:root{--bg: #F3F6F9;--rail: #FFFFFF;--page: #FFFFFF;--card: #FFFFFF;--elev: #EFF3F7;--elev-2: #E3E9F0;--panel: var(--elev);--border: #DCE3EA;--line: var(--border);--text: #17212B;--muted: #5A6A7A;--faint: #8A96A3;--accent: #1F4E79;--accent-hover: #2E6DA4;--accent-soft: #E9F0F6;--accent-ink: var(--accent);--accent2: #0E7C86;--accent2-soft: #E1F2F3;--orange: #C8661B;--orange-soft: #FCEEE1;--green: #197A4B;--green-hover: #22955C;--green-soft: #E2F4EA;--red: #B8352A;--red-soft: #FBE8E5;--amber: #C8661B;--radius: 14px;--shadow: 0 1px 2px rgba(23, 33, 43, .06), 0 6px 18px rgba(23, 33, 43, .06);font-family:Onest,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #0E151C;--rail: #17212B;--page: #17212B;--card: #17212B;--elev: #1C2A38;--elev-2: #24364A;--border: #2B3947;--text: #E7EDF3;--muted: #9BAAB9;--faint: #6E7F8F;--accent: #2E6DA4;--accent-hover: #3A82C4;--accent-soft: #1C2A38;--accent-ink: #8FBDEA;--accent2: #4FC4CD;--accent2-soft: #12333A;--orange: #F29B55;--orange-soft: #3A2817;--green: #55C792;--green-hover: #6ED6A4;--green-soft: #153224;--red: #F2796C;--red-soft: #3B1F1C;--amber: #F29B55;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 6px 18px rgba(0, 0, 0, .3);color-scheme:dark}}:root[data-theme=dark]{--bg: #0E151C;--rail: #17212B;--page: #17212B;--card: #17212B;--elev: #1C2A38;--elev-2: #24364A;--border: #2B3947;--text: #E7EDF3;--muted: #9BAAB9;--faint: #6E7F8F;--accent: #2E6DA4;--accent-hover: #3A82C4;--accent-soft: #1C2A38;--accent-ink: #8FBDEA;--accent2: #4FC4CD;--accent2-soft: #12333A;--orange: #F29B55;--orange-soft: #3A2817;--green: #55C792;--green-hover: #6ED6A4;--green-soft: #153224;--red: #F2796C;--red-soft: #3B1F1C;--amber: #F29B55;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 6px 18px rgba(0, 0, 0, .3);color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;padding:0}input,textarea,select{font:inherit;color:inherit}h1,h2,h3,p{margin:0}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#c7d2db;border-radius:8px}::-webkit-scrollbar-track{background:transparent}.app{display:flex;height:100%;background:radial-gradient(60em 40em at 88% -8%,#1f4e7914,#0000 62%),radial-gradient(52em 38em at -12% 46%,#0e7c8612,#0000 60%),radial-gradient(46em 34em at 70% 112%,#c8661b0f,#0000 58%),var(--bg)}.rail{width:68px;flex:none;display:flex;flex-direction:column;align-items:center;padding:12px 0;gap:2px;background:var(--rail);border-right:1px solid var(--line)}.rail-logo{width:40px;height:40px;border-radius:12px;background:var(--accent);display:grid;place-items:center;margin-bottom:8px;color:#fff}.rail-nav{display:flex;flex-direction:column;align-items:center;gap:4px;flex:1;width:100%}.rail-item{position:relative;width:100%;display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px 0;color:var(--muted);font-size:10px;font-weight:500}.rail-item .ico{position:relative;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;transition:background .15s}.rail-badge{position:absolute;top:-2px;right:-2px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--red);color:#fff;font-size:10px;font-weight:700;display:grid;place-items:center;line-height:1}.rail-item:hover .ico{background:var(--accent-soft)}.rail-item.active{color:var(--accent-ink);font-weight:700}.rail-item.active .ico{background:var(--accent);color:#fff;box-shadow:0 6px 18px #1f4e7959}.rail-user{position:relative;margin-top:auto}.avatar{width:34px;height:34px;border-radius:50%;background:var(--orange);color:#fff;font-weight:700;display:grid;place-items:center;position:relative;flex:none}.avatar.sm{width:28px;height:28px;font-size:12px}.avatar.lg{width:42px;height:42px;font-size:17px}.avatar .dot{position:absolute;right:-1px;bottom:-1px;width:10px;height:10px;border-radius:50%;background:#34c759;border:2px solid var(--rail)}.main{flex:1;min-width:0;display:flex;padding:8px 8px 8px 0;gap:8px}.panel{flex:1;min-width:0;background:var(--page);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow)}.panel-head{display:flex;align-items:center;gap:12px;padding:0 20px;min-height:56px;border-bottom:1px solid var(--border);flex:none}.panel-body{flex:1;overflow:auto;min-height:0}.panel-foot{flex:none;border-top:1px solid var(--border);display:flex;justify-content:center;padding:10px}.subnav{width:280px;flex:none;display:flex;flex-direction:column;gap:12px;padding-top:0}.subnav-group{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.subnav-item{display:flex;align-items:center;gap:12px;padding:14px 16px;position:relative;color:var(--text);font-weight:500;width:100%;text-align:left}.subnav-item .ico{color:var(--accent-ink);display:grid;place-items:center}.subnav-item:hover{background:var(--elev)}.subnav-item.active{background:var(--accent-soft)}.subnav-item.active:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent)}.subnav-item .count{margin-left:auto;min-width:26px;height:26px;padding:0 8px;border-radius:13px;background:var(--accent-soft);color:var(--accent-ink);display:grid;place-items:center;font-size:12px}.subnav-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;font-weight:700}.badge-count{min-width:24px;height:24px;padding:0 7px;border-radius:12px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;display:inline-grid;place-items:center}[data-tip]{position:relative}[data-tip]:after{content:attr(data-tip);position:absolute;left:calc(100% + 8px);top:50%;transform:translateY(-50%);background:var(--text);color:var(--card);padding:8px 12px;border-radius:10px;font-size:12px;font-weight:500;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .12s;z-index:50}[data-tip]:hover:after{opacity:1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:36px;padding:0 14px;border-radius:12px;font-weight:600;font-size:13px;background:var(--elev);color:var(--text);transition:background .15s,opacity .15s;white-space:nowrap}.btn:hover{background:var(--elev-2)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-green{background:var(--green);color:#fff}.btn-green:hover{background:var(--green-hover)}.btn-danger{background:var(--red-soft);color:var(--red)}.btn-danger:hover{background:#f6d7d2}.btn-light{background:var(--card);color:var(--text);border:1px solid var(--line)}.btn-light:hover{background:var(--elev)}.btn-sm{height:30px;padding:0 10px;font-size:12px;border-radius:10px}.btn-icon{width:36px;padding:0}.pill{height:32px;padding:0 14px;border-radius:16px;background:var(--elev);border:1px solid var(--line);font-weight:600;font-size:13px;display:inline-flex;align-items:center;gap:6px;color:var(--text)}.pill:hover{background:var(--elev-2)}.pill.active{background:var(--accent);border-color:var(--accent);color:#fff}.tabs{display:inline-flex;gap:8px}.tab{height:38px;padding:0 16px;border-radius:12px;background:var(--elev);display:inline-flex;align-items:center;gap:10px;font-weight:600;border:1px solid transparent}.tab .ico{color:var(--accent-ink);display:grid;place-items:center}.tab.active{border-color:var(--accent);background:var(--accent-soft)}.tab:hover{background:var(--elev-2)}.tab.active:hover{background:#dceaf5}.seg{display:inline-flex;background:var(--elev);border:1px solid var(--line);border-radius:12px;padding:3px;max-width:100%;overflow-x:auto}.seg button{height:32px;padding:0 16px;white-space:nowrap;border-radius:9px;font-weight:600;font-size:13px;color:var(--muted)}.seg button.active{background:var(--card);color:var(--text);box-shadow:0 1px 3px #17212b1f}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:12px;color:var(--muted)}.field .hint{font-size:12px;color:var(--faint);align-self:flex-end}.input,.textarea,.select{width:100%;background:var(--elev);color:var(--text);border:1px solid var(--border);border-radius:12px;padding:0 14px;height:44px;outline:none;transition:border-color .15s}.textarea{padding:12px 14px;height:auto;min-height:84px;resize:vertical}.input:focus,.textarea:focus,.select:focus{border-color:var(--accent)}.input::placeholder,.textarea::placeholder{color:var(--faint)}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none}.search{position:relative}.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}.search input{height:36px;width:240px;padding:0 14px 0 36px;background:var(--elev);border:1px solid transparent;border-radius:12px;outline:none}.search input:focus{border-color:var(--accent)}.switch{position:relative;width:44px;height:26px;flex:none}.switch input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer;margin:0;z-index:1}.switch i{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--elev-2);border-radius:13px;transition:background .15s}.switch i:after{content:"";position:absolute;left:3px;top:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .15s}.switch input:checked+i{background:var(--accent)}.switch input:checked+i:after{transform:translate(18px)}.muted{color:var(--muted)}.title-xl{font-size:26px;font-weight:600;letter-spacing:-.01em}.crumb{display:flex;align-items:center;gap:8px;font-weight:500}.crumb .sep{color:var(--faint)}.crumb .cur{color:var(--accent-ink)}.refresh{color:var(--accent-ink);display:grid;place-items:center;width:28px;height:28px;border-radius:8px}.refresh:hover{background:var(--accent-soft)}.spacer{flex:1}.row{display:flex;align-items:center;gap:12px}.help{color:var(--faint);display:inline-grid;vertical-align:middle;margin-left:6px}.toolbar{display:flex;align-items:center;gap:10px;padding:12px 20px;flex-wrap:wrap}table.data{width:100%;border-collapse:collapse}table.data th{text-align:left;font-weight:600;padding:16px 20px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--page);white-space:nowrap;z-index:1}table.data th .sort{color:var(--faint);margin-left:6px;vertical-align:middle}table.data th .sort.on{color:var(--accent-ink)}table.data td{padding:14px 20px;border-bottom:1px solid var(--line);vertical-align:middle}table.data tr.clickable{cursor:pointer}table.data tbody tr:hover td{background:var(--elev)}.user-cell{display:flex;align-items:center;gap:10px}.user-cell .name{font-weight:500}.user-cell .sub{font-size:12px;color:var(--muted)}.count-chip{display:inline-grid;place-items:center;min-width:24px;height:24px;padding:0 7px;border-radius:12px;background:var(--elev);border:1px solid var(--line);color:var(--text);font-size:12px;font-weight:700;margin-left:8px;vertical-align:middle}.count-chip.gray{background:var(--elev-2);color:var(--muted);border-color:transparent}.status{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:12px;font-size:12px;font-weight:600}.status.paid,.status.accepted{background:var(--green-soft);color:var(--green)}.status.pending{background:var(--orange-soft);color:var(--orange)}.status.failed,.status.rejected{background:var(--red-soft);color:var(--red)}.empty{height:100%;min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:6px;padding:40px 20px}.empty .big{color:var(--accent-ink);margin-bottom:14px}.empty h3{font-size:18px;font-weight:600}.empty p{color:var(--muted);max-width:420px}.empty .btn{margin-top:16px}.pager{display:flex;align-items:center;gap:14px}.pager button{width:28px;height:28px;display:grid;place-items:center;color:var(--muted);border-radius:8px}.pager button:hover:not(:disabled){background:var(--elev)}.pager button:disabled{opacity:.35;cursor:default}.pager .cur{min-width:40px;height:36px;padding:0 10px;background:var(--elev);border-radius:10px;display:grid;place-items:center;font-weight:600}.stat-row{display:flex;gap:12px;overflow-x:auto;padding:14px 20px 10px}.stat-card{flex:1 0 300px;height:148px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px;display:flex;flex-direction:column;justify-content:space-between;position:relative;box-shadow:var(--shadow)}.stat-ico{width:48px;height:48px;border-radius:14px;background:var(--accent-soft);color:var(--accent-ink);display:grid;place-items:center}.stat-delta{position:absolute;right:18px;top:16px;min-width:30px;height:20px;padding:0 8px;border-radius:10px;background:var(--elev);color:var(--muted);font-size:11px;display:grid;place-items:center}.stat-foot{display:flex;align-items:flex-end;justify-content:space-between}.stat-label{color:var(--muted);font-size:15px}.stat-value{font-size:38px;font-weight:700;color:var(--accent-ink);line-height:1}.stat-value small{font-size:14px;font-weight:600;margin-left:4px}.charts{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;padding:4px 20px 12px}.chart-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px 12px;min-width:0;box-shadow:var(--shadow)}.chart-card.wide{grid-column:1 / -1;margin-bottom:8px}.chart-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:4px;flex-wrap:wrap;row-gap:8px}.chart-head h3{font-size:16px;font-weight:600;white-space:nowrap}.chart-head .sub{font-size:12px;color:var(--muted);margin-top:4px}.chart-svg{width:100%;display:block;overflow:visible}.chart-svg text{fill:var(--muted);font-size:11px;font-family:inherit}.chart-tip{position:absolute;pointer-events:none;background:var(--text);color:var(--card);border:1px solid var(--text);border-radius:10px;padding:6px 10px;font-size:12px;transform:translate(-50%,-110%);white-space:nowrap;z-index:5}.dropdown{position:relative}.menu{position:absolute;right:0;top:calc(100% + 6px);background:var(--card);border:1px solid var(--line);border-radius:12px;padding:6px;min-width:170px;z-index:30;box-shadow:0 12px 32px #17212b2e}.menu button,.menu a{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:9px 12px;border-radius:8px;font-size:13px}.menu button:hover,.menu a:hover{background:var(--elev)}.menu .sel{color:var(--accent2)}.menu .danger{color:var(--red)}.course-wrap{max-width:850px;margin:0 auto;padding:28px 20px 60px}.course-head{display:flex;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}.course-head .links{margin-left:auto;display:flex;align-items:center;gap:14px}.link-tab{display:inline-flex;gap:6px;align-items:center;color:var(--muted);font-size:13px;padding:4px 2px}.link-tab.active{color:var(--accent-ink)}.link-tab+.link-tab{border-left:1px solid var(--border);padding-left:14px}.link-tab.active.first{color:var(--accent2)}.course-card{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin-bottom:12px;cursor:pointer;transition:border-color .15s;box-shadow:var(--shadow)}.course-card:hover{border-color:#c7d2db}.course-card .body{flex:1;min-width:0;display:flex;flex-direction:column;gap:14px}.course-card .meta-top{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px}.course-card h3{font-size:18px;font-weight:600}.course-card .meta-bot{display:flex;align-items:center;gap:10px;font-size:12px;margin-top:auto}.course-card .meta-bot .sepline{width:1px;height:14px;background:var(--line)}.mini-ico{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;color:#fff}.thumb{width:64px;height:64px;border-radius:12px;background:var(--elev);display:grid;place-items:center;color:var(--muted);flex:none}.thumb.big{width:120px;height:90px}.price-tag{font-size:11px;font-weight:700;padding:3px 8px;border-radius:6px;background:#ebe2f6;color:#6b3fa0}.price-tag.paid{background:var(--green-soft);color:var(--green)}.editor{max-width:860px;margin:0 auto;padding:24px 20px 80px;display:flex;flex-direction:column;gap:18px}.block{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow)}.block h3{font-size:16px;font-weight:600}.module{background:var(--elev);border:1px solid var(--line);border-radius:14px;padding:14px;display:flex;flex-direction:column;gap:10px}.lesson{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 12px}.lesson .t{flex:1;min-width:0}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.check-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:4px 0}.check-row .d{color:var(--muted);font-size:12px;margin-top:3px}.settings-wrap{max-width:850px;margin:0 auto;padding:40px 24px 80px;display:flex;flex-direction:column;gap:22px}.settings-wrap h2{font-size:24px;font-weight:600}.note-ok{display:flex;align-items:center;gap:14px;background:var(--green-soft);border:1px solid var(--green);border-radius:14px;padding:12px 16px}.note-ok .okic{width:34px;height:34px;border-radius:50%;background:var(--green);display:grid;place-items:center;flex:none}.note-ok .grow{flex:1}.note-ok b{display:block;font-weight:600}.note-ok span{font-size:12px;color:var(--muted)}.domain-opts{display:grid;grid-template-columns:1fr 1fr;gap:14px}.domain-opt{text-align:left;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 14px;min-height:108px;position:relative;overflow:hidden;box-shadow:var(--shadow)}.domain-opt.sel{border:2px solid var(--accent);padding:15px 13px}.domain-opt b{display:block;font-weight:500;font-size:15px;margin-bottom:6px}.domain-opt span{font-size:12px;color:var(--muted)}.domain-opt .bg{position:absolute;right:8px;bottom:-8px;color:var(--line);opacity:.8}.with-icons{position:relative}.with-icons .icons{position:absolute;right:10px;top:50%;transform:translateY(-50%);display:flex;gap:6px}.icon-btn{width:30px;height:30px;display:grid;place-items:center;border-radius:8px;color:var(--muted)}.icon-btn:hover{background:var(--elev);color:var(--accent-ink)}.saved{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted)}.saved .ok{width:12px;height:12px;border-radius:50%;background:var(--green);display:inline-grid;place-items:center}.school-head{padding:10px 14px;background:var(--elev);border:1px solid var(--line);border-radius:var(--radius)}.school-head b{display:block;font-weight:600;font-size:13px}.color-row{display:flex;gap:10px;flex-wrap:wrap}.swatch{width:36px;height:36px;border-radius:10px;border:2px solid transparent}.swatch.sel{border-color:var(--accent)}.subnav-sub{padding:6px 0 8px}.subnav-sub button{display:block;width:100%;text-align:left;padding:8px 16px 8px 50px;color:var(--muted)}.subnav-sub button:hover{background:var(--elev)}.subnav-sub button.active{color:var(--accent-ink)}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#17212b73;display:grid;place-items:center;z-index:100;padding:20px}.modal{width:100%;max-width:480px;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;display:flex;flex-direction:column;gap:16px;box-shadow:0 30px 80px #17212b38;max-height:90vh;overflow:auto}.modal.wide{max-width:640px}.modal h2{font-size:20px;font-weight:600}.modal-actions{display:flex;justify-content:flex-end;gap:10px}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%);background:var(--text);color:var(--card);border:1px solid var(--text);padding:12px 18px;border-radius:12px;z-index:200;box-shadow:0 10px 30px #17212b40}.student{display:flex;height:100%;background:var(--bg)}.s-side{width:292px;flex:none;display:flex;flex-direction:column;padding:8px 12px 12px;gap:4px;background:var(--card);border-right:1px solid var(--line)}.s-logo{height:56px;display:flex;align-items:center;gap:10px;padding:0 6px;margin-bottom:6px}.s-logo .mark{width:40px;height:40px;border-radius:12px;background:var(--accent);display:grid;place-items:center;color:#fff;flex:none}.brand{font-size:32px;font-weight:700;letter-spacing:-.04em;line-height:.9}.brand .t{color:var(--text)}.brand .it{color:var(--accent2)}.brand-sub{font-size:9px;color:var(--muted);letter-spacing:.02em;margin-top:2px}.s-item{display:flex;align-items:center;gap:14px;height:44px;padding:0 16px;border-radius:12px;color:var(--muted);font-weight:500;width:100%;text-align:left}.s-item:hover{background:var(--elev)}.s-item.active{color:var(--accent-ink);font-weight:600;background:var(--accent-soft)}.s-item.active .ico{color:var(--accent-ink)}.s-item.small{height:36px;font-size:12.5px;color:var(--muted);gap:12px;padding:0 12px}.s-gap{height:20px}.s-cp{display:flex;align-items:center;gap:12px;height:46px;border:1px solid var(--accent);border-radius:12px;padding:0 14px;margin:14px 0 0;width:232px;font-weight:500}.s-cp:hover{background:var(--accent-soft)}.s-bottom{margin-top:auto;display:flex;flex-direction:column;gap:8px}.upgrade{display:flex;align-items:center;gap:8px;background:var(--green-soft);border:1px solid var(--green);border-radius:12px;padding:4px}.upgrade button{flex:0 0 auto;width:186px;height:36px;border-radius:9px;background:linear-gradient(90deg,var(--green),#15643D);color:#fff;font-weight:600;font-size:13px;display:flex;align-items:center;justify-content:center;gap:8px}.s-demo{font-size:11px;color:var(--muted);text-align:center}.s-user{display:flex;align-items:center;gap:10px;background:var(--elev);border:1px solid var(--line);border-radius:12px;padding:8px 10px}.s-user .who{flex:1;min-width:0}.s-user .who b{display:block;font-weight:500;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.s-user .who span{font-size:11px;color:var(--muted)}.s-main{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--bg)}.s-top{height:56px;flex:none;display:flex;align-items:center;padding:0 20px 0 0;gap:12px}.s-burger{display:none}.s-top h1{font-size:21px;font-weight:500;display:flex;align-items:center;gap:12px}.s-top .icons{margin-left:auto;display:flex;gap:6px}.s-body{flex:1;min-height:0;overflow:auto;padding:0 12px 12px 0}.s-body.split{display:flex;padding:0}.s-card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.train{display:grid;grid-template-columns:minmax(0,850px) 280px;justify-content:center;gap:20px;padding:0 20px 20px}.train-main{min-height:536px;padding:22px 24px;display:flex;flex-direction:column}.train-main .cont{font-weight:600;width:fit-content;border-bottom:2px solid var(--accent);padding-bottom:1px}.train-side{display:flex;flex-direction:column;gap:12px;max-width:280px}.side-card{display:flex;align-items:center;gap:14px;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:16px;width:100%;text-align:left;box-shadow:var(--shadow)}.side-card:hover{background:var(--elev)}.side-card .ico{width:40px;height:40px;border-radius:12px;background:var(--accent-soft);color:var(--accent-ink);display:grid;place-items:center;flex:none}.side-card b{display:block;font-weight:600}.side-card span{font-size:12px;color:var(--muted)}.side-card .n{margin-left:auto}.tasks-done{padding:14px 16px;min-height:128px;position:relative;overflow:hidden}.tasks-done b{display:block}.tasks-done span{font-size:12px;color:var(--muted);display:block;max-width:170px;margin-top:4px}.tasks-done .bg{position:absolute;right:-14px;bottom:-14px;color:var(--line)}.train-list{display:flex;flex-direction:column;gap:10px;margin-top:18px}.tcard{display:flex;align-items:center;gap:14px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;cursor:pointer;box-shadow:var(--shadow)}.tcard:hover{background:var(--elev)}.tcard .grow{flex:1;min-width:0}.progress{height:6px;border-radius:3px;background:var(--elev-2);margin-top:8px;overflow:hidden}.progress i{display:block;height:100%;background:var(--accent);border-radius:3px}.catalog{padding:6px 20px 40px;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.cat-card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}.cat-card .cover{height:140px;background:linear-gradient(135deg,var(--accent-soft),var(--accent2-soft));display:grid;place-items:center;color:var(--accent-ink)}.cat-card .in{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}.cat-card h3{font-size:16px;font-weight:600}.cat-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:8px}.msgr{flex:1;min-height:0;display:flex;gap:0;margin:0 12px 12px 0}.msgr-list{width:350px;flex:none;display:flex;flex-direction:column;border-right:1px solid var(--border);background:var(--card);border-radius:16px 0 0 16px;border:1px solid var(--line)}.msgr-search{display:flex;gap:10px;padding:10px 10px 12px;align-items:center}.msgr-search .search{flex:1}.msgr-search .search input{width:100%;height:34px}.msgr-tabs{display:flex;gap:6px;padding:0 10px 8px;border-bottom:1px solid var(--border)}.msgr-tabs button{height:30px;padding:0 14px;border-radius:15px;color:var(--muted);font-weight:600;font-size:13px}.msgr-tabs button.active{background:var(--accent);color:#fff}.msgr-items{flex:1;overflow:auto}.chat-item{display:flex;gap:10px;padding:12px 14px;width:100%;text-align:left;align-items:center}.chat-item:hover{background:var(--elev)}.chat-item.active{background:var(--accent-soft)}.chat-item .grow{flex:1;min-width:0}.chat-item .last{font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.msgr-view{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-left:0;border-radius:0 16px 16px 0}.msgr-view .thread{flex:1;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:8px}.bubble{max-width:70%;padding:9px 13px;border-radius:14px;background:var(--elev);align-self:flex-start}.bubble.mine{background:var(--accent);color:#fff;align-self:flex-end}.bubble time{display:block;font-size:10px;opacity:.65;margin-top:3px}.composer{display:flex;gap:10px;padding:12px;border-top:1px solid var(--border)}.composer .input{height:40px}.lesson-view{max-width:820px;margin:0 auto;padding:8px 20px 60px;display:flex;flex-direction:column;gap:16px}.lv-mod{padding:16px;display:flex;flex-direction:column;gap:8px}.lv-lesson{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;background:var(--elev);width:100%;text-align:left}.lv-lesson:hover{background:var(--elev-2)}.lv-lesson .chk{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;color:var(--muted);flex:none}.lv-lesson .chk.done{background:var(--green);border-color:var(--green);color:#fff}.video-ph{aspect-ratio:16 / 9;background:linear-gradient(135deg,var(--accent-soft),var(--accent2-soft));border-radius:14px;display:grid;place-items:center;color:var(--accent-ink)}@media (max-width: 1100px){.charts{grid-template-columns:minmax(0,1fr)}.train{grid-template-columns:1fr}.train-side{max-width:none}}@media (max-width: 800px){.main{flex-direction:column;padding:8px}.subnav{width:100%;flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:2px;-webkit-overflow-scrolling:touch}.subnav-group{flex:none;display:flex;flex-direction:row;align-items:stretch}.subnav-head{display:none}.subnav-item{flex:none;white-space:nowrap;padding:10px 14px}.subnav-item.active:before{left:10px;right:10px;top:auto;bottom:0;width:auto;height:3px}.subnav-sub{display:flex;flex-direction:row;padding:0}.subnav-sub button{width:auto;white-space:nowrap;padding:10px 14px}.panel-head{flex-wrap:wrap;min-height:auto;padding:12px;row-gap:8px}.toolbar{padding:10px 12px}.search input{width:100%}.toolbar .search{flex:1 1 140px}.grid2,.domain-opts{grid-template-columns:1fr}.course-wrap,.editor,.settings-wrap,.lesson-view{padding-left:14px;padding-right:14px}.s-burger{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;color:var(--text);flex:none}.s-burger:hover{background:var(--elev)}.s-top{padding-left:12px;gap:10px}.s-body{padding-left:12px}.s-side{position:fixed;top:0;left:0;bottom:0;z-index:80;width:280px;transform:translate(-100%);transition:transform .22s ease}.s-side.open{transform:translate(0);box-shadow:20px 0 60px #17212b40}.s-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#17212b66;z-index:75}.msgr{position:relative}.msgr-list,.msgr-view{width:100%;border-radius:16px}.msgr-view{border-left:1px solid var(--line)}.msgr.chat-open .msgr-list{display:none}.msgr:not(.chat-open) .msgr-view{display:none}.msgr-back{display:inline-flex!important}}.panel .msgr{margin:0}.msgr-back{display:none;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;color:var(--text);flex:none}.msgr-back:hover{background:var(--elev)}.spin{animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.exq-progress-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.exq-score-pill{margin-left:auto;font-size:12px;font-weight:700;color:var(--accent-ink);background:var(--accent-soft);padding:4px 10px;border-radius:12px}.exq-item{padding:10px 0;border-bottom:1px dashed var(--line)}.exq-item:last-child{border-bottom:0}.exq-num{display:inline-block;min-width:22px;font-weight:700;color:var(--accent-ink)}.exq-opts{display:inline-flex;gap:6px;flex-wrap:wrap;margin:6px 0 2px}.exq-opt{font-size:13px;padding:6px 12px;border-radius:16px;border:1.5px solid var(--border);background:var(--elev);color:var(--text);cursor:pointer}.exq-opt:hover{border-color:var(--accent)}.exq-opt.sel{border-color:var(--accent);background:var(--accent-soft);font-weight:600}.exq-opt.ok{border-color:var(--green);background:var(--green-soft);color:var(--green);font-weight:700}.exq-opt.bad{border-color:var(--red);background:var(--red-soft);color:var(--red);font-weight:700}.exq-fb{font-size:12.5px;margin-top:4px}.exq-fb.good{color:var(--green)}.exq-fb.wrong{color:var(--red)}.exq-fb .model{color:var(--accent2);font-style:italic}.exq-gap-input{display:inline-block;width:160px;margin:2px 6px;height:34px}.exq-gap-input.wide{display:block;width:100%;margin-top:8px}.exq-gap-input.exq-ok{border-color:var(--green)!important;background:var(--green-soft)!important}.exq-gap-input.exq-bad{border-color:var(--red)!important;background:var(--red-soft)!important}.exq-passage{line-height:2.3;background:var(--elev);border-left:4px solid var(--accent);padding:16px 18px;border-radius:10px}.exq-bank{background:var(--accent-soft);border:1.5px dashed var(--accent);padding:8px 12px;border-radius:8px;margin-bottom:12px;font-weight:600;color:var(--accent-ink)}.exq-reading{background:var(--elev);border:1px solid var(--line);border-radius:10px;padding:16px 18px;line-height:1.7;margin-bottom:12px}.exq-grammar{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:4px}.exq-grammar th{background:var(--elev);text-align:left;padding:8px;color:var(--muted);font-weight:600}.exq-grammar td{border:1px solid var(--border);padding:8px;vertical-align:top}.exq-grammar tr:nth-child(2n) td{background:var(--elev)}.exq-check-item{display:flex;gap:10px;align-items:flex-start;padding:8px 0;cursor:pointer}.exq-check-item input{width:18px;height:18px;margin-top:2px;accent-color:var(--accent)}.exq-speak{text-align:center;padding:10px}.exq-speak-prompt{font-size:19px;color:var(--accent-ink);font-weight:700;min-height:60px;margin:14px 0}.exq-speak-timer{font-size:34px;font-weight:700;color:var(--orange);font-variant-numeric:tabular-nums}.fc-controls{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end}.fc-controls .field{min-width:170px;flex:1 1 170px}.fc-stats{display:flex;flex-wrap:wrap;gap:16px;align-items:center;font-size:12.5px;color:var(--muted);margin-top:4px}.fc-stats b{color:var(--text)}.fc-cardzone{perspective:1400px;margin:4px 0 14px}.fc-card{position:relative;height:300px;cursor:pointer;transform-style:preserve-3d;transition:transform .45s cubic-bezier(.3,.7,.3,1);outline:none}.fc-card.flip{transform:rotateY(180deg)}.fc-face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:var(--card);border:1px solid var(--line);border-radius:16px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;text-align:center;box-shadow:var(--shadow)}.fc-face.back{transform:rotateY(180deg)}.fc-meta{position:absolute;top:14px;left:18px;right:18px;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.fc-tier{font-weight:700;letter-spacing:.04em;color:var(--accent-ink)}.fc-word{font-size:2.2rem;font-weight:700;letter-spacing:-.02em;line-height:1.15;word-break:break-word}.fc-pos{font-style:italic;color:var(--muted);margin-top:6px}.fc-forms{color:var(--muted);font-size:13px;margin-top:10px}.fc-def{font-size:1.15rem;line-height:1.4;max-width:520px}.fc-ru{font-size:1.25rem;font-weight:600;color:var(--accent-ink);margin-top:14px}.fc-hint{position:absolute;bottom:12px;font-size:12px;color:var(--muted)}.fc-known-badge{color:var(--green);font-weight:600}.fc-qprompt{text-align:center;padding:22px 10px 16px}.fc-qlabel{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.fc-qtext{font-size:1.7rem;font-weight:700;margin-top:8px;line-height:1.25}.fc-qtext.small{font-size:1.1rem;font-weight:500}.fc-feedback{min-height:40px;text-align:center;margin:14px 0 4px;font-size:14px}.fc-result{text-align:center;padding:16px 0}.fc-result .big{font-size:2.6rem;font-weight:800;color:var(--accent-ink)}.btns{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;margin-top:14px}.btns+.btns{margin-top:10px}@media (max-width: 600px){.fc-word{font-size:1.7rem}.fc-card{height:280px}}.sp-page{display:flex;flex-direction:column;gap:14px;padding:0 20px 40px;max-width:860px;margin:0 auto;width:100%}.sp-parts{display:flex;flex-wrap:wrap;gap:8px}.sp-nav{display:flex;align-items:center;gap:8px}.sp-select{flex:1;min-width:0}.sp-count{font-size:12px;white-space:nowrap}.sp-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 22px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow)}.sp-kicker{font-size:11px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--accent-ink)}.sp-title{font-size:22px;font-weight:700;line-height:1.25}.sp-cue{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 16px}.sp-cue-task{font-weight:600;font-size:16px;margin-bottom:8px}.sp-cue ul{margin:0 0 8px;padding-left:20px}.sp-rubric{font-size:13px}.sp-prep{display:flex;flex-direction:column;gap:6px}.sp-prep-row{font-size:14px;line-height:1.5}.sp-prep-row b{color:var(--accent-ink);margin-right:6px}.sp-blurb{color:var(--muted);font-style:italic;line-height:1.5}.sp-cards{display:flex;flex-direction:column;gap:8px}.sp-mcard{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 12px}.sp-mcard-q{font-weight:600;display:flex;gap:8px;align-items:baseline}.sp-mcard-note{font-size:12.5px;margin-top:4px}.sp-questions{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:12px}.sp-question{line-height:1.5}.sp-q{font-weight:600;font-size:15.5px}.sp-answers{display:flex;flex-direction:column;gap:10px;margin-top:10px}.sp-answer{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:8px}.sp-answer-tag{font-size:12px;font-weight:700;color:var(--accent2, var(--accent))}.sp-answer-body p{margin:0 0 8px;font-family:Georgia,serif;line-height:1.6;font-size:15px}.sp-gr{background:var(--green-soft);border-radius:4px;padding:0 2px}.sp-lx{font-weight:700;background:var(--orange-soft);border-radius:4px;padding:0 2px}.sp-grammar{display:flex;flex-wrap:wrap;gap:6px}.sp-chip{font-size:11.5px;background:var(--accent-soft);color:var(--text);border-radius:999px;padding:3px 10px}.sp-note{font-size:13px;line-height:1.5}.sp-recorder{border-top:1px dashed var(--border);padding-top:14px;display:flex;flex-direction:column;gap:10px}.sp-rec-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.sp-rec-row{display:flex;align-items:center;gap:10px}.sp-dot{width:10px;height:10px;border-radius:50%;background:var(--red);animation:spPulse 1s ease-in-out infinite}.sp-time{font-variant-numeric:tabular-nums;font-weight:700;font-size:18px;min-width:64px}@keyframes spPulse{50%{opacity:.35}}@media (max-width: 800px){.sp-page{padding:0 12px 40px}.sp-card{padding:16px}}.sx-setup{gap:14px}.sx-row{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end}.sx-label{font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--muted)}.sx-how{font-size:14px;line-height:1.5;color:var(--muted);margin:0}.sx-time-field{min-width:130px}.sx-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.sx-spacer{flex:1;min-width:4px}.sx-phase{font-weight:700}.sx-zoom{display:inline-flex;align-items:center;gap:4px}.sx-zoom-val{font-size:12px;min-width:38px;text-align:center}.sx-time{font-variant-numeric:tabular-nums;font-size:22px;font-weight:800;color:var(--accent-ink);min-width:76px;text-align:center}.sx-time.idle{opacity:.7}.sx-time.low,.sx-time.over{color:var(--red)}.sx-bar{height:6px;border-radius:999px;background:var(--panel);overflow:hidden}.sx-bar-fill{height:100%;width:100%;transform-origin:left center;background:var(--accent);transition:transform .2s linear,background .3s}.sx-bar-fill.low{background:var(--red)}.sx-reel{border:1px dashed var(--line);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:6px;min-height:84px;justify-content:center}.sx-reel-text{font-size:17px;font-weight:700;line-height:1.3}.sx-reel.landed .sx-reel-text{animation:sxIn .5s ease both}@keyframes sxIn{0%{opacity:.5;transform:translateY(6px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion: reduce){.sx-reel.landed .sx-reel-text{animation:none}}.sx-cur{font-size:18px;font-weight:700;line-height:1.4}.sx-q{font-weight:600;font-size:15.5px;line-height:1.45}.sx-qlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.sx-q-row{width:100%;display:flex;gap:10px;align-items:flex-start;text-align:left;padding:10px 12px;border-radius:10px;background:var(--panel);border:1px solid var(--line);color:inherit;cursor:pointer;font:inherit}.sx-q-row.cur{border-color:var(--accent)}.sx-q-row .n{font-size:11px;font-weight:800;color:var(--accent-ink);min-width:30px;padding-top:2px}.sx-q-row .t{flex:1;font-size:14.5px;line-height:1.4}.sx-q-row .ck{color:var(--green);flex:0 0 auto;margin-top:2px}.sx-prep{display:flex;flex-direction:column;gap:6px}.sx-actions{display:flex;flex-wrap:wrap;gap:8px}.sx-notes{width:100%;min-height:90px;resize:vertical;font-family:Georgia,serif;font-size:15px;line-height:1.5;border-radius:10px;padding:10px 12px;background:var(--panel);color:var(--text);border:1px solid var(--line)}.sx-review-block{border-top:1px dashed var(--line);padding-top:12px;display:flex;flex-direction:column;gap:10px}.sx-review-title{font-size:18px}.sx-review-row{border-radius:12px;background:var(--panel);border:1px solid var(--line);padding:10px 12px;display:flex;flex-direction:column;gap:8px}.sx-note-view{font-size:14px;line-height:1.5;white-space:pre-wrap}.mk{display:flex;flex-direction:column;gap:6px}.mk-bar{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.mk-sw{width:22px;height:22px;border-radius:50%;border:1px solid var(--line);padding:0;cursor:pointer}.mk-btn{display:inline-flex;align-items:center;gap:4px;height:26px;padding:0 9px;font-size:12px;border-radius:8px;background:var(--card);color:var(--text);border:1px solid var(--line);cursor:pointer}.mk-btn:disabled{opacity:.45;cursor:default}.mk-body mark{color:#14161b;border-radius:3px;padding:0 1px}.vb-list,.vb-topic{gap:14px}.vb-rows{display:flex;flex-direction:column;gap:8px}.vb-row{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;background:var(--panel);border:1px solid var(--line);color:inherit;text-align:left;cursor:pointer;font:inherit}.vb-row:hover{background:var(--card)}.vb-row-badge{flex:0 0 auto;font-size:11px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:var(--accent-ink);white-space:nowrap}.vb-row-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.vb-row-title{font-weight:700;font-size:15px}.vb-row-sub{font-size:12.5px}.vb-row-stat{flex:0 0 auto;font-size:12px;white-space:nowrap;text-align:right}@media (max-width: 620px){.vb-row{flex-wrap:wrap}.vb-row-stat{flex-basis:100%;text-align:left}}.vb-words{display:flex;flex-direction:column;gap:10px}.vb-word{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:6px}.vb-word-head{display:flex;align-items:center;gap:8px}.vb-word-n{font-size:12px;font-weight:800;color:var(--accent-ink);min-width:22px}.vb-word-head h3{font-size:16px;flex:1}.vb-word-d{font-size:14px;line-height:1.5}.vb-word-tr{display:flex;gap:14px;flex-wrap:wrap;font-size:13px}.vb-word-tr b{color:var(--accent-ink);margin-right:4px}.vb-sentence{font-family:Georgia,serif;font-size:14.5px;line-height:1.55}.vb-sentence mark{background:var(--orange-soft);color:inherit;border-radius:3px;padding:0 2px}.vb-blank{display:inline-block;border-bottom:2px dotted var(--muted);min-width:60px;text-align:center}.vb-cards-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}.vb-chk{display:inline-flex;align-items:center;gap:6px;font-size:13px}.vb-flashcard{position:relative;min-height:220px;border-radius:16px;background:var(--panel);border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:10px;padding:24px 18px;cursor:pointer}.vb-known{position:absolute;top:12px;right:12px}.vb-side{font-size:11px;font-weight:800;letter-spacing:1px;color:var(--accent-ink)}.vb-big{font-size:24px;font-weight:700;line-height:1.3}.vb-def{font-size:17px;font-weight:600;line-height:1.4;max-width:46ch}.vb-hint{font-size:12.5px}.vb-flip-empty{text-align:center;padding:30px 10px}.vb-cards-ctl{display:flex;gap:8px;justify-content:center;margin-top:12px;flex-wrap:wrap}.vb-quiz-list{display:flex;flex-direction:column;gap:10px}.vb-quiz-item{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 14px}.vb-quiz-item.pass{border-color:var(--green)}.vb-quiz-num{flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--card);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;color:var(--green)}.vb-quiz-mid{flex:1;min-width:0}.vb-quiz-mid h3{font-size:14.5px}.vb-quiz-mid p{font-size:12.5px}.vb-quiz-result{text-align:center;padding:28px 16px;border-radius:14px;background:var(--panel);border:1px solid var(--line)}.vb-quiz-result.ok{border-color:var(--green)}.vb-quiz-score{font-size:38px;font-weight:800}.vb-quiz-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;margin:10px 0}.vb-quiz-prompt{font-size:18px;font-weight:700;line-height:1.4;margin-top:6px}.vb-opts{display:flex;flex-direction:column;gap:8px;margin-top:14px}.vb-opt{display:flex;align-items:center;gap:10px;text-align:left;padding:10px 12px;border-radius:10px;background:var(--card);border:1px solid var(--line);color:inherit;cursor:pointer;font:inherit;font-size:14px}.vb-opt kbd{font-size:11px;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:1px 6px}.vb-opt.ok{border-color:var(--green);background:var(--green-soft)}.vb-opt.bad{border-color:var(--red);background:var(--red-soft)}.vb-feedback{margin-top:12px;font-size:13.5px;padding:10px 12px;border-radius:10px;background:var(--card)}.vb-feedback.ok{color:var(--green)}.vb-feedback.bad{color:var(--red)}.vb-lock{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;padding:34px 16px;color:var(--muted)}.vb-lock h3{color:var(--text);font-size:16px}.vb-match{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}.vb-match-col{display:flex;flex-direction:column;gap:8px}.vb-mbtn{text-align:left;padding:10px 12px;border-radius:10px;background:var(--panel);border:1px solid var(--line);color:inherit;cursor:pointer;font:inherit;font-size:13.5px;line-height:1.4}.vb-mbtn.sel{border-color:var(--accent);background:var(--accent-soft)}.vb-mbtn.wrong{border-color:var(--red)}.vb-mbtn.done{border-color:var(--green);opacity:.55}.vb-gaps{list-style:none;margin:10px 0;padding:0;display:flex;flex-direction:column;gap:8px}.vb-gap-row{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-family:Georgia,serif;font-size:14.5px;line-height:1.6}.vb-blank-btn{display:inline-flex;margin:0 4px;padding:2px 10px;border-radius:8px;background:var(--card);border:1px dashed var(--muted);color:inherit;cursor:pointer;font:inherit;font-size:13.5px}.vb-blank-btn.filled{border-style:solid;border-color:var(--accent)}.vb-blank-btn.active{outline:2px solid var(--accent)}.vb-blank-btn.ok{border-color:var(--green);border-style:solid}.vb-blank-btn.bad{border-color:var(--red);border-style:solid}.vb-fix{margin-left:6px;font-size:12px;color:var(--green);font-family:system-ui,sans-serif}.vb-bank{margin-top:12px}.vb-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.vb-chip-btn,.vb-tile{padding:6px 12px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:inherit;cursor:pointer;font:inherit;font-size:13px}.vb-chip-btn.used,.vb-tile.used{opacity:.35;cursor:default}.vb-slots{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0;min-height:40px}.vb-slots.ok{outline:2px solid var(--green);border-radius:10px;padding:6px}.vb-slots.bad{outline:2px solid var(--red);border-radius:10px;padding:6px}.vb-slot-empty{display:inline-block;width:54px;height:32px;border-radius:8px;border:1px dashed var(--line)}.vb-ask-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px;margin:10px 0;display:flex;flex-direction:column;gap:8px}.vb-ask-q{font-weight:600;font-size:15.5px;line-height:1.45}