/* Zhixing — a course notebook. One shared system for teachers and students. */
:root{--ink:#292c2b;--muted:#6b706c;--brand:#ad4931;--brand-hover:#913a26;--dark:#2d3430;--bg:#fafaf7;--paper:#fff;--line:#e4e6df;--pale:#f5f2eb;--amber:#8a5b22;--green:#456353;--radius:12px;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{border:0;cursor:pointer;transition:background .18s,color .18s,border-color .18s,box-shadow .18s}button:disabled{cursor:wait;opacity:.55}a{color:var(--brand);text-decoration:none;transition:color .18s,background .18s}a:hover{color:var(--brand-hover)}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--brand);outline-offset:4px}input:focus,textarea:focus,select:focus{outline:2px solid #ad49317a;outline-offset:2px}h1,h2,h3,h4,p,figure{margin:0}h1{font-size:32px;line-height:1.4;font-weight:650;letter-spacing:-.6px}h2{font-size:20px;line-height:1.55;font-weight:600}h3{font-size:16px;line-height:1.55;font-weight:600}h4{font-size:15px}p{overflow-wrap:anywhere}img{display:block;max-width:100%}button{color:inherit}input,textarea,select{color:var(--ink)}.icon{width:20px;height:20px;display:inline-block;flex:none;vertical-align:middle;stroke:currentColor;fill:none;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round}.row{display:flex;align-items:center;gap:10px}.muted{color:var(--muted)}.small{font-size:13px}.section-kicker,.eyebrow{display:block;font-size:11px;letter-spacing:1.4px;font-weight:550;color:var(--muted);line-height:1.6}.section-kicker:lang(zh){letter-spacing:1px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:10px;left:250px;z-index:200;transform:translateY(-150%);padding:12px 18px;background:var(--ink);color:white;border-radius:6px}.skip-link:focus{transform:none;color:white}.main:focus{outline:0}
/* Persistent course frame */
.shell{min-height:100vh;display:flex}.sidebar{position:fixed;inset:0 auto 0 0;width:224px;z-index:40;display:flex;flex-direction:column;overflow:auto;background:#f4f5ef;border-right:1px solid var(--line);padding:31px 16px 18px}.sidebar-brand{display:flex;align-items:center;justify-content:space-between;padding:0 11px}.logo{display:flex;align-items:center;gap:12px;color:var(--ink)}.logo:hover{color:var(--ink)}.logomark{display:grid;place-items:center;background:var(--brand);color:white;width:36px;height:40px;border-radius:6px 6px 11px 6px}.logomark>.icon{width:24px;height:24px;stroke-width:1.5}.brand-name{font-family:"Songti SC",STSong,serif;font-size:28px;font-weight:750;letter-spacing:2px;line-height:1.2}.brand-en{display:block;font:8px/1.5 Arial,sans-serif;letter-spacing:3px;color:#626861;margin-top:4px}.course-switch{display:flex;gap:10px;align-items:center;margin:32px 1px 20px;padding:14px 8px;border-top:1px solid #dde1d7;border-bottom:1px solid #dde1d7}.course-symbol{display:grid;place-items:center;background:#e7eadf;color:#5e6755;width:33px;height:35px;font-size:11px;border-radius:4px;flex:none}.course-switch strong{display:block;font-size:12px;font-weight:550;letter-spacing:-.15px}.course-switch small{font-size:11px;color:var(--muted);display:block;margin-top:3px}.nav-section{font-size:11px;letter-spacing:1.4px;color:#62675e;padding:0 12px;margin:9px 0}.nav{display:grid;gap:5px}.nav a{display:flex;align-items:center;gap:11px;min-height:44px;font-size:13px;padding:9px 12px;color:#60675e;border-radius:6px;position:relative}.nav .icon{width:18px;height:18px}.nav a:hover{color:var(--ink);background:#e9ece3}.nav a.active{color:white;background:var(--dark);box-shadow:0 3px 6px #242e2710}.nav a.active:before{content:"";width:3px;height:16px;position:absolute;left:0;background:#df956f;border-radius:2px}.nav-count{margin-left:auto;background:#dca282;color:#2c312b;min-width:19px;text-align:center;line-height:20px;font-size:11px;border-radius:4px}.resource-nav-label{margin-top:28px}.sidebottom{margin-top:auto;padding-top:30px}.side-resource{display:block;padding:15px 12px;border:1px solid #d9dfd1;border-radius:7px;background:#edf0e6;color:#495740}.side-resource .section-kicker{font-size:10px;color:#5c6b51}.side-resource strong{display:block;font-size:12px;margin:7px 0 8px;font-weight:550}.side-resource>span:last-child{font-size:10px;display:flex;align-items:center;justify-content:space-between;color:#5a6853;gap:4px}.side-resource .icon{width:14px;height:14px}.profile{display:flex;align-items:center;gap:10px;padding:18px 6px 0;margin-top:21px;border-top:1px solid #dfe3d9;color:var(--ink)}.profile>span:nth-child(2){flex:1;min-width:0}.profile strong{display:block;font-size:12px;font-weight:600;overflow-wrap:anywhere}.profile small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.profile>.icon{width:17px;height:17px;color:#63685a}.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#e6ddce;color:#786348;font-size:14px;flex:none}.profile.active strong{color:var(--brand)}.workspace{margin-left:224px;width:calc(100% - 224px);min-width:0}.topbar{height:75px;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:0 38px;border-bottom:1px solid var(--line);background:#ffffffa6}.breadcrumb-home,.breadcrumb-separator{font-size:12px;color:#616660}.breadcrumb-separator{margin:0 5px;color:#646760}.crumb{font-size:12px;color:#454e43}.topright{display:flex;align-items:center;gap:21px}.search-trigger{display:flex;align-items:center;gap:9px;background:transparent;color:#62675e;font-size:12px;min-height:44px;border:0}.search-trigger>.icon{width:16px;height:16px}kbd{font:10px ui-monospace,monospace;padding:2px 5px;border:1px solid #dfe3d9;background:white;border-radius:4px;color:#63675f;margin-left:18px}.role-label{display:flex;align-items:center;gap:6px;font-size:11px;color:#596451;border-left:1px solid var(--line);padding-left:21px}.role-label>span{width:5px;height:5px;background:#788b68;border-radius:50%}.iconbutton{width:40px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;background:transparent;color:#5f6857;padding:0;flex:none;cursor:pointer}.iconbutton:hover{background:#eff1e9;color:var(--ink)}.iconbutton .icon{width:18px;height:18px}.menu,.sidebar-close,.sidebar-overlay,.mobile-dock{display:none}.main{padding:32px 38px 38px;max-width:1460px;margin:0 auto;min-height:calc(100vh - 141px);scroll-margin-top:24px}.workspace-foot{display:flex;justify-content:space-between;gap:15px;padding:0 38px 23px;font-size:10px;color:#63685f;max-width:1460px;margin:auto}.heading,.page-heading{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:30px}.heading h1{font-size:30px}.heading p,.page-heading p{font-size:13px;color:var(--muted);margin-top:8px}.page-heading .section-kicker{font-size:12px;color:#63685f;letter-spacing:0;margin-bottom:7px}.home-date{text-align:right;flex:none;padding:2px 0 2px 21px;border-left:1px solid var(--line)}.home-date strong{display:block;font-size:16px;font-weight:550}.home-date span{display:block;font-size:12px;color:#62695c;margin-top:3px}.page-chip{display:flex;align-items:center;gap:8px;font-size:12px;color:#596550;background:#eff2e9;padding:9px 13px;border-radius:6px;white-space:nowrap}.page-chip>.icon{width:15px;height:15px}
/* Shared forms and reading surfaces */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:44px;padding:10px 17px;border:1px solid transparent;border-radius:6px;background:var(--brand);color:white;font-size:13px;font-weight:550;line-height:1.6;white-space:nowrap}.btn:hover{background:var(--brand-hover);color:white}.btn.secondary{background:#fff;color:#4c5747;border-color:#dce1d5}.btn.secondary:hover{background:#f5f6f0;border-color:#bfcbb5}.btn.ghost{background:transparent;color:#536448}.btn.ghost:hover{background:#f1f4ec}.btn.danger{background:#f9eee8;color:#9d4230}.btn.imported{background:#eaf0e5;color:#4c6640;opacity:1;cursor:default}.btn .icon{width:16px;height:16px}.full-width{width:100%}.text-link{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;font-size:12px;font-weight:500;color:#536648;background:transparent;padding:0}.text-link .icon{width:14px;height:14px}.text-link:hover{color:var(--brand)}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;margin-bottom:23px;min-width:0}.panelhead{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:23px}.panelhead h2{font-size:17px}.panelhead p{font-size:12px;color:var(--muted);margin-top:5px}.panelhead>.icon{color:#5d6a51}.panelhead .section-kicker{margin-bottom:8px}.grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,1fr);gap:24px}.grid.equal{grid-template-columns:repeat(2,minmax(0,1fr))}.field{display:flex;flex-direction:column;gap:8px;margin-bottom:22px}.field label{font-size:13px;font-weight:550;color:#474e43}.field small{font-size:12px;color:var(--muted)}input,textarea,select{width:100%;min-width:0;min-height:45px;border:1px solid #ccd3c6;border-radius:6px;padding:11px 12px;background:#fff;font-size:14px;line-height:1.7}input::placeholder,textarea::placeholder{color:#626560;font-size:13px}textarea{resize:vertical;min-height:145px}select{padding-right:20px}.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:22px}.formgrid .field{margin:0}.notice{border-left:3px solid #a5b295;background:#f3f5ee;padding:13px 16px;border-radius:0 5px 5px 0;color:#566349;font-size:12px;line-height:1.85;margin-bottom:19px;overflow-wrap:anywhere}.notice.warning{border-color:#ccad69;background:#fbf7ed;color:#76623b}.notice.error{border-color:#c77969;background:#faf0eb;color:#924d3b}.notice .icon{width:16px;height:16px}.tabs{display:flex;gap:5px;width:fit-content;max-width:100%;background:transparent;border-bottom:1px solid var(--line);margin-bottom:25px;border-radius:0;flex-wrap:wrap}.tabs button{position:relative;min-height:46px;padding:11px 18px;background:transparent;color:#61675c;font-size:13px;white-space:nowrap}.tabs button.active{color:var(--brand);font-weight:550}.tabs button.active:after{content:"";position:absolute;bottom:-1px;height:2px;background:var(--brand);left:13px;right:13px}.tabs button:hover{color:var(--ink);background:#f4f5ee}.pill,.badge-num{display:inline-flex;align-items:center;gap:5px;width:fit-content;font-size:11px;font-weight:500;line-height:1.7;border-radius:4px;padding:3px 7px;color:#46613d;background:#edf2e6;white-space:nowrap}.pill.grey,.badge-num{color:#5f6857;background:#f0f2ed}.pill.amber{color:#825d26;background:#fbf0db}.document{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:2;color:#51594e}.document h3{font-size:18px;font-weight:600;color:#303b2b;margin:22px 0 8px;line-height:1.65}.document strong{font-weight:600;color:#35412e}.document code{font:13px/1.8 ui-monospace,monospace;color:#655b45;background:#f3f1e9;padding:2px 5px;border-radius:4px}.empty,.calm-empty{padding:33px 24px;background:#f8f9f4;border:1px dashed #dfe4d8;border-radius:8px;color:#5d6854;font-size:13px;line-height:1.9}.empty{text-align:center}.empty>.icon{display:block;margin:0 auto 12px;width:29px;height:29px;color:#616955}.calm-empty{display:flex;align-items:center;gap:18px}.calm-empty>.icon{width:29px;height:29px;color:#5f6a51}.calm-empty h3{font-size:14px;font-weight:550;color:#515f46}.calm-empty p{font-size:12px;color:#616859;margin-top:6px}.listitem{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:19px 0;border-bottom:1px solid var(--line)}.listitem:last-child{border:0}.listitem h3{font-size:14px}.listitem p{color:var(--muted);font-size:12px;margin-top:5px}.listitem>.row{flex-shrink:0}.upload{border:1px dashed #bcc7b0;background:#f7f9f2;border-radius:8px;padding:18px;margin-bottom:22px}.upload label{font-size:13px;font-weight:550;color:#58684a;display:flex;align-items:center;gap:8px}.upload input{font-size:12px;padding:12px 0;border:0;background:transparent;min-height:0}.upload .muted{font-size:11px;color:#62685a}.footertext{font-size:12px;color:var(--muted);margin-top:22px}.loginerror{font-size:13px;color:#a0442e;margin-top:12px}.loginerror:empty{display:none}.busy{font-size:13px;padding:16px 19px;color:#635b44;background:#f5f1e5;border-radius:6px}.dot{width:7px;height:7px;background:var(--brand);border-radius:50%;display:inline-block;margin-right:7px}#toast{position:fixed;z-index:120;bottom:27px;left:50%;transform:translateX(-50%);display:none;width:max-content;max-width:calc(100vw - 40px);padding:14px 22px;border-radius:8px;background:#303a2b;color:white;font-size:13px;box-shadow:0 9px 32px #26302126}.loading{text-align:center;padding:80px 20px;color:var(--muted)}
/* The notebook dashboard */
.dashboard-grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px}.dashboard-primary,.dashboard-rail{min-width:0}.course-cover{position:relative;display:grid;grid-template-columns:1fr 1fr;min-height:310px;isolation:isolate;overflow:hidden;border-radius:11px;background:#eee8db;border:1px solid #e3ddcf}.course-cover-copy{padding:28px 10px 28px 30px;z-index:2}.course-label{display:flex;align-items:center;gap:10px;font-size:10px;color:#6b6556;letter-spacing:1px;margin-bottom:20px}.course-label>span{border-left:1px solid #c9c2b2;padding-left:10px}.course-cover h2{font-family:"Songti SC",STSong,serif;font-size:37px;font-weight:650;line-height:1.4;color:#3c4034;letter-spacing:1px}.cover-period{color:var(--brand)}.course-cover p{font-size:12px;color:#626756;line-height:1.9;margin-top:17px}.cover-link{font-size:12px;display:inline-flex;gap:14px;align-items:center;margin-top:22px;color:#785039;border-bottom:1px solid #b9a28b;padding-bottom:4px}.cover-link .icon{width:16px;height:16px}.home-illustration{position:relative;align-self:stretch;overflow:hidden;margin:15px 15px 15px 0;border-radius:100px 8px 8px 8px}.home-illustration img{width:100%;height:100%;object-fit:cover;object-position:64% center}.home-illustration figcaption{position:absolute;bottom:8px;right:10px;font-size:9px;background:#f4efdfdd;color:#5d634f;border-radius:3px;padding:1px 4px}.cover-index{position:absolute;bottom:20px;left:42%;font-family:"Songti SC",serif;writing-mode:vertical-rl;font-size:12px;letter-spacing:8px;color:#6c6451;z-index:3;pointer-events:none}.course-stats{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line);padding:25px 0;margin-bottom:29px}.course-stats>div{display:flex;align-items:center;gap:14px;padding:0 20px;border-right:1px solid var(--line)}.course-stats>div:first-child{padding-left:4px}.course-stats>div:last-child{border:0}.stat-icon{display:grid;place-items:center;color:#5f6952;background:#eff2e9;border-radius:50%;width:36px;height:36px;flex:none}.stat-icon>.icon{width:18px;height:18px}.course-stats strong{font:26px/1.2 Georgia,serif;color:#37412f;display:block;letter-spacing:1px}.course-stats small{font-size:11px;color:#606756;display:block;margin-top:5px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.section-heading h2{font-size:19px;margin-top:4px}.section-heading .section-kicker{font:9px/1.7 Arial,sans-serif;letter-spacing:1.9px;color:#656759}.section-heading>.text-link{flex:none;font-size:11px}.task-section{margin-bottom:29px}.task-list{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff}.task-row{display:flex;align-items:center;width:100%;text-align:left;gap:15px;padding:21px 20px;background:white;border-bottom:1px solid var(--line)}.task-row:last-child{border:0}.task-row:hover{background:#f5f7ef}.task-row-number{font:18px Georgia,serif;color:#696453;flex:none}.task-row-icon{width:31px;display:grid;place-items:center;color:#606853}.task-row-copy{flex:1;min-width:0}.task-row strong{font-size:14px;display:block;font-weight:550;overflow-wrap:anywhere}.task-row small{font-size:11px;color:#626859;margin-top:6px;display:block}.task-row-end{display:flex;gap:10px;align-items:center;flex:none;color:#5b6b4d}.task-row-end .icon{width:15px;height:15px}.task-row-end .small{font-size:11px}.task-list>.calm-empty{border:0;border-radius:0}.recent-row{display:flex;align-items:center;gap:13px;width:100%;text-align:left;padding:15px 4px;border-bottom:1px solid var(--line);background:transparent}.recent-row>span:nth-child(2){flex:1;min-width:0}.recent-row strong{font-size:13px;display:block;font-weight:550}.recent-row small{display:block;font-size:11px;color:#62685a;margin-top:4px}.recent-row>.icon{width:15px;color:#5f6852}.recent-row:hover{background:#f2f4ed}.recent-document{width:37px;height:43px;display:grid;place-items:center;border:1px solid #e1e4d8;background:white;color:#616856;border-radius:4px}.quick-note{padding:23px;background:#fff;border:1px solid #e2e5dc;border-radius:10px;box-shadow:0 3px 9px #2e362503}.note-heading{display:flex;align-items:center;gap:9px;margin-bottom:16px}.note-heading .section-kicker{font-size:10px;color:#7f604d}.note-icon{color:var(--brand);display:flex}.note-icon .icon{width:18px;height:18px}.quick-note h2{font-size:18px;font-weight:600;margin-bottom:9px}.quick-note>p{font-size:13px;line-height:1.9;color:#61675a;margin-bottom:18px}.quick-note textarea{min-height:108px;resize:vertical;background:#fafbf8;border-color:#dce2d4;font-size:13px;line-height:1.8;padding:13px}.quick-note textarea::placeholder{font-size:12px;color:#61675c}.quick-note .btn{margin-top:11px;font-size:12px}.starter-chips{display:flex;gap:7px;flex-wrap:wrap;margin-top:13px}.chip{background:transparent;border:1px solid #e2e6d8;border-radius:4px;color:#5f6a53;font-size:10px;padding:6px 8px;min-height:34px;white-space:nowrap}.chip:hover{border-color:#b6c3a7;background:#f2f5ec;color:#425436}.reading-note{border:1px solid #e1e4d7;border-radius:10px;overflow:hidden;margin-top:23px;background:#f0f3e9}.reading-note figure{height:125px;position:relative;overflow:hidden}.reading-note img{height:100%;width:100%;object-fit:cover;object-position:center 58%}.reading-note figcaption{position:absolute;bottom:5px;right:6px;font-size:8px;background:#f1f2e5d9;padding:1px 4px;border-radius:2px;color:#5d6750}.reading-note>div{padding:20px 23px}.reading-note .section-kicker{font-size:10px;color:#5d684d;letter-spacing:.8px}.reading-note h3{font-size:17px;margin-top:7px;font-family:"Songti SC",STSong,serif;color:#445037}.reading-note p{font-size:13px;color:#616853;line-height:1.85;margin-top:9px}.reading-note .text-link{font-size:11px;margin-top:13px;color:#516540}.rail-link{display:flex;align-items:center;gap:10px;margin-top:21px;padding:0 3px;color:#5c694d}.rail-link>.icon{width:17px;height:17px}.rail-link>.icon:last-child{width:13px;margin-left:auto}.rail-link a{color:inherit;flex:1}.rail-link strong{font-size:12px;font-weight:550;display:block}.rail-link span{display:block;font-size:10px;margin-top:4px;color:#616856}
/* Lesson workbench */
.prep-layout{display:grid;grid-template-columns:minmax(310px,.8fr) minmax(0,1.2fr);gap:27px;align-items:start}.prep-form{margin:0}.prep-form .panelhead h2{font-size:19px}.prep-form .panelhead .section-kicker{font-size:10px;color:#72614d}.prep-form textarea{min-height:196px;font-size:13px;line-height:1.9}.prep-form .formgrid{grid-template-columns:1fr}.lesson-shelf{background:#f0f2eb;border:1px solid #e0e5d7;border-radius:12px;min-height:610px;padding:22px}.shelf-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:21px}.shelf-heading .section-kicker{color:#5e684f;font-size:10px}.lesson-placeholder{position:relative;background:#fffef9;border:1px solid #e4e4d9;border-radius:2px 9px 9px 2px;box-shadow:5px 5px 0 #e8ecdf;padding:38px 31px 0;min-height:509px}.manuscript-stamp{display:inline-block;font:11px/1.6 "Songti SC",serif;letter-spacing:2px;color:var(--brand);border:1px solid #c97c5e;padding:4px 9px;transform:rotate(-3deg);margin-bottom:33px}.lesson-placeholder h2{font-family:"Songti SC",STSong,serif;font-size:25px;color:#49513e;letter-spacing:.5px}.lesson-placeholder>p{font-size:12px;line-height:2;color:#63695a;margin-top:16px}.outline-preview{margin-top:32px;border-top:1px solid #e6e7dc}.outline-preview>span{display:flex;align-items:center;gap:18px;padding:16px 0;border-bottom:1px solid #eceee5;font-size:12px;color:#5d6a4f}.outline-preview b{font:12px Georgia,serif;color:#686756}.manuscript-foot{font-size:10px;color:#616857;margin-top:24px;padding-bottom:22px}.lesson-tabs{display:flex;gap:8px;overflow:auto;padding-bottom:13px;margin-bottom:3px}.lesson-tabs button{max-width:220px;min-width:130px;display:flex;align-items:center;gap:7px;font-size:11px;background:#e8ecdf;color:#5a6b4c;min-height:40px;padding:7px 12px;border-radius:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lesson-tabs .icon{width:14px;height:14px}.lesson-tabs button.active{color:#4d5f40;background:#fff}.manuscript{background:white;border:1px solid #e0e4d7;border-radius:6px;overflow:hidden}.manuscript-head{display:flex;flex-direction:column;gap:15px;border-bottom:1px solid #e8ecdf;padding:20px}.manuscript-head h2{font-size:19px}.manuscript-head p{font-size:11px;color:var(--muted);margin-top:5px}.manuscript-head .btn{min-height:38px;font-size:11px}.manuscript textarea{border:0;padding:22px;min-height:570px;font-size:14px;line-height:2;border-radius:0;resize:vertical}
/* Assignments and learning evidence */
.assignment{padding:27px 30px;background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:23px;position:relative}.assignment h3{font-family:"Songti SC",STSong,serif;font-size:25px;font-weight:650;color:#384631;margin:15px 0 17px}.assignment .document{max-width:820px;font-size:14px}.assignment footer{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:21px;margin-top:23px}.assignment footer p{font-size:12px;line-height:1.9;color:#646858}.assignment footer>.btn{flex:none}.score{font:48px/1.4 Georgia,serif;color:var(--brand);margin:17px 0}.score small{font:12px/1.5 -apple-system,BlinkMacSystemFont,sans-serif;color:#65685e}.feedback{border-left:2px solid #a3b593;padding-left:24px;margin:23px 0}.feedback h4{font-size:15px;margin:24px 0 9px;color:#445837}.feedback ul{padding-left:20px}.feedback li{font-size:14px;line-height:1.95;color:#5b6a50;margin:7px 0}.choice{display:flex;align-items:center;gap:11px;font-size:14px;background:#fafbf7;border:1px solid #e1e6d8;border-radius:7px;padding:13px 15px;margin:11px 0;cursor:pointer;line-height:1.8}.choice:has(input:checked){border-color:#8b9f79;background:#f0f5e9}.choice input{width:17px;height:17px;min-height:17px;flex:none;accent-color:var(--brand)}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:17px;margin-bottom:25px}.stat{border:1px solid var(--line);border-radius:9px;padding:21px;background:#fff}.stat .label{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#5f6853}.stat .label>.icon{width:17px;height:17px;color:#5d6852}.stat .num{font:36px/1.4 Georgia,serif;color:#435936;margin:13px 0 7px}.stat small{font-size:10px;color:#606758}.tablewrap{max-width:100%;overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}td,th{padding:15px 13px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}th{font-weight:550;font-size:12px;color:#596a4f;background:#f4f7ee}.heat{display:inline-flex;min-width:63px;justify-content:center;background:#f1f3ec;color:#5f6756;border-radius:4px;padding:5px;font-size:11px}.heat.good{background:#e8f1e0;color:#506e40}.heat.gap{background:#faf0d7;color:#7d612d}.metricrow{margin:25px 0}.metricrow .row{justify-content:space-between;gap:12px;font-size:13px}.meter{height:6px;border-radius:5px;background:#edf0e6;overflow:hidden;margin:11px 0}.meter>span{display:block;height:100%;background:#93a782;border-radius:5px}.stage{padding:23px;border:1px solid #e0e5d7;background:#fbfcf8;border-radius:9px;margin:18px 0}.stagehead{display:flex;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}.stagehead h3{font-size:17px}.stagehead .pill{margin-left:auto}.number{display:grid;place-items:center;width:35px;height:35px;border-radius:50%;background:#eaf0e0;color:#596c4b;font:15px Georgia,serif}.stage summary{cursor:pointer;font-size:14px}.collab-intro{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-bottom:25px}.collab-role{border-top:2px solid #98a589;padding:18px 0;background:transparent}.collab-role>.row{margin-bottom:12px}.collab-role .icon{width:18px;height:18px;color:#5b6b4d}.collab-role h2{font-size:15px}.collab-role>p{font-size:12px;color:#5e6952}.collab-role:nth-child(2){border-color:#c4b38a}.collab-role:nth-child(3){border-color:#c8997f}
/* A quiet course conversation */
.chat-layout{display:grid;grid-template-columns:minmax(0,1fr) 255px;gap:25px;align-items:start}.chat-panel{padding:0;overflow:hidden;margin:0;box-shadow:0 3px 10px #2b352208}.chat-panel>.panelhead{padding:20px 24px;margin:0;border-bottom:1px solid var(--line)}.assistant-icon{width:38px;height:39px;display:grid;place-items:center;background:#eee8dc;color:#73654d;border-radius:7px}.assistant-icon .icon{width:20px;height:20px}.chat-panel .panelhead h3{font-size:15px}.chat-panel .panelhead p{font-size:11px;color:#626959}.chat-panel .panelhead .btn{min-height:37px;font-size:11px;padding:7px 11px}.chatlog{height:476px;overflow:auto;padding:27px 24px;display:flex;flex-direction:column;gap:25px;overscroll-behavior:contain}.chatintro{text-align:center;margin:auto;max-width:620px;width:100%}.chat-illustration{width:190px;margin:0 auto 15px;position:relative}.chat-illustration img{width:190px;height:115px;object-fit:cover;border-radius:60px 60px 5px 5px}.chat-illustration figcaption{font-size:8px;text-align:right;color:#616654;margin-top:2px}.chatintro h2{font:600 26px/1.5 "Songti SC",STSong,serif;color:#48573c}.chatintro>p{font-size:12px;color:#616858;margin-top:9px}.prompt-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:26px}.prompt-card{display:flex;flex-direction:column;text-align:left;padding:15px 13px;background:#f7f8f3;border:1px solid #e3e7d9;border-radius:7px;min-height:110px}.prompt-card:hover{background:#edf2e6;border-color:#c5d1b7}.prompt-card small{font-size:10px;color:#7b624d;margin-bottom:9px}.prompt-card span{font-size:12px;line-height:1.85;color:#5b6b4e}.prompt-card>.icon{align-self:flex-end;width:13px;height:13px;margin-top:auto;padding-top:3px;color:#5c694f}.message-row{display:flex;align-items:flex-start;gap:10px}.message-row.user{flex-direction:row-reverse}.message-avatar{display:grid;place-items:center;width:30px;height:30px;flex:none;border-radius:50%;background:#edf1e5;color:#5a6a4b;font-size:12px}.message-avatar .icon{width:17px;height:17px}.bubble{max-width:calc(100% - 43px);overflow-wrap:anywhere;font-size:14px;white-space:pre-wrap}.bubble>small{display:block;font-size:10px;color:#636959;margin-bottom:8px}.bubble .document{font-size:14px;color:#526148;line-height:1.95}.bubble .document h3{font-size:16px;color:#435638}.bubble.user{padding:12px 17px;background:#f1f2eb;border-radius:10px 2px 10px 10px;border:1px solid #e3e7d9}.chatlog>.bubble.user{align-self:flex-end}.chat-composer{margin:0 19px;border:1px solid #c9d3bd;border-radius:9px;padding:14px 16px 10px;background:white}.chat-composer:focus-within{outline:2px solid #acbb9970;outline-offset:2px}.chat-composer textarea{padding:0;border:0;outline:0;min-height:69px;resize:vertical;font-size:13px}.chat-composer textarea:focus{outline:0}.composer-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid #edf0e6;padding-top:9px}.chat-composer .btn{min-height:39px;padding:7px 16px;font-size:12px}.chat-composer .iconbutton{height:36px;width:32px}.chat-composer .small{font-size:10px;color:#5f6853}.chat-bottom{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:6px 20px 9px;font-size:10px;color:#5f6854}.chat-bottom .btn{padding:5px 0;min-height:34px;font-size:10px}.chat-bottom .icon{width:13px;height:13px}.chat-context .panel{padding:22px;background:#f7f8f2;border-color:#e5e9da;margin-bottom:20px}.chat-context .eyebrow{font-size:10px;color:#7b614a}.chat-context h3{font-size:15px;color:#556446}.learning-tips{padding-left:18px;margin:0;font-size:12px;color:#5d6a4e}.learning-tips li{margin:21px 0}.learning-tips li:last-child{margin-bottom:0}.learning-tips strong{font-size:12px;font-weight:550;color:#596c49}.learning-tips p{font-size:11px;line-height:1.85;color:#5f6852;margin-top:5px}.chat-context .small{font-size:12px}.source{border-top:1px solid #e1e7d5;padding:14px 0;overflow-wrap:anywhere}.source-label{font-size:10px;color:#596c4b;background:#eaf0df;border-radius:4px;padding:3px 5px}.source strong{display:block;font-size:12px;font-weight:550;margin-top:8px}.source small{display:block;font-size:10px;color:#5f6952;margin-top:5px}
/* Open resources, a bookshelf rather than a catalog of software */
.resource-banner{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:14px 35px;position:relative;padding:30px;background:#efeadd;border:1px solid #e3dccd;border-radius:10px;margin-bottom:29px}.resource-banner .eyebrow{font-size:10px;color:#69654f;letter-spacing:2px}.resource-banner h2{font-family:"Songti SC",STSong,serif;font-size:30px;letter-spacing:.7px;color:#544e3d;margin:8px 0}.resource-banner p{font-size:12px;color:#686554}.resource-illustration{grid-column:2;grid-row:1/3;position:relative;border-radius:70px 7px 7px 7px;overflow:hidden;align-self:stretch}.resource-illustration img{height:100%;width:100%;object-fit:cover;object-position:center;max-height:180px}.resource-illustration figcaption{position:absolute;bottom:5px;right:6px;background:#f4efdfdf;color:#6b664f;font-size:8px;padding:1px 4px;border-radius:3px}.resource-banner-facts{display:flex;align-items:flex-start;gap:35px;margin-top:6px}.resource-banner-facts>span{font-size:10px;color:#686654;display:flex;flex-direction:column;gap:4px}.resource-banner-facts strong{font:23px/1.4 Georgia,serif;color:#625d48}.resource-banner-facts>span:last-child strong{font:550 14px/2.3 -apple-system,BlinkMacSystemFont,sans-serif}.resource-controls{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.line-tabs{border:0;gap:13px}.line-tabs button{padding:10px 0;min-height:44px;font-size:13px;display:flex;align-items:center;gap:7px}.line-tabs button.active:after{left:0;right:0}.line-tabs span{font-size:10px;background:#ecefe3;color:#5c6b4c;padding:1px 5px;border-radius:3px}.resource-search{display:flex;align-items:center;gap:8px;width:245px;border:1px solid #dbe1d1;border-radius:6px;padding:0 11px;background:white}.resource-search .icon{width:16px;height:16px;color:#5e6951}.resource-search input{border:0;padding:9px 0;min-height:41px;font-size:12px;background:transparent}.resource-search input:focus{outline:0}.resource-search:focus-within{outline:2px solid #ad49316b;outline-offset:2px}.resource-search input::placeholder{font-size:11px}.resource-filters{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0 0 22px}.resource-filters>.muted{margin-left:auto;font-size:10px;color:#606854}.filter{background:transparent;border:1px solid transparent;min-height:34px;padding:6px 12px;font-size:11px;color:#5d6850;border-radius:5px}.filter.active{border-color:#d8dfca;background:#eef2e5;color:#53693e}.filter:hover{background:#f0f4e8}.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.resource-card{background:white;border:1px solid #e0e5d7;border-radius:9px;display:flex;flex-direction:column;overflow:hidden;min-width:0;transition:border-color .18s,box-shadow .18s}.resource-card:hover{border-color:#bfcbae;box-shadow:0 4px 14px #2b3b1908}.resource-card-top{padding:22px 23px;display:flex;align-items:center;justify-content:space-between;gap:10px;background:#f0f3e8;border-bottom:1px solid #e9ecdf;min-height:94px;margin-bottom:19px}.resource-card:nth-child(2n) .resource-card-top{background:#f4eee3}.resource-card:nth-child(3n) .resource-card-top{background:#ebf0ed}.chapter-mark{width:39px;height:43px;display:grid;place-items:center;color:#5a694b;border:1px solid #c8d2b8;background:#f8faf3;border-radius:3px 6px 6px 3px;box-shadow:3px 2px 0 #dce4d1}.chapter-mark .icon{width:20px;height:20px}.license-tag{font:10px/1.5 ui-monospace,monospace;color:#5e6851;max-width:65%;text-align:right}.resource-type{font-size:10px;color:#73624d;padding:0 23px}.resource-type span{padding:0 4px}.resource-card h3{font-family:"Songti SC",STSong,serif;font-size:21px;line-height:1.5;color:#455739;padding:0 23px;margin:8px 0 10px}.resource-card>p{font-size:13px;color:#606a52;line-height:1.9;padding:0 23px;flex:1}.resource-author{display:flex;align-items:center;gap:7px;font-size:10px;color:#626957;margin:21px 23px 0}.author-mark{display:grid;place-items:center;width:18px;height:18px;font-size:9px;background:#eef2e4;color:#5b6b4b;border-radius:3px}.resource-author>span:last-child{margin-left:auto}.resource-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:7px;padding:16px 0;border-top:1px solid #e8ecde;margin:18px 23px 0}.resource-card-bottom .btn{font-size:11px;padding:7px 10px;min-height:38px}.resource-card-bottom .btn .icon{width:12px;height:12px}.resource-card-bottom .text-link{font-size:10px}.resource-card-bottom>.small{font-size:10px}.repo-name{font:10px/1.7 ui-monospace,monospace;color:#5f6a51;margin:15px 23px 0;overflow-wrap:anywhere}.repo-use{font-size:11px;line-height:1.9;color:#5e6b4f;background:#f6f8f0;margin:12px 23px 0;border-radius:4px;padding:11px}.resource-note{font-size:12px;display:flex;gap:10px;align-items:flex-start;margin-top:27px;background:transparent;border-color:#b6c5a2;color:#5f6851}.library-summary{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:22px 26px;border:1px solid var(--line);background:#fff;border-radius:9px;margin-bottom:21px}.library-summary>div{display:flex;align-items:center;gap:15px}.summary-icon{display:grid;place-items:center;width:44px;height:46px;background:#edf2e3;color:#5c6c4a;border-radius:7px}.library-summary strong{font:26px Georgia,serif;color:#506440}.library-summary strong span{font:13px -apple-system,BlinkMacSystemFont,sans-serif}.library-summary p{font-size:11px;color:#5f6951;margin-top:4px}.knowledge-row{display:flex;align-items:flex-start;gap:13px;padding:20px 0;border-bottom:1px solid var(--line)}.knowledge-row:last-child{border:0}.knowledge-row>div{flex:1;min-width:0}.file-symbol{width:33px;height:39px;display:grid;place-items:center;border:1px solid #e1e7d4;background:#f4f7ee;color:#5a6b4b;border-radius:4px;flex:none}.file-symbol .icon{width:18px;height:18px}.text-button{font-size:14px;font-weight:550;color:#556b45;min-height:30px;padding:0;background:transparent;text-align:left;line-height:1.8}.text-button:hover{color:var(--brand)}.knowledge-row p{font-size:11px;color:#5f6951;margin:5px 0;overflow-wrap:anywhere}.knowledge-row small{font-size:10px;color:#5f6953}.knowledge-row .iconbutton{color:#5e6852}.knowledge-row .iconbutton:hover{color:#9f4e39;background:#faf1eb}.import-panel{align-self:start}
/* Dialogs */
dialog{border:1px solid #d9dfcf;border-radius:12px;padding:0;color:var(--ink);box-shadow:0 24px 100px #29352230}dialog::backdrop{background:#242d2460;backdrop-filter:blur(3px)}.command-dialog{width:min(580px,calc(100vw - 32px));max-height:80vh}.command-input{display:flex;align-items:center;gap:12px;padding:13px 19px;border-bottom:1px solid var(--line);color:#59694d}.command-input input{border:0;padding:9px 0;outline:0;font-size:14px}.command-input input:focus{outline:0}.command-dialog #command-results{max-height:58vh;overflow:auto;padding:6px 13px 15px}.command-section{font-size:10px;color:#5f6851;padding:15px 11px 8px;letter-spacing:1px}.command-dialog #command-results button{display:flex;align-items:center;gap:10px;width:100%;background:white;text-align:left;font-size:13px;min-height:44px;padding:10px 11px;border-radius:6px;color:#556b4a}.command-dialog #command-results button:hover{background:#f1f5e9}.command-dialog #command-results button>.icon:last-child,.command-dialog #command-results button>.pill{margin-left:auto}.command-dialog .icon{width:16px;height:16px}.command-foot{font-size:10px;color:#5d684f;padding:9px 23px;border-top:1px solid var(--line)}.reader-dialog{width:min(880px,calc(100vw - 32px));max-height:90vh;overflow:hidden}.reader-head{padding:25px 30px 20px;display:flex;justify-content:space-between;align-items:flex-start;gap:18px;border-bottom:1px solid var(--line)}.reader-head .eyebrow{font-size:10px;color:#73644c}.reader-head h2{font-family:"Songti SC",STSong,serif;font-size:27px;color:#4c643f;margin:7px 0}.reader-head p{font-size:11px;color:#5b6850}.reader-toolbar{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:12px 30px;border-bottom:1px solid var(--line)}.reader-toolbar .btn{font-size:12px;min-height:40px}.reader-body{max-height:62vh;overflow:auto;padding:27px 40px 36px;overscroll-behavior:contain}.reader-body>.document{font-size:15px;line-height:2.1;color:#526b44}.reader-body .document h3{font-size:20px;color:#425934}.license-details{margin-top:30px;background:#f2f6ea;padding:17px;border-radius:6px;font-size:12px;color:#576c47}.license-details summary{cursor:pointer;min-height:30px}.license-details .document{font-size:12px;line-height:1.8}
/* Sign in as the opening spread of a course book */
.login{min-height:100vh;display:grid;grid-template-columns:1.04fr 1fr;background:white}.loginbrand{display:flex;flex-direction:column;justify-content:space-between;padding:36px 8%;background:#eeeadf;border-right:1px solid #dfdece;min-width:0}.loginbrand .logo{align-self:flex-start}.loginbrand .logomark{width:38px;height:43px}.loginbrand .brand-name{font-size:29px}.login-editorial{padding:25px 0 20px;max-width:540px;width:100%;margin:auto}.edition{font:9px/1.6 Arial,sans-serif;letter-spacing:2px;color:#6c6553;border-top:1px solid #cdc8b9;padding-top:15px;display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:24px}.edition span{font:10px/1.6 -apple-system,BlinkMacSystemFont,sans-serif;letter-spacing:1px}.loginbrand h1{font-family:"Songti SC",STSong,serif;font-size:43px;line-height:1.55;font-weight:650;letter-spacing:2px;color:#444836}.loginbrand p{font-size:12px;line-height:2;color:#666857;margin-top:16px}.login-illustration{margin-top:28px}.login-illustration img{width:100%;height:255px;object-fit:cover;object-position:center 40%;border-radius:80px 5px 5px 5px}.login-illustration figcaption{display:flex;justify-content:space-between;font-size:9px;color:#656556;margin-top:8px}.loginfoot{display:flex;justify-content:space-between;gap:15px;color:#65685b;font-size:10px}.loginfoot>span:last-child{font-family:"Songti SC",serif;letter-spacing:5px}.loginform{position:relative;display:flex;align-items:center;justify-content:center;padding:75px 50px;min-width:0}.loginbox{width:100%;max-width:350px}.loginbox>.section-kicker{font-size:11px;color:#7b5e4b;letter-spacing:2px;margin-bottom:10px}.loginbox h2{font-family:"Songti SC",STSong,serif;font-size:35px;letter-spacing:1px;color:#394930}.loginbox>.muted{font-size:12px;line-height:1.9;color:#606759;margin-top:12px}.auth-tabs{width:100%;margin:32px 0 26px;gap:0}.auth-tabs button{flex:1;padding:12px 0;font-size:13px}.auth-tabs button.active:after{left:0;right:0}.auth-tabs button.active{color:var(--brand)}.auth-tabs button:hover{background:transparent}.loginbox .field{margin-bottom:20px}.loginbox .field label{font-size:12px;color:#5a6750}.loginbox input{min-height:46px;border-color:#d6dec9;background:#fdfefb;font-size:14px}.loginbox input::placeholder{font-size:12px;color:#606658}.password-input{display:flex;align-items:center;border:1px solid #d6dec9;border-radius:6px;background:#fdfefb}.password-input input{border:0;min-width:0}.password-input:focus-within{outline:2px solid #ad493160;outline-offset:2px}.password-input input:focus{outline:0}.password-toggle{background:transparent;width:46px;height:44px;color:#5a694c;flex:none}.password-toggle .icon{width:18px;height:18px}.auth-submit{width:100%;margin-top:8px;min-height:47px;font-size:13px}.auth-submit .icon{width:16px;height:16px;margin-left:auto}.auth-submit{justify-content:space-between;padding-left:18px;padding-right:18px}.login-note{display:flex;gap:10px;color:#5c6950;font-size:10px;line-height:1.9;margin-top:25px}.login-note .icon{width:15px;height:15px;margin-top:3px}.login-bottom{position:absolute;bottom:31px;color:#63685c;font-size:10px;letter-spacing:1px}
/* Responsive layout — content reflows, controls stay reachable. */
@media(min-width:1600px){.main{padding:39px 50px 45px}.topbar{padding:0 50px}.workspace-foot{padding:0 50px 28px}.dashboard-grid{grid-template-columns:minmax(0,1fr) 330px;gap:32px}.course-cover{min-height:342px}.course-cover-copy{padding:32px 12px 30px 36px}.course-cover h2{font-size:43px}.course-cover p{font-size:13px}.quick-note{padding:27px}.reading-note>div{padding:23px 27px}.prep-layout{grid-template-columns:minmax(350px,.75fr) minmax(0,1.25fr)}}
@media(max-width:1250px){.sidebar{width:204px;padding-left:12px;padding-right:12px}.workspace{margin-left:204px;width:calc(100% - 204px)}.main{padding:28px}.topbar{padding:0 28px}.workspace-foot{padding-left:28px;padding-right:28px}.course-switch{gap:7px;padding-left:3px;padding-right:3px}.course-switch strong{font-size:11px}.dashboard-grid{grid-template-columns:minmax(0,1fr) 260px;gap:21px}.course-cover{min-height:300px}.course-cover-copy{padding:25px 0 25px 22px}.course-cover h2{font-size:32px}.course-label{font-size:9px;gap:7px}.course-cover p{font-size:11px}.course-cover .cover-index{display:none}.home-illustration{margin-right:11px}.course-stats>div{gap:10px;padding:0 12px}.stat-icon{width:29px;height:29px}.course-stats strong{font-size:24px}.course-stats small{font-size:10px}.quick-note{padding:20px}.quick-note h2{font-size:17px}.task-row{padding:19px 15px;gap:11px}.task-row-end>.small{display:none}.task-row strong{font-size:12px}.reading-note>div{padding:19px 20px}.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.chat-layout{grid-template-columns:minmax(0,1fr) 225px;gap:19px}.prompt-grid{grid-template-columns:1fr;gap:7px}.prompt-card{min-height:0;display:grid;grid-template-columns:1fr auto;padding:10px 12px}.prompt-card small{grid-column:1;margin:0;font-size:9px}.prompt-card span{grid-column:1;font-size:11px}.prompt-card>.icon{grid-row:1/3;grid-column:2;align-self:center;margin:0}.chat-illustration{width:155px;margin-bottom:10px}.chat-illustration img{width:155px;height:92px}.chatlog{height:490px}.chatintro .prompt-grid{margin-top:18px}.chat-context .panel{padding:19px}.learning-tips strong{font-size:11px}.prep-layout{grid-template-columns:minmax(290px,.85fr) minmax(0,1fr);gap:19px}.prep-form{padding:22px}.lesson-shelf{padding:18px}.lesson-placeholder{padding:32px 23px 0}.lesson-placeholder h2{font-size:22px}.grid{grid-template-columns:minmax(0,1.2fr) minmax(270px,1fr)}.resource-controls{gap:13px}.resource-search{width:220px}.topright{gap:14px}.role-label{padding-left:14px}}
@media(max-width:1050px){.dashboard-grid{grid-template-columns:1fr}.dashboard-rail{display:grid;grid-template-columns:1.2fr 1fr;gap:22px}.reading-note{margin:0;display:flex;flex-direction:column}.reading-note figure{height:140px}.reading-note>div{flex:1}.rail-link{grid-column:1/3;margin:0;padding:0 4px}.course-cover{min-height:300px}.course-cover-copy{padding:29px}.course-cover h2{font-size:37px}.home-illustration{margin:18px 18px 18px 0}.course-label{font-size:10px}.course-cover p{font-size:12px}.course-stats>div{padding:0 22px}.course-stats strong{font-size:26px}.course-stats small{font-size:11px}.task-row strong{font-size:14px}.task-row-end>.small{display:block}.chat-layout{grid-template-columns:1fr}.chat-context{display:grid;grid-template-columns:1fr 1fr;gap:20px}.chat-context .panel{margin:0}.chat-illustration{width:190px}.chat-illustration img{width:190px;height:115px}.prompt-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.prompt-card{display:flex;min-height:100px;padding:13px}.prompt-card small{margin-bottom:7px}.prompt-card>.icon{align-self:flex-end;margin-top:auto}.chatlog{height:480px}.grid,.grid.equal{grid-template-columns:1fr}.prep-layout{grid-template-columns:1fr}.prep-form .formgrid{grid-template-columns:repeat(2,minmax(0,1fr))}.prep-form textarea{min-height:130px}.lesson-shelf{min-height:0;padding:23px}.lesson-placeholder{min-height:450px}.lesson-placeholder h2{font-size:27px}.outline-preview{margin-top:30px}.search-trigger>span{display:none}kbd{margin-left:4px}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.loginbrand{padding:35px 7%}.loginbrand h1{font-size:35px}.login-illustration img{height:235px}.loginform{padding:65px 36px}.loginbox h2{font-size:32px}.course-cover .cover-index{display:block;left:44%}.resource-filters>.muted{width:100%;margin:2px 0 0}.resource-banner{padding:25px;grid-template-columns:minmax(0,1fr) 160px;gap:14px 20px}.resource-banner h2{font-size:26px}.resource-banner-facts{gap:25px}.resource-search{width:195px}.line-tabs{gap:12px}.line-tabs button{font-size:12px}.resource-controls{align-items:center;margin-bottom:20px}.resource-controls .tabs{margin-bottom:0}}
@media(max-width:760px){body.menu-open{overflow:hidden}.sidebar{width:260px;transform:translateX(-100%);transition:transform .2s;visibility:hidden;padding:26px 18px 20px}.sidebar.open{transform:none;visibility:visible}.sidebar-brand{padding:0 8px}.sidebar-close{display:inline-flex}.sidebar .course-switch{padding:17px 9px;margin-top:28px}.sidebar .course-switch strong{font-size:13px}.sidebar .course-switch small{font-size:12px}.sidebar .nav a{font-size:14px;min-height:47px;padding-left:13px}.sidebar .nav-section{font-size:12px}.sidebar .profile strong{font-size:13px}.sidebar .profile small{font-size:11px}.sidebar .side-resource{display:none}.sidebar .sidebottom{padding-top:15px}.sidebar-overlay.open{display:block;position:fixed;inset:0;background:#28302370;z-index:35}.workspace{margin-left:0;width:100%}.topbar{height:62px;padding:0 19px;gap:10px}.topbar .row{gap:7px}.menu{display:inline-flex;width:28px;margin-right:3px}.breadcrumb-home,.breadcrumb-separator{display:none}.crumb{font-size:13px}.topright{gap:7px}.role-label{display:none}kbd{display:none}.search-trigger{min-width:34px;padding:0;justify-content:center}.search-trigger .icon{width:18px;height:18px}.topright>.iconbutton{width:30px}.main{padding:27px 20px 25px;min-height:calc(100vh - 187px)}.workspace-foot{padding:0 20px calc(95px + env(safe-area-inset-bottom));font-size:9px;flex-direction:column;gap:3px}.heading,.page-heading{margin-bottom:24px;align-items:flex-start;gap:16px}.heading{flex-wrap:wrap}.heading h1,.page-heading h1{font-size:27px}.heading p,.page-heading p{font-size:12px;line-height:1.85;margin-top:7px}.page-heading .section-kicker{font-size:11px;margin-bottom:5px}.home-date{padding-left:14px;margin-top:7px}.home-date strong{font-size:13px;white-space:nowrap}.home-date span{font-size:11px}.page-heading>div:first-child{min-width:0}.page-chip{font-size:11px}.mobile-dock{position:fixed;bottom:0;left:0;right:0;z-index:30;background:#fffffff5;border-top:1px solid #e0e5d6;display:grid;grid-template-columns:repeat(4,1fr);padding:7px 10px calc(8px + env(safe-area-inset-bottom));box-shadow:0 -4px 20px #25301806;backdrop-filter:blur(10px)}.mobile-dock a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:#5e6754;min-height:46px;font-size:10px;border-radius:7px}.mobile-dock a.active{color:var(--brand);background:#f8eee6}.mobile-dock .icon{width:20px;height:20px}.skip-link{left:20px}.dashboard-grid{gap:27px}.dashboard-rail{display:flex;flex-direction:column;gap:20px}.course-cover{min-height:267px;grid-template-columns:1.05fr 1fr;border-radius:9px}.course-cover-copy{padding:23px 0 23px 18px}.course-label{font-size:9px;letter-spacing:0;gap:6px;margin-bottom:17px}.course-label>span{padding-left:6px}.course-cover h2{font-size:29px;letter-spacing:0;line-height:1.5}.course-cover p{font-size:10px;line-height:1.9;margin-top:14px}.cover-link{font-size:11px;margin-top:18px;gap:9px}.home-illustration{margin:12px 10px 12px 7px;border-top-left-radius:75px}.home-illustration img{object-position:62% center}.home-illustration figcaption{font-size:7px;right:5px;bottom:6px;padding:1px 3px}.course-cover .cover-index{display:none}.course-stats{padding:21px 0;margin-bottom:26px}.course-stats>div{padding:0 12px;gap:9px}.course-stats>div:first-child{padding-left:0}.stat-icon{display:none}.course-stats strong{font-size:25px;letter-spacing:1px}.course-stats small{font-size:10px;margin-top:5px}.section-heading{margin-bottom:15px;gap:15px}.section-heading h2{font-size:18px;margin-top:4px}.section-heading>.text-link{font-size:11px}.section-heading .section-kicker{font-size:8px;letter-spacing:1.6px}.task-row{padding:19px 14px;gap:12px}.task-row-number{font-size:16px}.task-row strong{font-size:12px;line-height:1.8}.task-row small{font-size:10px}.task-row-end>.small{display:none}.task-row-end{gap:5px}.task-row-end .pill{font-size:9px;padding:3px 5px;white-space:normal;max-width:75px}.task-row-end>.icon{width:13px;height:13px}.recent-row strong{font-size:12px}.recent-row small{font-size:10px}.recent-row .pill{font-size:9px;white-space:normal;max-width:90px}.calm-empty{padding:25px 19px;gap:13px}.calm-empty h3{font-size:13px}.calm-empty p{font-size:11px;line-height:1.9}.calm-empty>.icon{width:25px;height:25px}.quick-note{padding:23px}.quick-note h2{font-size:19px}.quick-note>p{font-size:13px}.quick-note textarea{min-height:108px;font-size:14px}.quick-note textarea::placeholder{font-size:13px}.quick-note .btn{font-size:13px;min-height:45px}.chip{font-size:11px;min-height:36px}.reading-note{display:grid;grid-template-columns:110px minmax(0,1fr)}.reading-note figure{height:100%;min-height:190px}.reading-note img{object-position:40% center}.reading-note>div{padding:19px}.reading-note h3{font-size:17px}.reading-note p{font-size:11px}.reading-note .text-link{font-size:11px}.reading-note .section-kicker{font-size:9px;letter-spacing:0}.rail-link{margin-top:1px}.rail-link strong{font-size:13px}.rail-link span{font-size:11px}.panel{padding:22px;margin-bottom:20px;border-radius:10px}.panelhead{gap:13px;align-items:flex-start}.panelhead h2{font-size:17px}.panelhead p{font-size:12px}.panelhead>.row{flex-wrap:wrap}.btn{min-height:44px;font-size:13px;padding:10px 13px}.btn .icon{width:15px;height:15px}.grid,.grid.equal{gap:20px}.formgrid{grid-template-columns:1fr;gap:20px}.field label{font-size:13px}.field{margin-bottom:21px}input,textarea,select{font-size:16px;min-height:46px}input::placeholder,textarea::placeholder{font-size:13px}.notice{font-size:12px;padding:12px 14px}.document{font-size:14px}.document h3{font-size:17px}.tabs button{font-size:13px;padding:10px 13px;min-height:46px}.empty{padding:30px 18px;font-size:13px}.pill{font-size:10px}.listitem{flex-wrap:wrap;gap:13px}.listitem h3{font-size:14px}.listitem p{font-size:12px}.listitem>.row{flex-wrap:wrap;flex-shrink:1}.prep-layout{gap:20px}.prep-form .formgrid{grid-template-columns:1fr}.prep-form textarea{min-height:165px;font-size:15px}.prep-form .panelhead h2{font-size:19px}.lesson-shelf{padding:17px;border-radius:10px}.shelf-heading{margin-bottom:17px}.lesson-placeholder{padding:27px 21px 0;min-height:455px}.lesson-placeholder h2{font-size:22px}.lesson-placeholder>p{font-size:12px}.outline-preview>span{font-size:12px;padding:16px 0}.manuscript-head{padding:18px}.manuscript-head h2{font-size:20px}.manuscript-head .btn{min-height:42px;font-size:12px}.manuscript textarea{font-size:15px;padding:18px;min-height:520px}.assignment{padding:23px 21px}.assignment h3{font-size:24px;line-height:1.55}.assignment footer{flex-wrap:wrap;gap:15px;padding-top:17px}.assignment footer p{font-size:12px}.assignment footer>.btn{width:100%}.score{font-size:43px}.feedback{padding-left:18px}.feedback li{font-size:14px}.choice{font-size:14px;padding:12px}.stats{gap:12px}.stat{padding:17px}.stat .num{font-size:30px}.stat .label{font-size:12px}.stat .label .icon{display:none}.stat small{font-size:10px}.metricrow .row{font-size:12px;align-items:flex-start}.stage{padding:19px}.stagehead .pill{margin-left:0}.collab-intro{grid-template-columns:1fr;gap:0}.collab-role{padding:17px 0;border-top-width:1px}.collab-role>.row{margin-bottom:6px}.collab-role h2{font-size:15px}.collab-role>p{font-size:12px}.tablewrap{margin:0 -5px}.chat-layout{gap:22px}.chat-panel{padding:0}.chat-panel>.panelhead{padding:17px;align-items:center}.chat-panel>.panelhead>.row{flex-wrap:nowrap;gap:8px}.chat-panel .panelhead h3{font-size:14px}.chat-panel .panelhead p{font-size:10px}.assistant-icon{width:33px;height:36px}.chat-panel .panelhead .btn{min-height:40px;font-size:10px;padding:6px 9px;gap:5px}.chat-panel .panelhead .btn .icon{width:13px;height:13px}.chatlog{height:465px;padding:23px 16px;gap:23px}.chatintro h2{font-size:24px}.chatintro>p{font-size:12px}.chat-illustration{width:175px;margin-bottom:13px}.chat-illustration img{width:175px;height:102px}.prompt-grid{grid-template-columns:1fr;gap:7px;margin-top:21px}.prompt-card{display:grid;grid-template-columns:1fr auto;min-height:0;padding:10px 12px}.prompt-card small{grid-column:1;margin:0;font-size:10px}.prompt-card span{grid-column:1;font-size:12px}.prompt-card>.icon{grid-row:1/3;grid-column:2;align-self:center;margin:0}.chat-composer{margin:0 12px;padding:13px 12px 10px}.chat-composer textarea{font-size:16px;min-height:72px}.chat-composer textarea::placeholder{font-size:13px}.chat-composer .btn{min-height:42px;font-size:12px}.chat-composer .iconbutton{width:31px;height:42px}.chat-composer .row{gap:5px}.chat-composer .small{font-size:9px}.chat-bottom{padding:5px 14px 9px;font-size:9px;gap:6px}.chat-bottom .btn{font-size:9px;min-height:40px;gap:5px}.chat-bottom .icon{width:12px;height:12px}.chat-context{grid-template-columns:1fr;gap:17px}.chat-context .panel{padding:21px}.chat-context h3{font-size:15px}.learning-tips strong{font-size:13px}.learning-tips p{font-size:12px}.bubble{max-width:calc(100% - 36px)}.message-avatar{width:26px;height:28px}.message-row{gap:8px}.resource-banner{padding:21px;grid-template-columns:minmax(0,1fr) 100px;gap:14px 12px}.resource-banner .eyebrow{font-size:9px;letter-spacing:1px}.resource-banner h2{font-size:23px;line-height:1.5;margin:8px 0}.resource-banner p{font-size:11px}.resource-illustration{grid-row:1;border-top-left-radius:50px}.resource-illustration img{max-height:none;min-height:130px}.resource-banner-facts{grid-column:1/3;justify-content:space-between;gap:15px;margin:0;padding-top:14px;border-top:1px solid #ded9c8}.resource-banner-facts>span{font-size:10px}.resource-banner-facts strong{font-size:22px}.resource-controls{align-items:stretch;flex-direction:column;gap:15px;margin-bottom:18px}.resource-controls .tabs{width:100%;gap:20px}.line-tabs button{font-size:13px;min-height:46px}.resource-search{width:100%;padding:0 12px}.resource-search input{font-size:16px;min-height:44px;padding:7px 0}.resource-search input::placeholder{font-size:12px}.resource-filters{gap:6px;margin-bottom:20px}.filter{font-size:12px;min-height:40px;padding:8px 12px}.resource-filters>.muted{font-size:10px;margin-top:6px}.resource-grid{grid-template-columns:1fr;gap:20px}.resource-card-top{padding:20px 24px;min-height:87px;margin-bottom:19px}.resource-type{font-size:11px;padding:0 24px}.resource-card h3{font-size:25px;padding:0 24px;margin:9px 0 11px}.resource-card>p{font-size:13px;padding:0 24px}.license-tag{font-size:11px}.resource-author{font-size:11px;margin:20px 24px 0}.resource-card-bottom{margin:20px 24px 0;padding:17px 0}.resource-card-bottom .btn{font-size:12px;min-height:43px;padding:9px 12px}.resource-card-bottom .text-link{font-size:11px}.repo-name{font-size:11px;margin-left:24px;margin-right:24px}.repo-use{font-size:12px;margin-left:24px;margin-right:24px}.resource-card-bottom>.small{font-size:11px}.resource-note{font-size:11px}.library-summary{padding:19px;align-items:flex-start;flex-direction:column;gap:14px}.library-summary strong{font-size:25px}.library-summary p{font-size:11px}.library-summary>.pill{font-size:10px}.knowledge-row{gap:11px;padding:20px 0}.knowledge-row .text-button{font-size:14px}.knowledge-row p{font-size:11px}.knowledge-row small{font-size:10px}.knowledge-row .iconbutton{width:31px}.reader-head{padding:21px}.reader-head h2{font-size:24px}.reader-head p{font-size:10px}.reader-toolbar{padding:13px 21px;flex-wrap:wrap;gap:8px}.reader-toolbar .text-link{font-size:11px}.reader-toolbar .btn{font-size:11px;min-height:39px}.reader-body{padding:21px;max-height:59vh}.reader-body>.document{font-size:14px;line-height:2}.reader-dialog{width:calc(100vw - 22px);max-height:91vh}.command-dialog{width:calc(100vw - 24px)}.command-input{padding:10px 14px;gap:8px}.command-input input{font-size:16px}.command-input input::placeholder{font-size:12px}.command-dialog #command-results button{font-size:13px}.command-dialog #command-results .pill{font-size:10px}.login{grid-template-columns:1fr}.loginbrand{padding:24px;background:#eeeadf;border:0;position:relative;overflow:hidden;min-height:160px;justify-content:center}.loginbrand .logo{z-index:2}.loginbrand .brand-name{font-size:29px}.loginbrand .logomark{width:35px;height:40px}.login-editorial{padding:0;margin:0;position:absolute;width:53%;right:0;top:0;height:160px}.login-editorial>.edition,.login-editorial>h1,.login-editorial>p,.loginfoot{display:none}.login-illustration{margin:0;height:100%}.login-illustration img{border-radius:85px 0 0 0;height:100%;width:100%;object-position:66% center}.login-illustration figcaption{position:absolute;bottom:4px;right:7px;font-size:8px;background:#f4efdfdc;padding:1px 4px;display:block;margin:0;border-radius:2px}.login-illustration figcaption{font-size:0}.login-illustration figcaption span{font-size:8px}.loginform{padding:35px 27px 72px;display:block}.loginbox{max-width:440px;margin:auto}.loginbox>.section-kicker{font-size:11px;margin-bottom:6px}.loginbox h2{font-size:31px}.loginbox>.muted{font-size:12px;margin-top:8px}.auth-tabs{margin:22px 0 23px}.auth-tabs button{font-size:13px}.loginbox input{font-size:16px}.loginbox .field label{font-size:13px}.loginbox .field{margin-bottom:19px}.auth-submit{min-height:46px;font-size:13px}.login-note{font-size:10px;margin-top:22px}.login-bottom{bottom:24px;left:0;right:0;text-align:center;font-size:9px}#toast{bottom:calc(88px + env(safe-area-inset-bottom));font-size:12px;max-width:calc(100vw - 32px);padding:12px 17px}}
@media(max-width:360px){.main{padding-left:15px;padding-right:15px}.home-date{display:none}.course-cover h2{font-size:27px}.course-cover-copy{padding-left:15px}.course-label>span{display:none}.course-cover p{font-size:10px}.task-row{gap:9px;padding-left:12px;padding-right:12px}.resource-banner{grid-template-columns:minmax(0,1fr) 87px}.resource-banner h2{font-size:21px}.reading-note{grid-template-columns:94px minmax(0,1fr)}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.sidebar,.topbar,.mobile-dock,.workspace-foot,.btn,.tabs,.upload,#toast{display:none!important}.workspace{margin:0;width:100%}.main{padding:0}.grid,.prep-layout{display:block}.panel,.lesson-shelf{border:0;padding:0;background:white;break-inside:avoid}.document{font-size:12pt}.stats{display:none}}
/* 2026-09: product polish — readable controls and consistent neutral surfaces. */
:root{--ink:#25312f;--muted:#65706d;--bg:#f7f8fa;--line:#e3e7e8;--pale:#f3f5f4;--dark:#2c3c37;--radius:12px}
html{scroll-padding-bottom:100px}h1,h2,h3{text-wrap:balance}.sidebar{width:240px;background:#fff;padding:28px 18px 20px}.workspace{width:calc(100% - 240px);margin-left:240px}.sidebar-brand{padding:0 10px}.brand-name{font-size:27px;letter-spacing:1px}.brand-en{font:10px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;letter-spacing:.6px;margin-top:5px;color:#6b7772}.course-switch{border:1px solid var(--line);background:#f7f9f8;padding:13px 10px;border-radius:8px;margin:28px 0 23px;gap:10px}.course-switch strong{font-size:12px;letter-spacing:0}.course-switch small{font-size:11px;color:var(--muted)}.course-symbol{background:#eaf0ec;color:#5d7264;font-size:12px}.nav a{font-size:14px;min-height:46px;gap:12px;border-radius:8px;color:#5f6c65}.nav a.active{box-shadow:none}.nav a:hover{background:#f0f4f1}.nav a.active:hover{background:#24382e}.nav-section{font-size:12px;letter-spacing:.3px;color:#6c7972}.resource-nav-label{margin-top:24px}.side-resource{background:#f6f8f5;border-color:#e2e8df;padding:15px 13px;border-radius:9px}.side-resource strong{font-size:13px}.side-resource .section-kicker,.side-resource>span:last-child{font-size:11px;line-height:1.8;color:#5e7257}.profile{padding-top:17px;margin-top:19px}.profile strong{font-size:13px}.profile small{font-size:11px}.avatar{width:36px;height:36px;font-size:14px}.topbar{height:72px;background:#fff;padding:0 34px;position:sticky;top:0;z-index:20}.breadcrumb-home,.crumb{font-size:13px}.topright{gap:17px}.role-label{font-size:12px;padding-left:17px}.search-trigger{padding:0 12px;border:1px solid var(--line);background:#f8f9fa;border-radius:8px;min-width:238px;min-height:39px;font-size:12px;gap:9px}.search-trigger:hover{background:#f1f4f3;border-color:#cbd7cd}.search-trigger kbd{margin-left:auto}.main{padding:30px 34px 35px;min-height:calc(100vh - 139px)}.workspace-foot{padding-left:34px;padding-right:34px;font-size:11px;color:#65726b}.heading,.page-heading{margin-bottom:27px}.heading h1,.page-heading h1{font-size:29px;letter-spacing:-.5px}.heading p,.page-heading p{font-size:14px;line-height:1.85;color:#65736c}.section-kicker,.eyebrow{font-size:12px;letter-spacing:.5px;color:#65746c}.page-heading .section-kicker{font-size:13px}.iconbutton{width:44px;height:44px}.btn{font-size:14px;min-height:44px;padding:10px 17px;border-radius:8px;font-weight:550}.btn.secondary{border-color:#d6dfda;color:#465d50;background:white}.btn.secondary:hover{background:#f4f7f5;border-color:#abbfae}.btn:disabled{opacity:.65;cursor:not-allowed}.text-link{font-size:13px;min-height:40px}.panel{border-radius:12px;padding:26px;border-color:var(--line);box-shadow:0 1px 3px #1c30220a}.panelhead h2{font-size:18px}.panelhead p{font-size:13px}.field label{font-size:14px;color:#3f5148}.field{gap:9px;margin-bottom:23px}input,textarea,select{font-size:15px;border-color:#cbd5cd;border-radius:8px;min-height:46px;padding:11px 13px}input::placeholder,textarea::placeholder{font-size:14px;color:#737f76}.notice{font-size:13px;line-height:1.85;padding:14px 16px}.pill,.badge-num{font-size:12px;padding:4px 8px}.tabs button{font-size:14px;min-height:48px}.document{font-size:15px;line-height:1.95;color:#43574a}.document h3{font-size:19px}.listitem h3{font-size:15px}.listitem p{font-size:13px}.calm-empty h3{font-size:14px}.calm-empty p{font-size:13px}.empty{font-size:14px;background:#f8faf7}.footertext{font-size:13px}.upload{background:#f8faf7;border-color:#bdcdb7;border-radius:9px}.upload label{font-size:14px}.upload input{font-size:13px}.upload .muted{font-size:12px}.upload input::file-selector-button{font:inherit;border:1px solid #cbd7c5;border-radius:5px;background:white;color:#465b3d;padding:6px 10px;margin-right:10px;cursor:pointer}.loginerror{font-size:14px}
.dashboard-grid{grid-template-columns:minmax(0,1fr) 300px;gap:26px}.course-cover{min-height:288px}.course-cover-copy{padding:26px 12px 24px 29px}.course-label{font-size:11px;margin-bottom:16px}.course-cover h2{font-size:36px;line-height:1.38}.course-cover p{font-size:13px;margin-top:15px}.cover-link{font-size:13px;margin-top:18px;min-height:32px}.course-stats{padding:23px 0;margin-bottom:26px}.course-stats strong{font-family:inherit;font-size:29px;letter-spacing:0;font-weight:600}.course-stats small{font-size:12px;color:#607359}.course-stats>div{gap:13px}.stat-icon{width:37px;height:37px;border-radius:10px;background:#eff4ef;color:#5b7a60}.section-heading .section-kicker{font-family:inherit;font-size:11px;line-height:1.6;letter-spacing:.8px;color:#6b7b61}.section-heading h2{font-size:19px}.section-heading>.text-link{font-size:12px}.task-row{padding:21px 20px}.task-row strong{font-size:14px;color:#344d3b}.task-row small{font-size:12px;color:#687b5f}.task-row-end .small{font-size:12px}.recent-row strong{font-size:14px}.recent-row small{font-size:12px}.quick-note{padding:23px;border-color:var(--line);box-shadow:0 1px 3px #1c302208}.quick-note h2{font-size:20px}.quick-note>p{font-size:13px;line-height:1.85;color:#64765b}.note-heading .section-kicker{font-size:12px;letter-spacing:.3px}.quick-note textarea{font-size:14px;min-height:118px;background:#f9fbf8}.quick-note textarea::placeholder{font-size:13px}.quick-note .btn{font-size:14px;margin-top:12px;min-height:44px}.chip{font-size:12px;min-height:37px;padding:6px 8px}.reading-note>div{padding:21px 23px}.reading-note h3{font-family:inherit;font-size:18px;font-weight:600;margin-top:8px}.reading-note .section-kicker{font-size:11px}.reading-note p{font-size:13px}.reading-note .text-link{font-size:12px}.rail-link strong{font-size:13px}.rail-link span{font-size:12px;line-height:1.7}.rail-link{align-items:flex-start}.recent-section .calm-empty{padding:25px 23px}
.prep-form .panelhead h2{font-size:20px}.prep-form .section-kicker,.shelf-heading .section-kicker{font-size:12px}.prep-form textarea{font-size:14px}.lesson-placeholder h2{font-size:25px}.lesson-placeholder>p{font-size:13px;line-height:1.95}.outline-preview>span{font-size:13px}.manuscript-foot{font-size:12px}.lesson-tabs button{font-size:12px;min-height:43px}.manuscript-head p{font-size:12px}.manuscript-head .btn{font-size:12px;min-height:40px}.manuscript textarea{font-size:15px}.assignment{padding:28px;border-color:var(--line)}.assignment h3{font-family:inherit;font-weight:600;font-size:23px;line-height:1.6;color:#334d3a}.assignment .document{font-size:15px}.assignment footer p{font-size:13px}.stat .label{font-size:13px}.stat small{font-size:12px}.stat .num{font-family:inherit;font-weight:600;font-size:33px;line-height:1.4;letter-spacing:-.6px}.metricrow .row{font-size:14px}.collab-role h2{font-size:17px}.collab-role>p{font-size:13px}.resource-banner{border-radius:12px}.resource-banner .eyebrow{font-size:11px;letter-spacing:1px}.resource-banner p{font-size:14px}.resource-banner-facts>span{font-size:12px}.resource-filters>.muted{font-size:12px}.filter{font-size:13px;min-height:39px}.line-tabs button{font-size:14px}.resource-search{width:258px}.resource-search input{font-size:14px;min-height:43px}.resource-search input::placeholder{font-size:12px}.resource-card{border-color:var(--line);box-shadow:0 1px 3px #1c302208}.resource-card-top{min-height:86px;padding:18px 22px;margin-bottom:19px}.resource-card h3{font:600 19px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;color:#344e3c;padding:0 22px}.resource-type{font-size:12px;padding:0 22px}.resource-card>p{font-size:14px;padding:0 22px;line-height:1.85;color:#607650}.license-tag{font-size:11px}.resource-author{font-size:11px;margin:19px 22px 0;flex-wrap:wrap}.resource-card-bottom{flex-wrap:wrap;margin-left:22px;margin-right:22px;gap:8px}.resource-card-bottom .btn{font-size:12px;min-height:40px;padding:8px 10px}.resource-card-bottom .text-link{font-size:12px}.repo-use{font-size:12px}.repo-name{font-size:11px}.resource-note{font-size:13px}.library-summary p{font-size:13px}.knowledge-row p{font-size:12px}.knowledge-row small{font-size:12px}.text-button{font-size:15px}.reader-head h2{font-family:inherit;font-size:25px;font-weight:600}.reader-head p{font-size:12px}.reader-head .eyebrow{font-size:12px}.reader-toolbar .text-link{font-size:13px}.command-section{font-size:12px;letter-spacing:.3px}.command-dialog #command-results button{font-size:14px;min-height:46px}.command-foot{font-size:12px}.command-input input{font-size:15px}
/* Conversation: stable composer, readable messages, explicit pending/error feedback. */
.chat-layout{grid-template-columns:minmax(0,1fr) 280px;gap:24px;align-items:start}.chat-panel{padding:0;border-color:#dfe6e1;box-shadow:0 2px 5px #22352206}.chat-panel>.panelhead{padding:20px 23px;align-items:center}.chat-panel .panelhead h2{font-size:16px}.chat-panel .panelhead p{font-size:12px;color:#667b5b}.chat-panel .panelhead p>span{padding:0 4px}.chat-panel .panelhead .btn{font-size:12px;min-height:40px}.assistant-icon{background:#f6ece7;color:#9e573a;width:40px;height:42px;border-radius:10px}.chatlog{height:max(330px,calc(100dvh - 555px));max-height:740px;min-height:0;padding:26px;gap:28px;scroll-behavior:smooth}.chatintro{max-width:620px}.chat-illustration{width:210px;margin:0 auto 16px}.chat-illustration img{width:210px;height:118px;border-radius:65px 8px 8px 8px;object-fit:cover}.chat-illustration figcaption{font-size:9px;color:#667a57}.chatintro>.section-kicker{font-size:12px;color:#8e654a;margin-bottom:8px}.chatintro h2{font:600 24px/1.55 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;letter-spacing:-.4px;color:#344e3b}.chatintro>p{font-size:13px;line-height:1.9;color:#657a57;margin-top:8px}.prompt-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:25px}.prompt-card{display:flex;min-height:118px;padding:15px 13px;border-radius:8px;background:#f9faf8;border-color:#e0e7db;position:relative}.prompt-card small{display:flex;align-items:center;gap:6px;font-size:11px;color:#657854;margin-bottom:9px}.prompt-card small .icon{width:14px;height:14px}.prompt-card span{font-size:13px;color:#4a653f;line-height:1.85}.prompt-card>.icon{align-self:flex-end;width:14px;height:14px;padding:0;margin-top:12px}.prompt-card:hover{background:#f0f5ed;border-color:#bccdb1}.message-row{gap:11px}.message-avatar{width:33px;height:33px;font-size:13px;border-radius:9px;background:#eff4eb;color:#5c7b48}.message-row.user .message-avatar{background:#f4ede4;color:#846148}.message-content{max-width:calc(100% - 46px);min-width:0;flex:1}.message-row.user .message-content{flex:initial;max-width:min(88%,650px)}.message-meta{display:flex;align-items:center;gap:8px;margin-bottom:9px;min-height:20px}.message-meta strong{font-size:13px;font-weight:550;color:#405d33}.message-meta span{font-size:10px;background:#f0f4eb;color:#5d794c;border-radius:4px;padding:1px 5px}.message-row.user .message-meta{justify-content:flex-end}.message-row .bubble{max-width:none;white-space:normal;padding:0}.message-row .bubble.user{padding:13px 17px;background:#f3f5f0;border-color:#e0e7d9;border-radius:12px 3px 12px 12px}.bubble .document{font-size:15px;line-height:1.95;color:#3c5730}.bubble .document h3{font-size:17px}.message-actions{display:flex;margin-top:10px}.message-actions button{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#5e784c;background:transparent;min-height:33px;padding:5px 8px;border-radius:5px}.message-actions button:hover{background:#eef4e7}.message-actions .icon{width:14px;height:14px}.response-progress{display:flex;align-items:center;gap:11px;margin-left:44px;border:1px solid #e2e8dc;background:#f7faf3;border-radius:8px;padding:15px 18px;font-size:13px;color:#4c6b39}.response-progress small{display:block;font-size:11px;color:#607e4c;margin-top:4px}.spinner{display:inline-block;width:16px;height:16px;border:2px solid #d8e1cc;border-top-color:#678251;border-radius:50%;flex:none;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.chat-composer{margin:0 20px;border-radius:11px;border:1px solid #bfcdb4;padding:15px 16px 11px;background:#fff;box-shadow:0 2px 5px #2d431a05}.chat-composer:focus-within{outline:2px solid #ad493138;outline-offset:2px;border-color:#b78c71}.chat-composer textarea{font-size:15px;line-height:1.75;min-height:87px;height:87px;padding:0;border:0;outline:0;background:transparent;resize:vertical}.chat-composer textarea::placeholder{font-size:14px;color:#6b8157}.chat-composer textarea[readonly]{color:#6b8157;cursor:wait}.chat-composer .composer-bottom{gap:8px;padding-top:10px;border-top:1px solid #e9eee2}.chat-composer .composer-bottom>.row{gap:8px;min-width:0}.attachment-button{display:flex;align-items:center;gap:5px;min-height:40px;color:#506e3c;font-size:12px;padding:4px 7px;border-radius:5px;cursor:pointer;white-space:nowrap}.attachment-button:hover{background:#f0f5e9}.attachment-button .icon{width:15px;height:15px}.attachment-button.disabled{opacity:.55;cursor:wait;pointer-events:none}.chat-composer .iconbutton{width:32px;height:40px;color:#617f48}.chat-composer .iconbutton .icon{width:17px;height:17px}.composer-shortcut{font-size:10px;color:#688750;margin-left:3px;white-space:nowrap}.chat-composer .btn{min-height:40px;padding:8px 14px;font-size:13px;flex:none}.chat-error{margin-top:10px;font-size:13px;padding:10px 12px;border:1px solid #ecd3c8;border-radius:6px;background:#fff7f2;color:#9b482f;line-height:1.8}.chat-error[hidden]{display:none}.chat-bottom{padding:8px 21px 10px;display:flex;align-items:center;gap:12px;color:#64844c;font-size:11px}.chat-bottom .btn{font-size:11px;min-height:32px;padding:3px 0}.chat-bottom .chat-footnote{margin-right:auto}.chat-bottom #chat-count{font-size:10px;white-space:nowrap;font-variant-numeric:tabular-nums}.chat-context .panel{padding:22px;background:#fff;border-color:var(--line);box-shadow:none}.context-summary{display:grid;grid-template-columns:35px 1fr;gap:13px 10px}.context-icon{width:35px;height:38px;display:grid;place-items:center;background:#f0f5e9;color:#658148;border-radius:8px}.context-icon .icon{width:19px;height:19px}.chat-context h2{font-size:15px;color:#3f5e2f}.context-summary p{font-size:12px;color:#627e4c;margin-top:5px}.context-summary .text-link{grid-column:2;justify-self:start;min-height:25px;font-size:12px}.source-panel .panelhead{margin-bottom:17px;align-items:center}.source-panel .badge-num{font-size:11px}.source-empty{text-align:center;padding:21px 0 12px}.source-empty>.icon{width:26px;height:26px;color:#7b9963}.source-empty p{font-size:12px;line-height:1.9;color:#627e4c;margin-top:13px}.source{display:flex;gap:10px;border-top:1px solid #e5ebdd;padding:16px 0}.source:last-child{padding-bottom:0}.source-label{width:24px;height:24px;font:11px/24px ui-monospace,monospace;flex:none;text-align:center;background:#f1f5e9;padding:0;border-radius:5px;color:#648249}.source strong{margin:0;font-size:13px;line-height:1.8;color:#435f34}.source small{font-size:11px;line-height:1.9;margin-top:5px;color:#65844e}.source .text-link{font-size:11px;min-height:28px;margin-top:7px}.conversation-tips{border:1px solid var(--line);background:#f9faf7;border-radius:10px;padding:18px 20px}.conversation-tips summary{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:550;color:#4e6a3c;cursor:pointer;list-style:none;min-height:28px}.conversation-tips summary::-webkit-details-marker{display:none}.conversation-tips summary .icon{width:13px;height:13px}.conversation-tips[open] summary .icon{transform:rotate(180deg)}.conversation-tips ol{padding-left:18px;margin:18px 0 0;color:#597746}.conversation-tips li{font-size:12px;margin:16px 0}.conversation-tips li:last-child{margin-bottom:0}.conversation-tips strong{font-size:12px;font-weight:550}.conversation-tips p{font-size:11px;color:#608048;line-height:1.85;margin-top:5px}
/* Login keeps the course illustration; controls follow the workspace scale. */
.loginbox{max-width:380px}.loginbox>.muted{font-size:14px;line-height:1.85;color:#667e55}.loginbox .field label{font-size:14px}.loginbox input{font-size:15px;min-height:48px;border-color:#c5d3b8;background:#fff}.password-input{border-color:#c5d3b8;background:#fff}.loginbox input::placeholder{font-size:14px;color:#668051}.auth-tabs button{font-size:14px}.auth-submit{min-height:48px;font-size:14px}.login-note{font-size:12px;line-height:1.8;color:#688651}.login-bottom{font-size:11px;color:#6c8459}.loginbrand p{font-size:14px}.loginbrand .loginfoot{font-size:11px}.loginbox>.section-kicker{font-size:12px}.auth-tabs{margin-top:27px}
@media(min-width:1600px){.main{padding:36px 44px 42px}.topbar{padding:0 44px}.dashboard-grid{grid-template-columns:minmax(0,1fr) 320px}.course-cover{min-height:306px}.course-cover h2{font-size:40px}.chat-layout{grid-template-columns:minmax(0,1fr) 290px}}
@media(max-width:1250px){.sidebar{width:220px;padding-left:14px;padding-right:14px}.workspace{width:calc(100% - 220px);margin-left:220px}.main{padding:28px}.topbar{padding:0 28px}.course-switch{gap:8px;padding:12px 8px}.course-switch strong{font-size:11px}.nav a{font-size:13px}.dashboard-grid{grid-template-columns:minmax(0,1fr) 275px;gap:22px}.course-cover-copy{padding-left:23px}.course-cover h2{font-size:32px}.course-cover p{font-size:12px}.course-label{font-size:10px}.course-stats>div{gap:9px;padding:0 13px}.course-stats small{font-size:11px}.stat-icon{width:30px;height:33px}.quick-note{padding:22px}.chip{font-size:11px}.reading-note>div{padding:20px 22px}.chat-layout{grid-template-columns:minmax(0,1fr) 245px;gap:20px}.chat-context .panel{padding:19px}.composer-shortcut{display:none}.prompt-grid{gap:8px}.prompt-card{padding:12px 10px;min-height:114px}.prompt-card small{font-size:10px;gap:5px}.prompt-card small>.icon{width:12px;height:12px}.prompt-card span{font-size:12px}.chatlog{padding:23px 21px}.chatintro h2{font-size:22px}.context-summary p{font-size:11px}.conversation-tips{padding:17px}.resource-search{width:225px}.resource-banner p{font-size:13px}.resource-card>p{font-size:13px}}
@media(max-width:1080px){.dashboard-grid{grid-template-columns:1fr}.dashboard-rail{display:grid;grid-template-columns:1.1fr 1fr;gap:22px}.quick-note,.reading-note{margin:0}.rail-link{grid-column:1/3;margin:0}.chat-layout{grid-template-columns:1fr}.chat-context{display:grid;grid-template-columns:1fr 1fr;gap:18px}.chat-context .panel{margin:0}.context-summary{align-content:start}.conversation-tips{grid-column:1/3}.conversation-tips ol{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;padding-left:18px}.conversation-tips li{margin:0}.chatlog{height:470px;max-height:none}.prompt-card{min-height:104px;padding:14px}.prompt-card small{font-size:11px}.prompt-card span{font-size:13px}.search-trigger{min-width:42px;width:42px;padding:0;justify-content:center;background:transparent;border-color:transparent}.search-trigger>span,.search-trigger kbd{display:none}.course-stats>div{padding:0 22px}.course-stats small{font-size:12px}.course-cover-copy{padding-left:28px}.course-cover h2{font-size:36px}.course-cover p{font-size:13px}.course-label{font-size:11px}}
@media(max-width:760px){.sidebar{width:270px;padding:25px 18px 20px}.workspace{width:100%;margin-left:0}.topbar{height:62px;padding:0 17px}.topright{gap:3px}.search-trigger{width:40px;min-width:40px}.main{padding:25px 19px 28px}.workspace-foot{padding:0 19px calc(94px + env(safe-area-inset-bottom));font-size:10px;line-height:1.9}.brand-en{font-size:10px}.nav a{font-size:14px}.sidebar .course-switch strong{font-size:12px}.sidebar .course-switch small{font-size:11px}.heading,.page-heading{margin-bottom:23px}.heading h1,.page-heading h1{font-size:26px}.heading p,.page-heading p{font-size:13px;line-height:1.85}.page-heading .section-kicker{font-size:12px}.home-date strong{font-size:13px}.home-date span{font-size:11px}.dashboard-grid{gap:23px}.dashboard-rail{display:flex;flex-direction:column;gap:20px}.course-cover{min-height:266px}.course-cover-copy{padding:23px 0 23px 18px}.course-cover h2{font-size:28px}.course-cover p{font-size:11px;line-height:1.85;max-width:150px}.course-label{font-size:10px;gap:6px;margin-bottom:15px}.course-label>span{padding-left:6px}.cover-link{font-size:12px;margin-top:17px;min-height:28px}.course-stats{padding:22px 0}.course-stats>div{padding:0 15px;gap:8px}.course-stats>div:first-child{padding-left:0}.course-stats strong{font-size:26px}.course-stats small{font-size:11px}.section-heading .section-kicker{font-size:11px}.section-heading h2{font-size:18px}.section-heading>.text-link{font-size:12px}.task-row{padding:18px 14px;gap:12px}.task-row strong{font-size:13px;line-height:1.75}.task-row small{font-size:11px}.task-row-end .pill{font-size:10px}.recent-row strong{font-size:13px}.recent-row small{font-size:11px}.recent-row .pill{font-size:10px}.calm-empty h3{font-size:14px}.calm-empty p{font-size:12px}.recent-section .calm-empty{padding:25px 18px}.quick-note{padding:23px}.quick-note h2{font-size:20px}.quick-note textarea{font-size:16px;min-height:112px}.quick-note textarea::placeholder{font-size:14px}.chip{font-size:12px;min-height:38px}.reading-note>div{padding:19px}.reading-note h3{font-size:17px}.reading-note p{font-size:12px}.reading-note .section-kicker{font-size:10px}.rail-link span{font-size:11px}.btn{font-size:13px;min-height:44px;padding:10px 13px}.panel{padding:22px}.panelhead h2{font-size:18px}.panelhead p{font-size:12px}.field label{font-size:14px}input,textarea,select{font-size:16px;min-height:46px}input::placeholder,textarea::placeholder{font-size:14px}.document{font-size:15px}.notice{font-size:13px;padding:13px 14px}.pill{font-size:11px}.tabs button{font-size:14px;padding:11px 12px}.assignment{padding:23px 21px}.assignment h3{font-family:inherit;font-size:21px;line-height:1.65}.page-assignments .panel>.panelhead:has(>h2){flex-direction:column;align-items:flex-start}.page-assignments .panel>.panelhead>h2{font-size:19px;line-height:1.7}.assignment footer p{font-size:13px}.upload label{font-size:13px}.upload .muted{font-size:12px}.prep-form textarea{font-size:15px}.prep-form .section-kicker,.shelf-heading .section-kicker{font-size:11px}.manuscript-foot{font-size:11px}.resource-banner{gap:15px 12px}.resource-banner .eyebrow{font-size:10px}.resource-banner p{font-size:12px}.resource-banner h2{font-size:24px}.resource-banner-facts>span{font-size:11px}.resource-card h3{font-size:22px;padding:0 24px}.resource-card>p{font-size:14px;padding:0 24px}.resource-type{font-size:12px;padding:0 24px}.resource-card-top{padding:20px 24px}.resource-card-bottom{margin-left:24px;margin-right:24px}.resource-card-bottom .btn{font-size:12px;min-height:42px}.resource-search{width:100%}.resource-search input{font-size:16px;min-height:44px}.resource-controls .tabs{gap:20px}.line-tabs button{font-size:14px}.resource-filters>.muted{font-size:11px}.resource-note{font-size:12px}.knowledge-row p{font-size:12px}.library-summary p{font-size:12px}.reader-toolbar .text-link{font-size:12px}.reader-head h2{font-size:22px}.reader-head .eyebrow{font-size:11px}.reader-head p{font-size:11px}.reader-body>.document{font-size:15px}.chat-layout{gap:20px}.page-chat .heading{gap:12px}.page-chat .heading>.btn{font-size:12px;min-height:38px;padding:7px 11px}.chat-panel{padding:0}.chat-panel>.panelhead{padding:17px 16px}.chat-panel .panelhead h2{font-size:15px}.chat-panel .panelhead p{font-size:11px}.chat-panel .panelhead .btn{font-size:11px;padding:7px 10px;min-height:40px}.assistant-icon{width:33px;height:36px}.assistant-icon .icon{width:18px;height:18px}.chatlog{height:490px;padding:24px 16px;gap:25px}.chat-illustration{width:183px;margin-bottom:13px}.chat-illustration img{width:183px;height:104px}.chatintro>.section-kicker{font-size:11px;margin-bottom:7px}.chatintro h2{font-size:21px;line-height:1.65}.chatintro>p{font-size:12px;line-height:1.85}.prompt-grid{grid-template-columns:1fr;gap:8px;margin-top:19px}.prompt-card{display:grid;grid-template-columns:1fr auto;min-height:0;padding:11px 12px}.prompt-card small{font-size:11px;margin:0;grid-column:1;gap:6px}.prompt-card span{font-size:13px;grid-column:1;margin-top:3px}.prompt-card>.icon{grid-column:2;grid-row:1/3;align-self:center;margin:0}.message-avatar{width:28px;height:29px;font-size:12px}.message-row{gap:8px}.message-content{max-width:calc(100% - 36px)}.message-row.user .message-content{max-width:calc(100% - 37px)}.message-meta strong{font-size:12px}.message-meta span{font-size:9px}.bubble .document{font-size:14px;line-height:1.95}.bubble .document h3{font-size:16px}.message-row .bubble.user{padding:11px 13px}.message-actions button{min-height:38px;font-size:12px}.response-progress{margin-left:36px;padding:13px;font-size:12px;gap:9px}.response-progress small{font-size:10px}.chat-composer{margin:0 12px;padding:14px 12px 10px}.chat-composer textarea{font-size:16px;line-height:1.7;min-height:86px;height:86px}.chat-composer textarea::placeholder{font-size:14px}.attachment-button{font-size:11px;padding:4px;gap:4px}.attachment-button .icon{width:14px;height:14px}.chat-composer .iconbutton{width:31px;height:40px}.chat-composer .btn{font-size:12px;min-height:40px;padding:8px 12px}.chat-composer .composer-bottom>.row{gap:4px}.chat-error{font-size:12px;padding:9px 10px}.chat-bottom{padding:8px 15px 10px;gap:8px;flex-wrap:wrap}.chat-footnote{font-size:10px;width:100%}.chat-bottom #chat-count{font-size:10px;margin-left:auto}.chat-bottom .btn{font-size:11px;min-height:33px}.chat-context{grid-template-columns:1fr;gap:17px}.context-summary{grid-template-columns:35px minmax(0,1fr) auto;align-items:center;gap:10px}.context-summary .text-link{grid-column:auto;font-size:11px}.context-summary p{font-size:11px}.chat-context .panel{padding:19px}.chat-context h2{font-size:14px}.conversation-tips{grid-column:auto;padding:17px 19px}.conversation-tips ol{display:block;margin-top:17px;padding-left:18px}.conversation-tips li{margin:17px 0}.conversation-tips p{font-size:12px}.conversation-tips strong{font-size:13px}.source-empty p{font-size:13px}.source small{font-size:12px}.loginbox>.muted{font-size:13px}.loginbox .field label{font-size:14px}.loginbox input{font-size:16px}.loginbox input::placeholder{font-size:14px}.login-note{font-size:11px}.login-bottom{font-size:10px}.auth-submit{font-size:14px}.auth-tabs button{font-size:14px}.mobile-dock{box-shadow:0 -3px 15px #1e33240a}.mobile-dock a{font-size:11px}.mobile-dock a.active{background:#faeee7}}
@media(max-width:360px){.main{padding-left:15px;padding-right:15px}.course-label>span{display:none}.course-cover h2{font-size:27px}.course-cover-copy{padding-left:15px}.course-cover p{font-size:10px}.context-summary{grid-template-columns:31px 1fr}.context-summary .text-link{grid-column:2}.chat-panel .panelhead p{font-size:10px}}
@media(prefers-reduced-motion:reduce){.spinner{animation:none;border-top-color:#678251;border-right-color:#678251}.chatlog{scroll-behavior:auto}}

/* Neutral reading colors keep the course accents distinct from body text. */
.task-row strong,.recent-row strong,.resource-card h3,.reading-note h3,.chat-context h2,.chatintro h2,.message-meta strong,.source strong,.bubble .document,.bubble .document h3,.conversation-tips summary,.conversation-tips strong,.prompt-card span{color:var(--ink)}
.task-row small,.recent-row small,.quick-note>p,.resource-card>p,.resource-author,.resource-type,.reading-note p,.rail-link span,.chat-panel .panelhead p,.chatintro>p,.context-summary p,.source-empty p,.source small,.conversation-tips p,.conversation-tips ol,.prompt-card small,.chat-bottom,.chat-composer .composer-shortcut,.response-progress small,.loginbox>.muted,.login-note,.login-bottom,.knowledge-row p{color:var(--muted)}
.chat-composer textarea::placeholder,.loginbox input::placeholder{color:#758079}
.answer-document{font-size:15px;line-height:1.95;color:var(--ink);overflow-wrap:anywhere}.answer-document>p{margin:0 0 13px}.answer-document>h3{font-size:17px;font-weight:600;margin:19px 0 9px;line-height:1.7}.answer-document>h3:first-child{margin-top:0}.answer-document>ul,.answer-document>ol{padding-left:23px;margin:10px 0 17px}.answer-document li{padding-left:3px;margin:5px 0}.answer-document pre{background:#f6f8f5;border:1px solid #e1e7dc;border-radius:7px;padding:16px;overflow:auto;max-width:100%;white-space:pre-wrap;line-height:1.75;margin:15px 0}.answer-document code{font:13px/1.8 ui-monospace,monospace;color:#586b4a;background:#f1f5ec;border-radius:4px;padding:2px 4px}.answer-document pre code{background:transparent;padding:0}.answer-document>:last-child{margin-bottom:0}@media(max-width:760px){.answer-document{font-size:14px}.answer-document>h3{font-size:16px}.answer-document pre{padding:12px}}