:root{color-scheme:light;font-family:Inter,SF Pro Display,SF Pro Text,PingFang SC,Microsoft YaHei,system-ui,sans-serif;background:#f6f7f9;color:#141821;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(180deg,#fffffff0,#f6f7f9f5),repeating-linear-gradient(90deg,rgba(20,24,33,.025) 0,rgba(20,24,33,.025) 1px,transparent 1px,transparent 72px)}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}.app-shell{min-height:100vh;display:grid;grid-template-columns:248px minmax(0,1fr)}.sidebar{position:sticky;top:0;height:100vh;padding:20px 16px;border-right:1px solid #e5e8ef;background:#ffffffd1;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.brand-mark{display:flex;align-items:center;gap:12px;padding:8px 8px 20px}.brand-icon{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#155eef,#00a3b5);box-shadow:0 12px 24px #155eef38}.brand-mark strong{display:block;font-size:16px;line-height:22px}.brand-mark span{display:block;color:#667085;font-size:12px;line-height:18px}.brand-mark.large{padding:0}.brand-mark.large .brand-icon{width:48px;height:48px}.nav-list{display:grid;gap:6px}.nav-item{width:100%;height:40px;border:0;border-radius:8px;display:flex;align-items:center;gap:10px;padding:0 10px;background:transparent;color:#344054;cursor:pointer;transition:background-color .16s ease,color .16s ease}.nav-item.active{color:#155eef;background:#eef4ff;box-shadow:inset 3px 0 #155eef}.nav-item:hover{background:#f0f3f7}.account-card{position:absolute;left:16px;right:16px;bottom:16px;min-height:62px;display:grid;grid-template-columns:36px minmax(0,1fr) 32px;gap:10px;align-items:center;padding:10px;border:1px solid #e5e8ef;border-radius:10px;background:#fff;box-shadow:0 10px 26px #14182114}.avatar{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;color:#fff;background:#141821;font-weight:700}.account-card strong,.account-card span{display:block;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-card strong{font-size:13px;line-height:18px}.account-card span{color:#667085;font-size:12px;line-height:17px}.account-card button{width:32px;height:32px;border:0;border-radius:8px;display:grid;place-items:center;color:#667085;background:#f7f9fc;cursor:pointer}.account-card button:hover{color:#155eef;background:#eef4ff}.workspace{min-width:0;padding:28px 32px 36px}.topbar{min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.eyebrow{color:#00a3b5;font-size:12px;font-weight:650;line-height:18px}h1,h2,h3,p{margin:0}h1{font-size:28px;line-height:36px;font-weight:650}h2{font-size:16px;line-height:24px;font-weight:650}h3{font-size:13px;line-height:20px;font-weight:650}.status-pill{min-height:36px;display:inline-flex;align-items:center;gap:8px;padding:0 12px;border-radius:999px;border:1px solid #d5dde9;background:#fff;color:#344054;font-size:13px;font-weight:600}.notice{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;margin-bottom:16px;border:1px solid #f1d7a3;border-radius:8px;background:#fff8e8;color:#6f4600;font-size:13px;line-height:20px}.notice.compact{margin-bottom:0;padding:10px 12px}.auth-page{min-height:100vh;display:grid;grid-template-columns:minmax(360px,1fr) minmax(360px,460px);gap:48px;align-items:center;padding:56px clamp(24px,6vw,96px)}.auth-hero{display:grid;gap:22px;max-width:720px}.auth-hero h1{max-width:680px;font-size:clamp(38px,5.2vw,68px);line-height:1.04;letter-spacing:0}.auth-hero p{max-width:560px;color:#4b5565;font-size:17px;line-height:28px}.auth-signal{width:fit-content;min-height:38px;display:inline-flex;align-items:center;gap:8px;padding:0 12px;border:1px solid #d5dde9;border-radius:999px;background:#fff;color:#344054;font-size:13px;font-weight:650}.auth-card{display:grid;gap:16px;padding:24px;border:1px solid #e5e8ef;border-radius:12px;background:#fffffff5;box-shadow:0 20px 52px #1418211f}.auth-card h2{font-size:24px;line-height:32px}.text-action{min-height:38px;border:0;border-radius:8px;background:transparent;color:#155eef;cursor:pointer;font-weight:650}.text-action:hover{background:#eef4ff}.work-grid{display:grid;grid-template-columns:minmax(320px,420px) minmax(280px,360px) minmax(420px,1fr);gap:18px;align-items:start;min-width:0}.generator-panel,.progress-panel,.preview-panel{min-width:0;max-width:100%;border:1px solid #e5e8ef;border-radius:12px;background:#fffffff0;box-shadow:0 12px 32px #1418210f}.generator-panel,.progress-panel{padding:18px}.section-heading{display:flex;align-items:center;gap:8px;color:#141821;margin-bottom:14px}.section-heading svg{color:#155eef}.generator-panel{display:grid;gap:13px}label{display:grid;gap:6px}label span{color:#344054;font-size:13px;line-height:20px;font-weight:600}input,select,textarea{width:100%;border:1px solid #d7deea;border-radius:8px;background:#fff;color:#141821;outline:none;transition:border-color .15s ease,box-shadow .15s ease}input,select{height:40px;padding:0 10px}textarea{resize:vertical;min-height:92px;padding:10px;line-height:21px}input:focus,select:focus,textarea:focus{border-color:#155eef;box-shadow:0 0 0 3px #155eef1f}.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}.material-uploader{display:grid;gap:8px}.field-caption{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.field-caption span{color:#344054;font-size:13px;line-height:20px;font-weight:600}.field-caption small{color:#667085;font-size:12px;line-height:18px;text-align:right}.upload-dropzone{min-height:44px;border:1px dashed #9db5f5;border-radius:8px;background:#f4f7ff;color:#155eef;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;font-size:14px;font-weight:650;transition:border-color .15s ease,background-color .15s ease,transform .16s ease}.upload-dropzone:hover:not(:disabled){background:#eef4ff;border-color:#155eef;transform:translateY(-1px)}.upload-dropzone:disabled{cursor:not-allowed;color:#667085;border-color:#d7deea;background:#f7f9fc}.material-list{display:grid;gap:7px}.material-item{min-height:42px;display:grid;grid-template-columns:20px minmax(0,1fr) 30px;align-items:center;gap:8px;padding:8px;border:1px solid #dce7fb;border-radius:8px;background:#fbfdff}.material-item>svg{color:#155eef}.material-item strong,.material-item span{display:block}.material-item strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;line-height:18px}.material-item span{color:#667085;font-size:12px;line-height:17px}.material-item button{width:30px;height:30px;border:0;border-radius:8px;display:grid;place-items:center;background:transparent;color:#667085;cursor:pointer}.material-item button:hover{color:#c9362c;background:#fff0ee}.field-row{display:grid;gap:10px}.field-row.two{grid-template-columns:repeat(2,minmax(0,1fr))}.field-row.three{grid-template-columns:.75fr .7fr 1fr}.primary-action,.secondary-action,.icon-action{min-height:40px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;text-decoration:none;cursor:pointer;font-size:14px;font-weight:650;transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,border-color .16s ease}.primary-action{width:100%;margin-top:4px;color:#fff;background:#155eef;box-shadow:0 14px 28px #155eef38}.primary-action:hover:not(:disabled),.secondary-action:hover,.icon-action:hover{transform:translateY(-1px)}.primary-action:disabled{cursor:not-allowed;background:#9fb9f7;box-shadow:none}.secondary-action{width:100%;margin-top:14px;color:#155eef;background:#eef4ff;border-color:#c8d7fb}.task-focus{display:grid;gap:14px}.task-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.task-title-row strong{display:block;font-size:15px;line-height:22px}.task-title-row span:not(.job-status){display:block;color:#667085;font-size:12px;line-height:18px}.job-status{flex:0 0 auto;border-radius:999px;padding:4px 9px;font-size:12px;line-height:16px;font-weight:700;text-transform:uppercase;background:#f0f3f7;color:#667085}.job-status.running,.job-status.queued{background:#eef4ff;color:#155eef}.job-status.completed{background:#eaf8f0;color:#168a4a}.job-status.failed{background:#fff0ee;color:#c9362c}.progress-track{height:8px;overflow:hidden;border-radius:999px;background:#edf1f6}.progress-track div{height:100%;border-radius:inherit;background:linear-gradient(90deg,#155eef,#00a3b5);transition:width .26s ease}.task-message{color:#344054;font-size:13px;line-height:20px}.stage-list{display:grid;gap:10px}.stage-item{display:grid;grid-template-columns:24px minmax(0,1fr);gap:10px;align-items:start;padding:10px;border-radius:8px;background:#f7f9fc;border:1px solid transparent}.stage-item.running{background:#eef4ff;border-color:#d4e0ff}.stage-item.completed{background:#f2fbf6;border-color:#d8f0e2}.stage-item.failed{background:#fff0ee;border-color:#ffd5d1}.stage-dot{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;color:#155eef;background:#fff;border:1px solid #d7deea}.stage-item.completed .stage-dot{color:#168a4a}.stage-item.failed .stage-dot{color:#c9362c}.stage-item strong,.stage-item span{display:block}.stage-item strong{font-size:13px;line-height:20px}.stage-item span{color:#667085;font-size:12px;line-height:18px}.empty-task{min-height:180px;display:grid;place-items:center;gap:10px;color:#667085;text-align:center;border:1px dashed #d7deea;border-radius:8px;background:#f8fafc;padding:24px}.history-list{margin-top:20px;display:grid;gap:8px}.history-item{min-height:44px;border:1px solid #e5e8ef;border-radius:8px;background:#fff;color:#344054;display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:8px 10px;cursor:pointer}.history-item.selected{border-color:#155eef;background:#f4f7ff}.history-item span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.history-item small,.muted{color:#667085}.history-item small{flex:0 0 auto;line-height:20px;white-space:nowrap}.preview-panel{min-height:calc(100vh - 146px);overflow:hidden}.preview-toolbar{min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid #e5e8ef}.preview-toolbar .section-heading{margin-bottom:0}.toolbar-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.icon-action{min-height:36px;color:#344054;background:#fff;border-color:#d7deea;padding:0 10px}.icon-action.strong{color:#fff;background:#155eef;border-color:#155eef}.preview-surface{height:calc(100vh - 204px);min-height:560px;background:linear-gradient(135deg,#1418210f,#155eef0d),#eef2f6;padding:16px}.pdf-preview{width:100%;height:100%;border-radius:8px;background:#fff;box-shadow:0 12px 32px #14182124;overflow:auto;padding:18px;position:relative}.pdf-pages{display:grid;gap:16px;opacity:0;transition:opacity .18s ease}.pdf-pages.ready{opacity:1}.pdf-page-canvas{display:block;max-width:100%;height:auto;margin:0 auto;border-radius:6px;background:#fff;box-shadow:0 10px 28px #1418211f}.pdf-state{position:absolute;inset:0;z-index:1;display:inline-flex;align-items:center;justify-content:center;gap:8px;color:#344054;background:#ffffffdb;font-size:13px;font-weight:600}.pdf-state.error{color:#c9362c}.slide-placeholder{height:100%;display:grid;place-items:center;align-content:center;gap:16px;color:#667085;text-align:center}.preview-slide{width:min(100%,620px);aspect-ratio:16 / 9;border-radius:8px;background:#fff;box-shadow:0 18px 46px #14182129;padding:8% 9%;display:grid;align-content:center;gap:7%;text-align:left}.preview-slide-topline{width:84px;height:6px;border-radius:999px;background:#00a3b5}.preview-slide h3{display:grid;gap:10px;margin:0;color:#141821;overflow-wrap:anywhere}.preview-slide h3 span{font-size:34px;line-height:1.14}.preview-slide h3 small{color:#344054;font-size:20px;font-weight:650;line-height:1.35}.preview-slide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.preview-slide-grid span{height:72px;border-radius:8px;background:linear-gradient(180deg,#eef4ff,#f7f9fc);border:1px solid #dbe5fb}.preview-slide-note{color:#344054;font-size:14px;line-height:22px}.page-panel{border:1px solid #e5e8ef;border-radius:12px;background:#fffffff0;box-shadow:0 12px 32px #1418210f;padding:18px}.task-record-grid{display:grid;grid-template-columns:minmax(320px,420px) minmax(420px,1fr);gap:16px}.record-list{display:grid;gap:8px;align-content:start}.record-item{min-height:68px;display:grid;gap:4px;text-align:left;padding:12px;border:1px solid #e5e8ef;border-radius:8px;background:#fff;color:#141821;cursor:pointer}.record-item.selected,.record-item:hover{border-color:#155eef;background:#f4f7ff}.record-item strong,.record-item span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.record-item span{color:#667085;font-size:12px}.record-detail{min-height:420px;padding:16px;border:1px solid #e5e8ef;border-radius:10px;background:#fbfcfe}.templates-page{display:grid;gap:24px}.course-template-section,.layout-template-section{display:grid;gap:14px}.layout-template-section{padding-top:22px;border-top:1px solid #e5e8ef}.template-library-header,.template-section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}.template-library-header .section-heading,.template-section-heading .section-heading{margin-bottom:2px}.template-library-header p,.template-section-heading p{max-width:680px;color:#4b5565;font-size:13px;line-height:21px}.template-library-header>span{flex:0 0 auto;min-height:28px;display:inline-flex;align-items:center;padding:0 9px;border:1px solid #dce7fb;border-radius:999px;background:#f4f7ff;color:#155eef;font-size:12px;font-weight:700}.template-filters{display:grid;grid-template-columns:minmax(260px,1fr) 160px 180px;gap:10px}.template-search{position:relative;display:block}.template-search svg{position:absolute;z-index:1;top:12px;left:11px;color:#667085;pointer-events:none}.template-search input{padding-left:36px}.course-template-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:12px}.course-template-card{min-width:0;min-height:286px;display:grid;grid-template-rows:auto auto auto 1fr auto;gap:10px;padding:14px;border:1px solid #e5e8ef;border-radius:8px;background:#fff;box-shadow:0 8px 22px #1418210b;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.course-template-card:hover,.course-template-card.selected{transform:translateY(-2px);border-color:#155eef;box-shadow:0 14px 30px #155eef1c}.course-template-card-top{display:grid;grid-template-columns:34px minmax(0,1fr);gap:10px;align-items:start}.course-template-number{width:34px;height:34px;border-radius:8px;display:grid;place-items:center;color:#155eef;background:#eef4ff;font-size:12px;font-weight:750}.course-template-card-top strong,.course-template-card-top span{display:block;min-width:0}.course-template-card-top strong{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2;color:#141821;font-size:15px;line-height:22px}.course-template-card-top span{margin-top:2px;color:#667085;font-size:12px;line-height:18px}.course-template-meta{display:flex;flex-wrap:wrap;gap:6px}.course-template-meta span{min-height:23px;display:inline-flex;align-items:center;padding:0 7px;border-radius:6px;background:#f1f4f8;color:#344054;font-size:11px;line-height:17px}.course-template-chapter,.course-template-outline{color:#4b5565;font-size:12px;line-height:19px}.course-template-chapter{font-weight:650}.course-template-outline{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:4}.course-template-card .secondary-action{margin-top:0;min-height:38px}.template-empty{min-height:220px;display:grid;place-items:center;align-content:center;gap:8px;padding:24px;border:1px dashed #cdd5e1;border-radius:8px;background:#f8fafc;color:#667085;text-align:center}.template-empty strong{color:#344054;font-size:14px}.template-empty span{font-size:12px}.template-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.template-card{min-height:148px;display:grid;align-content:start;gap:10px;padding:16px;border:1px solid #e5e8ef;border-radius:10px;background:#fff;color:#141821;text-align:left;cursor:pointer;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.template-card svg{color:#155eef}.template-card strong{font-size:16px;line-height:23px}.template-card span{color:#667085;font-size:13px;line-height:20px}.template-card:hover,.template-card.selected{transform:translateY(-2px);border-color:#155eef;box-shadow:0 14px 30px #155eef21}.examples-panel{display:grid;gap:16px}.examples-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}.examples-header .section-heading{margin-bottom:0}.examples-header p{max-width:620px;color:#4b5565;font-size:13px;line-height:22px}.example-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}.example-card{min-width:0;display:grid;grid-template-rows:auto auto auto auto 1fr auto;gap:12px;padding:16px;border:1px solid #e5e8ef;border-radius:10px;background:#fff;box-shadow:0 10px 24px #1418210d;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.example-card:hover,.example-card.selected{transform:translateY(-2px);border-color:#155eef;box-shadow:0 14px 30px #155eef1f}.example-card-top{display:grid;grid-template-columns:38px minmax(0,1fr);gap:10px;align-items:start}.example-icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;color:#155eef;background:#eef4ff}.example-card strong,.example-card span{display:block}.example-card-top strong{color:#141821;font-size:15px;line-height:22px}.example-card-top span{color:#667085;font-size:12px;line-height:18px}.example-tags{display:flex;flex-wrap:wrap;gap:6px}.example-tags span{min-height:24px;display:inline-flex;align-items:center;padding:0 8px;border:1px solid #dce7fb;border-radius:999px;background:#f7faff;color:#344054;font-size:12px;line-height:18px}.example-chapter,.example-outcomes,.example-material p{color:#4b5565;font-size:13px;line-height:21px}.example-chapter,.example-outcomes{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical}.example-chapter,.example-outcomes{-webkit-line-clamp:2}.example-material{display:grid;gap:8px;padding:12px;border:1px solid #e5e8ef;border-radius:8px;background:#f8fafc}.example-material>div{display:flex;align-items:center;gap:6px;color:#155eef;font-size:12px;font-weight:700}.example-material p{display:-webkit-box;overflow:hidden;-webkit-line-clamp:4;-webkit-box-orient:vertical}.admin-create{display:grid;grid-template-columns:minmax(180px,1fr) minmax(140px,.8fr) minmax(140px,.7fr) 130px 150px;gap:10px;align-items:center;margin-bottom:16px}.admin-create .primary-action{margin-top:0}.user-table{display:grid;gap:10px}.user-row{display:grid;grid-template-columns:minmax(260px,1fr) minmax(520px,1.8fr);gap:14px;align-items:center;padding:12px;border:1px solid #e5e8ef;border-radius:10px;background:#fff}.user-row strong,.user-row span{display:block}.user-row strong{font-size:14px;line-height:21px}.user-row span{color:#667085;font-size:12px;line-height:18px}.user-actions{display:grid;grid-template-columns:72px 104px minmax(120px,1fr) 88px 64px;gap:8px}.user-actions button{min-height:36px;border:1px solid #d7deea;border-radius:8px;background:#fff;color:#344054;cursor:pointer;font-size:13px;font-weight:650}.user-actions button:hover{border-color:#155eef;color:#155eef;background:#eef4ff}.user-actions button.danger:hover{border-color:#ffd5d1;color:#c9362c;background:#fff0ee}.spin{animation:spin .9s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:1280px){.work-grid{grid-template-columns:minmax(320px,420px) minmax(420px,1fr)}.progress-panel{grid-column:1}.preview-panel{grid-column:2;grid-row:1 / span 2}}@media(max-width:980px){.auth-page{grid-template-columns:1fr;gap:28px;align-items:start}.app-shell{grid-template-columns:minmax(0,1fr);width:100%;max-width:100vw;overflow-x:hidden}.sidebar{position:static;height:auto;border-right:0;border-bottom:1px solid #e5e8ef}.account-card{position:static;margin-top:12px}.nav-list{grid-template-columns:repeat(4,minmax(0,1fr))}.nav-item{justify-content:center}.nav-item svg{flex:0 0 auto}.work-grid{grid-template-columns:minmax(0,1fr);width:100%;max-width:100%}.preview-panel,.progress-panel{grid-column:auto;grid-row:auto}.preview-panel{min-height:620px}.task-record-grid,.user-row{grid-template-columns:1fr}.admin-create,.user-actions{grid-template-columns:1fr 1fr}.examples-header,.template-library-header,.template-section-heading{align-items:flex-start;flex-direction:column}.template-filters{grid-template-columns:minmax(0,1fr) 1fr 1fr}}@media(max-width:640px){.auth-page{padding:22px 14px}.auth-hero h1{font-size:34px}.workspace{width:100%;max-width:100vw;padding:18px 14px 26px;overflow-x:hidden}.topbar{align-items:flex-start;flex-direction:column}h1{font-size:23px;line-height:31px}.sidebar{padding:14px}.brand-mark{padding-bottom:12px}.nav-list{grid-template-columns:repeat(2,minmax(0,1fr))}.nav-item{font-size:13px}.nav-item span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.field-row.two,.field-row.three{grid-template-columns:minmax(0,1fr)}.generator-panel,.progress-panel,.preview-panel,.page-panel,.field-row,label,input,select,textarea{min-width:0;max-width:100%}.field-caption{align-items:flex-start;flex-direction:column;gap:2px}.field-caption small{text-align:left}.preview-toolbar{align-items:flex-start;flex-direction:column}.toolbar-actions,.icon-action{width:100%}.preview-surface{min-height:420px;height:58vh;padding:10px}.preview-slide{width:100%;padding:9%}.preview-slide h3 span{font-size:26px}.preview-slide h3 small{font-size:17px}.preview-slide-grid{gap:8px}.preview-slide-grid span{height:44px}.admin-create,.user-actions{grid-template-columns:1fr}.example-grid,.template-filters,.course-template-grid{grid-template-columns:minmax(0,1fr)}}