font-weight:700}.s3-result-share-preview strong{display:block;color:#0f172a;font-size:22px;line-height:1.15}.s3-result-share-preview p{margin:3px 0 0;color:#475569;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.s3-share-menu{display:grid;grid-template-columns:1fr 1fr;gap:10px}.s3-share-menu .s3-primary,.s3-share-menu .s3-secondary{min-height:48px}.s3-share-menu .s3-primary:first-child{grid-column:1/-1}
@media(max-width:430px){.s3-share-menu{grid-template-columns:1fr}.s3-share-menu .s3-primary:first-child{grid-column:auto}}


/* v3.19.0 Performance + Low Data Mode */
.sanai3 .s3-performance-card{display:grid;gap:10px;padding:14px 16px;border:1px solid var(--s3-line);border-radius:18px;background:linear-gradient(135deg,var(--s3-card),rgba(21,94,239,.045));margin:12px 0}
.sanai3 .s3-performance-card>div:first-child{display:flex;gap:11px;align-items:center}.sanai3 .s3-performance-card>div:first-child>span{font-size:1.5rem}.sanai3 .s3-performance-card strong{display:block}.sanai3 .s3-performance-card small{display:block;color:var(--s3-muted);margin-top:2px;line-height:1.35}
.sanai3 .s3-performance-status{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.sanai3 .s3-performance-status b,.sanai3 .s3-performance-status span{font-size:.72rem;padding:5px 9px;border-radius:999px;background:rgba(148,163,184,.12)}.sanai3 .s3-performance-status span.active{background:rgba(16,185,129,.12);color:#047857}
.sanai3 .s3-update-ready{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:9px;border-top:1px solid var(--s3-line)}
.sanai3[data-low-data="1"] .s3-video-choice{background:linear-gradient(180deg,var(--s3-card),rgba(16,185,129,.035))}
.sanai3[data-low-data="1"] .s3-video-choice small:after{content:' · Data Saver';font-weight:800;color:#047857}
@supports (content-visibility:auto){.sanai3 .s3-panel:not(.s3-start-here),.sanai3 .s3-study-card,.sanai3 .s3-action-stack{content-visibility:auto;contain-intrinsic-size:auto 180px}}
@media(max-width:520px){.sanai3 .s3-performance-card{padding:12px}.sanai3 .s3-update-ready{align-items:flex-start;flex-direction:column}.sanai3 .s3-update-ready .s3-primary{width:100%}}

/* v3.23.0 CTET Mentor Smart Study Coach */
.sanai3 .s3-mentor-img{width:112px;height:126px;object-fit:cover;object-position:center top;border-radius:22px;border:1px solid rgba(37,99,235,.18);background:#eef5ff;box-shadow:0 10px 28px rgba(15,23,42,.10);flex:none}
.sanai3 .s3-mentor-modal{max-width:570px;overflow:auto}
.sanai3 .s3-mentor-hero{display:grid;grid-template-columns:118px 1fr;gap:15px;align-items:center;margin-bottom:14px}
.sanai3 .s3-mentor-hero.compact .s3-mentor-img{width:90px;height:102px}
.sanai3 .s3-mentor-hero.compact{grid-template-columns:96px 1fr}
.sanai3 .s3-mentor-bubble{position:relative;border:1px solid #dbeafe;background:linear-gradient(135deg,#f8fbff,#eef4ff);border-radius:20px;padding:15px 16px}
.sanai3 .s3-mentor-bubble:before{content:'';position:absolute;left:-10px;top:42%;width:18px;height:18px;background:#f4f8ff;border-left:1px solid #dbeafe;border-bottom:1px solid #dbeafe;transform:rotate(45deg)}
.sanai3 .s3-mentor-bubble>span,.sanai3 .s3-mentor-setup-head>div>span,.sanai3 .s3-mentor-label{display:inline-block;color:#1d4ed8;font-weight:850;font-size:.72rem;letter-spacing:.04em;text-transform:uppercase}
.sanai3 .s3-mentor-bubble h2,.sanai3 .s3-mentor-setup-head h2{margin:5px 0 6px;line-height:1.25}
.sanai3 .s3-mentor-bubble p,.sanai3 .s3-mentor-setup-head p{margin:0;color:var(--s3-muted);line-height:1.55}
.sanai3 .s3-mentor-message{border:1px solid var(--s3-line);background:var(--s3-card);border-radius:18px;padding:15px 16px;margin:12px 0 16px;line-height:1.65}
.sanai3 .s3-mentor-message p{margin:0 0 8px}.sanai3 .s3-mentor-message p:last-child{margin-bottom:0}
.sanai3 .s3-mentor-actions{display:grid;grid-template-columns:1fr;gap:9px}
.sanai3 .s3-mentor-actions button{min-height:50px}
.sanai3 .s3-mentor-setup-head{display:grid;grid-template-columns:100px 1fr;gap:14px;align-items:center;margin-bottom:14px}
.sanai3 .s3-mentor-setup-head .s3-mentor-img{width:94px;height:106px}
.sanai3 .s3-mentor-countdown{display:flex;align-items:center;gap:12px;padding:13px 15px;border-radius:17px;background:linear-gradient(135deg,#fff7ed,#fff);border:1px solid #fed7aa;margin:12px 0}
.sanai3 .s3-mentor-countdown>span{font-size:1.8rem}.sanai3 .s3-mentor-countdown small,.sanai3 .s3-mentor-countdown strong{display:block}.sanai3 .s3-mentor-countdown small{color:#9a5a16}.sanai3 .s3-mentor-countdown strong{font-size:1.35rem;color:#9a3412}
.sanai3 .s3-mentor-plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:12px 0}
.sanai3 .s3-mentor-plan-grid>div{display:grid;gap:4px;text-align:center;padding:12px 8px;border:1px solid var(--s3-line);background:var(--s3-bg);border-radius:15px}
.sanai3 .s3-mentor-plan-grid span{font-size:1.25rem}.sanai3 .s3-mentor-plan-grid small{font-size:.68rem;color:var(--s3-muted)}.sanai3 .s3-mentor-plan-grid strong{font-size:.9rem}
.sanai3 .s3-mentor-time{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:10px 0}.sanai3 .s3-mentor-time>div{padding:13px;border-radius:15px;background:#eff6ff;border:1px solid #bfdbfe}.sanai3 .s3-mentor-time small,.sanai3 .s3-mentor-time strong{display:block}.sanai3 .s3-mentor-time small{color:#475569;font-size:.7rem;margin-bottom:4px}.sanai3 .s3-mentor-time strong{color:#1d4ed8;font-size:1rem}
.sanai3 .s3-mentor-warning{padding:11px 13px;border-radius:14px;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;font-size:.78rem;line-height:1.5;margin:10px 0}
.sanai3 .s3-mentor-today{display:grid;gap:8px;padding:14px;border:1px solid var(--s3-line);border-radius:17px;background:var(--s3-card);margin:12px 0}.sanai3 .s3-mentor-today>strong{margin-bottom:2px}.sanai3 .s3-mentor-today>div{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px dashed var(--s3-line)}.sanai3 .s3-mentor-today>div:last-child{border-bottom:0}.sanai3 .s3-mentor-today span{font-size:.8rem}.sanai3 .s3-mentor-today b{white-space:nowrap;font-size:.76rem;color:#1d4ed8}
.sanai3 .s3-mentor-daily{overflow:hidden}.sanai3 .s3-mentor-daily-top{display:grid;grid-template-columns:105px 1fr;gap:14px;align-items:start;padding-bottom:15px;margin-bottom:14px;border-bottom:1px solid var(--s3-line)}.sanai3 .s3-mentor-daily-top .s3-mentor-img{width:100px;height:112px}.sanai3 .s3-mentor-daily-top h2{margin:4px 0 6px}.sanai3 .s3-mentor-daily-top p{margin:4px 0;color:var(--s3-muted);line-height:1.48;font-size:.8rem}.sanai3 .s3-mentor-daily-top p strong{color:var(--s3-text)}
.sanai3 .s3-mentor-recovery{margin-top:9px;padding:9px 10px;border-radius:12px;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;font-size:.72rem;line-height:1.45}
.sanai3 .s3-mentor-later{display:grid;gap:12px}.sanai3 .s3-mentor-later>div{display:grid;grid-template-columns:82px 1fr;gap:12px;align-items:center}.sanai3 .s3-mentor-later .s3-mentor-img{width:78px;height:88px;border-radius:16px}.sanai3 .s3-mentor-later strong{display:block}.sanai3 .s3-mentor-later p{margin:4px 0 0;color:var(--s3-muted);font-size:.78rem;line-height:1.45}
.sanai3 .s3-mentor-daily .s3-start-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}.sanai3 .s3-mentor-daily .s3-start-actions .s3-wide{grid-column:1/-1}.sanai3 .s3-mentor-daily .s3-start-actions .s3-link{grid-column:1/-1}
@media(max-width:520px){
 .sanai3 .s3-mentor-hero{grid-template-columns:92px 1fr;gap:10px}.sanai3 .s3-mentor-hero .s3-mentor-img{width:88px;height:100px;border-radius:17px}
 .sanai3 .s3-mentor-hero.compact{grid-template-columns:78px 1fr}.sanai3 .s3-mentor-hero.compact .s3-mentor-img{width:74px;height:84px}
 .sanai3 .s3-mentor-bubble{padding:12px 13px}.sanai3 .s3-mentor-bubble h2{font-size:1.05rem}
 .sanai3 .s3-mentor-setup-head{grid-template-columns:78px 1fr}.sanai3 .s3-mentor-setup-head .s3-mentor-img{width:74px;height:84px}
 .sanai3 .s3-mentor-plan-grid{grid-template-columns:1fr}.sanai3 .s3-mentor-plan-grid>div{grid-template-columns:34px 1fr auto;text-align:left;align-items:center}.sanai3 .s3-mentor-plan-grid small{font-size:.72rem}.sanai3 .s3-mentor-plan-grid strong{font-size:.82rem}
 .sanai3 .s3-mentor-time{grid-template-columns:1fr}.sanai3 .s3-mentor-daily-top{grid-template-columns:86px 1fr}.sanai3 .s3-mentor-daily-top .s3-mentor-img{width:82px;height:92px}
 .sanai3 .s3-mentor-daily .s3-start-actions{grid-template-columns:1fr}.sanai3 .s3-mentor-daily .s3-start-actions .s3-wide,.sanai3 .s3-mentor-daily .s3-start-actions .s3-link{grid-column:auto}
}


/* v3.24.0 Hindi Dynamic Mentor Hook */
.sanai3 .s3-mentor-hook-layer{position:fixed;inset:0;z-index:100060;display:flex;align-items:flex-end;justify-content:center;padding:18px;background:linear-gradient(180deg,rgba(15,23,42,.06),rgba(15,23,42,.36));backdrop-filter:blur(2px);animation:s3HookFade .28s ease both}
.sanai3 .s3-mentor-hook-card{position:relative;width:min(620px,100%);display:grid;grid-template-columns:108px 1fr;gap:14px;padding:18px;border-radius:26px 26px 20px 20px;background:linear-gradient(145deg,#ffffff 0%,#f7faff 56%,#eef4ff 100%);border:1px solid rgba(37,99,235,.22);box-shadow:0 28px 70px rgba(15,23,42,.28);animation:s3HookRise .42s cubic-bezier(.2,.8,.2,1) both;overflow:hidden}
.sanai3 .s3-mentor-hook-card:after{content:'';position:absolute;right:-75px;top:-95px;width:210px;height:210px;border-radius:50%;background:radial-gradient(circle,rgba(37,99,235,.14),rgba(37,99,235,0) 70%);pointer-events:none}
.sanai3 .s3-mentor-hook-close{position:absolute;right:11px;top:9px;z-index:3;width:34px;height:34px;border:0;border-radius:50%;background:rgba(255,255,255,.86);color:#64748b;font-size:1.35rem;line-height:1;box-shadow:0 3px 12px rgba(15,23,42,.08);cursor:pointer}
.sanai3 .s3-mentor-hook-character{position:relative;align-self:center;justify-self:center;animation:s3MentorBob 2.8s ease-in-out infinite}
.sanai3 .s3-mentor-hook-character .s3-mentor-img{width:102px;height:122px;border-radius:22px;border:2px solid #dbeafe;box-shadow:0 14px 30px rgba(37,99,235,.17)}
.sanai3 .s3-mentor-live-dot{position:absolute;right:2px;top:7px;width:15px;height:15px;border:3px solid white;border-radius:50%;background:#22c55e;box-shadow:0 0 0 0 rgba(34,197,94,.55);animation:s3LivePulse 1.6s infinite}
.sanai3 .s3-mentor-hook-copy{min-width:0;padding-right:24px}
.sanai3 .s3-mentor-hook-kicker{display:inline-flex;align-items:center;gap:5px;margin-bottom:5px;color:#1d4ed8;font-weight:900;font-size:.7rem;letter-spacing:.05em;text-transform:uppercase}
.sanai3 .s3-mentor-hook-copy h2{margin:0 0 7px;font-size:1.16rem;line-height:1.34;color:#0f172a}
.sanai3 .s3-mentor-hook-copy p{margin:0;color:#475569;font-size:.84rem;line-height:1.58}
.sanai3 .s3-mentor-listen{margin-top:10px;min-height:35px;padding:7px 12px;border-radius:999px;border:1px solid #bfdbfe;background:#eff6ff;color:#1d4ed8;font-weight:850;font-size:.76rem;cursor:pointer;animation:s3ListenPulse 2s ease-in-out infinite}
.sanai3 .s3-mentor-hook-actions{grid-column:1/-1;display:grid;grid-template-columns:1.45fr 1fr;gap:9px;margin-top:2px}
.sanai3 .s3-mentor-hook-actions button{min-height:50px;border-radius:15px;font-weight:900}
@keyframes s3HookFade{from{opacity:0}to{opacity:1}}
@keyframes s3HookRise{from{opacity:0;transform:translateY(28px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes s3MentorBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@keyframes s3LivePulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.5)}70%{box-shadow:0 0 0 8px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
@keyframes s3ListenPulse{0%,100%{box-shadow:0 0 0 0 rgba(37,99,235,0)}50%{box-shadow:0 0 0 5px rgba(37,99,235,.08)}}
@media(max-width:520px){
 .sanai3 .s3-mentor-hook-layer{padding:10px 10px 88px;align-items:flex-end}
 .sanai3 .s3-mentor-hook-card{grid-template-columns:78px 1fr;gap:10px;padding:14px 13px 13px;border-radius:22px}
 .sanai3 .s3-mentor-hook-character .s3-mentor-img{width:74px;height:91px;border-radius:17px}
 .sanai3 .s3-mentor-hook-copy{padding-right:20px}
 .sanai3 .s3-mentor-hook-copy h2{font-size:1rem;line-height:1.3}
 .sanai3 .s3-mentor-hook-copy p{font-size:.76rem;line-height:1.5}
 .sanai3 .s3-mentor-hook-actions{grid-template-columns:1fr}
 .sanai3 .s3-mentor-hook-actions button{min-height:47px}
}
@media(prefers-reduced-motion:reduce){.sanai3 .s3-mentor-hook-layer,.sanai3 .s3-mentor-hook-card,.sanai3 .s3-mentor-hook-character,.sanai3 .s3-mentor-live-dot,.sanai3 .s3-mentor-listen{animation:none!important}}