.cp-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--line)}.cp-title{flex:1;min-width:0;display:grid;gap:2px}.cp-title h2{margin:0;font-size:20px;line-height:1.2;color:var(--ink)}.cp-body{display:block}.cp-muted{color:var(--muted);font-size:12.5px}.cp-framing{color:var(--muted);font-size:12.5px;font-style:italic}.cp-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--line);border-radius:11px;background:var(--surface);color:var(--ink);font-size:12.5px;font-weight:700;cursor:pointer;transition:.16s}.cp-btn:hover:not(:disabled){border-color:var(--blue)}.cp-btn:disabled{opacity:.55;cursor:not-allowed}.cp-btn.primary{border-color:transparent;background:var(--blue);color:#fff}.cp-btn.primary:hover:not(:disabled){background:var(--blue2)}.cp-btn.danger{color:var(--danger)}.cp-btn.small{padding:5px 10px;font-size:11.5px}.cp-icon-btn{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--muted);cursor:pointer;transition:.16s}.cp-icon-btn:hover{border-color:var(--blue);color:var(--ink)}.cp-chip{padding:3px 9px;border-radius:999px;background:var(--soft);color:var(--muted);font-size:11px;font-weight:800;white-space:nowrap}.cp-row{display:flex;align-items:center;gap:12px;width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--ink);text-align:left;font:inherit}.cp-row+.cp-row{margin-top:8px}button.cp-row{cursor:pointer;transition:.16s}button.cp-row:hover{border-color:var(--blue)}.cp-table{width:100%;border-collapse:collapse;font-size:13px}.cp-table th,.cp-table td{padding:7px 10px;text-align:left;border-bottom:1px solid var(--line)}.cp-table th{color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase}.cp-inline-menu{display:inline-flex;gap:6px;margin-left:auto}.cp-menu-slot{margin-left:auto}.cp-topic-row.unread strong{font-weight:850}.cp-topic-title{display:flex;align-items:center;gap:8px;flex:1;min-width:0}.cp-topic-title strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cp-unread-dot{width:8px;height:8px;border-radius:50%;background:var(--blue);flex-shrink:0}.cp-prompt{margin-bottom:16px;font-size:14px;line-height:1.55;color:var(--ink)}.cp-prompt p{margin:0 0 8px}.cp-gate{padding:18px;border:1px dashed var(--line);border-radius:13px;text-align:center}.cp-post{padding:12px 14px;border:1px solid var(--line);border-radius:13px;background:var(--surface)}.cp-post+.cp-post,.cp-post-replies .cp-post{margin-top:8px}.cp-post.own{border-color:color-mix(in srgb,var(--blue) 45%,var(--line))}.cp-post.pending{opacity:.72}.cp-post-head{display:flex;align-items:center;gap:8px;font-size:12.5px}.cp-post-body{margin-top:6px;font-size:14px;line-height:1.55}.cp-post-body p{margin:0 0 6px}.cp-post-actions{display:flex;align-items:center;gap:8px;margin-top:8px}.cp-post-replies{margin:8px 0 0 26px}.cp-post-reply-form{display:flex;gap:8px;margin-top:8px}.cp-heart{display:inline-flex;align-items:center;gap:5px;padding:5px 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font-size:12px;cursor:pointer}.cp-heart:hover{color:var(--danger);border-color:var(--danger)}.cp-reply-form{display:flex;gap:10px;margin:14px 0}.cp-reply-form textarea,.cp-post-reply-form textarea{flex:1;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);font:inherit;resize:vertical}.cp-thread-row.unread .cp-thread-name{font-weight:850}.cp-thread-name{font-weight:700}.cp-thread-preview{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cp-notice{margin:10px 0}.cp-msg{padding:12px 14px;border:1px solid var(--line);border-radius:13px;background:var(--surface)}.cp-msg+.cp-msg{margin-top:8px}.cp-msg.own{background:var(--soft)}.cp-msg-head{display:flex;align-items:center;gap:8px;font-size:12.5px}.cp-msg-subject{margin-top:4px;font-weight:800;font-size:13.5px}.cp-msg-body{margin-top:6px;font-size:14px;line-height:1.55}.cp-msg-body p{margin:0 0 6px}.cp-group-set{margin-bottom:14px;border:1px solid var(--line);border-radius:15px;background:var(--surface);overflow:hidden}.cp-group-set-head{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--soft)}.cp-group-set-head strong{font-size:14px}.cp-group-set-head .cp-btn,.cp-group-set-head .cp-icon-btn{margin-left:auto}.cp-group-set-head .cp-btn~.cp-icon-btn{margin-left:0}.cp-group-list{padding:12px 16px;display:grid;gap:10px}.cp-group{padding:10px 12px;border:1px solid var(--line);border-radius:12px}.cp-group-head{display:flex;align-items:center;gap:10px}.cp-group-head .cp-btn{margin-left:auto}.cp-group-members{margin:8px 0 0;padding-left:20px;display:grid;gap:5px;font-size:13px}.cp-group-members li{display:flex;align-items:center;gap:8px}.cp-group-move{margin-left:auto;padding:4px 8px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--ink);font:inherit;font-size:12px}.cp-final{display:flex;align-items:baseline;gap:10px;margin-bottom:14px;padding:14px 18px;border:1px solid var(--line);border-radius:15px;background:var(--soft)}.cp-final strong{font-size:28px;color:var(--ink)}.cp-final span{color:var(--muted);font-size:12.5px;font-weight:700}.cp-reader{display:grid;grid-template-columns:288px minmax(0,1fr);gap:16px;align-items:stretch;height:100%;min-height:0;overflow:hidden}.cp-reader-nav{min-height:0;height:100%;overflow:auto;overscroll-behavior:contain;padding:6px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}.cp-nav-head{padding:12px 12px 14px;border-bottom:1px solid var(--line);margin-bottom:6px}.cp-nav-class{font-size:13.5px;font-weight:800;color:var(--ink);overflow-wrap:anywhere}.cp-nav-bar{margin-top:9px;height:6px;border-radius:999px;background:var(--soft);overflow:hidden}.cp-nav-bar span{display:block;height:100%;border-radius:999px;background:var(--blue);transition:width .3s ease}.cp-nav-count{margin-top:5px;color:var(--muted);font-size:11px;font-weight:700}.cp-nav-tree{display:grid;grid-template-columns:minmax(0,1fr);gap:2px}.cp-nav-unit,.cp-nav-lesson,.cp-nav-item,.cp-nav-lesson-name,.cp-nav-open{min-width:0}.cp-nav-clamp{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-clamp:2;overflow:hidden;overflow-wrap:anywhere;min-width:0}.cp-nav-unit>summary{display:flex;align-items:center;gap:7px;padding:9px 10px;border-radius:10px;color:var(--ink);font-size:13px;font-weight:800;cursor:pointer;list-style:none}.cp-nav-unit>summary::-webkit-details-marker{display:none}.cp-nav-unit>summary:hover{background:var(--soft)}.cp-nav-unit-name{flex:1;line-height:1.3}.cp-nav-unit-count{color:var(--muted);font-size:11px;font-weight:800}.cp-nav-unit-count.done,.cp-nav-lesson-count{color:var(--green, var(--blue))}.cp-nav-caret{flex:none;font-size:13px;color:var(--muted);transition:transform .16s ease}.cp-nav-unit[open]>summary .cp-nav-caret{transform:rotate(90deg)}.cp-nav-lesson{margin:4px 0 6px 12px;padding-left:8px;border-left:2px solid color-mix(in srgb,var(--blue) 32%,var(--line))}.cp-nav-lesson-name{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:7px 10px 3px;color:var(--muted);font-size:10.5px;font-weight:850;letter-spacing:.05em;text-transform:uppercase}.cp-nav-lesson-name>span:first-child{line-height:1.35}.cp-nav-lesson-count{flex:none;font-size:10px;letter-spacing:0}.cp-nav-empty{margin:0;padding:2px 10px 6px;font-size:11.5px}.cp-nav-item{display:flex;align-items:flex-start;border-radius:9px}.cp-nav-item:hover{background:var(--soft)}.cp-nav-item.current{background:color-mix(in srgb,var(--blue) 13%,var(--surface))}.cp-nav-item.current .cp-nav-label{font-weight:800}.cp-nav-item.done .cp-nav-label{color:var(--muted)}.cp-nav-open{display:flex;align-items:flex-start;gap:7px;flex:1;min-width:0;padding:7px 6px 7px 10px;border:0;background:none;color:var(--ink);font:inherit;font-size:12.5px;text-align:left;cursor:pointer}.cp-nav-label{line-height:1.35;margin-top:2px}.cp-nav-state{display:inline-flex;align-items:center;justify-content:center;flex:none;width:15px;height:21px;font-size:15px;color:var(--muted)}.cp-nav-item .ph-check-circle.cp-nav-state{color:color-mix(in srgb,#12b76a 78%,var(--ink))}.cp-nav-edit{display:grid;place-items:center;flex:none;width:26px;height:26px;margin:3px 3px 0 0;border:0;border-radius:7px;background:transparent;color:var(--muted);opacity:0;cursor:pointer;transition:opacity .16s}.cp-nav-item:hover .cp-nav-edit,.cp-nav-item:focus-within .cp-nav-edit{opacity:1}.cp-nav-edit:hover{background:var(--soft);color:var(--ink)}.cp-ficon-slot{display:inline-flex;align-items:center;justify-content:center;flex:0 0 18px;width:18px;height:21px;color:var(--muted)}.cp-ficon-slot .cp-ficon{display:block;max-width:18px;height:20px;width:auto}.cp-ficon-slot .cp-ficon-glyph{font-size:16px;line-height:1}.cp-ficon-tone-image{color:var(--blue)}.cp-ficon-tone-video{color:var(--danger)}.cp-ficon-tone-audio{color:var(--blue2)}.cp-ficon-tone-archive{color:var(--muted)}.cp-ficon-tone-code{color:var(--blue2)}.cp-reader-main{display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:12px;min-width:0;min-height:0;height:100%}.cp-reader-head{display:flex;align-items:center;gap:12px}.cp-reader-heading{flex:1;min-width:0}.cp-reader-crumb{color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cp-reader-crumb:empty{display:none}.cp-reader-title-row{display:flex;align-items:center;gap:8px;min-width:0}.cp-reader-title-row h2{min-width:0;margin:0;overflow:hidden;color:var(--ink);font-size:20px;line-height:1.25;text-overflow:ellipsis;white-space:nowrap}.cp-reader-title-row .cp-btn{flex:none}.cp-reader-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.cp-reader-stage{min-width:0;min-height:0;overflow:auto;overscroll-behavior:contain}.cp-reader-loading{display:flex;justify-content:center;padding:60px 0}.cp-reader-frame{display:block;width:100%;height:100%;min-height:0;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.cp-reader-gdoc{border:0;box-shadow:var(--shadow)}.cp-reader-imgwrap{display:flex;justify-content:center;height:100%;overflow:auto;padding:14px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}.cp-reader-img,.cp-reader-video{max-width:100%;max-height:100%;border-radius:10px}.cp-reader-audio{width:min(420px,100%)}.cp-reader-page{max-width:860px;height:100%;margin:0 auto;padding:44px 54px;border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--ink);font-size:15px;line-height:1.65;overflow:auto}.cp-reader-page p{margin:0 0 12px}.cp-reader-page img{max-width:100%;height:auto}.cp-reader-page a{color:var(--blue)}.cp-reader-edit{margin-top:12px}.cp-reader-card{display:flex;flex-direction:column;align-items:center;gap:12px;height:100%;padding:56px 24px;border:1px solid var(--line);border-radius:16px;background:var(--surface);text-align:center}.cp-reader-card>.ph{font-size:32px;color:var(--muted)}.cp-reader-card h3{margin:0;color:var(--ink);font-size:17px}.cp-reader-card p{margin:0}.cp-reader-foot{display:flex;align-items:center;gap:12px;padding-top:12px;border-top:1px solid var(--line)}.cp-reader-state{flex:1;display:flex;justify-content:center}.cp-chip.done{background:color-mix(in srgb,#12b76a 16%,var(--surface));color:color-mix(in srgb,#12b76a 72%,var(--ink))}@media(max-width:900px){.cp-reader{grid-template-columns:1fr;grid-template-rows:minmax(0,auto) minmax(0,1fr)}.cp-reader-nav{height:auto;max-height:240px}.cp-reader-page{padding:26px 20px}}@media(max-width:640px){.cp-head,.cp-row{flex-wrap:wrap}.cp-post-replies{margin-left:12px}.cp-reader-head,.cp-reader-title-row{flex-wrap:wrap}.cp-reader-actions{width:100%}}