@charset "UTF-8";
[hidden]{display:none!important}
.answer-locked{position:relative;overflow:hidden;min-height:320px}
.answer-locked .panel-heading{position:relative;z-index:2;pointer-events:none}
.answer-placeholder{filter:blur(9px);opacity:.42;user-select:none;pointer-events:none;min-height:215px}
.placeholder-line{height:12px;background:#7e8e75;border-radius:5px;margin:17px 0;width:95%}
.placeholder-line.short{width:66%}
.placeholder-gap{height:20px}
.answer-reveal{position:absolute;inset:0;width:100%;border:0;border-radius:13px;background:#fffefa66;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;padding:65px 25px 25px;text-align:center}
.answer-reveal strong{font-size:17px;font-weight:600;color:var(--green)}
.answer-reveal>span:last-child{font-size:12px;color:#65755e}
.reveal-symbol{width:44px;height:44px;border-radius:50%;background:#e3ebdb;display:grid;place-items:center;color:var(--green);font-size:24px;margin-bottom:4px}
.answer-reveal:focus-visible{outline-offset:-5px}
@media(hover:hover)and(pointer:fine){.answer-reveal:hover{background:#fffefa88}}
.screen-tools{flex-wrap:wrap;justify-content:flex-end}
@media(max-width:650px){.workspace .topbar{height:auto;min-height:64px;padding-top:10px;padding-bottom:10px;flex-wrap:wrap}}
:root{color-scheme:light;--paper:#f7f6f1;--surface:#fffefa;--ink:#243b34;--muted:#69736d;--green:#285448;--green-deep:#1e4238;--line:#dfE3da;--soft:#eaf0e7;--ochre:#b97543;--focus:#b35d31;font-family:Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-size:15px;line-height:1.55}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}a{color:var(--green)}button{color:inherit}svg{width:20px;height:20px;flex-shrink:0;vertical-align:middle}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.2}h1{font-size:clamp(34px,3.2vw,50px);font-weight:550;letter-spacing:-1.7px}h2{font-size:23px;font-weight:600;letter-spacing:-.55px}h3{font-size:20px;font-weight:600;letter-spacing:-.3px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:4px}input:focus,select:focus,textarea:focus{border-color:var(--green)}button{transition:background-color 150ms ease,border-color 150ms ease,box-shadow 150ms ease}button:active:not(:disabled){transform:translateY(1px)}.skip{position:fixed;top:-70px;left:16px;background:white;padding:12px;z-index:20}.skip:focus{top:10px}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:11px 17px;border:1px solid #d4dcd2;border-radius:9px;background:var(--surface);font-weight:600;font-size:14px;line-height:1.45;white-space:nowrap;min-height:44px;text-decoration:none}.button.primary{background:var(--green);border-color:var(--green);color:#fffef6}.button.quiet{background:transparent;border-color:transparent}.button.small{padding:8px 13px;min-height:40px}.button.full{width:100%}.icon-button{width:36px;height:36px;display:inline-grid;place-items:center;border:0;border-radius:7px;background:transparent;color:var(--muted)}.text-button{display:inline-flex;align-items:center;gap:5px;border:0;background:none;padding:0;color:var(--muted);font-size:14px}.muted{color:var(--muted)!important}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.6px;color:var(--green)}.lead{color:var(--muted);font-size:16px;line-height:1.75;margin-top:18px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-size:30px;font-weight:650;letter-spacing:-1.3px;line-height:1}.brand small{display:block;font-size:8px;font-weight:650;letter-spacing:1.6px;margin-top:9px;white-space:nowrap;color:var(--muted)}.brand-mark{width:42px;height:44px;border-radius:11px;background:var(--green);color:#f8f7ec;font-size:29px;display:inline-flex;align-items:center;padding-left:10px;font-family:Georgia,serif;position:relative;letter-spacing:-2px;font-weight:400;flex-shrink:0}.brand-mark span{position:absolute;font-size:22px;top:3px;right:5px}.sidebar{width:238px;position:fixed;inset:0 auto 0 0;background:#eeF0e9;border-right:1px solid var(--line);padding:32px 20px 20px;display:flex;flex-direction:column;z-index:5;overflow-y:auto}.sidebar .brand{margin:0 5px 48px}.nav-label{font-size:10px;letter-spacing:1.35px;font-weight:700;color:#7a847d;margin:0 12px 13px}.nav-item{width:100%;display:flex;align-items:center;gap:11px;text-align:left;padding:11px 12px;border:0;background:transparent;border-radius:8px;font-size:13px;font-weight:550;color:#56665d;min-height:44px}.nav-item.active{background:#dae5d9;color:#244b3f}.nav-count{margin-left:auto;color:#697f6e;font-size:11px;font-variant-numeric:tabular-nums}.nav-item.active .nav-count{color:#365f46}.nav-section{display:flex;align-items:center;justify-content:space-between;margin-top:30px;margin-bottom:8px}.nav-section .nav-label{margin-bottom:0}.class-item{padding-left:16px;font-size:13px;gap:13px}.class-dot{width:7px;height:7px;border:1.5px solid #8d9d89;border-radius:50%;flex-shrink:0}.class-item.active .class-dot{background:#466f4e;border-color:#466f4e}.nav-hint{font-size:12px;color:var(--muted);padding:4px 12px}.sidebar-bottom{margin-top:auto;padding-top:35px}.sidebar-bottom .nav-item{font-size:12px}.side-note{border-top:1px solid #d9e0d5;padding:20px 12px 25px;display:flex;align-items:center;gap:13px;color:#6c7f69}.side-note>span{font-size:31px;color:#a1b198}.side-note p{font-family:Georgia,serif;font-size:14px;line-height:1.5}.workspace{margin-left:238px;min-height:100vh;display:flex;flex-direction:column}.topbar{height:84px;padding:0 42px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:20px}.breadcrumb{display:flex;gap:15px;font-size:12px;color:var(--muted);white-space:nowrap}.breadcrumb span{color:#a8b0a7}.breadcrumb strong{font-weight:500;color:var(--ink)}.screen-tools{display:flex;align-items:center;gap:16px}.screen-badge{font-size:10px;color:#7e877f;white-space:nowrap}.screen-badge:before{content:'';display:inline-block;background:#b9bfb6;width:5px;height:5px;margin-right:6px;border-radius:50%;vertical-align:middle}.screen-badge.connected:before{background:#3a7d48}.screen-badge.connected{color:#3c7149}#main:not(.auth-page){padding:40px 42px 56px;max-width:1550px;width:100%;margin:0 auto;flex:1}.app-footer{margin:0 42px;padding:18px 0;display:flex;justify-content:space-between;border-top:1px solid var(--line);font-size:10px;color:#869083}.page-intro{display:flex;align-items:center;justify-content:space-between;min-height:245px;margin-bottom:48px;gap:30px}.page-intro .eyebrow{margin-bottom:19px}.intro-art{position:relative;width:240px;height:224px;flex-shrink:0;display:flex;align-items:center;justify-content:center;margin-right:28px}.intro-art:before{content:'';position:absolute;width:167px;height:167px;border:1px solid #c8d6c2;border-radius:50%;transform:rotate(-20deg);background:#e9eee3}.intro-art:after{content:'';position:absolute;inset:13px 10px 8px 9px;border:1px dashed #d0d9c9;border-radius:50%;transform:rotate(20deg)}.intro-art>span{position:relative;font-family:Georgia,serif;font-size:124px;line-height:1;color:#557852;z-index:1;transform:rotate(-12deg);margin-top:-14px}.intro-art i{position:absolute;top:9px;right:11px;width:54px;height:54px;display:grid;place-items:center;background:#efd9b7;color:#8e623a;border:6px solid var(--paper);font-size:29px;font-style:normal;border-radius:17px;transform:rotate(9deg);z-index:2}.intro-art small{position:absolute;bottom:8px;right:0;color:#6f8068;font-family:Georgia,serif;font-style:italic;font-size:15px;line-height:1.35;background:var(--paper);padding:4px 8px;z-index:2;transform:rotate(-5deg)}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:23px}.section-heading p{font-size:13px;color:var(--muted);margin-top:8px}.count{display:inline-flex;justify-content:center;align-items:center;font-size:12px;background:#e6ebdf;color:#63745b;border-radius:7px;min-width:25px;height:24px;vertical-align:middle;margin-left:6px}.view-switch{display:flex;gap:20px;margin-bottom:22px;border-bottom:1px solid var(--line)}.view-switch button{border:0;border-bottom:2px solid transparent;padding:0 0 12px;background:none;font-size:12px;color:var(--muted)}.view-switch button.selected{border-color:var(--green);color:var(--green);font-weight:600}.class-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:20px}.class-card{background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:23px}.class-card-top{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:23px}.class-monogram{width:50px;height:50px;border-radius:13px;background:#e6ebdc;color:#637b50;display:grid;place-items:center;font-size:16px;font-weight:650}.color-1{background:#f1e5d7;color:#a67a4e}.color-2{background:#e3e9e9;color:#59797b}.class-open{border:0;background:none;width:100%;text-align:left;padding:0}.class-open h3{font-size:26px;overflow-wrap:anywhere}.class-open>span{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;margin-top:8px}.class-open svg{width:16px}.progress-caption{font-size:11px;display:flex;justify-content:space-between;margin-top:28px;color:var(--muted)}.progress-caption strong{font-weight:500;color:var(--green)}progress{display:block;width:100%;height:5px;border:0;border-radius:10px;overflow:hidden;background:#e9ece3;accent-color:#789468;margin-top:9px}progress::-webkit-progress-bar{background:#e9ece3;border-radius:10px}progress::-webkit-progress-value{background:#789468;border-radius:10px}progress::-moz-progress-bar{background:#789468}.add-class-card{min-height:247px;border:1px dashed #cbd5c4;border-radius:13px;background:#f0f2e9;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#738369}.add-class-card svg{width:37px;height:37px;border-radius:50%;background:#e4eadc;padding:8px;margin-bottom:9px}.add-class-card strong{font-size:14px;font-weight:550}.add-class-card span{font-size:12px;color:#8a9484}.catalog-intro{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:8px 0 40px;margin-bottom:26px;border-bottom:1px solid var(--line)}.catalog-intro .eyebrow{margin-bottom:16px}.catalog-intro h1{font-size:clamp(29px,2.7vw,43px)}.catalog-intro .lead{font-size:14px;margin-top:13px}.class-progress{min-width:160px;text-align:right}.class-progress>strong{font-size:38px;font-weight:500;letter-spacing:-2px}.class-progress>strong span{font-size:24px;color:#a0ad96;font-weight:400}.class-progress p{font-size:12px;color:var(--muted);margin-bottom:12px}.filter-bar{display:flex;gap:10px;align-items:center}.search-field{display:flex;align-items:center;position:relative;flex:1;min-width:180px;margin:0}.search-field svg{position:absolute;left:13px;color:#8c9789;width:18px}.search-field input{padding-left:40px;margin:0;font-size:12px;min-height:44px}.filter-bar select{width:auto;max-width:190px;min-height:44px;font-size:12px;padding:10px 26px 10px 13px;margin:0}.catalog-meta{display:flex;align-items:center;justify-content:space-between;margin:17px 0 20px;color:var(--muted);font-size:11px;gap:20px}.catalog-meta .check-label{margin:0;font-size:11px;font-weight:400}.riddle-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.riddle-card{display:flex;flex-direction:column;text-align:left;border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:22px;min-height:242px;width:100%}.riddle-card.solved-card{background:#f0f4eb;border-color:#d6e1cd}.riddle-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:23px}.category{font-size:10px;line-height:1;padding:6px 8px;background:#eee9dd;color:#8c7556;border-radius:5px;font-weight:600}.category.religion{background:#e8ecdf;color:#647846}.card-number{font-size:11px;color:#a1a998;font-variant-numeric:tabular-nums}.riddle-card h3{font-size:19px;line-height:1.25;margin-bottom:12px;overflow-wrap:anywhere}.question-excerpt{font-size:12px;line-height:1.7;color:#768071;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:23px}.riddle-card-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:auto;gap:10px;padding-top:16px;border-top:1px solid #e8eadd}.topic{color:#87917e;font-size:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status{display:inline-flex;align-items:center;gap:5px;font-size:10px;white-space:nowrap;color:#7f8978}.status svg{width:13px;height:13px}.status.solved{color:#487046;font-weight:600}.status.started{color:#9d773e}.empty-dot,.half-dot{display:inline-block;width:8px;height:8px;border-radius:50%;border:1px solid #b0baa6}.half-dot{border-color:#b89b61;background:linear-gradient(90deg,#b89b61 50%,transparent 50%)}.empty-state{grid-column:1/-1;text-align:center;padding:55px 20px;background:#f1f3eb;border-radius:12px;border:1px dashed #d6dece}.empty-state h3{font-size:23px}.empty-state p{color:var(--muted);margin:12px auto 22px;max-width:480px;font-size:14px}.empty-symbol{font-size:45px;color:#91a383;display:block;margin-bottom:10px}.back-button{margin-bottom:25px}.detail-heading{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:30px}.detail-heading h1{font-size:36px;margin-top:12px}.teacher-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;align-items:start}.question-panel,.answer-panel{border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:27px}.question-panel{background:#eaf0e3;border-color:#d9e2cf;position:sticky;top:20px}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:30px}.panel-heading>svg{color:#8a9b7c}.large-question{font-family:Georgia,serif;font-size:clamp(24px,2.2vw,34px);line-height:1.45;color:#365339;white-space:pre-wrap;overflow-wrap:anywhere;margin-bottom:32px}.question-actions{display:flex;gap:8px;flex-wrap:wrap}.panel-footnote{font-size:10px;color:#849078;margin-top:15px}.private-label{font-size:10px;padding:3px 8px;border-radius:5px;color:#8b795f;background:#f2ece2}.answer-panel h2{font-size:22px;margin-bottom:18px}.preserve{white-space:pre-wrap;overflow-wrap:anywhere}.answer-text{font-size:14px;line-height:1.8;color:#586a5e;margin-bottom:22px}.teacher-notes{border-left:2px solid #b8c8a2;padding-left:14px;margin:22px 0}.teacher-notes h3{font-size:13px;margin-bottom:8px}.teacher-notes p,.background p{font-size:13px;line-height:1.75;color:#677564}.background{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:13px 0;margin:20px 0}.background summary{cursor:pointer;font-size:13px;font-weight:600}.background p{padding-top:12px}.riddle-image{display:block;max-height:250px;max-width:100%;border-radius:8px;object-fit:contain;margin:20px 0}.sources{font-size:11px;display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 23px;overflow-wrap:anywhere}.sources span{color:#8f9988}.round-status{margin-top:25px;padding:24px 0;border-top:1px solid var(--line)}.round-status h2{font-size:17px}.round-status p{font-size:12px;color:var(--muted);margin-top:7px}.status-control{display:flex;border:1px solid #d7dfce;border-radius:9px;padding:4px;background:#f0f2e9;gap:4px}.status-control button{border:0;background:transparent;padding:9px 15px;border-radius:6px;font-size:12px;color:#7a8972;display:flex;align-items:center;gap:5px}.status-control button.selected{background:var(--surface);box-shadow:0 1px 4px #21332012;color:var(--green);font-weight:600}.status-control svg{width:16px;height:16px}.loading{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:20px;min-height:90vh;text-align:center;padding:30px}.loading h1{font-size:30px}.loading p{max-width:550px;color:var(--muted)}
label{display:block;font-size:12px;font-weight:600;margin:18px 0 0;color:#52634f}input,textarea,select{display:block;background:var(--surface);color:var(--ink);border:1px solid #d7dfcf;border-radius:8px;padding:11px 12px;width:100%;margin-top:7px;min-height:44px;outline-offset:3px}textarea{resize:vertical;line-height:1.6}input::placeholder,textarea::placeholder{color:#9ba48f}input[type=checkbox]{display:inline-block;accent-color:var(--green);width:15px;min-height:15px;height:15px;margin:0;flex-shrink:0}input[type=file]{font-size:12px;padding:8px}input[type=file]::file-selector-button{font:inherit;padding:5px 8px;background:#e8edde;border:0;border-radius:5px;color:var(--green);margin-right:8px}.check-label{display:flex;gap:9px;align-items:center;line-height:1.5}.field-help{font-size:11px;color:#819077;margin-top:8px;line-height:1.7}.optional{font-weight:400;color:#97a08b;font-size:10px;margin-left:5px}.form-error{color:#a14030;font-size:13px;margin-top:15px;line-height:1.6}.form-error:empty{display:none}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.archive-label{margin-top:25px}.auth-page{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.auth-story{position:relative;overflow:hidden;background:#e7ecdf;padding:45px 55px;display:flex;flex-direction:column;justify-content:space-between;gap:80px;min-height:100vh}.auth-story .brand{z-index:1}.auth-story .eyebrow{font-size:10px;letter-spacing:1.5px;margin-bottom:28px}.auth-story h1{font-size:clamp(40px,4.2vw,68px);line-height:1.14;letter-spacing:-2px;position:relative;z-index:1}.auth-story h1 em{font-family:Georgia,serif;font-weight:400;color:#6b8551}.auth-story>div>p:last-child{font-size:15px;color:#718265;line-height:1.8;margin-top:26px}.auth-footer{font-size:9px;letter-spacing:2px;color:#8c9b7e}.auth-doodle{position:absolute;font-size:330px;color:#d6dfc8;line-height:1;right:-28px;bottom:-10px;font-family:Georgia,serif;transform:rotate(6deg);pointer-events:none}.auth-form{display:flex;align-items:center;justify-content:center;padding:60px 50px}.auth-form>div{width:100%;max-width:370px}.auth-form h2{font-size:30px;letter-spacing:-1px;margin:18px 0 15px}.auth-form>div>p:not(.eyebrow):not(.auth-note){color:var(--muted);font-size:14px;line-height:1.8}.auth-form form{margin-top:27px}.auth-form .full{margin-top:26px}.auth-note{font-size:11px;color:#929c88;margin-top:34px;padding-top:25px;border-top:1px solid var(--line);line-height:1.8}.auth-form code{font-size:10px;overflow-wrap:anywhere}.auth-form label{font-size:12px}.auth-form .field-help{font-size:10px}.auth-story .brand-mark{background:#3b5d43}
dialog{width:calc(100% - 32px);max-width:530px;max-height:90vh;background:var(--surface);border:1px solid #d5ddcd;border-radius:16px;padding:28px;color:var(--ink);box-shadow:0 20px 80px #20351e26;overscroll-behavior:contain}dialog::backdrop{background:#1e322b66;backdrop-filter:blur(3px)}dialog.wide-dialog{max-width:730px}.dialog-header{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:15px}.dialog-header h2{font-size:24px}.dialog-intro{font-size:13px;color:var(--muted);line-height:1.7}.dialog-footer{display:flex;justify-content:flex-end;gap:10px;border-top:1px solid var(--line);padding-top:20px;margin-top:25px}.image-editor{background:#f2f4ec;border:1px solid #e1e5d8;border-radius:10px;padding:0 16px 18px;margin-top:20px}.current-image{display:flex;align-items:center;gap:20px;margin-top:15px}.current-image img{width:85px;height:60px;object-fit:cover;border-radius:6px}.current-image label{margin:0}.backup-block{padding:20px 0;border-bottom:1px solid var(--line)}.backup-block h3{font-size:17px}.backup-block p{font-size:12px;color:var(--muted);line-height:1.7;margin:10px 0 16px}#toast{position:fixed;bottom:26px;left:calc(50% + 119px);transform:translate(-50%,12px);background:var(--green-deep);color:#fff;padding:13px 22px;border-radius:10px;font-size:13px;box-shadow:0 8px 28px #20382624;z-index:30;max-width:min(560px,calc(100vw - 32px));opacity:0;pointer-events:none;transition:opacity 180ms ease,transform 180ms ease}#toast.visible{opacity:1;transform:translate(-50%,0)}#toast.error{background:#823e2c}
.presentation{height:100dvh;min-height:450px;background:#edf1e6;display:flex;flex-direction:column;padding:34px 5vw;overflow:hidden}.present-header{display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.present-header .brand{font-size:27px}.present-header .brand-mark{width:36px;height:37px;font-size:25px;padding-left:8px}.present-header .brand-mark span{font-size:18px}.present-fullscreen{border:1px solid #cfd9c5;background:transparent;border-radius:8px;padding:8px 13px;font-size:11px;color:#688057}.slide{flex:1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:25px 2vw;position:relative;overflow:auto}.slide>.eyebrow{margin-bottom:25px;font-size:12px;letter-spacing:2.4px;position:relative;z-index:1}.slide h1{font-family:Georgia,serif;font-size:clamp(34px,5vw,74px);font-weight:400;line-height:1.25;color:#365738;letter-spacing:-1px;white-space:pre-wrap;overflow-wrap:anywhere}.slide-content{width:100%;max-width:1400px;position:relative;z-index:1}.slide-content.with-image{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);align-items:center;gap:40px;text-align:left}.slide-content img{width:100%;height:auto;max-height:50vh;object-fit:contain;border-radius:10px}.pause-art{position:absolute;font-family:Georgia,serif;font-size:min(60vh,480px);color:#e0e7d5;line-height:1;transform:rotate(-12deg);pointer-events:none}.slide>h1{position:relative;z-index:1}.pause-note{position:relative;margin-top:25px;color:#7d906d;font-size:18px}.answer-slide .eyebrow{color:#94764c}.answer-slide h1{color:#4f6045;line-height:1.4}.present-footer{display:flex;justify-content:space-between;gap:20px;flex-shrink:0;font-size:10px;color:#879977;letter-spacing:.5px;padding-top:15px;border-top:1px solid #d9e1cf}.present-footer span:last-child{font-size:9px;letter-spacing:1.4px}:fullscreen .present-fullscreen{opacity:0}:fullscreen .present-fullscreen:hover,:fullscreen .present-fullscreen:focus-visible{opacity:1}
@media(hover:hover)and(pointer:fine){.button:hover{background:#edf1e5;border-color:#bfcdb6}.button.primary:hover{background:var(--green-deep);border-color:var(--green-deep)}.icon-button:hover,.nav-item:hover{background:#e2e9dc}.riddle-card:hover,.class-card:focus-within{border-color:#a9bca0;box-shadow:0 4px 15px #4355340a}.riddle-card:hover h3{color:#426a3b}.add-class-card:hover{border-color:#9ab187;background:#e9efdf}.text-button:hover{color:var(--green)}.class-open:hover h3{color:#527247}}
@media(min-width:1650px){#main:not(.auth-page){padding-top:55px}.page-intro{margin-bottom:60px}.riddle-card{min-height:260px}}
@media(max-width:1250px){.sidebar{width:212px;padding:28px 14px 18px}.workspace{margin-left:212px}.topbar{padding:0 28px}.screen-badge{display:none}#main:not(.auth-page){padding:32px 28px 45px}.app-footer{margin:0 28px}.riddle-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.intro-art{width:200px;margin-right:5px}.filter-bar{flex-wrap:wrap}.search-field{flex-basis:100%}.filter-bar select{flex:1;max-width:none}.round-status{flex-wrap:wrap}#toast{left:calc(50% + 106px)}}
@media(max-width:900px){.sidebar{width:180px;padding:24px 10px 15px}.sidebar .brand{gap:8px;font-size:25px;margin-bottom:36px}.brand small{font-size:6px;letter-spacing:1.3px}.sidebar .brand-mark{width:35px;height:39px}.workspace{margin-left:180px}.sidebar .nav-item{font-size:12px;padding:10px 8px;gap:7px}.sidebar-bottom .nav-item{font-size:11px}.side-note{padding:20px 8px;gap:8px}.side-note p{font-size:12px}.intro-art{display:none}.teacher-layout{grid-template-columns:1fr}.question-panel{position:static}.page-intro{min-height:210px;margin-bottom:32px}.topbar{height:72px;padding:0 22px}.breadcrumb{font-size:11px;gap:9px}#main:not(.auth-page){padding:30px 22px 40px}.app-footer{margin:0 22px;font-size:9px}.app-footer span:last-child{display:none}.class-progress{min-width:110px}.catalog-intro{gap:16px}.catalog-intro h1{font-size:32px}.auth-story{padding:35px}.auth-form{padding:40px 30px}.auth-story h1{font-size:44px}.auth-story .eyebrow{font-size:8px}.detail-heading h1{font-size:28px}#toast{left:calc(50% + 90px)}}
@media(max-width:650px){body{font-size:14px}.sidebar{position:static;width:100%;height:auto;padding:15px 18px 10px;border-right:0;border-bottom:1px solid var(--line)}.sidebar .brand{margin:0 0 16px;font-size:24px}.sidebar .brand small{font-size:6px}.sidebar .brand-mark{height:34px;width:34px;font-size:24px}.sidebar nav{display:flex;gap:8px}.sidebar nav>.nav-item{width:auto;padding:8px 12px;font-size:12px}.sidebar nav>.nav-label,.nav-section,.class-nav,.sidebar .side-note{display:none}.sidebar-bottom{position:absolute;right:12px;top:13px;display:flex;padding:0;gap:3px}.sidebar-bottom .nav-item{font-size:0;width:35px;height:36px;padding:8px;gap:0}.sidebar-bottom .nav-item svg{width:19px;height:19px}.workspace{margin-left:0}.topbar{padding:0 18px;height:64px;gap:10px}.breadcrumb{font-size:10px;gap:8px}.breadcrumb>span,.breadcrumb>strong{max-width:90px;overflow:hidden;text-overflow:ellipsis}.screen-tools .button{font-size:10px;padding:7px 9px;min-height:36px;gap:6px}.screen-tools svg{width:16px}#main:not(.auth-page){padding:28px 18px 35px}h1{font-size:36px;letter-spacing:-1.2px}.page-intro{min-height:0;margin-bottom:32px}.page-intro .eyebrow{font-size:9px;margin-bottom:13px}.lead{font-size:14px;margin-top:15px}.section-heading{align-items:center}.section-heading h2{font-size:20px}.section-heading p{font-size:11px;max-width:190px}.section-heading .button{font-size:11px;padding:8px 10px;gap:5px}.section-heading .button svg{width:16px}.class-grid{grid-template-columns:1fr 1fr;gap:12px}.class-card{padding:17px}.class-card-top{margin-bottom:18px}.class-monogram{width:40px;height:40px;font-size:14px}.class-open h3{font-size:24px}.class-open>span{font-size:10px}.progress-caption{font-size:9px;margin-top:22px}.add-class-card{min-height:215px;padding:15px}.add-class-card strong{font-size:12px}.add-class-card span{font-size:10px}.riddle-grid{grid-template-columns:1fr;gap:14px}.riddle-card{min-height:215px}.riddle-card-top{margin-bottom:18px}.riddle-card h3{font-size:21px}.question-excerpt{font-size:13px;-webkit-line-clamp:2}.riddle-card-bottom{padding-top:13px}.topic,.status{font-size:11px}.catalog-intro{align-items:flex-start;padding-bottom:27px}.catalog-intro h1{font-size:30px}.catalog-intro .eyebrow{font-size:8px;letter-spacing:1px}.catalog-intro .lead{font-size:12px;line-height:1.7}.class-progress{min-width:75px;margin-top:22px}.class-progress>strong{font-size:29px}.class-progress>strong span{font-size:17px}.class-progress p{font-size:9px;line-height:1.4;margin-top:4px}.filter-bar select{font-size:11px;min-width:0;padding-left:9px}.catalog-meta{font-size:10px}.catalog-meta .check-label{font-size:10px}.detail-heading{align-items:flex-start;gap:15px}.detail-heading h1{font-size:27px}.detail-heading .button{font-size:0;padding:10px}.detail-heading .button svg{width:18px}.detail-heading .eyebrow{font-size:9px}.question-panel,.answer-panel{padding:22px}.large-question{font-size:27px}.round-status h2{font-size:16px}.round-status p{font-size:11px}.status-control{width:100%;justify-content:space-between}.status-control button{flex:1;justify-content:center}.auth-page{grid-template-columns:1fr}.auth-story{min-height:0;padding:26px;gap:35px}.auth-story .brand{font-size:25px}.auth-story .eyebrow,.auth-footer,.auth-doodle{display:none}.auth-story h1{font-size:37px;line-height:1.15}.auth-story h1 br{display:none}.auth-story h1 br:after{content:' '}.auth-story>div>p:last-child{font-size:12px;margin-top:16px}.auth-story>div>p:last-child br{display:none}.auth-form{padding:35px 26px 45px}.auth-form>div{max-width:none}.auth-form h2{font-size:27px}.auth-note{margin-top:25px}.auth-form .eyebrow{font-size:9px}dialog{padding:22px 19px;max-height:93dvh}.dialog-header h2{font-size:22px}.dialog-footer .button{font-size:12px;padding:10px 12px}.form-row{grid-template-columns:1fr;gap:0}.optional{display:block;margin-left:0;margin-top:3px}#toast{left:50%;bottom:18px;width:max-content;max-width:calc(100vw - 32px)}.presentation{padding:22px 5vw}.present-header .brand{font-size:22px}.present-footer span:first-child{display:none}.slide-content.with-image{grid-template-columns:1fr;gap:20px;text-align:center}.slide-content img{max-height:24vh}.slide>.eyebrow{font-size:9px;margin-bottom:20px}.slide h1{font-size:34px}.pause-note{font-size:14px}.present-fullscreen{font-size:9px}.present-footer{justify-content:center}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}button:active:not(:disabled){transform:none}}
:root .round-status-header{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.riddle-classes{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.riddle-class{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:52px;min-width:155px;max-width:100%;padding:12px 16px;border:1px solid var(--line);border-radius:9px;background:var(--surface);text-align:left}
.riddle-class strong{font-size:14px;overflow-wrap:anywhere;min-width:0}
.riddle-class span{font-size:11px;color:var(--muted);white-space:nowrap}
.riddle-class.is-solved{background:#eaf0e3;border-color:#c9d8bf}
.riddle-class.is-solved span{color:#487046;font-weight:600}
.riddle-class[aria-pressed="true"]{border-color:var(--green);box-shadow:0 0 0 2px var(--green)}
.riddle-class:hover:not(:disabled){border-color:var(--green)}
.riddle-classes-empty{display:flex;align-items:center;gap:16px;margin-top:20px;flex-wrap:wrap}
.breadcrumb>a{color:inherit;text-decoration:none}
.breadcrumb>a:hover{text-decoration:underline;color:var(--green)}
.image-mode #slide{padding:20px 0;overflow:hidden}.image-mode .full-slide-image{display:block;width:100%;height:100%;min-height:0;object-fit:contain;border-radius:10px}
.image-preview{position:relative;margin:20px 0;border-radius:10px;overflow:hidden;background:#e4e9de}.image-preview .riddle-image{width:100%;margin:0;max-height:280px;border-radius:0}.image-preview-toggle{position:absolute;left:12px;bottom:12px;max-width:calc(100% - 24px);background:rgba(255,254,248,.96);box-shadow:0 2px 12px #0003}.image-preview-toggle[aria-pressed="true"]{background:var(--green);color:white;border-color:var(--green)}.image-preview-toggle:focus-visible{outline-offset:-4px}