:root{--bg:#f6f7f3;--ink:#172b24;--muted:#7b877f;--green:#3f7656;--line:#e3e7df;--lime:#d7ed9b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 system-ui,-apple-system,'Segoe UI',sans-serif;display:grid;grid-template-columns:235px minmax(0,730px) 270px;justify-content:center}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #7ca969;outline-offset:3px}button{color:inherit}a{color:inherit;text-decoration:none}.sidebar{padding:42px 24px;height:100vh;position:sticky;top:0;border-right:1px solid var(--line)}.brand{font-size:43px;font-weight:850;letter-spacing:-3px}.brand i{font-size:15px;color:#8fb75e;margin-left:4px}.tagline{font-size:11px;color:var(--muted);margin:0 0 45px}.nav{display:flex;gap:14px;align-items:center;width:100%;border:0;background:none;padding:13px 15px;margin:6px 0;text-align:left;border-radius:10px;font-size:18px}.nav span{font-size:13px;font-weight:600}.nav.active{background:#e7eddc;color:#3d663d}.side-bottom{position:absolute;bottom:30px;font-size:10px;color:#73816e}.side-bottom p{font-size:10px}.live-dot{display:inline-block;width:6px;height:6px;background:#6d9e50;border-radius:50%;margin-right:5px}main{padding:30px 30px 80px;min-width:0}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.eyebrow{font-size:9px;letter-spacing:1.5px;font-weight:700;color:var(--muted)}h1{font-size:21px;letter-spacing:-.7px;margin:3px 0}.avatar{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:#e7ecdd;color:#6b7855;font-size:12px}.hero{background:#173b2e;color:white;border-radius:16px;padding:28px;position:relative;overflow:hidden;min-height:215px}.pill{font-size:8px;letter-spacing:1.4px;color:#c3d6b3}h2{font-size:32px;line-height:1.22;letter-spacing:-1px;margin:17px 0}h2 em{font-style:normal;color:var(--lime)}.hero p{font-size:11px;color:#b6c8b8;margin-bottom:0}.orbit{position:absolute;right:-30px;top:23px;width:180px;height:180px;border:1px solid #486448;border-radius:50%;transform:rotate(-18deg);opacity:.6}.orbit:after{content:'';position:absolute;inset:22px;border:1px solid #486448;border-radius:50%}.orbit span,.orbit b,.orbit i,.orbit strong{position:absolute;background:#34533c;padding:8px 12px;border-radius:10px;color:#d7ed9b;z-index:1}.orbit span{left:5px;top:15px}.orbit b{right:10px;top:65px}.orbit i{left:20px;bottom:5px}.orbit strong{left:80px;top:85px}.controls{margin-top:25px;display:flex;gap:9px;flex-wrap:wrap}.search{display:flex;align-items:center;background:white;border:1px solid var(--line);border-radius:9px;padding:8px 12px;flex:1;min-width:180px}.search span{font-size:23px;margin-right:8px;color:var(--muted)}input{border:0;outline:none!important;width:100%;background:transparent;font-size:12px;color:var(--ink)}select{max-width:190px;min-width:0;border:1px solid var(--line);border-radius:9px;background:white;font-size:11px;padding:10px}.chips{display:flex;gap:6px;overflow:auto;max-width:100%;padding:6px 0}.chips button{white-space:nowrap;border:1px solid var(--line);background:transparent;padding:7px 12px;border-radius:7px;font-size:10px}.chips button.active{background:var(--ink);color:white;border-color:var(--ink)}.feed-label{display:flex;justify-content:space-between;align-items:center;margin:18px 0 12px;color:var(--muted);font-size:10px;letter-spacing:.3px}.feed-label button{background:none;border:0;font-size:11px;color:var(--green)}.card{background:#fff;border:1px solid var(--line);border-radius:13px;margin-bottom:14px;overflow:hidden;scroll-margin-top:15px}.card-top{display:flex;gap:10px;align-items:center;padding:21px 22px 0}.icon{background:#eef3e7;color:#5e8059;border-radius:9px;width:34px;height:34px;display:grid;place-items:center;font-size:17px;flex-shrink:0}.card-top .info{flex:1;min-width:0}.topic-name{font-size:11px;font-weight:650;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.type-label{font-size:9px;color:var(--muted);letter-spacing:.4px}.badge{font-size:9px;color:#79916b;border:1px solid #e4ebda;border-radius:4px;padding:2px 6px;white-space:nowrap}.card-body{padding:15px 22px 19px}.card h3{font-size:20px;line-height:1.35;letter-spacing:-.5px;margin:0 0 12px}.card p{font-size:14px;line-height:1.8;margin:10px 0;white-space:pre-line}.card details{margin-top:12px;font-size:12px}.card summary{cursor:pointer;color:var(--green);font-weight:600}.card details p{font-size:12px}.callout{padding:12px 14px;border-left:3px solid #94b36f;background:#f3f6ec;border-radius:0 6px 6px 0;font-size:12px!important}.card-footer{display:flex;justify-content:space-between;gap:5px;align-items:center;padding:10px 18px;border-top:1px solid #f0f2ec}.card-footer button{border:0;background:none;color:#7b877f;font-size:11px;padding:5px}.card-footer button.selected{color:#3f7656;font-weight:700}.card-footer .id{font-size:9px;color:#a1aaa0}.quiz .icon{background:#f9eedb;color:#a57b30}.term .icon{background:#eaf0f8;color:#5e7ba2}.detail .icon{background:#f6e9e4;color:#ac7562}.options{display:grid;gap:8px;margin:15px 0}.option{padding:11px 13px;text-align:left;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:12px;line-height:1.6}.option:hover:not(:disabled){background:#f3f6ed}.option.correct{background:#eaf4df;border-color:#8db16c;color:#345d2a}.option.wrong{background:#fff0eb;border-color:#d7a295;color:#994b38}.option:disabled{cursor:default;opacity:1}.result{padding:13px;background:#f5f7f0;border-radius:8px;font-size:12px}.result p{font-size:12px}.rightbar{padding:98px 20px 20px;height:100vh;position:sticky;top:0}.today{background:#edf1e4;border-radius:12px;padding:22px}.today h3{font-size:24px;letter-spacing:-1px;margin:10px 0 5px}.today p{color:#7c876f;font-size:12px}.progress{height:5px;border-radius:3px;background:#d8dfc9;margin:22px 0 8px;overflow:hidden}.progress i{display:block;background:#6a9150;height:100%;width:0;transition:width .3s}.stat-line{display:flex;justify-content:space-between;font-size:9px;color:#77896c}.stats{margin:28px 9px}.stats>div{display:flex;align-items:baseline;gap:12px;margin:13px 0}.stats b{font-size:23px;font-weight:650;min-width:55px}.stats div span{font-size:11px;color:var(--muted)}.note{border-top:1px solid var(--line);padding:24px 9px}.note>span{color:#9daf7d;font-size:24px}.note h3{font-size:13px}.note p{font-size:11px;color:var(--muted)}.footer{font-size:8px;color:#9ca596;margin:15px 9px}#status{text-align:center;color:var(--muted);font-size:13px;padding:20px}#more{display:block;margin:10px auto;background:#e7eddc;border:0;padding:12px 24px;border-radius:8px}#more[hidden]{display:none}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#173b2e;color:white;padding:10px 20px;border-radius:30px;font-size:12px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:10}#toast.show{opacity:1}.empty{text-align:center;padding:50px 20px;color:var(--muted)}@media(min-width:1450px){body{grid-template-columns:250px 760px 290px}}@media(max-width:1100px){body{grid-template-columns:190px minmax(0,730px)}.rightbar{display:none}.sidebar{padding:30px 15px}.nav{padding:12px 10px}.side-bottom{font-size:9px}}@media(max-width:700px){body{display:block}.sidebar{height:63px;position:sticky;top:0;z-index:5;background:#f6f7f3f5;border-right:0;border-bottom:1px solid var(--line);padding:5px 16px;display:flex;justify-content:space-between;align-items:center;backdrop-filter:blur(12px)}.brand{font-size:32px}.sidebar .tagline,.side-bottom{display:none}nav{display:flex;gap:5px}.nav{width:auto;font-size:20px;margin:0;padding:8px 13px}.nav span{display:none}main{padding:20px 14px 50px}header{margin-bottom:18px}h1{font-size:19px}.hero{padding:23px}.hero h2{font-size:29px}.orbit{right:-70px}.hero p{max-width:240px}.search{min-width:160px}select{max-width:135px}.card-body{padding:14px 19px}.card-top{padding:18px 19px 0}.card h3{font-size:19px}.card p{font-size:14px}.badge{display:none}.card{scroll-margin-top:75px}.eyebrow{font-size:8px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Dark social feed */
:root{color-scheme:dark;--bg:#000;--ink:#e7e9ea;--muted:#71767b;--green:#1d9bf0;--line:#2f3336;--lime:#1d9bf0}body{grid-template-columns:250px minmax(0,600px) 350px;background:#000;color:var(--ink)}.sidebar{padding:22px 20px;border:0}.brand{font-size:38px;letter-spacing:-2px;padding:0 14px}.brand i{color:#1d9bf0}.tagline{padding-left:15px;color:#71767b;margin:3px 0 30px}.nav{font-size:26px;padding:13px 17px;border-radius:30px;margin:8px 0;gap:18px;width:fit-content}.nav span{font-size:18px;font-weight:450}.nav:hover{background:#181818}.nav.active{background:transparent;color:#eff3f4}.nav.active span{font-weight:750}.side-bottom{padding-left:15px;color:#71767b;font-size:11px}.live-dot{background:#1d9bf0}main{padding:0 0 70px;border-left:1px solid var(--line);border-right:1px solid var(--line);min-height:100vh}header{height:75px;padding:12px 18px;margin:0;position:sticky;top:0;background:#000e;backdrop-filter:blur(16px);z-index:4;border-bottom:1px solid var(--line)}header .eyebrow{display:none}h1{font-size:20px;letter-spacing:-.4px}.avatar{background:#192d3d;color:#71c9f8;width:36px;height:36px;font-weight:700}.hero{background:#000;border-radius:0;padding:23px 20px 21px;min-height:0;border-bottom:1px solid var(--line)}.hero .pill{color:#71767b;font-size:9px;letter-spacing:1px}.hero h2{font-size:26px;line-height:1.25;margin:9px 0;letter-spacing:-.7px}.hero h2 br{display:none}.hero p{color:#71767b;font-size:12px}.orbit{display:none}.controls{padding:14px 16px 0;margin:0;gap:8px;border-bottom:1px solid var(--line)}.search{border:1px solid #202327;border-radius:30px;background:#202327;padding:5px 13px;min-width:170px}.search:focus-within{border-color:#1d9bf0;background:#000}.search span{color:#71767b}input{color:#e7e9ea;font-size:13px}input::placeholder{color:#71767b}select{border-color:#2f3336;border-radius:22px;background:#000;color:#a2a8ad;padding:9px;font-size:11px;max-width:165px}.chips{gap:0;width:calc(100% + 32px);max-width:none;margin:0 -16px;padding:0;flex:0 0 calc(100% + 32px);scrollbar-width:none}.chips button{border:0;border-radius:0;background:none;color:#71767b;padding:17px 12px;flex:1;font-size:11px;font-weight:650;position:relative}.chips button:hover{background:#101010}.chips button.active{background:none;color:#e7e9ea;border:0}.chips button.active:after{content:'';position:absolute;bottom:0;left:15%;right:15%;height:4px;border-radius:3px;background:#1d9bf0}.feed-label{margin:0;padding:12px 17px;border-bottom:1px solid var(--line);font-size:11px}.feed-label button{color:#1d9bf0}.card{margin:0;background:#000;border:0;border-bottom:1px solid var(--line);border-radius:0;position:relative;transition:background .15s}.card:hover{background:#080808}.card-top{padding:17px 17px 0;align-items:flex-start;gap:11px}.icon{width:39px;height:39px;border-radius:50%;background:#173147;color:#70c5ff;font-size:18px;font-weight:700}.term .icon{background:#28213d;color:#c4a8f0}.detail .icon{background:#3d2915;color:#e3b36d}.quiz .icon{background:#173629;color:#74c6a0}.topic-name{font-size:13px;color:#e7e9ea;line-height:1.5}.type-label{font-size:10px;color:#71767b;margin-top:2px;letter-spacing:.2px}.badge{border:0;padding:0;color:#71767b;font-size:10px;margin-top:3px}.card-body{padding:5px 18px 13px 67px}.card h3{font-size:17px;line-height:1.5;letter-spacing:-.15px;margin:3px 0 8px;font-weight:700}.card p{font-size:14px;line-height:1.7;margin:8px 0;color:#d5d8da}.card .callout{border:1px solid #2f3336;border-left:3px solid #1d9bf0;background:#0b1117;border-radius:10px;padding:12px 14px;color:#aebfcb;font-size:12px!important}.card summary{color:#1d9bf0;font-size:12px}.card details p{color:#a5adb4;font-size:12px}.card-footer{padding:0 18px 10px 59px;border-top:0;justify-content:flex-start;gap:20px}.card-footer button{font-size:11px;color:#71767b;border-radius:20px;padding:7px 9px}.card-footer button:hover{background:#031d2d;color:#1d9bf0}.card-footer button.selected{color:#1d9bf0}.card-footer .id{margin-left:auto;color:#42494e;font-size:9px}.option{border:1px solid #2f3336;background:#000;color:#dce0e3;border-radius:10px;font-size:13px}.option:hover:not(:disabled){background:#071a27;border-color:#1d9bf0}.option.correct{background:#092d20;border-color:#1c8b61;color:#82d9af}.option.wrong{background:#301316;border-color:#a3424b;color:#f0a0a7}.result{background:#10171b;color:#b6c5cf;border:1px solid #2f3336;border-radius:10px}.rightbar{padding:22px 24px;height:auto;max-height:100vh;overflow:auto}.today{border:1px solid #2f3336;border-radius:16px;background:#000;padding:20px}.today .eyebrow{color:#71767b}.today h3{color:#eff3f4;font-size:23px;letter-spacing:-.6px}.today p{color:#71767b;font-size:13px}.progress{background:#202327;height:5px}.progress i{background:#1d9bf0}.stat-line{color:#71767b;font-size:10px}.stats{border:1px solid #2f3336;border-radius:16px;padding:18px 20px;margin:17px 0}.stats .eyebrow{font-size:10px;color:#71767b}.stats>div{margin:14px 0}.stats b{font-size:23px;color:#e7e9ea}.stats div span{color:#71767b;font-size:12px}.note{border:1px solid #2f3336;border-radius:16px;padding:18px 20px}.note>span{color:#1d9bf0}.note h3{font-size:15px;color:#e7e9ea}.note p{font-size:12px;color:#71767b}.footer{color:#536471;font-size:10px;margin:15px 12px}#status{font-size:12px;padding:24px 22px;color:#71767b}#more{background:#1d9bf0;color:white;border-radius:25px;font-weight:650}#toast{background:#1d9bf0;color:#fff;border-radius:8px;box-shadow:0 3px 20px #0007}.empty{color:#71767b}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline-color:#1d9bf0}@media(min-width:1450px){body{grid-template-columns:270px 620px 350px}}@media(max-width:1200px){body{grid-template-columns:205px minmax(0,600px) 290px}.sidebar{padding:22px 12px}.nav span{font-size:16px}.rightbar{padding:22px 16px}}@media(max-width:1050px){body{grid-template-columns:205px minmax(0,650px)}.rightbar{display:none}}@media(max-width:700px){body{display:block}.sidebar{height:57px;padding:4px 12px;border-bottom:1px solid #2f3336;background:#000e;backdrop-filter:blur(16px)}.brand{font-size:30px;padding-left:3px}.nav{padding:7px 14px;margin:0;font-size:23px}.nav.active{color:#1d9bf0}.nav span{display:none}main{padding:0 0 55px;border:0}header{top:57px;height:56px;padding:10px 15px}h1{font-size:18px}.hero{padding:18px 16px}.hero h2{font-size:24px;max-width:330px}.hero h2 br{display:block}.hero p{max-width:none;font-size:11px}.hero .pill{font-size:8px}.avatar{width:30px;height:30px;font-size:11px}.controls{padding:12px 12px 0;gap:7px}.search{min-width:140px}.search input{font-size:11px}select{max-width:126px;font-size:10px}.chips{margin:0 -12px;width:calc(100% + 24px);flex-basis:calc(100% + 24px)}.chips button{font-size:10px;padding:15px 10px}.card{scroll-margin-top:118px}.card-top{padding:15px 13px 0;gap:9px}.icon{width:34px;height:34px;font-size:16px}.card-body{padding:4px 14px 11px 56px}.topic-name{font-size:12px}.type-label{font-size:9px}.card h3{font-size:16px}.card p{font-size:14px}.card-footer{padding-left:48px;gap:10px}.card-footer button{font-size:10px}.feed-label{padding:11px 14px;font-size:10px}}