@import url('/tokens.css');
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 system-ui,'Microsoft YaHei',sans-serif}button,input,select,textarea{font:inherit}button,a.button{border:1px solid var(--line);border-radius:10px;padding:10px 16px;background:white;color:var(--ink);cursor:pointer;text-decoration:none;display:inline-block}button:hover,a.button:hover{border-color:var(--green);background:#e9f1ec}button.primary,.primary{background:var(--green);color:white;border-color:var(--green)}button.danger{color:#a93725}button:disabled{opacity:.45;cursor:default}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px;background:white;color:var(--ink)}textarea{min-height:90px;resize:vertical}label{display:block;font-size:14px;color:#53645b;margin:12px 0 6px}h1,h2,h3,p{margin-top:0}h1{font-size:32px;letter-spacing:-1px}h2{font-size:23px}h3{font-size:18px}small,.muted{color:var(--muted)}a{color:var(--green)}header{display:flex;align-items:center;justify-content:space-between;padding:20px 32px;border-bottom:1px solid var(--line);background:#fffefb;gap:16px}.brand{font-weight:750;font-size:21px;letter-spacing:1px}.brand span{font-size:12px;font-weight:400;letter-spacing:0;display:block;color:var(--muted)}.layout{max-width:1450px;margin:auto;padding:28px 32px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.panel{background:white;border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:20px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.badge{display:inline-block;font-size:12px;border-radius:20px;padding:3px 10px;background:#e7efe9;color:var(--green)}.badge.case{background:#fff0d5;color:#865a15}.badge.warn{background:#fff1e7;color:#9b4b1c}.stack>*+*{margin-top:12px}.course-card{display:flex;flex-direction:column;min-height:170px}.course-card .row{margin-top:auto}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:2px;color:var(--green);margin-bottom:10px}.hero{padding:22px 0}.hero p{max-width:800px;color:var(--muted)}.editor{display:grid;grid-template-columns:270px minmax(0,1fr) minmax(280px,.75fr);gap:20px}.page-item{display:flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:9px;padding:10px;margin-bottom:8px;cursor:grab}.page-item.active{background:#e7efe9;border-color:var(--green)}.page-item span{flex:1}.page-item button{padding:3px 8px}.preview{background:#17382d;color:white;border-radius:16px;padding:28px;min-height:330px}.preview .muted{color:#aec4ba}.preview img{max-width:100%;max-height:250px}.preview h1{font-size:29px}.steps-list{padding-left:20px}.toolbar{position:sticky;top:0;z-index:4;background:#fffefbf0;padding:12px;border-bottom:1px solid var(--line)}.login{max-width:440px;margin:12vh auto;padding:32px}.status{font-size:13px}.error{color:#a53322;background:#fff0eb;padding:10px;border-radius:8px}.empty{text-align:center;padding:40px 12px;color:var(--muted)}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);padding:12px 20px;border-radius:10px;background:#152f25;color:white;z-index:100;max-width:90%;display:none}dialog{border:0;border-radius:18px;padding:26px;max-width:640px;width:94%;max-height:88vh;box-shadow:0 20px 100px #0003}dialog::backdrop{background:#12241b88}dialog textarea{min-height:75px}.record{white-space:pre-wrap;overflow-wrap:anywhere}.qr{width:175px;height:175px}.pin{font-size:36px;font-weight:800;letter-spacing:5px}.presentation{background:#102e25;color:#f9fbf8;min-height:100vh;display:flex;flex-direction:column}.presentation header{background:transparent;border-color:#ffffff20;padding:14px 28px;color:#d4e2db}.presentation .brand span,.presentation small{color:#a9c2b5}.slide{flex:1;padding:5vh 6vw 3vh;position:relative;overflow-wrap:anywhere}.slide h1{font-size:clamp(34px,4vw,64px);line-height:1.25;max-width:1100px}.slide .body{font-size:clamp(22px,2.3vw,36px);max-width:1100px;white-space:pre-wrap;color:#d4e3d9}.slide .steps-list{font-size:clamp(22px,2.1vw,34px);line-height:1.7}.slide .steps-list li{margin-top:10px}.slide img,.slide video{display:block;max-width:100%;max-height:46vh;object-fit:contain;border-radius:12px}.slide .media-error{padding:25px;border:1px dashed #829c8e;border-radius:12px;font-size:22px}.present-controls{display:flex;gap:8px;padding:12px 28px;background:#0b221b;flex-wrap:wrap;align-items:center}.present-controls small{margin-left:auto}.words{display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:center;padding:35px 0}.words button{color:#f0d18c;border:0;background:transparent;font-weight:700}.needs{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;font-size:30px}.needs span{border:1px solid #ffffff40;border-radius:30px;padding:10px 25px}.concept{display:flex;flex-wrap:wrap;gap:20px;margin-top:30px;align-items:center;font-size:29px}.concept span{padding:12px;background:#ffffff16;border-radius:10px}.opinion-card{padding:22px;border-left:4px solid #deba73;border-radius:10px;background:#ffffff0c;margin:18px 0;max-width:1100px}.opinion-card h3{font-size:28px}.opinion-card p{font-size:24px}.opinion-card .raw{color:#d0dfd6;white-space:pre-wrap}.spotlight{border:1px solid #d4b97a;background:#214438;padding:22px;border-radius:12px;margin:20px 0}.remote{max-width:640px;margin:auto;padding:16px}.remote header{padding:10px 0;background:transparent}.remote .nav-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px}.remote .nav-buttons button{min-height:58px;font-size:19px}.remote .panel{padding:18px}.groups{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.groups button{padding:10px 3px}.groups button.active{background:var(--green);color:white}.remote-tabs{display:flex;gap:7px;overflow:auto;margin:16px 0}.remote-tabs button{white-space:nowrap}.mini-card{padding:14px 0;border-bottom:1px solid var(--line)}.mini-card p{margin:5px 0}.timer{font-size:80px;font-variant-numeric:tabular-nums;color:#efd291}.saving{font-size:13px;color:var(--green)}details{margin:14px 0}summary{cursor:pointer}.session-row{display:grid;grid-template-columns:1fr auto;gap:12px;padding:15px 0;border-bottom:1px solid var(--line)}.connection-offline{color:#edbd78!important}.hidden{display:none!important}.help{padding:12px;background:#f3f5ef;border-radius:10px;font-size:14px}.record-table{width:100%;border-collapse:collapse}.record-table td,.record-table th{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.warning-banner{background:#f8e9c7;color:#674a18;padding:8px 16px}.draft-list{background:#fbf2d9;padding:12px;border-radius:10px}
.brand{text-decoration:none}.presentation .eyebrow{color:#a9c2b5}.spotlight h3{font-size:28px}.spotlight>p{font-size:26px;line-height:1.6}.presentation .badge{font-size:15px}.presentation .opinion-card .badge{font-size:15px}
@media(max-width:1000px){.editor{grid-template-columns:210px 1fr}.editor>.preview-pane{grid-column:1/-1}.grid{grid-template-columns:1fr 1fr}}
@media(max-width:650px){header{padding:15px}.layout{padding:16px}.grid,.editor{grid-template-columns:1fr}.page-list{max-height:230px;overflow:auto}.editor>.preview-pane{grid-column:auto}h1{font-size:27px}.presentation .slide{padding:25px}.present-controls{padding:12px}.row button{flex-grow:1}.record-table{font-size:13px}.session-row{grid-template-columns:1fr}}