:root{color-scheme:light}

*{box-sizing:border-box}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#23383f;background:#f6f8fa}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button,a,input{ -webkit-tap-highlight-color:transparent}
button{cursor:pointer}
button:disabled{cursor:wait;opacity:.65}
[hidden]{display:none!important}
:focus-visible{outline:3px solid #bb914b;outline-offset:4px}
button{border:0}
 .sidebar{position:fixed;inset:0 auto 0 0;width:236px;border-right:1px solid #e1e8ec;background:#fdfefe;color:#607780;display:flex;flex-direction:column;padding:32px 16px 18px;z-index:30}
.brand{display:flex;align-items:center;gap:12px;padding:0 10px;color:#23383f;font-size:13px;font-weight:700;letter-spacing:1.7px}
.brand-icon{font-size:29px;background:#e8f0f2;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;letter-spacing:-3px}
.brand-icon span{color:#a57935}
.brand small{display:block;margin-top:7px;color:#71828a;font-size:11px;letter-spacing:1.5px;font-weight:400}
.nav-caption{font-size:10px;letter-spacing:1.8px;color:#73858e;margin:40px 14px 12px}
.nav-caption span{float:right;color:#73858e;letter-spacing:0}
.nav-overview,.nav-project{display:flex;align-items:center;gap:12px;min-height:44px;padding:11px 14px;border-radius:7px;font-size:14px}
.nav-overview.active,.nav-overview:hover,.nav-project:hover{background:#eef4f6;color:#215361}
.nav-symbol{font-size:20px;color:#70868e;width:23px;text-align:center}
.nav-symbol.politics{color:#9b7e48}
.nav-symbol.bytecoin{color:#4c8e71}
.nav-symbol.weather{color:#6084b3}
.nav-divider{height:1px;background:#e4eaed;margin:22px 14px 0}
.nav-divider+.nav-caption{margin-top:24px}
.nav-group{margin:4px 0 12px}
.nav-project{color:#314b55}
.chevron{margin-left:auto;color:#8aa0aa}
.nav-children{margin:1px 0 0 26px;border-left:1px solid #e3eaee;padding-left:14px}
.nav-children a{display:block;padding:10px 10px;font-size:12px;color:#647a84;border-radius:5px}
.nav-children a:hover{color:#245b69;background:#f3f7f8}
.nav-children a.active{background:#e8f1f4;color:#22586a;font-weight:600}
.sidebar-bottom{margin-top:auto;padding:22px 10px 0;display:flex;align-items:center;gap:10px;border-top:1px solid #e4eaed}
.avatar{background:#edf1f5;color:#253a40;width:32px;height:32px;display:grid;place-items:center;border-radius:50%;font-size:13px}
.sidebar-bottom strong{display:block;color:#314b55;font-size:12px}
.sidebar-bottom small{font-size:10px;display:block;margin-top:4px;color:#73858e}
.logout{margin-left:auto;background:transparent;color:#637e89;font-size:23px;padding:4px}
.main{margin-left:236px;min-height:100vh}
.topbar{height:74px;border-bottom:1px solid #e0e6e5;display:flex;align-items:center;justify-content:space-between;padding:0 36px;background:#fff;gap:12px}
.breadcrumb{display:flex;gap:17px;align-items:center;font-size:12px;color:#829096;min-width:0}
.breadcrumb strong{font-weight:500;color:#344c54}
.slash{color:#c8d0d3}
.top-actions{display:flex;align-items:center;gap:18px;font-size:12px;color:#8a999e;white-space:nowrap}
#openOriginal{color:#46646d}
#menuToggle{display:none;background:transparent;color:#29434d;font-size:22px}
.overview{max-width:1450px;margin:auto;padding:48px 46px 24px}
.eyebrow{font-size:10px;letter-spacing:2px;color:#839494;font-weight:600}
.welcome h1{font-size:36px;font-weight:550;letter-spacing:-1.6px;margin:18px 0 16px}
.welcome h1 span{color:#b18b51}
.welcome>p:last-child{font-size:14px;color:#7b898d}
.overview-heading{display:flex;align-items:center;justify-content:space-between;margin:44px 0 20px;gap:14px}
.overview-heading h2{font-size:17px;font-weight:600;margin:0}
.overview-heading>span{font-size:11px;color:#8a9699}
.project-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.project-card{position:relative;border:1px solid #dce3e1;border-radius:12px;padding:26px 26px 0;background:#fff;overflow:hidden;transition:transform .18s,border-color .18s,box-shadow .18s}
.project-card:hover{transform:translateY(-4px);border-color:#a4b4b1;box-shadow:0 12px 24px #243d4509}
.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:33px}
.card-icon{display:grid;place-items:center;width:48px;height:48px;font-size:25px;background:#f3eee5;color:#967a46;border-radius:11px}
.bytecoin .card-icon{background:#e7f2ea;color:#538168}
.weather .card-icon{background:#eaf0f6;color:#5f7fa2}
.connection{font-size:10px;color:#9a9e9d;display:flex;align-items:center;gap:5px}
.connection:before{content:"";width:5px;height:5px;border-radius:50%;background:#b8c4c6}
.connection.available{color:#6a8c78}
.connection.available:before{background:#75a98b}
.connection.unavailable{color:#a67943}
.connection.unavailable:before{background:#c89451}
.card-eyebrow{font-size:8px;letter-spacing:1.2px;color:#8c9798;font-weight:600}
.project-card h3{font-size:25px;font-weight:550;letter-spacing:-.5px;margin:11px 0 16px}
.card-description{color:#7a898d;font-size:12px;line-height:1.95;margin:0;min-height:72px;max-width:280px}
.card-footer{border-top:1px solid #e7ecea;margin-top:28px;padding:18px 0;display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#839397}
.enter-arrow{font-size:19px;color:#314c54}
.card-number{position:absolute;right:20px;top:103px;font-size:57px;letter-spacing:-4px;font-weight:300;color:#f1f3f1;z-index:0;pointer-events:none}
.card-eyebrow,.project-card h3{position:relative;z-index:1}
.quick-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.quick-links a{display:flex;align-items:center;gap:13px;border-bottom:1px solid #dce3e1;padding:8px 0 21px}
.quick-icon{font-size:22px;color:#6f888a}
.quick-links strong{font-size:12px;font-weight:500}
.quick-links small{display:block;color:#8d999b;font-size:10px;margin-top:7px}
.quick-links b{margin-left:auto;font-size:16px;font-weight:400;color:#8d999b}
.overview-footer{display:flex;justify-content:space-between;color:#9ba6a7;font-size:9px;letter-spacing:1px;margin-top:64px;gap:20px}
.overview-footer span:last-child{letter-spacing:0}
.project-view{height:calc(100dvh - 74px);position:relative}
.project-view iframe{border:0;display:block;width:100%;height:100%;background:#f6f8fa}
.frame-loading{position:absolute;top:12px;left:50%;transform:translateX(-50%);padding:10px 22px;border-radius:20px;color:#365b66;background:#e9f1f3;font-size:12px;z-index:2}
.frame-error{position:absolute;inset:0;background:#f6f8fa;display:flex;align-items:center;justify-content:center;flex-direction:column}
.frame-error h2{font-size:22px}
.frame-error p{font-size:13px;color:#7a8d93}
.frame-error button{padding:10px 20px;background:#203e46;color:#fff;border-radius:6px}
.scrim{position:fixed;inset:0;background:#11283266;z-index:29}
.login-layout{min-height:100dvh;display:grid;grid-template-columns:1fr 1fr}
.login-story{background:linear-gradient(150deg,#f1f6f8,#e9f0f2);padding:48px;display:flex;flex-direction:column;color:#23383f;position:relative;overflow:hidden}
.login-story:after{content:"";width:540px;height:540px;border:1px solid #bacfd34d;border-radius:50%;position:absolute;right:-240px;bottom:-250px;box-shadow:0 0 0 70px #b8ced31a,0 0 0 140px #b8ced30d;pointer-events:none}
.login-story .brand{padding:0}
.story-copy{margin:auto 0;padding:80px 0}
.story-copy .eyebrow{font-size:9px;letter-spacing:2px;color:#647e88}
.story-copy h1{font-size:clamp(28px,3vw,44px);line-height:1.6;font-weight:500;letter-spacing:-1px}
.story-copy>p{font-size:14px;color:#607b87}
.story-projects{display:flex;flex-wrap:wrap;gap:22px;margin-top:45px;color:#876e43;font-size:11px}
.story-footer{font-size:9px;letter-spacing:2px;color:#70858e}
.login-panel{display:flex;align-items:center;justify-content:center;background:#ffffff;padding:48px}
.login-box{max-width:340px;width:100%}
.login-label{font-size:12px;color:#9b855e}
.login-box h2{font-size:27px;font-weight:550;margin:16px 0}
.login-box>p{color:#8b979b;font-size:12px}
.login-box form{margin-top:36px}
.login-box label{display:block;font-size:12px;margin:21px 0 10px}
.login-box input{width:100%;height:47px;padding:0 13px;border:1px solid #dce2e0;border-radius:6px;background:#fff;color:#263b43;font-size:13px}
.login-box input::placeholder{color:#afbabd;font-size:12px}
.login-error{font-size:12px;color:#b45546;min-height:17px;margin:17px 0}
.login-box button{width:100%;background:#2c6673;color:#fff;height:47px;border-radius:6px;font-size:13px;text-align:left;padding:0 17px}
.login-box button span{float:right}
.login-box .login-note{font-size:10px;margin-top:23px;color:#9aa6a8}
@media(min-width:1500px){.overview{padding-top:68px}
.project-card{padding-top:32px}
.card-description{min-height:80px}
.card-footer{margin-top:42px}
}
@media(max-width:1150px){.sidebar{width:214px}
.main{margin-left:214px}
.overview{padding:35px 28px}
.project-cards{gap:12px}
.project-card{padding:20px 18px 0}
.card-description{min-height:94px}
.quick-links{gap:12px}
.quick-icon{display:none}
.topbar{padding:0 28px}
.welcome h1{font-size:30px}
}
@media(max-width:850px){.sidebar{transform:translateX(-100%);transition:transform .2s;width:236px}
.menu-open .sidebar{transform:translateX(0)}
.main{margin-left:0}
#menuToggle{display:block}
.topbar{height:64px;padding:0 20px}
.breadcrumb{gap:10px}
.top-actions #dateLabel{display:none}
.project-view{height:calc(100dvh - 64px)}
.overview{padding:30px 24px}
.login-story{padding:30px}
.login-panel{padding:30px}
.story-projects{gap:15px}
}
@media(max-width:600px){.project-cards,.quick-links{grid-template-columns:1fr}
.project-card{padding:22px 23px 0}
.card-top{margin-bottom:20px}
.card-description{min-height:0;max-width:none}
.card-footer{margin-top:20px}
.card-number{top:82px;right:24px}
.project-card h3{font-size:25px}
.welcome h1{font-size:28px}
.welcome>p:last-child{font-size:12px}
.overview-heading{margin-top:32px}
.overview-heading>span{font-size:10px}
.quick-links{gap:10px}
.quick-icon{display:block}
.quick-links a{padding:12px 0 20px}
.overview-footer{margin-top:36px;flex-direction:column;gap:10px}
.breadcrumb{font-size:11px}
.breadcrumb>span:first-of-type,.slash{display:none}
.top-actions{font-size:11px}
.login-layout{grid-template-columns:1fr}
.login-story{padding:28px 26px}
.story-copy{display:none}
.story-footer{display:none}
.login-panel{padding:40px 26px 60px;align-items:flex-start}
.login-box{max-width:380px}
.login-page{background:#ffffff}
.login-layout{display:flex;flex-direction:column}
.login-panel{flex:1}
}


.sidebar{overflow-y:auto;overscroll-behavior:contain}
.sidebar>.brand,.sidebar-bottom{flex-shrink:0}
#projectNav{margin-bottom:25px}


/* Signal: visible workspace entry */
.nav-signal{margin-top:9px;background:#eff5eb;color:#46673d;font-weight:600}
.nav-signal .nav-symbol{color:#698857}
.nav-signal small{margin-left:auto;border:1px solid #d6e3cb;border-radius:4px;padding:2px 5px;color:#789363;font-size:9px;letter-spacing:.6px;font-weight:500}
.nav-signal:hover,.nav-signal.active{background:#e0ecd6;color:#36582b}
.nav-signal.active{box-shadow:inset 3px 0 #74965b}
.quick-links{grid-template-columns:repeat(4,minmax(0,1fr))}
.quick-signal{background:#edf4e9;border:1px solid #dce7d4!important;border-radius:8px;padding:13px 14px!important}
.quick-signal .quick-icon,.quick-signal strong{color:#557549}
.quick-signal:hover{background:#e3eedc}
@media(max-width:1150px){.quick-links{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.quick-links{grid-template-columns:1fr}}

/* AI daily entry */
.nav-symbol.ai{color:#526d41}.project-card.ai .card-icon{background:#e6ecd9;color:#526d41}

/* Predict paper-only workspace */
.nav-symbol.predict{color:#107a68}.project-card.predict .card-icon{background:#e9f5ef;color:#107a68}.quick-predict .quick-icon{color:#107a68}