@import "https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&family=Montserrat:wght@600;700;800&display=swap";:root{--vu-blue-50:#f1f8fb;--vu-blue-100:#deeef6;--vu-blue-200:#b9dbea;--vu-blue-300:#86c1d7;--vu-blue-400:#4ca0bf;--vu-blue-500:#177fa5;--vu-blue-600:#00668b;--vu-blue-700:#025379;--vu-blue-800:#004363;--vu-blue-900:#002d45;--vu-red-50:#fff2f1;--vu-red-100:#fee1de;--vu-red-500:#d73e26;--vu-red-700:#c42c00;--vu-red-800:#9c1f00;--vu-neutral-0:#fff;--vu-neutral-50:#f8f9fa;--vu-neutral-100:#f4f4f4;--vu-neutral-200:#eeeeef;--vu-neutral-300:#d9d9d9;--vu-neutral-400:#a3a3a3;--vu-neutral-500:#848484;--vu-neutral-600:#666;--vu-neutral-700:#4a4a4a;--vu-neutral-800:#2e2e2e;--vu-neutral-900:#171717;--vu-green-50:#effaf3;--vu-green-700:#0e623a;--vu-amber-50:#fff8e8;--vu-amber-700:#874e00;--vu-live-footer:#003048;--vu-live-green:#43d39c;--vu-live-green-bright:#62e2b3;--vu-live-green-pale:#d6f8e9;--vu-live-green-soft:#8ee5c5;--vu-live-blue-label:#a3d3e5;--vu-live-blue-label-strong:#a9d7e8;--vu-live-blue-copy:#c3dbe6;--vu-footer-copy:#d3e3eb;--vu-amber-dark-surface:#3d2c19;--vu-amber-light:#f0b85e;--vu-alpha-white-7:#ffffff12;--vu-alpha-white-8:#ffffff14;--vu-alpha-white-10:#ffffff18;--vu-alpha-white-11:#ffffff1a;--vu-alpha-white-15:#ffffff25;--vu-alpha-white-19:#ffffff30;--vu-alpha-white-21:#ffffff35;--vu-live-green-alpha:#43d39c25;--vu-live-green-transparent:#43d39c00;--vu-live-glow:#3c91b280;--vu-shadow-header:#0a354a0a;--vu-shadow-card:#0f39500a;--vu-shadow-stage:#00425e25;--vu-shadow-drawer:#1018203d;--vu-font-brand:Montserrat, 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#002d451f;--vu-text-primary:var(--vu-neutral-800);--vu-text-secondary:var(--vu-neutral-600);--vu-text-muted:var(--vu-neutral-500);--vu-text-inverse:var(--vu-neutral-0);--vu-surface-canvas:var(--vu-neutral-0);--vu-surface-subtle:var(--vu-neutral-100);--vu-surface-card:var(--vu-neutral-0);--vu-surface-brand:var(--vu-blue-700);--vu-surface-brand-hover:var(--vu-blue-800);--vu-border-subtle:var(--vu-neutral-200);--vu-border-default:var(--vu-neutral-300);--vu-persona-inquisitive-ink:var(--vu-amber-700);--vu-persona-inquisitive-soft:var(--vu-amber-50);--vu-persona-deep-thinker-ink:#5b3fa6;--vu-persona-deep-thinker-soft:#f3effc;--vu-persona-note-taker-ink:#0b6b73;--vu-persona-note-taker-soft:#e8f6f6;--vu-persona-clown-ink:#a3244f;--vu-persona-clown-soft:#fdeef3;--vu-persona-assistant-ink:var(--vu-green-700);--vu-persona-assistant-soft:var(--vu-green-50)}.theme-dark{--vu-text-primary:var(--vu-neutral-0);--vu-text-secondary:var(--vu-neutral-300);--vu-text-muted:var(--vu-neutral-400);--vu-surface-canvas:var(--vu-neutral-900);--vu-surface-subtle:#22262a;--vu-surface-card:#25292d;--vu-surface-brand:var(--vu-blue-500);--vu-surface-brand-hover:var(--vu-blue-400);--vu-border-subtle:#34393e;--vu-border-default:#4a5158;--vu-persona-inquisitive-ink:var(--vu-amber-light);--vu-persona-inquisitive-soft:var(--vu-amber-dark-surface);--vu-persona-deep-thinker-ink:#c4b2f6;--vu-persona-deep-thinker-soft:#2d2640;--vu-persona-note-taker-ink:#7fd4d7;--vu-persona-note-taker-soft:#16343a;--vu-persona-clown-ink:#f29bb9;--vu-persona-clown-soft:#3d1e2a;--vu-persona-assistant-ink:#6fd3a0;--vu-persona-assistant-soft:#173528}:root{font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Be Vietnam Pro,Segoe UI,sans-serif}html,body,#root{min-height:100%;margin:0}html,body{overscroll-behavior-y:none}body{min-width:320px}*{box-sizing:border-box}button,input{font:inherit}button{color:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.58}button:focus-visible{outline:3px solid color-mix(in srgb, var(--vu-blue-500) 45%, transparent);outline-offset:2px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.app{--navy:var(--vu-blue-700);--navy-dark:var(--vu-blue-900);--red:var(--vu-red-700);--red-dark:var(--vu-red-800);--blue:var(--vu-blue-600);--bg:var(--vu-neutral-50);--surface:var(--vu-surface-card);--surface-soft:var(--vu-surface-subtle);--text:var(--vu-text-primary);--muted:var(--vu-text-secondary);--border:var(--vu-border-subtle);--ice:var(--vu-blue-50);--success:var(--vu-green-700);min-height:100dvh;color:var(--text);background:var(--bg);transition:color .2s,background .2s;overflow:clip}.theme-dark{--bg:var(--vu-surface-canvas);--surface:var(--vu-surface-card);--surface-soft:var(--vu-surface-subtle);--text:var(--vu-text-primary);--muted:var(--vu-text-secondary);--border:var(--vu-border-subtle);--ice:var(--vu-blue-900);--navy:var(--vu-blue-300);--navy-dark:var(--vu-blue-200);--red:var(--vu-red-500);--red-dark:var(--vu-red-700);--success:var(--vu-green-700)}.site-header{z-index:50;background:var(--surface);border-bottom:1px solid var(--border);height:76px;box-shadow:0 2px 8px var(--vu-shadow-header);position:sticky;top:0}.header-inner{align-items:stretch;gap:36px;max-width:none;height:100%;margin:auto;padding:0 30px;display:flex}.header-start{flex:none;align-items:center;gap:14px;display:flex}.header-brand{color:var(--navy);font-family:var(--vu-font-brand);font-size:var(--vu-text-xl);font-weight:800;text-decoration:none}.guide-toggle{width:42px;height:42px;color:var(--text);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;display:grid}.guide-toggle:hover{background:var(--surface-soft)}.header-actions{align-items:center;gap:9px;margin-left:auto;display:flex;position:relative}.mode-toggle-button{min-height:40px;color:var(--navy);background:color-mix(in srgb, var(--ice) 70%, var(--surface));border:1px solid var(--vu-blue-200);font-size:var(--vu-text-xs);white-space:nowrap;border-radius:8px;align-items:center;gap:8px;padding:0 12px;font-weight:800;display:inline-flex}.mode-toggle-button:hover{color:#fff;background:var(--navy);border-color:var(--navy)}.utility-button{width:40px;height:40px;color:var(--muted);background:var(--surface-soft);border:1px solid var(--border);cursor:pointer;border-radius:8px;place-items:center;display:grid;position:relative}.utility-button:hover{color:var(--navy);border-color:var(--navy)}.utility-button i{background:var(--red);border:2px solid var(--surface);border-radius:50%;width:6px;height:6px;position:absolute;top:8px;right:8px}.account-button{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:22px;align-items:center;gap:8px;height:42px;padding:0 12px 0 5px;display:flex}.account-button>span{color:#fff;background:var(--navy);border-radius:50%;place-items:center;width:31px;height:31px;font-size:10px;font-weight:800;display:grid}.account-button small{text-overflow:ellipsis;white-space:nowrap;max-width:90px;color:var(--text);font-size:12px;font-weight:700;overflow:hidden}.header-popover{z-index:80;width:min(330px,100vw - 30px);color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--vu-radius-lg);box-shadow:var(--vu-shadow-md);padding:14px;position:absolute;top:calc(100% + 12px);right:0}.header-popover>div{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding-bottom:10px;display:flex}.header-popover h2{color:var(--navy-dark);font:700 var(--vu-text-sm)/1.3 var(--vu-font-brand);margin:0}.header-popover>div button{width:30px;height:30px;color:var(--muted);background:var(--surface-soft);border-radius:var(--vu-radius-md);cursor:pointer;border:0;place-items:center;display:grid}.header-popover p{border-bottom:1px solid var(--border);margin:0;padding:11px 2px}.header-popover p:last-child{border-bottom:0;padding-bottom:2px}.header-popover p strong,.header-popover p span{display:block}.header-popover p strong{font-size:var(--vu-text-xs)}.header-popover p span{color:var(--muted);font-size:var(--vu-text-2xs);margin-top:3px}.account-popover{right:0}.drawer-backdrop{z-index:69;background:color-mix(in srgb, var(--vu-blue-900) 56%, transparent);cursor:default;border:0;width:100%;height:100%;padding:0;position:fixed;inset:0}.app{--vu-guide-width:248px;--vu-guide-mini-width:76px}.site-guide{top:var(--vu-header-height);z-index:40;width:var(--vu-guide-width);overscroll-behavior:contain;background:var(--surface);border-right:1px solid var(--border);padding:10px 0 24px;position:fixed;bottom:0;left:0;overflow-y:auto}.site-guide.is-mini{width:var(--vu-guide-mini-width);padding-top:6px}.site-guide.is-overlay{z-index:70;visibility:hidden;width:min(320px,88vw);box-shadow:20px 0 50px var(--vu-shadow-drawer);padding-top:0;transition:transform .25s,visibility .25s;top:0;transform:translate(-105%)}.site-guide.is-overlay.is-open{visibility:visible;transform:translate(0)}.app.guide-full>main{margin-left:var(--vu-guide-width)}.app.guide-mini>main{margin-left:var(--vu-guide-mini-width)}.guide-head{height:var(--vu-header-height);border-bottom:1px solid var(--border);align-items:center;gap:14px;padding:0 16px;display:flex}.guide-nav,.guide-section{gap:2px;padding:8px 0;display:grid}.guide-link{min-height:44px;color:var(--text);font-size:var(--vu-text-sm);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:10px;align-items:center;gap:20px;margin:0 10px;padding:0 14px;font-weight:500;display:flex}.guide-link svg{color:var(--muted);flex:none}.guide-link:hover{background:var(--surface-soft)}.guide-link.active{color:var(--navy-dark);background:color-mix(in srgb, var(--ice) 80%, var(--surface));font-weight:700}.guide-link.active svg{color:var(--red)}.guide-link:focus-visible{outline:2px solid var(--navy);outline-offset:-2px}.site-guide.is-mini .guide-link{text-align:center;flex-direction:column;justify-content:center;gap:6px;min-height:0;margin:0 4px;padding:14px 0 12px;font-size:10px}.guide-section,.guide-lessons:not(:empty){border-top:1px solid var(--border);margin-top:8px}.guide-section-title{color:var(--text);font:700 var(--vu-text-sm)/1.3 var(--vu-font-brand);margin:0;padding:12px 24px 6px}.site-guide.is-mini .guide-lessons{display:none}.site-guide .lesson-rail{height:auto;box-shadow:none;background:0 0;border:0;border-radius:0;position:static}.site-guide .rail-title{border-bottom:0;min-height:0;padding:14px 24px 4px}.site-guide .rail-title-copy strong{font-size:var(--vu-text-sm)}.site-guide .lesson-list{overflow:visible}.live-banner{color:#fff;background:linear-gradient(105deg, var(--vu-blue-900), var(--vu-blue-700) 58%, var(--vu-blue-600));border-bottom:3px solid var(--red);justify-content:space-between;align-items:center;gap:18px;min-height:66px;padding:12px max(30px,50vw - 710px);display:flex}.live-banner>div{align-items:center;gap:12px;display:flex}.live-icon{color:#fff;background:var(--vu-alpha-white-10);border:1px solid var(--vu-alpha-white-19);border-radius:9px;place-items:center;width:38px;height:38px;display:grid}.live-banner small,.live-banner strong{display:block}.live-banner small{color:var(--vu-live-blue-label);font-family:var(--vu-font-brand);letter-spacing:0;font-size:10px;font-weight:800}.live-banner strong{margin-top:3px;font-size:14px}.sync-pill{color:var(--vu-live-green-pale);background:var(--vu-alpha-white-7);border:1px solid var(--vu-alpha-white-15);border-radius:999px;align-items:center;gap:8px;padding:7px 11px;font-size:10px;font-weight:700;display:flex}.sync-pill i{background:var(--vu-live-green);width:7px;height:7px;box-shadow:0 0 0 4px var(--vu-live-green-alpha);border-radius:50%;animation:1.6s infinite live-pulse}.live-statuses{align-items:center;gap:8px;display:flex}.resume-pill{color:var(--vu-blue-100);background:var(--vu-alpha-white-7);border:1px solid var(--vu-alpha-white-15);border-radius:var(--vu-radius-pill);font-size:var(--vu-text-2xs);align-items:center;gap:6px;padding:7px 10px;font-weight:700;display:flex}@keyframes live-pulse{50%{box-shadow:0 0 0 7px var(--vu-live-green-transparent)}}.interface-mobile-feed{background:radial-gradient(circle at 50% 0, color-mix(in srgb, var(--vu-blue-700) 28%, transparent), transparent 34%), linear-gradient(180deg, color-mix(in srgb, var(--vu-blue-900) 94%, black), #050814 58%), var(--vu-blue-900);overflow:hidden}.interface-mobile-feed main{place-items:center;min-height:100dvh;display:grid}.mobile-feed{color:#fff;background:#050814;width:min(100vw,430px);height:100dvh;max-height:940px;position:relative;overflow:hidden;box-shadow:0 0 0 1px #ffffff14,0 30px 90px #00000075}.mobile-feed-topbar{z-index:30;min-height:58px;padding:max(10px, env(safe-area-inset-top)) 12px 8px;pointer-events:none;background:linear-gradient(#050814c2,#05081400);grid-template-columns:44px minmax(0,1fr) auto;align-items:center;gap:8px;display:grid;position:absolute;top:0;left:0;right:0}.mobile-feed-search-button{color:#fff;filter:drop-shadow(0 4px 12px #0000007a);pointer-events:auto;background:0 0;border:0;place-items:center;width:38px;height:38px;display:grid}.mobile-feed-tabs{color:#ffffffa3;text-shadow:0 3px 12px #00000085;justify-self:center;align-items:center;gap:16px;font-size:15px;font-weight:800;display:inline-flex}.mobile-feed-tabs strong{color:#fff;position:relative}.mobile-feed-tabs strong:after{content:"";background:#fff;border-radius:999px;width:24px;height:3px;position:absolute;bottom:-8px;left:50%;transform:translate(-50%)}.mobile-feed-searchbar{z-index:28;opacity:.88;position:absolute;top:58px;left:14px;right:14px}.mobile-feed-search{color:#ffffffd1;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);pointer-events:auto;background:#ffffff1a;border:1px solid #ffffff24;border-radius:999px;align-items:center;gap:7px;min-width:0;height:32px;padding:0 10px;display:flex}.mobile-feed-search input{color:#fff;width:100%;min-width:0;font-size:var(--vu-text-xs);background:0 0;border:0;outline:0}.mobile-feed-search input::placeholder{color:#ffffff9e}.mobile-feed-desktop-button{color:#fff;min-height:34px;font-size:var(--vu-text-2xs);white-space:nowrap;box-shadow:0 10px 24px color-mix(in srgb, var(--red) 26%, transparent);pointer-events:auto;background:#c42c00eb;border:1px solid #ffffff29;border-radius:999px;align-items:center;gap:6px;padding:0 10px;font-weight:800;display:inline-flex}.mobile-feed-track{scroll-snap-type:y mandatory;overscroll-behavior-y:contain;scrollbar-width:none;height:100%;overflow-y:auto}.mobile-feed-track::-webkit-scrollbar{display:none}.mobile-feed-card,.mobile-feed-empty{scroll-snap-align:start;background:radial-gradient(circle at 50% 24%,#ffffff14,#0000 30%),linear-gradient(#071229,#050814 72%);min-height:100%;position:relative;overflow:hidden}.mobile-feed-video{object-fit:contain;background:#050814;width:100%;height:100%;position:absolute;inset:0}.mobile-feed-shade{pointer-events:none;background:linear-gradient(90deg,#05081438,#0000 36%),linear-gradient(#0000 52%,#050814e6),linear-gradient(#05081485,#0000 20%);position:absolute;inset:0}.mobile-feed-copy{left:16px;right:92px;bottom:max(34px, env(safe-area-inset-bottom));z-index:2;text-shadow:0 2px 16px #0000006b;gap:7px;display:grid;position:absolute}.mobile-feed-kicker{color:#ffffffe0;text-transform:uppercase;font-size:11px;font-weight:900}.mobile-feed-copy h1{font:800 16px/1.12 var(--vu-font-brand);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;display:-webkit-box;overflow:hidden}.mobile-feed-copy p{color:#ffffffc7;-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:13px;line-height:1.42;display:-webkit-box;overflow:hidden}.mobile-feed-copy p strong{color:#fff}.mobile-feed-tags{flex-wrap:wrap;gap:6px;display:flex}.mobile-feed-tags span{color:#fff;background:#ffffff1f;border:1px solid #ffffff26;border-radius:999px;padding:4px 7px;font-size:10px;font-weight:800}.mobile-feed-comment-preview{color:#fff;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);text-align:left;background:#ffffff1a;border:1px solid #ffffff21;border-radius:999px;align-items:center;gap:6px;width:min(100%,280px);min-height:34px;margin-top:2px;padding:7px 10px;display:flex}.mobile-feed-comment-preview strong{flex:none;font-size:11px}.mobile-feed-comment-preview span{color:#ffffffc7;text-overflow:ellipsis;white-space:nowrap;min-width:0;font-size:11px;overflow:hidden}.mobile-feed-actions{right:12px;bottom:max(34px, env(safe-area-inset-bottom));z-index:3;justify-items:center;gap:14px;display:grid;position:absolute}.mobile-feed-actions button{color:#fff;filter:drop-shadow(0 4px 12px #0000008f);background:0 0;border:0;border-radius:999px;align-content:center;justify-items:center;gap:4px;width:54px;min-height:50px;padding:0;display:grid}.mobile-feed-actions button:hover,.mobile-feed-actions .is-liked{color:#fff}.mobile-feed-actions svg{filter:none;-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border:0;border-radius:0;width:34px;height:34px;padding:0}.mobile-feed-actions .is-liked svg{color:var(--red)}.mobile-feed-actions .is-saved svg{color:var(--vu-amber-light)}.mobile-feed-actions span{text-overflow:ellipsis;white-space:nowrap;max-width:52px;font-size:10px;font-weight:800;overflow:hidden}.mobile-feed-profile{margin-bottom:4px}.mobile-feed-profile>span{color:#fff;background:linear-gradient(135deg, var(--vu-blue-700), var(--vu-red-700));width:42px;height:42px;font:900 20px/1 var(--vu-font-brand);border:2px solid #fff;border-radius:999px;place-items:center;display:grid;box-shadow:0 8px 20px #00000061}.mobile-feed-disc{margin-top:2px;min-height:48px!important}.mobile-feed-disc svg{color:#fff;background:radial-gradient(circle, #fff3 0 16%, transparent 17%), conic-gradient(from 40deg, var(--vu-blue-700), var(--vu-red-700), var(--vu-blue-900), var(--vu-blue-700));border-radius:999px;width:38px;height:38px;padding:9px;animation:4.5s linear infinite feed-disc-spin}.mobile-feed-sound-pill{z-index:5;color:#fff;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#050814ad;border:1px solid #ffffff29;border-radius:999px;align-items:center;gap:7px;min-height:34px;padding:0 12px;font-size:12px;font-weight:900;display:inline-flex;position:absolute;top:106px;left:50%;transform:translate(-50%)}.mobile-feed-sheet{z-index:40;max-height:min(62%,520px);padding:8px 14px max(12px, env(safe-area-inset-bottom));color:var(--text);background:color-mix(in srgb, var(--surface) 96%, white);border-top:1px solid color-mix(in srgb, var(--border) 80%, transparent);border-radius:18px 18px 0 0;grid-template-rows:auto auto minmax(0,1fr) auto;gap:8px;animation:.16s ease-out mobile-sheet-rise;display:grid;position:absolute;bottom:0;left:0;right:0;box-shadow:0 -22px 48px #0000007a}.theme-dark .mobile-feed-sheet{background:color-mix(in srgb, var(--surface) 94%, black)}.mobile-feed-sheet-handle{background:color-mix(in srgb, var(--muted) 28%, transparent);border-radius:999px;justify-self:center;width:42px;height:4px}.mobile-feed-comments-head{min-height:36px;color:var(--text);justify-content:center;align-items:center;display:flex;position:relative}.mobile-feed-comments-head strong{font-size:15px;font-weight:900}.mobile-feed-comments-head button{width:32px;height:32px;color:var(--text);background:0 0;border:0;border-radius:999px;place-items:center;display:grid;position:absolute;right:0}.mobile-feed-comment-list{scrollbar-width:none;align-content:start;gap:14px;min-height:0;padding:8px 2px 10px;display:grid;overflow-y:auto}.mobile-feed-comment-list::-webkit-scrollbar{display:none}.mobile-feed-comment-row{grid-template-columns:38px minmax(0,1fr) 34px;align-items:start;gap:10px;margin:0;display:grid}.mobile-feed-comment-avatar{color:#fff;background:linear-gradient(135deg, var(--vu-blue-700), 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var(--vu-border-subtle);border-radius:var(--vu-radius-md);background:var(--vu-surface-card);overflow-x:auto}.sbx-table{border-collapse:collapse;width:100%;min-width:400px;font-size:var(--vu-text-sm)}.sbx-table th,.sbx-table td{padding:7px var(--vu-space-3);text-align:left;border-bottom:1px solid var(--vu-border-subtle)}.sbx-table th{font-family:var(--vu-font-brand);font-size:var(--vu-text-2xs);letter-spacing:.07em;text-transform:uppercase;color:var(--vu-text-secondary);background:var(--vu-surface-subtle);white-space:nowrap;font-weight:600}.sbx-table tbody tr:last-child td{border-bottom:none}.sbx-num{text-align:right;font-variant-numeric:tabular-nums}.sbx-code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}@media (width<=780px){.sbx-brief li{grid-template-columns:1fr;gap:2px}}@media (prefers-reduced-motion:reduce){.sbx-spin{animation:none}}.confirm-layer{z-index:80;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.confirm-backdrop{background:color-mix(in 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18px;font-size:12px;font-weight:800}.confirm-cancel:hover:not(:disabled){background:var(--vu-neutral-50)}@keyframes confirm-pop{0%{opacity:0;transform:translateY(8px)scale(.98)}to{opacity:1;transform:none}}@keyframes confirm-fade{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.confirm-dialog,.confirm-backdrop{animation:none}}@media (width<=480px){.confirm-actions{grid-template-columns:1fr 1fr;display:grid}.confirm-actions .primary-button,.confirm-actions .confirm-cancel{width:100%;min-width:0}}.fb-layout{grid-template-columns:1.6fr 1fr;align-items:start;gap:20px;display:grid}.fb-card{gap:22px;padding:26px 28px 28px;display:grid}.fb-days{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;display:grid}.fb-day{text-align:left;font:inherit;color:var(--navy);background:var(--vu-surface-subtle);border:1.5px solid var(--border);border-radius:var(--vu-radius-md);cursor:pointer;gap:4px;padding:12px 14px;transition:border-color .15s,background 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strong{color:var(--navy);font-size:var(--vu-text-md)}.fb-row-copy small{color:var(--vu-text-secondary);font-size:var(--vu-text-xs)}.fb-stars{gap:2px;display:flex}.fb-star{width:44px;height:44px;color:var(--vu-neutral-300);border-radius:var(--vu-radius-md);cursor:pointer;background:0 0;border:0;place-items:center;transition:color .12s,transform .12s;display:grid}.fb-star svg{fill:#0000;transition:fill .12s}.fb-star.on{color:var(--vu-amber-700)}.fb-star.on svg{fill:var(--vu-amber-700)}.fb-star:hover{transform:scale(1.12)}.fb-star:focus-visible{outline:2px solid var(--vu-blue-700);outline-offset:2px}.fb-word{font-size:var(--vu-text-sm);color:var(--vu-text-muted);white-space:nowrap}.fb-word.on{color:var(--navy);font-weight:600}.fb-comment{gap:8px;display:grid}.fb-comment label{color:var(--navy);font-weight:600;font-size:var(--vu-text-sm);align-items:center;gap:6px;display:inline-flex}.fb-comment label em{color:var(--vu-text-muted);font-style:normal;font-weight:400}.fb-comment 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14px}.fb-side-list{margin:0;padding:0;list-style:none;display:grid}.fb-side-list li{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:10px;padding:10px 0;display:flex}.fb-side-list li.closed{color:var(--vu-text-muted)}.fb-side-day{font-weight:600}.fb-side-note{font-size:var(--vu-text-sm);color:var(--vu-text-muted)}.fb-side-stars{gap:6px;display:inline-flex}.fb-side-stars b{text-align:center;min-width:28px;font-size:var(--vu-text-sm);color:var(--vu-blue-700);background:var(--vu-blue-50);border-radius:var(--vu-radius-sm);padding:2px 0}@media (width<=900px){.fb-layout{grid-template-columns:1fr}}@media (width<=560px){.fb-card{padding:18px}.fb-row{grid-template-columns:1fr;gap:6px}.fb-word{padding-left:6px}}.feedback-panel{gap:var(--vu-space-4);padding:var(--vu-space-5);background:var(--vu-surface-card);border:1px solid var(--vu-border-subtle);border-radius:var(--vu-radius-lg);box-shadow:0 5px 18px 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header{justify-content:space-between;gap:var(--vu-space-2);color:var(--vu-text-primary);display:flex}.feedback-summary header span{color:var(--vu-text-secondary);font-size:var(--vu-text-sm)}.feedback-summary-row{align-items:start;gap:var(--vu-space-2);grid-template-columns:110px 40px 1fr;display:grid}.feedback-summary-label{font-size:var(--vu-text-sm);color:var(--vu-text-secondary)}.feedback-summary-avg{font-size:var(--vu-text-lg);color:var(--vu-blue-700)}.feedback-bar{align-items:center;gap:var(--vu-space-1);font-size:var(--vu-text-2xs);color:var(--vu-text-muted);grid-template-columns:28px 1fr 24px;display:grid}.feedback-bar-track{background:var(--vu-neutral-200);border-radius:var(--vu-radius-pill);height:6px;overflow:hidden}.feedback-bar-fill{background:var(--vu-blue-700);height:100%}.table-scroll{overflow-x:auto}.feedback-table{border-collapse:collapse;width:100%;font-size:var(--vu-text-sm)}.feedback-table th,.feedback-table td{padding:var(--vu-space-2);border-bottom:1px solid var(--vu-border-subtle);text-align:left;vertical-align:top}.feedback-table th{color:var(--vu-text-secondary);font-weight:600}.feedback-comment{white-space:pre-wrap}.feedback-link{margin-left:var(--vu-space-1);font:inherit;color:var(--vu-blue-700);cursor:pointer;background:0 0;border:0;padding:0}.feedback-muted{color:var(--vu-text-muted)}.feedback-panel .feedback-status{font-size:var(--vu-text-sm);color:var(--vu-red-700);margin:0}.feedback-paging{align-items:center;gap:var(--vu-space-3);padding-top:var(--vu-space-2);font-size:var(--vu-text-sm);display:flex}.day-videos-panel{gap:var(--vu-space-4);padding:var(--vu-space-5);background:var(--vu-surface-card);border:1px solid var(--vu-border-subtle);border-radius:var(--vu-radius-lg);box-shadow:0 5px 18px var(--vu-shadow-card);color:var(--vu-text-primary);display:grid}.day-videos-days{gap:var(--vu-space-2);grid-template-columns:repeat(auto-fill,minmax(min(190px,100%),1fr));display:grid}.day-videos-days button{padding:var(--vu-space-2) var(--vu-space-3);text-align:left;font:inherit;color:var(--vu-text-primary);background:var(--vu-surface-subtle);border:1px solid var(--vu-border-subtle);border-radius:var(--vu-radius-md);cursor:pointer;gap:2px;display:grid}.day-videos-days button:hover{border-color:var(--vu-blue-300)}.day-videos-days button.active{background:var(--vu-blue-50);border-color:var(--vu-blue-500)}.day-videos-days strong{font-family:var(--vu-font-brand);font-size:var(--vu-text-sm);color:var(--vu-blue-700)}.day-videos-days span{font-size:var(--vu-text-sm);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.day-videos-days em{font-size:var(--vu-text-xs);color:var(--vu-text-muted);font-style:normal}.day-videos-error,.day-videos-notice{padding:var(--vu-space-2) 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0;width:100%;height:16px;margin:0;display:block}.qa-seek-range:disabled{cursor:not-allowed}.qa-seek-range::-webkit-slider-runnable-track{background:linear-gradient(to right, var(--qa-seek-played-color) 0 var(--qa-seek-played,0%), var(--qa-seek-watched-color) var(--qa-seek-played,0%) var(--qa-seek-watched,0%), var(--qa-seek-rest-color) var(--qa-seek-watched,0%) 100%);border-radius:2px;height:4px}.qa-seek-range::-moz-range-track{background:linear-gradient(to right, var(--qa-seek-played-color) 0 var(--qa-seek-played,0%), var(--qa-seek-watched-color) var(--qa-seek-played,0%) var(--qa-seek-watched,0%), var(--qa-seek-rest-color) var(--qa-seek-watched,0%) 100%);border-radius:2px;height:4px}.qa-seek-range::-webkit-slider-thumb{appearance:none;box-sizing:border-box;background:var(--qa-seek-played-color);border:2px solid var(--vu-neutral-0);border-radius:50%;width:14px;height:14px;margin-top:-5px;transition:transform .12s;box-shadow:0 1px 3px 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#091c3d47}.agent-profile.persona-inquisitive{--persona-ink:var(--vu-persona-inquisitive-ink);--persona-soft:var(--vu-persona-inquisitive-soft)}.agent-profile.persona-deep-thinker{--persona-ink:var(--vu-persona-deep-thinker-ink);--persona-soft:var(--vu-persona-deep-thinker-soft)}.agent-profile.persona-note-taker{--persona-ink:var(--vu-persona-note-taker-ink);--persona-soft:var(--vu-persona-note-taker-soft)}.agent-profile.persona-clown{--persona-ink:var(--vu-persona-clown-ink);--persona-soft:var(--vu-persona-clown-soft)}.agent-profile.persona-assistant{--persona-ink:var(--vu-persona-assistant-ink);--persona-soft:var(--vu-persona-assistant-soft)}.agent-profile-close{width:36px;height:36px;color:var(--muted);cursor:pointer;background:0 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h2{color:var(--persona-ink);font-family:var(--vu-font-brand);margin:0;font-size:22px;line-height:1.15}.agent-profile-tagline{color:var(--muted);margin:4px 0 0;font-size:12.5px;font-style:italic}.agent-profile-body{margin-top:16px;font-size:12.5px;line-height:1.6}.agent-profile-intro{margin:0 0 12px}.agent-profile-codes{flex-wrap:wrap;gap:6px;margin:0 0 14px;padding:0;list-style:none;display:flex}.agent-profile-codes li{color:var(--persona-ink);border:1px solid color-mix(in srgb, var(--persona-ink) 30%, var(--border));border-radius:999px;padding:3px 9px;font-size:11px;font-weight:800}.agent-profile-codes abbr{opacity:.7;text-decoration:none}.agent-profile-body section+section{margin-top:10px}.agent-profile-body h3{color:var(--text);margin:0 0 4px;font-size:12.5px;font-weight:900}.agent-profile-body section ul{margin:0;padding-left:18px}.agent-profile-body section li+li{margin-top:3px}.agent-profile-quote{color:var(--text);background:color-mix(in srgb, var(--persona-soft) 72%, var(--surface));border-left:3px solid var(--persona-ink);border-radius:3px 10px 10px 3px;margin:14px 0 0;padding:10px 14px;font-size:12.5px}.agent-profile-note{color:var(--muted);margin:12px 0 0;font-size:11px}.agent-profile-favorite-count{width:fit-content;color:var(--persona-ink);background:color-mix(in srgb, var(--persona-soft) 72%, var(--surface));border:1px solid color-mix(in srgb, var(--persona-ink) 22%, var(--border));border-radius:999px;margin:10px 0 0;padding:7px 10px;font-size:11px;font-weight:900}.agent-profile-voters{margin-top:10px}.agent-profile-voters strong{color:var(--text);margin-bottom:6px;font-size:11px;font-weight:900;display:block}.agent-profile-voters ul{flex-wrap:wrap;gap:6px;max-height:86px;margin:0;padding:0;list-style:none;display:flex;overflow-y:auto}.agent-profile-voters li{color:var(--persona-ink);background:var(--surface);border:1px solid color-mix(in srgb, var(--persona-ink) 20%, var(--border));border-radius:999px;padding:4px 8px;font-size:10.5px;font-weight:800}.agent-profile-actions{flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:16px;display:flex}.agent-profile-actions .primary-button{background:var(--persona-ink);box-shadow:0 8px 20px color-mix(in srgb, var(--persona-ink) 20%, transparent)}.agent-profile-favorite{height:44px;color:var(--persona-ink);background:color-mix(in srgb, var(--persona-soft) 65%, var(--surface));border:1px solid color-mix(in srgb, var(--persona-ink) 32%, var(--border));font:inherit;cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:7px;padding:0 14px;font-size:12px;font-weight:900;display:inline-flex}.agent-profile-favorite:hover,.agent-profile-favorite:focus-visible,.agent-profile-favorite.is-selected{color:#fff;background:var(--persona-ink);border-color:var(--persona-ink)}.agent-profile-favorite:disabled{opacity:.7;cursor:progress}@keyframes agent-profile-pop{0%{opacity:0;transform:translateY(8px)scale(.98)}to{opacity:1;transform:none}}@keyframes agent-profile-fade{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.agent-profile,.agent-profile-backdrop{animation:none}}@media (width<=480px){.agent-profile{padding:20px 16px 16px}.agent-profile-avatar{flex-basis:64px;width:64px;height:64px}.agent-profile-actions .primary-button,.agent-profile-favorite{width:100%}}.kc-mastery-mark{border:1px solid var(--border);color:var(--muted);background:var(--surface-soft);border-radius:999px;align-items:center;gap:3px;margin-top:3px;padding:1px 7px;font-size:.6875rem;font-weight:600;line-height:1.5;display:inline-flex}.kc-mastery-mark.is-vung{color:var(--success);border-color:color-mix(in srgb, var(--success) 40%, transparent);background:color-mix(in srgb, var(--success) 10%, transparent)}.kc-mastery-mark.is-can_on_lai{color:var(--red);border-color:color-mix(in srgb, var(--red) 40%, transparent);background:color-mix(in srgb, var(--red) 8%, transparent)}.reward-marks{flex-wrap:wrap;gap:4px;margin-top:3px;display:inline-flex}.reward-mark{width:20px;height:20px;color:var(--navy);background:var(--ice);border-radius:50%;place-items:center;display:inline-grid}.rail-marks{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.mastery-open-button{font:inherit;color:var(--navy);cursor:pointer;text-underline-offset:3px;background:0 0;border:0;margin-top:10px;padding:0;font-size:.8125rem;font-weight:600;text-decoration:underline}.mastery-layer{z-index:80;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.mastery-backdrop{background:color-mix(in srgb, var(--vu-blue-900) 56%, transparent);cursor:default;border:0;padding:0;position:absolute;inset:0}.mastery-panel{background:var(--surface);width:min(100%,34rem);max-height:min(80vh,44rem);color:var(--text);border-radius:14px;padding:22px 20px 20px;position:relative;overflow-y:auto;box-shadow:0 24px 60px #091c3d47}.mastery-panel-head{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:6px;display:flex}.mastery-panel-head h2{margin:0;font-size:1.125rem}.mastery-panel-head button{width:32px;height:32px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:8px;place-items:center;display:grid}.mastery-panel-note{color:var(--muted);margin:0 0 14px;font-size:.8125rem;line-height:1.5}.mastery-module{border-top:1px solid var(--border);padding:12px 0}.mastery-module-head{flex-wrap:wrap;align-items:center;gap:6px 10px;display:flex}.mastery-module-head strong{flex:12rem}.mastery-module small{color:var(--muted);margin-top:4px;display:block}.mastery-kcs{margin:8px 0 0;padding:0;list-style:none}.mastery-kcs li{border-left:2px solid var(--border);flex-wrap:wrap;align-items:center;gap:4px 10px;padding:6px 0 6px 12px;font-size:.875rem;display:flex}.mastery-kcs li>span:first-child{flex:12rem}.mastery-kc-count{color:var(--muted);font-size:.75rem}.explain-box{text-align:left;gap:8px;margin:4px 0 2px;display:grid}.explain-box textarea{width:100%;min-height:4.5rem;font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);resize:vertical;border-radius:8px;padding:8px 10px}.explain-box-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.explain-box-toggle{font:inherit;color:var(--navy);cursor:pointer;text-underline-offset:3px;background:0 0;border:0;justify-self:start;padding:0;font-size:.8125rem;font-weight:600;text-decoration:underline}.explain-box-status{color:var(--muted);font-size:.8125rem}@media (width<=640px){.mastery-panel{padding:18px 16px 16px}}