@charset "UTF-8";
.filing-footer{padding:18px 20px;text-align:center;font-size:12px;line-height:1.8;color:#6d796d;background:#f7f8f3;border-top:1px solid #e3e8e0}.filing-footer a{text-decoration:none}.filing-footer a:hover{text-decoration:underline;text-underline-offset:3px}
:root{--green:#173d36;--green-mid:#2d5f4f;--green-soft:#e7efe8;--ink:#213530;--muted:#77807a;--paper:#f7f8f3;--line:#e3e8e0;--white:#fff;--gold:#bf9d4f;--amber:#9a6d27;--radius:14px;--shadow:0 6px 22px #173d3605;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-size:14px}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.52}button,input,select,textarea,a{touch-action:manipulation}button:focus-visible,a:focus-visible{outline:3px solid #bda460;outline-offset:4px}input,select,textarea{color:var(--ink);background:#fff;border:1px solid #d5ded4;border-radius:8px;padding:12px 14px;max-width:100%;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--green-mid);box-shadow:0 0 0 3px #2d5f4f14}textarea{width:100%;resize:vertical;line-height:1.8}label{display:block;font-weight:500;margin-bottom:9px}input[type=radio],input[type=checkbox]{accent-color:var(--green-mid);flex-shrink:0}h1,h2,h3,p{margin:0}h1{font-size:29px;line-height:1.45;letter-spacing:-.5px;font-weight:600}h2{font-size:19px;font-weight:600;line-height:1.55}h3{font-size:16px;font-weight:600;line-height:1.7}p{line-height:1.9}small{font-size:12px}.icon{width:21px;height:21px;display:inline-block;vertical-align:middle;flex-shrink:0}.muted{color:var(--muted)}.eyebrow{font-size:10px;letter-spacing:1.8px;font-weight:600;color:#698373;margin-bottom:10px}.eyebrow.light{color:#bacfc0}.button{display:inline-flex;justify-content:center;align-items:center;gap:10px;border:1px solid transparent;border-radius:8px;padding:12px 19px;line-height:1.4;font-weight:500;transition:background .15s,transform .15s;white-space:nowrap}.button:hover:not(:disabled){transform:translateY(-1px)}.button.primary{background:var(--green);color:#fff}.button.primary:hover{background:#285345}.button.secondary{border-color:#dce4da;background:#fff;color:var(--green)}.button.cream{background:#e6eace;color:var(--green)}.full{width:100%}.text-button{background:none;border:0;color:var(--green-mid);padding:3px 0;font-size:12px}.text-button:hover,.text-link:hover{color:#638356}.text-link{color:var(--green-mid);font-size:12px;display:inline-flex;align-items:center;gap:7px}.text-link .icon{width:16px}.badge{display:inline-flex;align-items:center;border-radius:5px;padding:4px 8px;font-size:10px;font-weight:500;white-space:nowrap}.badge.amber{color:var(--amber);background:#f7f0df}.badge.green{color:#48744a;background:#eaf3e6}.badge.neutral{color:#768173;background:#f1f3ed}.preserve{white-space:pre-wrap;overflow-wrap:anywhere}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.boot{padding:80px;text-align:center;color:var(--muted)}.toast{position:fixed;z-index:100;bottom:32px;left:50%;transform:translate(-50%,14px);padding:13px 24px;border-radius:10px;background:#203e35;color:white;box-shadow:0 5px 30px #172a2a25;opacity:0;pointer-events:none;transition:all .2s;max-width:90%;text-align:center}.toast.visible{opacity:1;transform:translate(-50%,0)}
@media(max-width:900px){.hero .crop-art text{display:none}}
/* Sign in */
.login-layout{min-height:100vh;display:grid;grid-template-columns:48% 52%}.login-brand{background:var(--green);color:#fff;padding:43px 55px;position:relative;overflow:hidden;display:flex;flex-direction:column;min-height:790px}.brand{display:flex;align-items:center;gap:13px;font-size:19px;letter-spacing:1px;font-weight:600}.brand>.icon{width:36px;height:36px;color:#bccfa8}.brand small{display:block;font-size:9px;letter-spacing:2.1px;font-weight:400;margin-top:5px;opacity:.58}.login-heading{margin-top:110px;z-index:1}.login-heading h1{font-size:49px;line-height:1.4;letter-spacing:2px;font-weight:500;margin:25px 0}.login-heading em{font-style:normal;color:#d2dcb9}.login-heading p{color:#b0c6b7;font-size:14px;line-height:2.1}.login-brand .crop-art{position:absolute;width:440px;right:-90px;bottom:65px;opacity:.75}.login-foot{display:flex;justify-content:space-between;font-size:11px;letter-spacing:1px;color:#a8bfaf;position:relative;margin-top:auto;padding-top:90px}.login-panel{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:50px;background:#fafbf7;position:relative}.local-pill{position:absolute;right:35px;top:30px;display:flex;align-items:center;gap:6px;background:#ebf1e8;color:#657b64;font-size:11px;border-radius:25px;padding:7px 12px}.local-pill .icon{width:13px;height:13px}.login-form-wrap{width:355px;max-width:100%;margin-top:40px}.login-form-wrap h2{font-size:27px;margin-bottom:12px}.login-form-wrap>.muted{margin-bottom:33px}.login-form-wrap input{width:100%;height:47px;margin-bottom:21px}.login-form-wrap label{font-size:12px}.form-error{color:#a14b37;min-height:25px;font-size:12px;margin-bottom:8px}.demo-account{background:#eef2e9;padding:17px 20px;border-radius:10px;margin-top:27px}.demo-account strong{font-size:12px}.demo-account p{font-size:12px;color:#6c796b;line-height:1.9;margin:7px 0}.account-actions{display:flex;gap:24px}.login-note{font-size:11px;color:#8d9388;margin-top:18px}.login-panel footer{font-size:10px;letter-spacing:1px;color:#9a9e94;margin-top:45px}
/* Frame */
.app-shell{display:flex;min-height:100vh}.sidebar{width:226px;flex-shrink:0;background:var(--green);color:#d8e4d8;position:fixed;left:0;top:0;bottom:0;display:flex;flex-direction:column;padding:32px 19px 20px;z-index:20}.sidebar .brand{font-size:16px;letter-spacing:.2px;gap:9px;padding-left:4px;color:#f3f6e8}.sidebar .brand>.icon{width:30px;height:30px}.sidebar .brand small{font-size:8px;letter-spacing:1.8px}.sidebar-label{font-size:10px;letter-spacing:1.5px;color:#88a99a;padding:40px 14px 14px}.nav-item{display:flex;align-items:center;gap:12px;border-radius:8px;padding:13px 15px;font-size:12px;margin-bottom:7px;color:#adc6b8}.nav-item .icon{width:18px;height:18px}.nav-item.active{background:#d9e5cd;color:#244b39;font-weight:600}.nav-item:hover:not(.active){background:#ffffff0b;color:white}.nav-tag{font-size:8px;border:1px solid #537a65;border-radius:4px;padding:2px 4px;margin-left:auto}.sidebar-bottom{margin-top:auto;padding-top:24px}.local-status{font-size:10px;color:#bcd0b6;display:flex;align-items:center;gap:7px;padding:0 14px}.local-status span{width:5px;height:5px;border-radius:50%;background:#a5ba77}.sidebar-bottom>p{font-size:10px;color:#749985;padding:12px 14px 21px;line-height:1.9}.sidebar-user{border-top:1px solid #ffffff13;padding:20px 4px 0;display:flex;align-items:center;gap:9px}.avatar{width:33px;height:33px;background:#385d4b;color:#d5dfb8;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:12px}.sidebar-user strong{font-size:10px;font-weight:500}.sidebar-user small{display:block;font-size:9px;color:#7fa18c;margin-top:3px}.icon-button{background:transparent;border:0;color:#a7bea9;margin-left:auto;padding:5px;display:flex;align-items:center}.icon-button .icon{width:17px}.main-shell{margin-left:226px;width:calc(100% - 226px);min-width:0}.topbar{height:74px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 40px;background:#ffffff88}.breadcrumb{font-size:11px;color:#647368}.breadcrumb span{margin:0 15px;color:#c0c8bc}.topbar-right{display:flex;align-items:center;font-size:10px;color:#8a927e;gap:7px}.draft-dot{width:5px;height:5px;background:#c2aa5d;border-radius:50%}.user-chip{border:1px solid #dfe6d7;padding:6px 10px;border-radius:5px;margin-left:17px;color:#597254}.content{max-width:1470px;margin:0 auto;padding:35px 40px 45px;min-height:calc(100vh - 125px)}.app-footer{padding:18px 40px;color:#9aa294;border-top:1px solid var(--line);font-size:9px;display:flex;justify-content:space-between;letter-spacing:.5px}.mobile-nav{display:none}.page-title{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:26px}.page-title h1{margin-bottom:10px}.page-title p{font-size:12px;color:var(--muted)}.notice{display:flex;align-items:flex-start;gap:10px;padding:14px 17px;background:#f0f2e8;color:#7f826b;border:1px solid #e5e9d9;border-radius:9px;font-size:11px;line-height:1.9;margin-bottom:24px}.notice .icon{width:16px;height:16px;margin-top:2px}.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:var(--shadow)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:21px}.section-heading h2{font-size:17px}.section-heading>.muted{font-size:10px}.section-heading.spaced{margin:30px 0 19px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin:23px 0}.metrics.three{grid-template-columns:repeat(3,1fr)}.metric{border:1px solid var(--line);border-radius:11px;padding:20px;background:white}.metric-top{display:flex;justify-content:space-between;align-items:center;color:#7b8579;font-size:11px}.metric-top .icon{width:18px;height:18px;color:#819d76}.metric>strong{display:block;font-size:28px;font-weight:500;margin:17px 0 6px;letter-spacing:.5px}.metric>strong>span{font-size:15px;color:#acb5a5;font-weight:400}.metric>small{color:#9aa18e;font-size:9px}
/* Home */
.welcome-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.welcome-row h1{font-size:26px;margin-bottom:8px}.welcome-row p{font-size:11px;color:#87917f}.term-tag{text-align:right;color:#9a9e8f;font-size:10px;line-height:2}.term-tag strong{font-size:12px;font-weight:500;color:#65715e}.hero{border-radius:15px;background:#244b3d;min-height:286px;position:relative;overflow:hidden;color:#fff;padding:30px 34px}.hero-copy{position:relative;z-index:1}.hero-kicker{font-size:9px;letter-spacing:2px;color:#bad0ba}.hero h2{font-weight:500;font-size:35px;line-height:1.4;margin:15px 0 10px;letter-spacing:1.5px}.hero p{font-size:11px;color:#a9c0aa;line-height:1.9}.hero .button{margin-top:21px;font-size:11px;padding:10px 16px}.hero .button .icon{width:17px}.hero .crop-art{width:440px;height:320px;position:absolute;right:8px;top:0}.hero-caption{position:absolute;bottom:25px;right:34px;color:#9cb797;font-size:8px;letter-spacing:1.4px}.home-columns{display:grid;grid-template-columns:1.5fr 1fr;gap:20px}.next-unit{display:flex;align-items:center;gap:15px;background:#f6f8f0;padding:18px;border-radius:9px}.unit-index{color:#759266;border:1px solid #d5dfc8;width:46px;height:52px;border-radius:7px;display:flex;justify-content:center;align-items:center;font-size:12px;flex-shrink:0}.next-unit>div:nth-child(2){flex:1}.next-unit .eyebrow{font-size:8px;margin-bottom:8px;display:block;letter-spacing:1px}.next-unit h3{font-size:14px;margin-bottom:7px}.next-unit p{font-size:10px;color:#8a9480}.next-unit>.icon{width:16px;color:#9bab8c}.quick-links{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:16px}.quick-links a{display:flex;align-items:center;gap:8px;font-size:10px;color:#7e8c73;padding:11px 0}.quick-links .icon{width:16px;height:16px}.quick-links a .icon:last-child{margin-left:auto;width:12px}.preparation-row{display:flex;align-items:center;justify-content:space-between;margin:17px 0;font-size:11px;color:#77836d}.preparation-row strong{font-size:10px;font-weight:500;color:#969d87}.preparation p{border-top:1px solid var(--line);padding-top:13px;margin-top:12px;color:#a0a591;font-size:9px;line-height:1.9}.module-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}.module-mini{border:1px solid var(--line);border-radius:10px;padding:16px 15px;background:white}.module-mini>span{font-size:11px;color:#9aac87}.module-mini strong{display:block;font-size:11px;font-weight:500;margin:16px 0 8px}.module-mini small{color:#929a85;font-size:9px}
/* Course and sources */
.course-group{margin-top:30px}.group-heading{display:flex;align-items:center;gap:15px;margin-bottom:17px}.group-number{font-size:11px;color:#819a73;border:1px solid #d8e0d0;padding:9px;border-radius:7px}.group-heading h2{font-size:17px}.group-heading>span:last-child{margin-left:auto;font-size:10px;color:#909987}.unit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.unit-card{background:white;border:1px solid var(--line);border-radius:12px;padding:23px;transition:border-color .2s,transform .2s;display:flex;flex-direction:column}.unit-card:hover{border-color:#adbf9c;transform:translateY(-2px)}.card-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:17px}.unit-code{font-size:10px;letter-spacing:.8px;color:#829375}.unit-card h3{font-size:15px;margin-bottom:12px}.unit-card p{color:#8a9480;font-size:11px;flex:1}.card-foot{display:flex;justify-content:space-between;align-items:center;margin-top:22px;padding-top:15px;border-top:1px solid #edf0e8;font-size:10px;color:#91a181}.card-foot .icon{width:15px}.back-link{display:inline-flex;font-size:11px;color:#799266;margin-bottom:19px}.learning-goal{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:25px;margin:20px 0}.learning-goal>div{padding-right:15px}.learning-goal>div:first-child{display:flex;gap:13px}.learning-goal>.icon,.learning-goal>div>.icon{width:27px;height:27px;color:#759469}.learning-goal p{font-size:12px;color:#7f8975;margin-top:8px}.learning-goal strong{font-size:11px;color:#596d52}.learning-goal .eyebrow{font-size:9px}.learning-goal a{color:#3f785b;text-decoration:underline;text-underline-offset:3px}.source-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin-bottom:18px}.source-card{display:flex;align-items:center;gap:13px;background:white;border:1px solid var(--line);padding:17px;border-radius:10px}.file-mark{width:41px;height:47px;border-radius:8px;background:#eff3e9;display:flex;align-items:center;justify-content:center;color:#789968;flex-shrink:0}.source-card h3{font-size:12px;overflow-wrap:anywhere}.source-card small{color:#949e88;font-size:10px;display:block;margin-top:4px}.source-card>.icon{margin-left:auto;width:15px;color:#9bab8c}.knowledge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.knowledge-card{background:white;border:1px solid var(--line);border-radius:12px;padding:23px;min-width:0;display:flex;flex-direction:column}.knowledge-card h3{font-size:16px;margin-bottom:13px}.knowledge-card>p{color:#6f7f69;font-size:12px;margin-bottom:18px}.misconception{display:flex;flex-direction:column;gap:7px;background:#f7f8f0;color:#949476;font-size:11px;border-radius:7px;padding:13px 15px;line-height:1.8;margin-top:auto}.misconception strong{font-weight:500;font-size:10px;color:#a58d54}.source-links{display:flex;gap:6px;flex-wrap:wrap;margin-top:17px}.source-tag{font-size:9px;display:inline-flex;align-items:center;gap:4px;padding:5px 7px;border:1px solid #e5eadd;border-radius:4px;color:#8a9b77}.source-tag .icon{width:11px;height:11px}.source-tag:hover{background:#f0f4e7}.review-button{margin-top:18px;align-self:flex-start}.lesson-list{padding:6px 23px}.lesson-row{display:flex;align-items:center;gap:15px;padding:21px 0;border-bottom:1px solid #edf0e7}.lesson-row:last-child{border:0}.lesson-number{font-size:11px;color:#b0baa2}.lesson-row>div{flex:1}.lesson-row h3{font-size:12px}.lesson-row p{font-size:10px;color:#96a08b;line-height:1.8;margin-top:6px}.lesson-row>small{font-size:10px;color:#96a08b;white-space:nowrap}.unit-next{display:flex;justify-content:flex-end;gap:13px;margin-top:25px}.filter-bar{display:flex;gap:13px;align-items:end;background:white;border:1px solid var(--line);padding:18px;border-radius:11px;margin-bottom:20px}.filter-bar label{font-size:11px;color:#859277;margin:0;display:block;flex:1}.filter-bar label select{display:block;margin-top:8px;width:100%}.filter-bar>.search-field{flex:1;min-width:0}.search-field{display:flex;align-items:center;position:relative}.search-field .icon{position:absolute;left:14px;width:16px;color:#99a88c}.search-field input{padding-left:41px;width:100%}.filter-bar>select{max-width:36%;width:280px}.results-line{display:flex;align-items:center;gap:6px;color:#8d9780;font-size:11px;margin-bottom:18px}.results-line span{margin-left:auto;font-size:10px;color:#a2aa95}.empty-state{text-align:center;padding:45px 25px;color:#95a08b;font-size:12px;grid-column:1/-1}
/* Quizzes */
.quiz-panel{max-width:960px;margin:0 auto;padding:30px 35px}.quiz-heading{display:flex;justify-content:space-between;color:#9ba38f;font-size:11px;align-items:center}.quiz-id{font-size:10px;margin-left:13px;color:#8c9880}.quiz-panel>h2{font-size:20px;line-height:1.9;margin:30px 0}.answer-options{display:grid;gap:12px;margin:0 0 25px}.answer-option{border:1px solid #dde5d6;border-radius:9px;display:flex;align-items:center;gap:12px;padding:16px 20px;color:#627258;font-size:13px;cursor:pointer;line-height:1.7;margin:0}.answer-option:has(input:checked){border-color:#829e6d;background:#f2f6e9}.answer-option input{margin:0;width:15px;height:15px}.quiz-actions{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-top:25px}.quiz-actions>div{display:flex;gap:10px}.quiz-actions .button{font-size:11px}.answer-feedback{border:1px solid #dbe6cd;border-radius:9px;background:#f2f7e9;padding:19px 23px;margin-top:25px;color:#61814a}.answer-feedback>strong{font-size:14px}.answer-feedback p{font-size:12px;line-height:2;margin:12px 0}.answer-feedback small{color:#8c9b79;font-size:10px}
/* Labs and teacher */
.lab-tabs{display:flex;gap:11px;margin-bottom:23px}.lab-tab{display:flex;align-items:center;gap:15px;padding:12px 18px;border:1px solid #dbe3d0;border-radius:9px;background:white;color:#8c9c79;font-size:11px}.lab-tab span{font-size:9px}.lab-tab.active{background:#e3ebd8;border-color:#b7caa4;color:#416234}.lab-columns{display:grid;grid-template-columns:1fr 1fr;gap:22px}.lab-brief h2{font-size:21px;margin-bottom:25px}.brief-block{margin-bottom:25px}.brief-block h3{font-size:12px;color:#60804b;margin-bottom:9px}.brief-block p{font-size:12px;color:#7e8b72}.lab-submit h2{margin-bottom:10px}.lab-submit>.muted{font-size:11px;margin-bottom:21px}.lab-submit label{font-size:11px;color:#7d8d71;margin-top:19px}.lab-submit .help-text{display:block;color:#a1a892;font-size:9px;line-height:1.8;margin:12px 0 20px}.lab-submit input[type=file]{width:100%;font-size:10px;padding:13px}.lab-submit .button{font-size:12px}.submission-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.submission-card{background:#fff;border:1px solid var(--line);padding:23px;border-radius:12px;min-width:0}.submission-card>h3{font-size:14px;margin-bottom:13px}.submission-card>p{font-size:12px;color:#7a896d;max-height:220px;overflow:auto}.submission-meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:20px;font-size:9px;color:#a1aa94}.submission-meta .text-link{font-size:10px}.grade-feedback{background:#eff4e7;border-radius:8px;padding:14px;margin-top:19px;color:#67884e}.grade-feedback strong{font-size:11px;font-weight:500}.grade-feedback p{font-size:11px;margin-top:9px}.grading-form,.attempt-grade-form{margin-top:20px;padding-top:20px;border-top:1px solid #e5eadd}.grading-form label,.attempt-grade-form label{font-size:11px;color:#879878;margin-top:14px}.grade-inputs{display:grid;grid-template-columns:1fr 1fr;gap:17px}.grading-form input,.attempt-grade-form input{width:100%;margin-top:8px}.grading-form textarea,.attempt-grade-form textarea{margin-top:8px}.grading-form .button,.attempt-grade-form .button{margin-top:15px;font-size:11px}.table-panel{padding:0;overflow:auto}table{border-collapse:collapse;width:100%;text-align:left;font-size:11px}th{background:#f3f6ed;color:#7f9270;font-size:10px;font-weight:500}td,th{padding:17px 20px;border-bottom:1px solid #e9ede0;vertical-align:top;line-height:1.9}td small{display:block;color:#a0aa91;margin-top:5px;font-size:9px}td.preserve{max-width:250px}td:nth-child(4){max-width:320px}tr:last-child td{border-bottom:0}.empty-cell{text-align:center;padding:40px;color:#98a88a}.completed-list{display:flex;flex-wrap:wrap;gap:11px}.completed-list a{font-size:11px;display:flex;align-items:center;gap:9px;border:1px solid #dfe8d3;background:#f4f8ed;padding:10px 12px;border-radius:6px;color:#7a9861}.completed-list .icon{width:14px}.teacher-links{display:flex;align-items:center;justify-content:space-between;gap:20px}.teacher-links h3{font-size:14px}.teacher-links p{font-size:11px;color:#8c9c7c;margin-top:8px}.audit-list>div{display:flex;gap:20px;padding:16px 0;border-bottom:1px solid #e7eddd;font-size:11px;align-items:center}.audit-list>div:last-child{border:0}.audit-list strong{font-weight:500;color:#7d9566}.audit-list span{color:#9aa78a}.audit-list small{margin-left:auto;color:#a2ad96;font-size:9px}
/* Assistant */
.assistant-layout{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:23px}.assistant-main{padding:27px}.assistant-mode{display:flex;align-items:center;gap:12px;border-bottom:1px solid #e5ebdc;padding-bottom:23px}.assistant-avatar{width:43px;height:43px;background:#e9f0df;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#6d9350}.assistant-mode strong{font-size:12px;font-weight:500}.assistant-mode small{display:block;color:#99a58d;font-size:9px;margin-top:8px;line-height:1.8}.assistant-mode>.badge{margin-left:auto}.assistant-intro{padding:29px 0 23px}.assistant-intro h2{font-size:21px;margin-bottom:10px}.assistant-intro p{font-size:11px;color:#99a48d}.suggested-queries{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:22px}.suggested-queries button{font-size:10px;text-align:left;border:1px solid #e4ebd9;color:#859b6e;background:#f8faf3;border-radius:7px;padding:13px;display:flex;align-items:center;justify-content:space-between;gap:8px}.suggested-queries .icon{width:12px}.chat-actions{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:15px}.check-label{font-size:9px;display:flex;align-items:center;gap:6px;color:#99a38c;margin:0;line-height:1.8}.chat-actions .button{font-size:10px;padding:11px 14px}.assistant-side>.notice{margin-top:20px}.assistant-side .panel{padding:23px}.assistant-side h3{font-size:15px;margin:20px 0}.assistant-side ol{list-style:none;counter-reset:steps;padding:0}.assistant-side li{counter-increment:steps;position:relative;padding:0 0 24px 25px}.assistant-side li:before{content:'0'counter(steps);position:absolute;left:0;top:1px;font-size:9px;color:#afba9e}.assistant-side li strong{display:block;font-size:11px;font-weight:500;color:#7c9566}.assistant-side li span{display:block;font-size:10px;line-height:1.9;color:#a1ad92;margin-top:8px}.assistant-answer{border-top:1px solid #e2ebd8;margin-top:27px;padding-top:23px}.answer-mode{display:flex;align-items:center;gap:9px;color:#73965a;font-size:11px;margin-bottom:18px}.assistant-answer>.preserve{color:#6b7e5b;font-size:12px}.ai-notice{padding:12px 14px;background:#f3f6ed;border-radius:7px;margin:15px 0;color:#959d82;font-size:10px}.assistant-answer>h3{font-size:12px;color:#839a6c;margin:23px 0 15px}.assistant-sources{display:grid;gap:15px}.knowledge-card.compact{padding:18px;background:#fafcf6}.knowledge-card.compact h3{font-size:13px}.knowledge-card.compact>p{font-size:11px}.knowledge-card.compact .misconception{background:white}
@media(min-width:1550px){.content{padding:42px 60px}.hero{min-height:315px}.hero .crop-art{width:490px;height:340px;right:70px}.hero h2{font-size:39px}.hero-caption{right:60px}}
@media(max-width:1150px){.sidebar{width:208px;padding-left:15px;padding-right:15px}.main-shell{margin-left:208px;width:calc(100% - 208px)}.content{padding:28px}.topbar{padding:0 28px}.hero .crop-art{width:350px;right:-35px;top:5px;opacity:.9}.hero-caption{font-size:7px;right:20px}.hero-copy p{font-size:10px}.metrics{gap:12px}.metric{padding:16px}.metric small{font-size:8px}.home-columns{gap:16px;grid-template-columns:1.3fr 1fr}.panel{padding:20px}.next-unit{padding:14px;gap:10px}.quick-links{display:block;margin-top:12px}.quick-links a{padding:8px 0}.unit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.assistant-layout{grid-template-columns:minmax(0,1fr) 210px}.assistant-main{padding:23px}.chat-actions{align-items:flex-start}.assistant-mode small{max-width:260px}.page-title .button{font-size:11px}.learning-goal{gap:16px;grid-template-columns:1.3fr 1fr}.learning-goal>div:last-child{grid-column:1/-1;border-top:1px solid #e5ebdc;padding-top:17px}.hero h2{font-size:32px}}
@media(max-width:900px){.sidebar{width:185px;padding:28px 12px 18px}.sidebar .brand{font-size:13px;gap:7px}.sidebar .brand small{font-size:7px;letter-spacing:1.4px}.sidebar .brand>.icon{width:27px}.main-shell{margin-left:185px;width:calc(100% - 185px)}.content{padding:25px 23px}.nav-item{padding:13px 11px;font-size:11px;gap:10px}.topbar{padding:0 23px}.topbar-right{font-size:9px}.user-chip{margin-left:7px}.home-columns,.lab-columns{grid-template-columns:1fr}.hero .crop-art{width:315px;opacity:.75;right:-58px}.hero-caption{font-size:6px;max-width:160px;text-align:right;line-height:1.9}.metrics{grid-template-columns:repeat(2,1fr)}.module-strip{grid-template-columns:repeat(3,1fr)}.welcome-row h1{font-size:22px}.term-tag{display:none}.assistant-layout{grid-template-columns:1fr}.assistant-side{display:none}.knowledge-grid,.submission-grid{grid-template-columns:1fr}.source-grid{grid-template-columns:1fr}.filter-bar{flex-wrap:wrap}.filter-bar>select{max-width:100%;width:auto;flex:1}.page-title{flex-wrap:wrap}.lesson-row{flex-wrap:wrap}.lesson-row>div{min-width:60%}.lesson-row small{margin-left:30px}.metrics.three{grid-template-columns:repeat(3,1fr)}.login-layout{grid-template-columns:44% 56%}.login-brand{padding:35px 30px;min-height:760px}.login-brand .brand{font-size:15px}.login-heading{margin-top:90px}.login-heading h1{font-size:38px}.login-heading p{font-size:12px}.login-foot{display:block}.login-foot span{display:block;margin-top:10px}.login-panel{padding:40px 30px}.login-form-wrap h2{font-size:23px}.login-brand .crop-art{width:320px;right:-80px;bottom:100px}}
@media(max-width:650px){.sidebar{display:none}.main-shell{margin-left:0;width:100%}.topbar{height:62px;padding:0 20px}.breadcrumb{font-size:10px}.breadcrumb span{margin:0 8px}.topbar-right{font-size:8px;gap:5px}.user-chip{display:none}.mobile-nav{display:flex;padding:10px 16px;background:#ebf0e4;gap:19px;overflow:auto;font-size:11px;color:#627c4d;border-bottom:1px solid #d9e3cd;white-space:nowrap}.mobile-nav button{border:0;background:none;color:#789364;font-size:11px;padding:0}.content{padding:25px 19px}.welcome-row{margin-bottom:22px}.welcome-row h1{font-size:21px}.welcome-row p{font-size:10px}.eyebrow{font-size:8px}.hero{min-height:290px;padding:25px}.hero h2{font-size:32px}.hero .crop-art{width:285px;right:-87px;top:8px;opacity:.5}.hero-caption{font-size:6px;right:17px;bottom:21px;max-width:127px}.hero p{font-size:10px}.metrics{gap:12px}.metric{padding:18px}.metric>strong{font-size:25px}.metric-top{font-size:10px}.metric small{font-size:8px}.metrics.three{grid-template-columns:1fr 1fr}.page-title h1{font-size:25px}.page-title p{font-size:11px}.panel{padding:19px}.home-columns{gap:17px}.module-strip{grid-template-columns:repeat(2,1fr);gap:12px}.unit-grid{grid-template-columns:1fr}.group-heading h2{font-size:14px}.group-heading{gap:11px}.group-heading>span:last-child{font-size:9px;flex-shrink:0}.unit-card{padding:21px}.learning-goal{grid-template-columns:1fr;gap:18px}.learning-goal>div:last-child{grid-column:auto;border:0;padding:0}.knowledge-card{padding:20px}.knowledge-card h3{font-size:15px}.filter-bar{padding:15px;gap:11px}.filter-bar>.search-field{flex-basis:100%}.filter-bar label:first-child{flex-basis:100%}.filter-bar .button{font-size:11px}.results-line span{font-size:8px}.lesson-row{gap:12px}.lesson-row .badge{margin-left:auto}.unit-next{flex-direction:column}.quiz-panel{padding:23px 20px}.quiz-panel>h2{font-size:17px;margin:24px 0}.quiz-id{font-size:9px;margin-left:8px}.answer-option{padding:14px;font-size:12px}.quiz-actions{gap:10px}.quiz-actions .button{padding:10px 13px;font-size:10px}.answer-feedback{padding:17px}.lab-tabs{gap:7px}.lab-tab{padding:12px;gap:5px;flex-direction:column;flex:1}.lab-brief h2{font-size:20px}.assistant-main{padding:19px}.assistant-mode{gap:9px}.assistant-mode strong{font-size:11px}.assistant-mode small{font-size:8px}.assistant-mode>.badge{font-size:8px}.assistant-avatar{width:37px;height:37px}.assistant-intro h2{font-size:20px}.suggested-queries{grid-template-columns:1fr}.chat-actions{flex-direction:column;align-items:stretch;gap:14px}.check-label{font-size:9px}.table-panel{padding:0}td,th{padding:13px;font-size:10px}table{min-width:500px}.teacher-links{flex-wrap:wrap}.audit-list>div{flex-wrap:wrap;gap:8px}.audit-list small{margin-left:0;flex-basis:100%}.app-footer{padding:18px;font-size:8px;gap:10px}.app-footer span:last-child{text-align:right}.login-layout{grid-template-columns:1fr}.login-brand{min-height:235px;padding:25px 28px}.login-brand .brand{font-size:17px}.login-heading{margin-top:28px}.login-heading .eyebrow{font-size:8px}.login-heading h1{font-size:27px;line-height:1.6;margin:13px 0 0}.login-heading h1 br{display:none}.login-heading p,.login-foot{display:none}.login-brand .crop-art{width:220px;right:-75px;bottom:-30px;opacity:.45}.login-panel{padding:47px 28px 25px}.local-pill{top:14px;right:20px;font-size:9px;padding:6px 10px}.login-form-wrap{width:100%;margin-top:10px}.login-form-wrap h2{font-size:24px}.login-form-wrap>.muted{font-size:12px;margin-bottom:28px}.login-note{font-size:10px}.login-panel footer{margin-top:28px;font-size:9px}}