/* Hai tab giáo dục: bố cục độc lập để không kế thừa xung đột của card/search cũ. */
.guided-knowledge-shell,.learning-lab{max-width:1280px;margin:0 auto}
.guided-knowledge-hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.62fr);gap:34px;align-items:end;padding:5px 0 34px;border-bottom:1px solid var(--pine)}
.guided-knowledge-hero h1{max-width:760px;margin:0;color:var(--pine);font:700 clamp(38px,5vw,68px)/.91 Arial,"Helvetica Neue",Helvetica,sans-serif;letter-spacing:-.065em}
.guided-knowledge-hero h1 em{color:#6c8b7d;font-style:normal}
.guided-knowledge-hero>div>p:not(.eyebrow){max-width:670px;margin:17px 0 0;color:#5d7067;font-size:13px;line-height:1.62}
.guided-knowledge-hero aside{display:grid;grid-template-columns:29px 1fr;gap:9px 11px;padding:20px;border:1px solid #c6d8ca;background:#eaf3ec;box-shadow:9px 9px 0 #dbe9df;align-items:center}
.guided-knowledge-hero aside span{display:grid;place-items:center;width:27px;height:27px;border-radius:50%;background:#123d36;color:#f3d99f;font:700 10px Consolas,"Courier New",monospace}
.guided-knowledge-hero aside strong{color:#285e4d;font-size:11px}
.guided-audience-tabs{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:27px 0}
.guided-audience-tabs a{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;padding:15px;border:1px solid #d2ddd4;background:#fbfaf6;transition:transform .18s cubic-bezier(.23,1,.32,1),box-shadow .18s,border-color .18s}
.guided-audience-tabs a:hover{transform:translateY(-2px);border-color:#8eae9d;box-shadow:0 12px 24px rgba(18,61,54,.08)}
.guided-audience-tabs a.active{border-color:#123d36;background:#f1f6f1;box-shadow:inset 3px 0 0 #123d36}
.guided-audience-tabs a>span{display:grid;place-items:center;width:32px;height:32px;background:#123d36;color:#f5e1ae;font:700 10px Consolas,"Courier New",monospace}
.guided-audience-tabs b,.guided-audience-tabs small{display:block}.guided-audience-tabs b{color:#174c3e;font-size:13px}.guided-audience-tabs small{margin-top:2px;color:#718078;font-size:10px;line-height:1.35}.guided-audience-tabs i{color:#9d7131;font-size:18px;font-style:normal}
.guided-selection{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 28px;padding:14px 17px;border:1px solid #cfe0d3;background:#f0f6f0}.guided-selection p{margin:0 0 4px}.guided-selection strong,.guided-selection span{display:block}.guided-selection strong{color:#1e5b49;font-size:12px}.guided-selection span{max-width:760px;margin-top:3px;color:#62746b;font-size:10px;line-height:1.45}
.guided-task-header{display:flex;align-items:end;justify-content:space-between;gap:24px;margin:35px 0 17px}.guided-task-header h2{margin:0;color:#123d36;font:700 30px/1.05 Arial,"Helvetica Neue",Helvetica,sans-serif;letter-spacing:-.045em}.guided-task-header p:not(.eyebrow){max-width:690px;margin:7px 0 0;color:#687870;font-size:11px}.guided-task-header>span{padding:6px 8px;border:1px solid #cbd8ce;color:#607167;font:500 9px Consolas,"Courier New",monospace;white-space:nowrap}
.guided-task-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.guided-task-card{display:flex;flex-direction:column;min-width:0;padding:18px;border:1px solid #d2ddd4;background:#fbfaf6;box-shadow:0 7px 18px rgba(18,61,54,.04)}.guided-task-card>header{display:grid;grid-template-columns:34px minmax(0,1fr);gap:12px}.guided-task-index{display:grid;place-items:center;width:31px;height:31px;border-radius:50%;background:#e3efe5;color:#1c5d49;font:700 10px Consolas,"Courier New",monospace}.guided-task-card h3{margin:0;color:#123d36;font:700 18px/1.13 Arial,"Helvetica Neue",Helvetica,sans-serif;letter-spacing:-.03em}.guided-task-card header p{margin:5px 0 0;color:#66776e;font-size:11px;line-height:1.48}
.guided-task-result{margin:16px 0 10px;padding:10px 11px;border-left:2px solid #c38334;background:#fbf3e1}.guided-task-result b,.guided-task-result span{display:block}.guided-task-result b{color:#795c28;font-size:9px;text-transform:uppercase;letter-spacing:.06em}.guided-task-result span{margin-top:3px;color:#6c5b39;font-size:10px;line-height:1.42}.guided-knowledge-hints{display:flex;gap:7px;align-items:flex-start;margin:0 0 13px;color:#567366;font-size:9px}.guided-knowledge-hints span{flex:0 0 auto;padding:2px 5px;background:#e6f1e8;color:#28614d;font:500 8px Consolas,"Courier New",monospace;text-transform:uppercase}.guided-knowledge-hints p{min-width:0;margin:0;line-height:1.4}
.guided-task-form{margin-top:auto}.guided-task-form details{border-top:1px solid #dce5dc;padding-top:10px}.guided-task-form summary{display:flex;justify-content:space-between;color:#235f4b;font-size:10px;font-weight:800;cursor:pointer;list-style:none}.guided-task-form summary::-webkit-details-marker{display:none}.guided-task-form summary b{font-size:16px;line-height:.75}.guided-task-form details[open] summary b{transform:rotate(45deg)}.guided-form-fields{display:grid;grid-template-columns:1fr 1fr;gap:0 11px;margin:12px 0 13px}.guided-form-fields .field-label{margin-bottom:10px}.guided-form-fields input,.guided-form-fields select{font-size:11px}.guided-task-form .btn{width:100%;min-height:34px}.guided-safety-note{display:flex;gap:12px;align-items:flex-start;margin-top:29px;padding:17px;border-top:2px solid #123d36;background:#f0f4ef}.guided-safety-note>span{color:#bb8536;font-size:24px;line-height:1}.guided-safety-note strong{color:#245a48;font-size:11px}.guided-safety-note p{margin:4px 0 0;color:#697970;font-size:10px;line-height:1.5}
.guide-prefill-note{grid-column:1/-1;display:flex;gap:8px;align-items:center;padding:9px 12px;border:1px solid #c7dbcc;background:#edf5ee;color:#3d6855;font-size:10px}.guide-prefill-note strong{color:#1b5946}.guide-prefill-note span{color:#63756c}

/* Khung phân tích prompt có cấu trúc co giãn, tránh tràn chữ ở các màn hình nhỏ. */
.study-search,.search-results{display:none!important}.prompt-analysis-map{position:relative;overflow:hidden;margin:32px 0;padding:24px;border:1px solid #cfdcd2;background:#f2f6f1}.map-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px}.map-heading h2{margin:0;color:#123d36;font:700 28px/1.06 Arial,"Helvetica Neue",Helvetica,sans-serif;letter-spacing:-.045em}.map-heading p:not(.eyebrow){max-width:670px;margin:7px 0 0;color:#66776f;font-size:11px;line-height:1.5}.map-model{flex:0 0 auto;padding:7px 9px;border:1px solid #c5d7c8;background:#fbfaf6;color:#2a624e;font:700 9px Consolas,"Courier New",monospace}.map-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:18px;align-items:stretch}.map-prompt-sheet{min-width:0;padding:15px;border:1px solid #c6d9ca;background:#fffefa;box-shadow:7px 7px 0 #dce9df}.sheet-pin{display:inline-block;margin-bottom:12px;color:#8f6831;font:700 8px Consolas,"Courier New",monospace;letter-spacing:.08em}.sheet-block{display:grid;grid-template-columns:28px minmax(0,1fr);gap:9px;align-items:start;min-width:0;margin-top:8px;padding:10px;border-left:3px solid #9db8aa;background:#f6f8f3}.sheet-block b{display:grid;place-items:center;width:23px;height:23px;border-radius:50%;background:#123d36;color:#f5dfab;font:700 8px Consolas,"Courier New",monospace}.sheet-block strong,.sheet-block span{display:block}.sheet-block strong{color:#1d5644;font-size:10px}.sheet-block span{margin-top:2px;overflow-wrap:anywhere;color:#607168;font-size:10px;line-height:1.4}.sheet-block.goal{border-left-color:#c38334}.sheet-block.context{border-left-color:#7a9f8b}.sheet-block.output{border-left-color:#607d9e}.map-explainer{display:grid;grid-template-columns:1fr 1fr;gap:10px;min-width:0}.map-explainer article{display:grid;grid-template-columns:27px minmax(0,1fr);gap:9px;min-width:0;padding:12px;border:1px solid #d4dfd5;background:#fbfaf6}.map-explainer article>span{display:grid;place-items:center;width:25px;height:25px;color:#1f5d49;font:700 9px Consolas,"Courier New",monospace}.map-explainer h3{margin:0;color:#244f41;font-size:11px;line-height:1.25}.map-explainer p{margin:4px 0 0;overflow-wrap:anywhere;color:#66776e;font-size:10px;line-height:1.45}.map-takeaway{margin:15px 0 0;padding:10px 12px;border-left:2px solid #c38334;background:#fbf2df;color:#735f38;font-size:10px;line-height:1.45}
@media(max-width:850px){.guided-knowledge-hero{grid-template-columns:1fr}.map-layout{grid-template-columns:1fr}}@media(max-width:800px){.guided-audience-tabs,.guided-task-grid{grid-template-columns:1fr}.guided-knowledge-hero{gap:20px}.guided-knowledge-hero h1{font-size:43px}.guided-selection,.guided-task-header{align-items:flex-start;flex-direction:column}.guided-form-fields{grid-template-columns:1fr}.guide-prefill-note{grid-column:auto;align-items:flex-start;flex-direction:column}.map-explainer{grid-template-columns:1fr 1fr}}@media(max-width:560px){.map-heading{flex-direction:column}.map-explainer{grid-template-columns:1fr}.prompt-analysis-map{margin-left:-2px;margin-right:-2px;padding:16px}.map-heading h2{font-size:24px}.map-model{align-self:flex-start}}

/* Lựa chọn đối tượng: trạng thái, biểu tượng và giọng điệu riêng cho Giáo viên/Người học. */
.guided-audience-tabs{gap:16px;margin:28px 0 30px}.guided-audience-tabs .audience-choice{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:14px;align-items:center;min-height:92px;padding:17px 19px;border:1px solid #d4ded6;text-decoration:none;overflow:hidden;transition:transform .18s cubic-bezier(.23,1,.32,1),box-shadow .18s,border-color .18s}.guided-audience-tabs .audience-choice::after{content:"";position:absolute;right:-24px;bottom:-42px;width:122px;height:122px;border-radius:50%;background:currentColor;opacity:.055;pointer-events:none}.guided-audience-tabs .audience-choice:hover,.guided-audience-tabs .audience-choice:focus-visible{transform:translateY(-3px);border-color:currentColor;box-shadow:0 14px 28px rgba(18,61,54,.13);outline:none}.guided-audience-tabs .audience-choice:focus-visible{box-shadow:0 0 0 3px #fff,0 0 0 6px currentColor}.audience-icon{display:grid!important;place-items:center;width:42px!important;height:42px!important;border-radius:50%;color:#fff!important;font:800 10px/1 Arial,sans-serif!important;letter-spacing:.08em}.audience-choice>div small{display:block!important;margin:0 0 4px!important;color:inherit!important;opacity:.66;font:800 8px/1 Arial,sans-serif!important;letter-spacing:.1em}.audience-choice>div b{display:block;color:inherit!important;font:800 16px/1.1 Arial,sans-serif!important;letter-spacing:-.02em}.audience-choice>div em{display:block;margin-top:5px;color:inherit;font:500 10px/1.3 Arial,sans-serif;font-style:normal;opacity:.76}.audience-cta{position:relative;z-index:1;display:flex;align-items:center;gap:5px;color:inherit;font:800 10px/1 Arial,sans-serif;white-space:nowrap}.audience-cta i{font-size:16px;font-style:normal;transition:transform .18s ease}.audience-choice:hover .audience-cta i{transform:translateX(4px)}.audience-teacher{color:#0d5447;background:linear-gradient(135deg,#f5fbf7 0%,#fff 72%)}.audience-teacher .audience-icon{background:#0d5447}.audience-teacher.active{border-color:#0d5447;box-shadow:inset 5px 0 0 #0d5447,0 11px 24px rgba(13,84,71,.13)}.audience-learner{color:#8b4d1a;background:linear-gradient(135deg,#fff7d6 0%,#fffdf4 55%,#e9faef 100%)}.audience-learner .audience-icon{background:linear-gradient(135deg,#f08d32,#d65d62)}.audience-learner.active{border-color:#ed8a31;box-shadow:inset 5px 0 0 #ed8a31,0 13px 28px rgba(237,138,49,.17)}.audience-learner.active .audience-cta{color:#cf5d1f}.audience-learner .guided-task-card{border-top:3px solid #ffd46c}.audience-learner .guided-task-card:nth-child(2n){border-top-color:#8dd9ab}.audience-learner .guided-task-index{background:#fff1c7;color:#ad621d}.audience-learner .guided-task-result{background:#fffaf0}.audience-learner .guided-task-form details[open]{background:#fffdf7}@media(max-width:720px){.guided-audience-tabs .audience-choice{min-height:82px;padding:14px}.audience-cta{font-size:9px}.audience-choice>div b{font-size:15px}}

/* Dạy và Học với AI — task-first workspace, with a distinct optimistic rhythm for the learner journey. */
.education-workspace{max-width:1280px;margin:0 auto}.education-hero{display:grid;grid-template-columns:minmax(0,1.28fr) minmax(278px,.55fr);gap:34px;align-items:end;padding:6px 0 30px;border-bottom:1px solid #123d36}.education-hero h1{margin:0;color:#123d36;font:800 clamp(39px,5.2vw,70px)/.88 Arial,"Helvetica Neue",Helvetica,sans-serif;letter-spacing:-.07em}.education-hero h1 em{color:#668579;font-style:normal}.education-hero>div>p:not(.eyebrow){max-width:680px;margin:16px 0 0;color:#5d7067;font-size:13px;line-height:1.58}.education-signal{display:flex;align-items:center;gap:8px;margin-top:18px;color:#356a58;font-size:10px;font-weight:800}.education-signal>span{color:#c38334;font-size:16px}.education-signal i{padding:4px 6px;background:#edf3ee;color:#66796e;font:700 8px Arial,sans-serif;font-style:normal;letter-spacing:.06em}.education-steps{display:grid;grid-template-columns:30px 1fr;gap:11px;padding:18px;border:1px solid #c9d9cd;background:#edf5ef;box-shadow:9px 9px 0 #dbe9df;align-items:center}.education-steps>span{display:grid;place-items:center;width:27px;height:27px;border-radius:50%;background:#123d36;color:#f4dda5;font:700 9px Arial,sans-serif}.education-steps strong,.education-steps small{display:block}.education-steps strong{color:#245b49;font-size:11px}.education-steps small{margin-top:1px;color:#718078;font-size:9px}.education-audience-tabs{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:28px 0}.education-tab{position:relative;display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:13px;align-items:center;min-height:98px;padding:16px 19px;border:1px solid #d2ddd4;overflow:hidden;transition:transform .18s cubic-bezier(.23,1,.32,1),box-shadow .18s,border-color .18s}.education-tab:after{content:"";position:absolute;right:-25px;bottom:-50px;width:130px;height:130px;border-radius:50%;background:currentColor;opacity:.055}.education-tab:hover,.education-tab:focus-visible{transform:translateY(-3px);border-color:currentColor;box-shadow:0 14px 28px rgba(18,61,54,.12);outline:0}.education-tab-mark{position:relative;z-index:1;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;color:#fff;font:800 10px Arial,sans-serif;letter-spacing:.08em}.education-tab small,.education-tab b,.education-tab em{position:relative;z-index:1;display:block}.education-tab small{margin-bottom:4px;color:inherit;font:800 8px Arial,sans-serif;letter-spacing:.1em;opacity:.66}.education-tab b{color:inherit;font-size:16px;letter-spacing:-.025em}.education-tab em{margin-top:5px;color:inherit;font-size:10px;font-style:normal;opacity:.76}.education-tab>i{position:relative;z-index:1;font-size:19px;font-style:normal}.education-tab.teacher{color:#0d5447;background:linear-gradient(135deg,#f1faf4,#fff)}.education-tab.teacher .education-tab-mark{background:#0d5447}.education-tab.teacher.active{border-color:#0d5447;box-shadow:inset 5px 0 0 #0d5447,0 10px 22px rgba(13,84,71,.12)}.education-tab.learner{color:#88481a;background:linear-gradient(135deg,#fff4c9 0%,#fffdfa 52%,#e8faf1 100%)}.education-tab.learner .education-tab-mark{background:linear-gradient(135deg,#f18931,#d95b62)}.education-tab.learner.active{border-color:#ef8a30;box-shadow:inset 5px 0 0 #ef8a30,0 12px 25px rgba(238,137,48,.18)}.education-task-intro{display:flex;align-items:end;justify-content:space-between;gap:22px;margin:36px 0 15px}.education-task-intro h2{margin:0;color:#123d36;font:800 30px/1 Arial,sans-serif;letter-spacing:-.05em}.education-task-intro p:not(.eyebrow){max-width:710px;margin:8px 0 0;color:#697870;font-size:11px;line-height:1.5}.education-task-intro>span{padding:6px 8px;border:1px solid #ccd9cf;color:#5f7167;font:700 9px Arial,sans-serif;white-space:nowrap}.education-task-picker{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:9px;scroll-margin-top:16px}.education-task-choice{display:flex;flex-direction:column;min-height:162px;padding:13px;border:1px solid #d5dfd7;background:#fbfaf6;transition:transform .16s,box-shadow .16s,border-color .16s}.education-task-choice:hover,.education-task-choice:focus-visible{transform:translateY(-3px);border-color:#8eaa9b;box-shadow:0 10px 20px rgba(18,61,54,.09);outline:0}.education-task-choice.active{border-top:3px solid #1b604d;background:#f0f7f1;box-shadow:0 10px 20px rgba(18,61,54,.08)}.education-task-choice>span{display:grid;place-items:center;width:25px;height:25px;margin-bottom:13px;border-radius:50%;background:#e0ede3;color:#1d5b48;font:800 8px Arial,sans-serif}.education-task-choice strong{color:#1d4e3f;font-size:12px;line-height:1.2}.education-task-choice small{display:block;margin-top:6px;color:#6a796f;font-size:9px;line-height:1.45}.education-task-choice>i{margin-top:auto;padding-top:11px;color:#35715b;font:800 9px Arial,sans-serif;font-style:normal}.education-task-studio{margin-top:25px;border:1px solid #cbd9cf;background:#fffefa;box-shadow:0 15px 30px rgba(18,61,54,.06)}.education-task-title{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:13px;align-items:start;padding:21px 22px;border-bottom:1px solid #dce5dd;background:#f0f6f1}.education-task-number{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#143f36;color:#f6dda2;font:800 11px Arial,sans-serif}.education-task-title h2{margin:0;color:#174d3f;font:800 27px/1 Arial,sans-serif;letter-spacing:-.045em}.education-task-title p:not(.eyebrow){margin:6px 0 0;color:#62746a;font-size:11px;line-height:1.45}.education-change-task{padding:6px 8px;border-bottom:1px solid #b8cdc0;color:#2c654f;font-size:10px;font-weight:800;white-space:nowrap}.education-task-brief{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid #dce5dd}.education-task-brief article{min-height:135px;padding:15px;border-right:1px solid #dfe6df}.education-task-brief article:last-child{border-right:0}.education-task-brief span{color:#667a70;font:800 8px Arial,sans-serif;letter-spacing:.08em}.education-task-brief p{margin:8px 0 0;color:#3d5d50;font-size:10px;line-height:1.5}.education-task-brief .framework-card{background:#faf2df}.education-task-brief .framework-card span{color:#80632e}.education-task-brief .framework-card p{color:#725e36}.education-prep-layout{display:grid;grid-template-columns:minmax(270px,.75fr) minmax(0,1.25fr);gap:0;background:#fffefa}.education-prep-copy{padding:22px;border-right:1px solid #dfe6df;background:#f8faf6}.education-prep-copy h3{margin:0;color:#1c5242;font-size:17px;letter-spacing:-.02em}.education-prep-copy>p:not(.eyebrow){margin:7px 0 0;color:#64746c;font-size:10px;line-height:1.55}.education-prep-outcome{margin-top:17px;padding:11px;border-left:3px solid #c38334;background:#fcf4e4}.education-prep-outcome strong,.education-prep-outcome span{display:block}.education-prep-outcome strong{color:#7b5d29;font-size:9px;text-transform:uppercase;letter-spacing:.05em}.education-prep-outcome span{margin-top:4px;color:#675938;font-size:10px;line-height:1.45}.education-knowledge-stack{margin-top:16px}.education-knowledge-stack>span{display:block;margin-bottom:7px;color:#64776d;font-size:9px;font-weight:800}.education-knowledge-stack b{display:block;margin:5px 0;padding:6px 7px;background:#e8f2e9;color:#34664f;font-size:9px}.education-prep-form{padding:22px}.education-form-heading{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:14px}.education-form-heading span{color:#184e3f;font-size:14px;font-weight:800}.education-form-heading small{color:#748179;font-size:9px}.education-form-fields{display:grid;grid-template-columns:1fr 1fr;gap:0 13px}.education-form-fields .field-label{margin-bottom:13px}.education-form-fields .field-label>span{display:block}.education-form-fields .field-label small{display:block;margin-top:4px;color:#77847d;font-size:9px;font-weight:500;line-height:1.35}.education-prep-form .btn{min-height:39px;width:100%;margin-top:4px}.education-form-note{margin:9px 0 0;color:#728078;text-align:center;font-size:9px;line-height:1.4}.audience-learner .education-hero{border-color:#e88437}.audience-learner .education-hero h1{color:#9f4f1d}.audience-learner .education-hero h1 em{color:#db7164}.audience-learner .education-hero>div>p:not(.eyebrow){color:#84654b}.audience-learner .education-signal{color:#cf6631}.audience-learner .education-steps{border-color:#f0c172;background:linear-gradient(135deg,#fff4d6,#edfff2);box-shadow:9px 9px 0 #fce8ba}.audience-learner .education-steps>span{background:linear-gradient(135deg,#f08432,#d85e62)}.audience-learner .education-task-intro h2,.audience-learner .education-task-choice strong{color:#9b4f20}.audience-learner .education-task-choice{border-radius:13px;border-color:#f0d6a9;background:#fffdfa}.audience-learner .education-task-choice:nth-child(2n){background:#f3fff6;border-color:#cbe9d3}.audience-learner .education-task-choice.active{border-top-color:#ed8531;background:#fff4dc;box-shadow:0 12px 23px rgba(222,120,44,.14)}.audience-learner .education-task-choice>span{background:#fff0c1;color:#b05d1d}.audience-learner .education-task-choice:nth-child(2n)>span{background:#dff5e5;color:#22704e}.audience-learner .education-task-choice>i{color:#d15d2c}.audience-learner .education-task-studio{border-color:#f0c982;border-radius:16px;overflow:hidden;box-shadow:0 16px 32px rgba(230,136,49,.12)}.audience-learner .education-task-title{background:linear-gradient(100deg,#fff1ca,#fffaf0)}.audience-learner .education-task-number{background:linear-gradient(135deg,#f08a35,#d75e63)}.audience-learner .education-task-title h2{color:#994d1e}.audience-learner .education-prep-copy{background:#f5fff7}.audience-learner .education-prep-outcome{border-color:#e97b36;background:#fff1df}.audience-learner .education-knowledge-stack b{background:#e9f8ee;color:#2c7551}.audience-learner .education-prep-form .btn{background:linear-gradient(135deg,#ed7e30,#d75c64)}@media(max-width:1050px){.education-task-picker{grid-template-columns:repeat(3,1fr)}.education-task-brief{grid-template-columns:1fr 1fr}.education-task-brief article:nth-child(2){border-right:0}.education-task-brief article:nth-child(-n+2){border-bottom:1px solid #dfe6df}}@media(max-width:840px){.education-hero,.education-prep-layout{grid-template-columns:1fr}.education-steps{margin-top:3px}.education-prep-copy{border-right:0;border-bottom:1px solid #dfe6df}.education-audience-tabs{grid-template-columns:1fr}.education-task-intro{align-items:flex-start;flex-direction:column}.education-task-picker{grid-template-columns:1fr 1fr}.education-task-choice{min-height:130px}.education-form-fields{grid-template-columns:1fr}}@media(max-width:570px){.education-hero h1{font-size:42px}.education-task-picker,.education-task-brief{grid-template-columns:1fr}.education-task-brief article,.education-task-brief article:nth-child(2){border-right:0;border-bottom:1px solid #dfe6df}.education-task-brief article:last-child{border-bottom:0}.education-task-title{grid-template-columns:38px 1fr;padding:17px}.education-task-title h2{font-size:23px}.education-change-task{grid-column:2;justify-self:start}.education-prep-form,.education-prep-copy{padding:17px}.education-tab{min-height:88px;padding:14px}.education-tab b{font-size:15px}}

/* Workspace continuity — drafts and activity history remain scoped to the current educator or learner flow. */
.education-workspace-actions{display:flex;justify-content:space-between;align-items:center;gap:14px;margin:-9px 0 27px;padding:10px 12px;border:1px solid #d7e2d8;background:#f6faf6;color:#527066;font-size:10px}.education-workspace-actions .btn{min-height:30px;white-space:nowrap}.education-form-actions{display:flex;gap:8px}.education-form-actions .btn{flex:1}.education-form-actions .btn-ghost{background:#fffefa}.education-draft-delete{padding:0 22px 18px;text-align:right}.education-draft-delete button{padding:0;border:0;background:transparent;color:#955448;font:700 9px Arial,sans-serif;cursor:pointer;text-decoration:underline}.education-history{margin:36px 0 24px;border:1px solid #d2ded4;background:#fffefa}.education-history>header{display:flex;justify-content:space-between;align-items:end;gap:18px;padding:20px;border-bottom:1px solid #dce5dd;background:#eef6f0}.education-history h2{margin:0;color:#164e40;font:800 29px/1 Arial,sans-serif;letter-spacing:-.05em}.education-history header p:not(.eyebrow){max-width:650px;margin:8px 0 0;color:#61746a;font-size:11px}.education-history>header>span{padding:6px 8px;background:#dcecdf;color:#32654f;font:800 9px Arial,sans-serif;white-space:nowrap}.education-history-list>a{display:grid;grid-template-columns:35px minmax(0,1fr) auto;gap:12px;align-items:center;padding:14px 18px;border-bottom:1px solid #e3e9e3;transition:background .16s}.education-history-list>a:last-child{border-bottom:0}.education-history-list>a:hover{background:#f4f9f4}.education-history-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#165342;color:#f6e2aa;font:800 8px Arial,sans-serif}.education-history-list strong,.education-history-list small{display:block}.education-history-list strong{color:#245644;font-size:11px}.education-history-list small{margin-top:3px;color:#77837c;font-size:9px}.education-history-list i{color:#31715a;font:800 9px Arial,sans-serif;font-style:normal}.education-history-empty{display:flex;align-items:center;gap:13px;padding:27px 22px}.education-history-empty>span{display:grid;place-items:center;width:37px;height:37px;border-radius:50%;background:#f7e8c5;color:#9a6e26;font-size:18px}.education-history-empty>div{flex:1}.education-history-empty strong{color:#315c4c;font-size:11px}.education-history-empty p{margin:4px 0 0;color:#748078;font-size:10px}.audience-learner .education-workspace-actions{border-color:#f3d9a9;background:#fffaf1;color:#9a5e2b}.audience-learner .education-history{border-color:#f1d199}.audience-learner .education-history>header{background:linear-gradient(100deg,#fff0cc,#f1fff4)}.audience-learner .education-history h2{color:#995020}.audience-learner .education-history>header>span{background:#ffe3ae;color:#a65a20}.audience-learner .education-history-mark{background:linear-gradient(135deg,#f08332,#d45e64)}.audience-learner .education-history-list>a:hover{background:#fff9ee}@media(max-width:650px){.education-workspace-actions,.education-history>header,.education-history-empty{align-items:flex-start;flex-direction:column}.education-workspace-actions .btn{width:100%}.education-form-actions{flex-direction:column}.education-draft-delete{padding:0 17px 16px;text-align:left}.education-history-list>a{grid-template-columns:30px 1fr}.education-history-list i{grid-column:2}.education-history-empty .btn{width:100%}}

/* Thiết kế ưu tiên nhiệm vụ: không lặp lại thẻ chọn đối tượng, tăng cỡ chữ cho thao tác và ngữ cảnh. */
.education-workspace-actions{margin:22px 0 30px;font-size:13px}.education-workspace-actions .btn{min-height:34px;font-size:13px}.education-hero>div>p:not(.eyebrow){font-size:16px;line-height:1.65}.education-signal{font-size:12px}.education-signal i{font-size:10px}.education-steps strong{font-size:13px}.education-steps small{font-size:11px}.education-task-intro p:not(.eyebrow){font-size:14px;line-height:1.58}.education-task-intro>span{font-size:11px}.education-task-choice strong{font-size:14px;line-height:1.28}.education-task-choice small{font-size:12px;line-height:1.5}.education-task-choice>i{font-size:11px}.education-task-title p:not(.eyebrow){font-size:14px;line-height:1.55}.education-change-task{font-size:12px}.education-task-brief span{font-size:10px}.education-task-brief p{font-size:13px;line-height:1.6}.education-prep-copy h3{font-size:20px}.education-prep-copy>p:not(.eyebrow){font-size:14px;line-height:1.65}.education-prep-outcome strong{font-size:11px}.education-prep-outcome span{font-size:13px;line-height:1.55}.education-knowledge-stack>span{font-size:11px}.education-knowledge-stack b{font-size:11px}.education-form-heading span{font-size:17px}.education-form-heading small{font-size:11px}.education-form-fields .field-label>span{font-size:13px;font-weight:800}.education-form-fields .field-label small{font-size:11px;line-height:1.45}.education-form-note{font-size:11px;line-height:1.5}.education-history header p:not(.eyebrow){font-size:14px;line-height:1.55}.education-history>header>span,.education-history-list small,.education-history-list i{font-size:11px}.education-history-list strong,.education-history-empty strong{font-size:13px}.education-history-empty p{font-size:12px;line-height:1.5}@media(max-width:570px){.education-workspace-actions{margin:18px 0 26px}.education-hero>div>p:not(.eyebrow){font-size:15px}.education-task-choice strong{font-size:15px}.education-task-choice small{font-size:12px}.education-task-brief p{font-size:14px}.education-prep-copy>p:not(.eyebrow){font-size:15px}.education-form-fields .field-label>span{font-size:14px}}
/* Nhiệm vụ Giáo viên/Người học (15/09/2026): trường nhiều dòng, trường theo cấp học. */
.education-form-fields [hidden]{display:none!important}
.education-form-fields .field-label.is-wide{grid-column:1/-1}
.education-form-fields textarea{min-height:84px;resize:vertical}
.guided-safety-note .guided-age-note{margin-top:6px}


/* Bước 3 trên trang nhiệm vụ, lịch sử dùng lại, Thư viện tri thức và biên tập mục tri thức (15/09/2026). */
.education-knowledge-stack a{display:block;margin:5px 0;padding:7px 8px;background:#e8f2e9;color:#2f644d;font-size:12px;font-weight:700;line-height:1.35;text-decoration:none}
.education-knowledge-stack a:hover,.education-knowledge-stack a:focus-visible{background:#d8eadc;color:#123d36}
.education-knowledge-stack a.is-conditional{border:1px dashed #a9c7b1;background:#f5faf5}
.education-knowledge-stack a small{display:block;margin-top:2px;color:#6b7d73;font-size:11px;font-weight:600}
.education-knowledge-stack a.education-knowledge-more{margin-top:10px;padding:0;background:none;color:#2c654f;font-size:12px;text-decoration:underline;text-underline-offset:3px}
.education-form-notice{margin:0 0 14px;padding:9px 11px;border-left:3px solid #2e715c;background:#eef6f0;color:#35584b;font-size:13px;line-height:1.5}
.education-form-notice .link-button{margin-left:4px}
.education-form-actions .btn-secondary{background:#e3ede6;border-color:#b9d0c1;color:#165143}
.audience-learner .education-prep-form .btn-ghost,.audience-learner .education-prep-form .btn-secondary{background:#fffaf1;border-color:#efcf9d;color:#8f4f1f}
.education-prompt-step{padding:24px 22px 26px;border-top:1px solid #dce5dd;background:#fbfcf8;scroll-margin-top:16px}
.education-prompt-step>header{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:14px}
.education-prompt-step h3{margin:0;color:#174d3f;font:800 24px/1.05 Arial,sans-serif;letter-spacing:-.04em}
.education-prompt-step>header p:not(.eyebrow){max-width:680px;margin:7px 0 0;color:#5f7168;font-size:14px;line-height:1.55}
.education-model-picker{display:grid;gap:4px;min-width:180px;color:#4f6158;font-size:12px;font-weight:800}
.education-model-picker select{margin:0}
.education-saved-note{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;margin:0 0 14px;padding:11px 13px;border:1px solid #9fc5ad;background:#e6f3e9;color:#1e5744;font-size:13px}
.education-saved-note a{color:#123d36;font-weight:800;text-decoration:underline;text-underline-offset:3px}
.education-prompt-error{margin:0 0 12px;padding:10px 12px;border-left:3px solid var(--red,#9f3d38);background:#fbeeed;color:#7a2f2a;font-size:13px}
.education-prompt-meta{display:flex;flex-wrap:wrap;gap:6px 16px;align-items:center;margin-bottom:9px;color:#5e6f66;font:500 12px "IBM Plex Mono",Consolas,monospace}
.education-prompt-meta b{color:#174d3f}
.education-prompt-status{padding:3px 8px;border:1px solid #c6d5ca;border-radius:99px;color:#2e715c}
.education-prompt-status.is-busy{border-color:#e2c28a;color:#8a6224}
.education-missing{margin:0 0 10px;padding:9px 11px;border-left:3px solid #c38334;background:#fcf4e4;color:#6d5630;font-size:13px;line-height:1.5}
.education-prompt-output{max-height:480px;margin:0;padding:16px 18px;overflow:auto;border:1px solid #d6dfd7;background:#fffefa;box-shadow:inset 3px 0 0 #123d36;color:#1f2926;font:13px/1.65 "IBM Plex Mono",Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere}
.education-prompt-output:focus-visible{outline:2px solid #2e715c;outline-offset:2px}
.education-prompt-actions{display:flex;flex-wrap:wrap;gap:10px 12px;align-items:center;margin-top:14px}
.education-prompt-actions>.btn{min-height:40px;padding:0 18px;font-size:13px}
.education-platforms{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;margin-left:auto;color:#6b7b72;font-size:12px}
.education-platforms a{padding:5px 9px;border:1px solid #cfdcd2;border-radius:99px;background:#fffefa;color:#245a48;font-weight:800;text-decoration:none}
.education-platforms a:hover,.education-platforms a:focus-visible{border-color:#2e715c;background:#eef6f0}
.audience-learner .education-prompt-step{background:#fffdf8}
.audience-learner .education-prompt-output{box-shadow:inset 3px 0 0 #e97b36}
.audience-learner .education-prompt-actions .btn-primary{background:linear-gradient(135deg,#ed7e30,#d75c64)}
.education-history-filter{display:flex;flex-wrap:wrap;gap:6px;padding:12px 18px;border-bottom:1px solid #dce5dd;background:#f7faf6}
.education-history-filter a{padding:6px 10px;border:1px solid #d3ded5;border-radius:99px;background:#fffefa;color:#46645a;font-size:12px;font-weight:700;text-decoration:none}
.education-history-filter a b{margin-left:3px;color:#2e715c}
.education-history-filter a.active{border-color:#123d36;background:#123d36;color:#fff}
.education-history-filter a.active b{color:#f3d99f}
.education-history-list>article{display:grid;grid-template-columns:35px minmax(0,1fr) auto;gap:12px;align-items:center;padding:14px 18px;border-bottom:1px solid #e3e9e3}
.education-history-list>article:last-child{border-bottom:0}
.education-history-actions{display:flex;flex-wrap:wrap;gap:6px 14px;justify-content:flex-end;font-size:12px}
.education-history-actions a{color:#2f6a55;font-weight:800;text-decoration:underline;text-underline-offset:3px}
.education-history-actions a.is-primary{text-decoration:none}
.education-history-actions span{color:#8a7a6a}
.audience-learner .education-history-filter a.active{border-color:#d56a36;background:#d56a36}
.knowledge-library .knowledge-hero>div>p:not(.eyebrow){font-size:15px;line-height:1.6}
.knowledge-library .knowledge-hero-stat small{font-size:11px}
.knowledge-library .knowledge-search-form label>span{font-size:12px}
.knowledge-library .knowledge-filter-row a{font-size:12px;text-decoration:none}
.knowledge-library .knowledge-filter-row a b{margin-left:3px;color:#8a9a90;font-weight:700}
.knowledge-library .knowledge-selection-tray{grid-template-columns:minmax(200px,.7fr) minmax(220px,1fr) auto}
.knowledge-library .knowledge-selection-tray p:not(.eyebrow){font-size:12px}
.knowledge-library .selection-chip{font-size:12px}
.knowledge-tray-actions{display:flex;flex-direction:column;gap:6px}
.knowledge-tray-actions .btn{width:100%}
.knowledge-library .knowledge-results-head>span{font-size:12px}
.knowledge-library .knowledge-card{min-height:0;scroll-margin-top:18px}
.knowledge-library .knowledge-card:target{border-color:#2e715c;box-shadow:0 0 0 3px #cfe5d6}
.knowledge-library .knowledge-card.is-selected{border-color:#8fbf9f;background:#f3f9f3}
.knowledge-library .knowledge-card>p{font-size:13px;line-height:1.55}
.knowledge-library .knowledge-collection-label,.knowledge-library .audience-label{font-size:10px}
.knowledge-usage{display:flex;flex-wrap:wrap;gap:5px;align-items:center;margin:11px 0 0!important;font-size:12px!important}
.knowledge-usage span{color:#6e7e75}
.knowledge-usage a{padding:3px 7px;background:#e9f2ea;color:#2a624d;font-weight:700;text-decoration:none}
.knowledge-usage a:hover,.knowledge-usage a:focus-visible{background:#d6e9db;color:#123d36}
.knowledge-library .knowledge-tags span{font-size:11px}
.knowledge-library .knowledge-card summary{font-size:12px}
.knowledge-library .knowledge-detail{font-size:13px;line-height:1.55}
.knowledge-instruction{padding:9px 11px;border-left:3px solid #2e715c;background:#f4f8f3;color:#2d4a40}
.knowledge-source-full a{color:#1f5f4a;text-decoration:underline;text-underline-offset:3px}
.knowledge-version{color:#7c8a82;font:500 11px "IBM Plex Mono",Consolas,monospace}
.knowledge-library .knowledge-source{font-size:11px}
.knowledge-library .knowledge-card .btn{min-height:32px;padding:0 11px;font-size:12px}
.knowledge-library .knowledge-card .btn[disabled]{opacity:.55;cursor:not-allowed}
.knowledge-note{margin-top:30px}
.education-admin-knowledge{margin:4px 0 16px;padding:14px 16px;border:1px solid #d3ded5;background:#f7faf6}
.education-admin-knowledge legend{padding:0 6px;color:#174d3f;font-size:14px;font-weight:800}
.education-admin-knowledge legend small{color:#7b8a81;font-size:11px;font-weight:600}
.education-admin-knowledge>p{margin:0 0 9px;color:#55675e;font-size:12px;line-height:1.5}
.education-admin-note{padding:8px 10px;background:#fcf4e4;color:#6d5630!important}
.knowledge-pick{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;margin-top:10px}
.knowledge-pick-group{display:grid;align-content:start;gap:4px}
.knowledge-pick-group>strong{color:#35584b;font-size:11px;text-transform:uppercase;letter-spacing:.05em}
.knowledge-pick-group.is-attached{padding:8px;border:1px solid #9fc5ad;background:#eaf4ec}
.knowledge-pick label{display:grid;grid-template-columns:18px minmax(0,1fr);gap:8px;align-items:start;padding:5px 4px;color:#27473d;font-size:12px;cursor:pointer}
.knowledge-pick input[type=checkbox]{width:15px;height:15px;margin:2px 0 0;accent-color:#123d36}
.knowledge-pick label small{display:block;color:#7b8a81;font-size:11px}
.education-admin-reset{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin-top:14px;padding-top:12px;border-top:1px dashed #d3ded5;color:#7b6a55;font-size:12px}
@media(max-width:650px){.education-prompt-step{padding:18px 16px 20px}
.education-prompt-step>header{align-items:stretch;flex-direction:column}
.education-prompt-actions>.btn{width:100%}
.education-platforms{margin-left:0}
.education-prompt-output{max-height:360px;padding:13px}
.education-history-list>article{grid-template-columns:30px 1fr}
.education-history-actions{grid-column:2;justify-content:flex-start}
.knowledge-library .knowledge-selection-tray{grid-template-columns:1fr}}
.knowledge-library{max-width:1280px;margin:0 auto}