:root{--ink:#07151f;--teal:#087c96;--lime:#bcff52;--paper:#f6f7f3;--white:#fff;--line:#dbe2e3;--muted:#66757b;--red:#b42318;--shadow:0 18px 60px rgba(7,21,31,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,textarea,select{font:inherit}button{color:inherit}.topbar{height:72px;padding:0 clamp(18px,4vw,54px);display:flex;align-items:center;justify-content:space-between;background:rgba(246,247,243,.93);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}.brand,.dialog-brand{font-weight:950;font-size:21px;letter-spacing:-1.5px;background:none;border:0;padding:0}.brand span,.dialog-brand span{color:var(--teal)}nav{display:flex;align-items:center;gap:8px}nav button,.sidebar button{background:none;border:0;padding:10px 13px;cursor:pointer;font-weight:700}.primary{background:var(--ink);color:white!important;border:0;border-radius:9px;padding:11px 17px;font-weight:850;cursor:pointer}.primary:hover{background:var(--teal)}.outline{border:1px solid var(--line)!important;border-radius:9px}.large{font-size:16px;padding:14px 22px}.full{width:100%}.text-button,.link{background:none;border:0;color:var(--teal);font-weight:800;cursor:pointer}.page{display:none}.page.active{display:block}.landing{max-width:1180px;margin:auto;padding:clamp(45px,8vw,100px) 24px 50px}.hero-grid{display:grid;grid-template-columns:1.45fr .8fr;gap:clamp(35px,7vw,90px);align-items:center}.eyebrow{font-size:11px;letter-spacing:1.8px;color:var(--teal);font-weight:900;margin:0 0 10px}.landing h1{font-size:clamp(54px,8.5vw,106px);line-height:.88;letter-spacing:-.075em;margin:18px 0 26px}.landing mark{background:var(--lime);color:inherit;padding:0 .06em}.lead{font-size:19px;color:var(--muted);max-width:680px}.hero-actions{display:flex;gap:14px;align-items:center;margin-top:32px}.signal-card{background:var(--white);border:1px solid var(--line);padding:28px;box-shadow:var(--shadow);transform:rotate(1deg)}.signal-head{font-size:11px;letter-spacing:1.5px;font-weight:900}.live-dot{display:inline-block;width:8px;height:8px;background:var(--lime);border-radius:50%;box-shadow:0 0 0 5px rgba(188,255,82,.25);margin-right:8px}.signal-card h2{font-size:28px;margin:28px 0 18px}.inspection-step{display:grid;grid-template-columns:38px 1fr;gap:12px;padding:13px 0;border-top:1px solid var(--line)}.inspection-step b{color:var(--teal)}.inspection-step strong{display:block}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:90px}.principles article{background:var(--white);padding:28px}.principles span{font-size:10px;color:var(--teal);font-weight:900;letter-spacing:1.4px}.principles h3{font-size:21px;margin:7px 0}.principles p{color:var(--muted);margin:0}.standard{background:var(--ink);color:white;padding:25px 28px;font-size:17px}.standard strong{color:var(--lime)}.app-shell.active{display:grid;grid-template-columns:220px minmax(380px,680px) 260px;gap:28px;max-width:1240px;margin:0 auto;padding:32px 22px}.sidebar{position:sticky;top:104px;height:max-content;display:flex;flex-direction:column;align-items:stretch;gap:5px}.sidebar button{text-align:left;border-radius:9px}.sidebar button.active,.sidebar button:hover{background:white}.side-profile{padding:14px;margin-bottom:10px;font-weight:800}.stream{min-width:0}.stream.wide{grid-column:2/4}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.section-title h2,.ai-heading h2{font-size:34px;letter-spacing:-1.5px;margin:0}.icon-button{border:1px solid var(--line);background:white;border-radius:50%;width:40px;height:40px;cursor:pointer}.composer,.post,.rail-card,.group-card{background:white;border:1px solid var(--line);padding:18px;margin-bottom:15px}.composer textarea{width:100%;border:0;resize:vertical;min-height:90px;outline:0;font-size:16px}.composer-foot{display:flex;gap:10px;border-top:1px solid var(--line);padding-top:12px}.composer-foot input{flex:1;border:1px solid var(--line);border-radius:8px;padding:10px}.post-head{display:flex;gap:11px;align-items:center}.avatar,.avatar-button{width:38px;height:38px;border-radius:50%;background:var(--ink);color:white;display:grid;place-items:center;font-weight:900;border:0}.post-meta{flex:1}.post-meta strong{display:block}.post-meta span,.post small{color:var(--muted);font-size:12px}.post-body{font-size:16px;white-space:pre-wrap;margin:17px 0}.source-link{display:block;padding:11px;background:var(--paper);color:var(--teal);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.post-actions{display:flex;gap:8px;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}.post-actions button{border:0;background:none;cursor:pointer;padding:7px 9px;border-radius:7px}.post-actions button:hover,.post-actions button.liked{background:#eaf6f7;color:var(--teal)}.comments{border-top:1px solid var(--line);margin-top:10px;padding-top:10px}.comment{padding:9px 0}.comment strong{font-size:13px}.comment p{margin:2px 0}.comment-form{display:flex;gap:8px}.comment-form input{flex:1;border:1px solid var(--line);border-radius:8px;padding:9px}.right-rail{position:sticky;top:104px;height:max-content}.rail-card h3{margin-top:0}.rail-card ol{padding-left:18px;color:var(--muted)}.ai-promo{width:100%;background:var(--ink);color:white;border:0;text-align:left;padding:20px;cursor:pointer}.ai-promo span{color:var(--lime);font-size:25px}.ai-promo strong,.ai-promo small{display:block}.group-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.group-card{margin:0}.group-card h3{font-size:21px;margin:8px 0}.group-card p{color:var(--muted);min-height:48px}.group-card footer{display:flex;align-items:center;justify-content:space-between}.ai-layout.active{display:grid;grid-template-columns:260px 1fr;min-height:calc(100vh - 72px)}.thread-panel{padding:25px 18px;border-right:1px solid var(--line);background:#eef1ed}.thread-panel #threads{margin-top:20px}.thread-button{display:block;width:100%;text-align:left;border:0;background:none;padding:11px;border-radius:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.thread-button:hover,.thread-button.active{background:white}.ai-workspace{display:flex;flex-direction:column;max-width:900px;width:100%;height:calc(100vh - 72px);margin:auto;padding:32px}.ai-heading{text-align:center}.ai-heading p:last-child{color:var(--muted)}.chat-messages{flex:1;overflow:auto;padding:25px 0}.ai-welcome{text-align:center;color:var(--muted);margin:8vh auto;max-width:500px}.ai-welcome span{font-size:38px;color:var(--teal)}.ai-welcome h3{color:var(--ink);font-size:24px}.chat-bubble{max-width:82%;padding:15px 17px;border-radius:15px;margin:12px 0;white-space:pre-wrap}.chat-bubble.user{background:var(--ink);color:white;margin-left:auto}.chat-bubble.assistant{background:white;border:1px solid var(--line)}.ai-form{display:flex;gap:10px;background:white;border:1px solid var(--line);border-radius:12px;padding:9px;box-shadow:var(--shadow)}.ai-form textarea{flex:1;border:0;resize:none;outline:0;padding:9px;min-height:50px}.profile-page.active{display:grid;place-items:center;padding:60px 20px}.profile-card{background:white;border:1px solid var(--line);padding:32px;width:min(100%,560px)}.profile-avatar{width:80px;height:80px;background:var(--ink);color:white;border-radius:50%;display:grid;place-items:center;font-size:30px;font-weight:900}.profile-card h2{font-size:30px;margin-bottom:0}.profile-card label,dialog label{display:block;font-size:12px;font-weight:800;margin:14px 0}.profile-card input,.profile-card textarea,dialog input,dialog textarea,dialog select{display:block;width:100%;margin-top:5px;border:1px solid var(--line);border-radius:8px;padding:11px;background:white}.profile-card textarea,dialog textarea{min-height:90px;resize:vertical}.danger-text{border:0;background:none;color:var(--red);margin-top:25px;cursor:pointer}dialog{border:0;padding:30px;width:min(92vw,440px);box-shadow:var(--shadow);border-radius:12px}dialog::backdrop{background:rgba(7,21,31,.62);backdrop-filter:blur(3px)}dialog h2{font-size:30px;margin:0}.dialog-brand{margin-bottom:30px}.close{position:absolute;right:15px;top:10px;border:0;background:none;font-size:28px;cursor:pointer}.form-error{color:var(--red);min-height:22px}#toast{position:fixed;right:20px;bottom:20px;background:var(--ink);color:white;padding:12px 18px;border-radius:9px;transform:translateY(100px);opacity:0;transition:.25s;z-index:50}#toast.show{transform:none;opacity:1}.loading,.empty{text-align:center;color:var(--muted);padding:40px}.delete-button{color:var(--red)}@media(max-width:980px){.app-shell.active{grid-template-columns:180px 1fr}.right-rail{display:none}.stream.wide{grid-column:auto}.hero-grid{grid-template-columns:1fr}.signal-card{transform:none;max-width:600px}.landing h1{font-size:clamp(58px,12vw,95px)}}@media(max-width:700px){.topbar{height:62px}.topbar nav button:not(.primary):not(.avatar-button){display:none}.landing{padding-top:50px}.landing h1{font-size:50px}.principles{grid-template-columns:1fr}.hero-actions{align-items:flex-start;flex-direction:column}.app-shell.active{display:block;padding:20px 14px}.sidebar{position:static;flex-direction:row;overflow:auto;margin-bottom:18px}.sidebar .side-profile{display:none}.sidebar button{white-space:nowrap}.group-grid{grid-template-columns:1fr}.ai-layout.active{display:block}.thread-panel{display:none}.ai-workspace{height:calc(100vh - 62px);padding:18px 12px}.chat-bubble{max-width:94%}.composer-foot{flex-direction:column}.section-title h2,.ai-heading h2{font-size:28px}}