:root{
  --bg:#f3f6fb;--surface:#ffffff;--surface-2:#f8fafc;--surface-3:#eef2f7;--text:#172033;--muted:#6b7280;
  --line:#dde4ee;--brand:#2563eb;--brand-2:#1d4ed8;--brand-soft:#eaf1ff;--danger:#dc2626;--success:#16a34a;
  --shadow:0 8px 28px rgba(22,34,55,.08);--radius:18px;--radius-sm:12px;
  --header-h:72px;--left-w:260px;--right-w:300px;--content-max:760px;
  font-size:clamp(14px,.22vw + 12px,18px);
}
*{box-sizing:border-box}html{min-height:100%;background:var(--bg)}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.45}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:inherit}.hidden{display:none!important}
body.dark{--bg:#0f141c;--surface:#171d27;--surface-2:#1d2531;--surface-3:#252f3d;--text:#f4f7fb;--muted:#a3adbd;--line:#2c3746;--brand-soft:#182a4b;--shadow:0 10px 30px rgba(0,0,0,.28)}
.config-warning{position:fixed;top:0;left:0;right:0;z-index:9999;background:#fff4c7;color:#624a00;padding:10px 16px;text-align:center;border-bottom:1px solid #f0d76a}
.brand-lockup{display:inline-flex;align-items:center;gap:.6rem;color:var(--brand);font-weight:900;font-size:1.45rem;letter-spacing:-.04em}.brand-lockup--large{font-size:clamp(2rem,3vw,3.3rem)}.brand-ring{width:1.45em;height:1.45em;border:.34em solid currentColor;border-right-color:#60a5fa;border-radius:50%;display:inline-block}
.auth-screen{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(380px,.85fr);background:radial-gradient(circle at 15% 18%,#e3edff 0,transparent 35%),var(--bg)}body.dark .auth-screen{background:radial-gradient(circle at 15% 18%,#12284d 0,transparent 35%),var(--bg)}.auth-brand{display:flex;flex-direction:column;justify-content:center;padding:clamp(36px,7vw,110px);max-width:900px}.auth-brand h1{font-size:clamp(3rem,6vw,6.5rem);line-height:.95;letter-spacing:-.065em;margin:1.2rem 0;color:var(--text)}.auth-brand>p{max-width:660px;font-size:clamp(1.05rem,1.35vw,1.35rem);color:var(--muted)}.auth-feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:.7rem 2rem;margin-top:1.5rem;color:var(--text);font-weight:650}.auth-feature-grid div::first-letter{color:var(--brand)}.auth-card-wrap{display:flex;align-items:center;justify-content:center;padding:clamp(24px,5vw,80px)}.auth-card{width:min(100%,560px);padding:clamp(24px,3vw,40px);background:var(--surface);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);margin-bottom:1.6rem}.auth-tab{padding:1rem;border:0;background:none;color:var(--muted);font-weight:800;border-bottom:3px solid transparent}.auth-tab.active{color:var(--brand);border-bottom-color:var(--brand)}.auth-form{display:flex;flex-direction:column;gap:1rem}.auth-form label,.form-label{display:flex;flex-direction:column;gap:.4rem;color:var(--muted);font-size:.9rem;font-weight:700}.auth-form input,.auth-form textarea,.auth-form select,.field,.small-search{border:1px solid var(--line);background:var(--surface-2);color:var(--text);border-radius:12px;padding:.82rem .9rem;outline:none}.auth-form input:focus,.field:focus,.small-search:focus{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 15%,transparent)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}.optional-details{border:1px solid var(--line);border-radius:12px;padding:.8rem}.optional-details summary{font-weight:750;cursor:pointer;color:var(--text);margin-bottom:.7rem}.form-note{font-size:.8rem;color:var(--muted);margin:0}.form-message{padding:.8rem;border-radius:10px;background:var(--brand-soft);color:var(--brand)}
.primary-btn,.secondary-btn,.danger-btn{border:0;border-radius:12px;padding:.72rem 1rem;font-weight:800}.primary-btn{background:var(--brand);color:#fff}.primary-btn:hover{background:var(--brand-2)}.secondary-btn{background:var(--surface-3);color:var(--text)}.danger-btn{background:#fee2e2;color:#991b1b}.wide{width:100%}.text-btn{border:0;background:none;color:var(--brand);font-weight:800;padding:.35rem}.round-btn{width:42px;height:42px;display:grid;place-items:center;border:0;border-radius:50%;background:var(--surface-3);color:var(--text);font-size:1.15rem}.icon-btn{border:0;background:transparent;color:var(--muted);padding:.45rem;border-radius:8px}.icon-btn:hover{background:var(--surface-3);color:var(--text)}
.topbar{position:fixed;z-index:100;inset:0 0 auto 0;height:var(--header-h);display:grid;grid-template-columns:var(--left-w) minmax(220px,420px) 1fr auto;align-items:center;gap:1rem;padding:0 1.2rem;background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.topbar-brand{border:0;background:none}.top-search{position:relative;display:flex;align-items:center;background:var(--surface-3);border-radius:999px;padding:0 .9rem}.top-search input{width:100%;border:0;outline:none;background:transparent;color:var(--text);padding:.74rem .55rem}.search-results{position:absolute;top:calc(100% + 10px);left:0;right:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:.4rem;max-height:420px;overflow:auto}.top-nav{display:flex;justify-content:center;gap:.4rem}.nav-icon{position:relative;min-width:62px;height:46px;border:0;border-bottom:3px solid transparent;border-radius:10px 10px 0 0;background:none;color:var(--muted);font-size:1.4rem}.nav-icon:hover{background:var(--surface-3)}.nav-icon.active{color:var(--brand);border-bottom-color:var(--brand)}.top-actions{display:flex;align-items:center;gap:.5rem;position:relative}.account-chip{display:flex;align-items:center;gap:.5rem;border:0;background:var(--surface-3);color:var(--text);padding:.3rem .7rem .3rem .3rem;border-radius:999px;font-weight:750}.menu-popover{position:absolute;top:calc(100% + 12px);right:0;width:220px;padding:.5rem;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow)}.menu-popover button,.menu-popover a{width:100%;display:block;border:0;background:none;text-align:left;color:var(--text);padding:.7rem .8rem;border-radius:9px;text-decoration:none}.menu-popover button:hover,.menu-popover a:hover{background:var(--surface-3)}.badge{position:absolute;right:2px;top:1px;min-width:17px;height:17px;padding:0 4px;background:#ef4444;color:#fff;border:2px solid var(--surface);border-radius:999px;font-size:10px;line-height:13px;text-align:center;font-weight:900}
.left-rail,.right-rail{position:fixed;top:var(--header-h);bottom:0;overflow:auto;padding:1.2rem}.left-rail{left:0;width:var(--left-w);border-right:1px solid color-mix(in srgb,var(--line) 60%,transparent)}.left-rail>button,.rail-profile{width:100%;display:flex;align-items:center;gap:.85rem;border:0;background:none;color:var(--text);padding:.72rem;border-radius:12px;font-weight:700;text-align:left}.left-rail>button:hover{background:var(--surface-3)}.left-rail>button>span{width:28px;text-align:center;color:var(--brand);font-size:1.15rem}.rail-profile{border-bottom:1px solid var(--line)!important;margin-bottom:.5rem}.rail-footer{padding:1rem .6rem;color:var(--muted);font-size:.76rem}.right-rail{right:0;width:var(--right-w);border-left:1px solid color-mix(in srgb,var(--line) 60%,transparent)}.right-section{margin-bottom:1.3rem}.right-title{display:flex;justify-content:space-between;align-items:center}.right-title h3{margin:.4rem 0;font-size:1rem}.right-title button{border:0;background:none;color:var(--brand);font-size:.8rem}.contact-row,.mini-row,.search-person{display:flex;align-items:center;gap:.7rem;padding:.58rem;border-radius:10px}.contact-row:hover,.search-person:hover{background:var(--surface-3)}.online-dot{width:9px;height:9px;background:#22c55e;border-radius:50%;border:2px solid var(--surface);margin-left:-16px;margin-top:28px}.mini-row{align-items:flex-start}.mini-date{min-width:42px;border-radius:9px;background:var(--brand-soft);color:var(--brand);text-align:center;padding:.35rem;font-weight:900}.mini-date small{display:block;font-size:.65rem}
.content-area{margin-left:var(--left-w);margin-right:var(--right-w);padding:calc(var(--header-h) + 1.4rem) clamp(16px,3vw,44px) 80px;min-height:100vh}.view{display:none;max-width:1200px;margin:0 auto}.view.active{display:block}#view-home,#view-saved{max-width:var(--content-max)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 3px 14px rgba(22,34,55,.035)}.stories-row{display:flex;gap:.8rem;overflow-x:auto;padding:.1rem .1rem 1rem;scrollbar-width:none}.story-card{position:relative;flex:0 0 116px;height:190px;border:0;border-radius:16px;overflow:hidden;background:linear-gradient(160deg,#1d4ed8,#7c3aed);color:#fff;text-align:left;box-shadow:var(--shadow)}.story-card img{width:100%;height:100%;object-fit:cover}.story-overlay{position:absolute;inset:auto 0 0;padding:2rem .7rem .7rem;background:linear-gradient(transparent,rgba(0,0,0,.7));font-weight:800;font-size:.82rem}.story-avatar{position:absolute;top:8px;left:8px;border:3px solid var(--brand)}.create-story{display:grid;place-items:center;text-align:center;background:var(--surface);color:var(--text);border:1px solid var(--line)}.create-story .plus{width:38px;height:38px;display:grid;place-items:center;border-radius:50%;background:var(--brand);color:#fff;font-size:1.4rem}.composer-card{display:grid;grid-template-columns:auto 1fr;gap:.8rem;padding:1rem;margin-bottom:1rem}.composer-input{border:0;background:var(--surface-3);color:var(--muted);border-radius:999px;text-align:left;padding:0 1rem}.composer-actions{grid-column:1/-1;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);padding-top:.6rem}.composer-actions button{border:0;background:none;color:var(--muted);padding:.65rem;border-radius:9px;font-weight:700}.composer-actions button:hover{background:var(--surface-3)}.feed-stack{display:flex;flex-direction:column;gap:1rem}.post-card{padding:1rem}.post-head{display:flex;align-items:center;gap:.7rem}.post-meta{flex:1}.post-meta strong{display:block}.post-meta small{color:var(--muted)}.post-body{font-size:1rem;white-space:pre-wrap;margin:.85rem 0}.post-media{width:calc(100% + 2rem);margin-left:-1rem;max-height:680px;object-fit:cover;background:#000}.post-stats{display:flex;justify-content:space-between;color:var(--muted);font-size:.82rem;padding:.7rem 0;border-bottom:1px solid var(--line)}.post-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:.3rem;padding-top:.45rem}.post-actions button{border:0;background:none;color:var(--muted);padding:.65rem;border-radius:9px;font-weight:800}.post-actions button:hover,.post-actions button.active{background:var(--surface-3);color:var(--brand)}.comment-list{display:flex;flex-direction:column;gap:.5rem;margin-top:.65rem}.comment{display:flex;gap:.5rem}.comment-bubble{background:var(--surface-3);border-radius:12px;padding:.55rem .7rem;flex:1}.comment-bubble strong{font-size:.82rem}.comment-bubble p{margin:.15rem 0;font-size:.9rem}.comment-form{display:flex;gap:.5rem;margin-top:.65rem}.comment-form input{flex:1;border:0;background:var(--surface-3);color:var(--text);border-radius:999px;padding:.65rem .85rem}.comment-form button{border:0;color:var(--brand);background:none;font-weight:800}.skeleton-card{height:220px;border-radius:var(--radius);background:linear-gradient(90deg,var(--surface) 25%,var(--surface-3) 40%,var(--surface) 60%);background-size:400% 100%;animation:shimmer 1.4s infinite}@keyframes shimmer{0%{background-position:100% 0}100%{background-position:-100% 0}}
.avatar{display:block;object-fit:cover;border-radius:50%;background:linear-gradient(135deg,#bfdbfe,#ddd6fe);border:1px solid var(--line)}.avatar.xs{width:34px;height:34px}.avatar.sm{width:42px;height:42px}.avatar.md{width:50px;height:50px}.avatar.lg{width:86px;height:86px}.avatar.xl{width:136px;height:136px}.avatar-placeholder{display:grid;place-items:center;font-weight:900;color:#475569}
.view-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.2rem}.view-head h2{margin:0;font-size:clamp(1.6rem,2vw,2.3rem)}.view-head p{margin:.2rem 0;color:var(--muted)}.section-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}.section-card{padding:1rem}.section-card h3{margin:.2rem 0 1rem}.member-grid,.content-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}.member-card,.content-card{overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:16px}.member-card{padding:1rem}.member-card-head{display:flex;gap:.7rem;align-items:center}.member-card .actions{display:flex;gap:.5rem;margin-top:.8rem}.member-card .actions button{flex:1}.content-card img{width:100%;height:150px;object-fit:cover;background:var(--surface-3)}.content-card-body{padding:1rem}.content-card-body h3{margin:0 0 .35rem}.content-card-body p{color:var(--muted);font-size:.88rem;margin:.3rem 0}.content-card-body .actions{display:flex;gap:.5rem;margin-top:.8rem}
.messages-view{max-width:1200px!important}.messages-shell{height:calc(100vh - var(--header-h) - 3rem);min-height:560px;display:grid;grid-template-columns:330px 1fr;overflow:hidden}.conversation-list{border-right:1px solid var(--line);overflow:auto}.conversation-head{display:flex;align-items:center;justify-content:space-between;padding:1rem}.conversation-head h2{margin:0}.conversation-list>.small-search{display:block;width:calc(100% - 2rem);margin:0 1rem .6rem}.conversation-row{display:flex;align-items:center;gap:.7rem;padding:.75rem 1rem;border:0;background:none;color:var(--text);width:100%;text-align:left}.conversation-row:hover,.conversation-row.active{background:var(--surface-3)}.conversation-row .conversation-info{min-width:0;flex:1}.conversation-row strong,.conversation-row small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conversation-row small{color:var(--muted)}.chat-pane{min-width:0;display:flex}.empty-state{margin:auto;text-align:center;color:var(--muted);padding:2rem}.empty-icon{font-size:4rem}.chat-pane>#activeChat{display:grid;grid-template-rows:auto 1fr auto;width:100%;min-width:0}.chat-header{display:flex;align-items:center;gap:.7rem;padding:1rem;border-bottom:1px solid var(--line)}.message-list{overflow:auto;padding:1rem;display:flex;flex-direction:column;gap:.45rem}.message-bubble{max-width:min(75%,560px);padding:.62rem .8rem;border-radius:16px;background:var(--surface-3);align-self:flex-start;white-space:pre-wrap}.message-bubble.mine{background:var(--brand);color:#fff;align-self:flex-end}.message-bubble small{display:block;opacity:.72;font-size:.67rem;margin-top:.2rem}.message-composer{display:flex;gap:.6rem;padding:1rem;border-top:1px solid var(--line)}.message-composer input{flex:1;border:1px solid var(--line);background:var(--surface-3);color:var(--text);border-radius:999px;padding:.75rem 1rem;outline:none}
.profile-hero{overflow:hidden}.profile-cover{height:clamp(220px,30vw,390px);background:linear-gradient(135deg,#1d4ed8,#7c3aed);position:relative}.profile-cover img{width:100%;height:100%;object-fit:cover}.profile-main{padding:0 clamp(1rem,4vw,3rem) 1.2rem;display:flex;align-items:flex-end;gap:1.2rem}.profile-main .avatar{margin-top:-65px;border:5px solid var(--surface);position:relative}.profile-name{flex:1}.profile-name h2{margin:.8rem 0 0;font-size:2rem}.profile-name p{margin:.1rem 0;color:var(--muted)}.profile-bio{padding:1rem clamp(1rem,4vw,3rem);border-top:1px solid var(--line)}.profile-tabs{display:flex;gap:.3rem;border-top:1px solid var(--line);padding:.55rem 1rem}.profile-tabs button{border:0;background:none;padding:.7rem 1rem;color:var(--muted);font-weight:800;border-radius:9px}.profile-tabs button.active{background:var(--brand-soft);color:var(--brand)}
.notifications-panel{position:fixed;z-index:120;right:16px;top:calc(var(--header-h) + 10px);width:min(420px,calc(100vw - 32px));max-height:70vh;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:.6rem}.panel-head{display:flex;justify-content:space-between;align-items:center;padding:.4rem .5rem}.notification-row{padding:.75rem;border-radius:10px;border-bottom:1px solid var(--line)}.notification-row.unread{background:var(--brand-soft)}.notification-row small{color:var(--muted)}
.modal{position:fixed;z-index:1000;inset:0;display:grid;place-items:center;padding:18px}.modal-backdrop{position:absolute;inset:0;background:rgba(8,13,22,.58);backdrop-filter:blur(3px)}.modal-card{position:relative;width:min(620px,100%);max-height:90vh;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:0 28px 80px rgba(0,0,0,.28)}.modal-head{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;padding:1rem;background:var(--surface);border-bottom:1px solid var(--line)}.modal-head h3{margin:0}.modal-body{padding:1rem}.modal-form{display:flex;flex-direction:column;gap:.8rem}.modal-form textarea{min-height:120px;resize:vertical}.preview-image{width:100%;max-height:320px;object-fit:contain;border-radius:12px;background:var(--surface-3)}.toast-stack{position:fixed;z-index:2000;right:18px;bottom:18px;display:flex;flex-direction:column;gap:.6rem}.toast{min-width:260px;max-width:420px;padding:.85rem 1rem;border-radius:12px;background:#172033;color:#fff;box-shadow:var(--shadow);animation:toastin .2s ease}.toast.error{background:#991b1b}.toast.success{background:#166534}@keyframes toastin{from{transform:translateY(12px);opacity:0}to{transform:none;opacity:1}}
.empty-card{padding:2rem;text-align:center;color:var(--muted)}.muted{color:var(--muted)}.pill{display:inline-flex;align-items:center;padding:.25rem .55rem;border-radius:999px;background:var(--surface-3);font-size:.75rem;font-weight:800}.pill.blue{background:var(--brand-soft);color:var(--brand)}.pill.green{background:#dcfce7;color:#166534}.pill.red{background:#fee2e2;color:#991b1b}.price{font-size:1.2rem;font-weight:900}.spacer{flex:1}.row{display:flex;align-items:center;gap:.6rem}.stack{display:flex;flex-direction:column;gap:.6rem}
@media(max-width:1180px){:root{--right-w:0px}.right-rail{display:none}.content-area{margin-right:0}.topbar{grid-template-columns:210px minmax(180px,350px) 1fr auto}}
@media(max-width:920px){:root{--left-w:76px}.left-rail{padding:.7rem}.left-rail>button,.rail-profile{justify-content:center;padding:.7rem}.left-rail>button:not(.rail-profile){font-size:0}.left-rail>button>span{font-size:1.25rem}.rail-profile span,.rail-footer{display:none}.topbar{grid-template-columns:auto 1fr auto}.topbar-brand span:last-child,.top-nav{display:none}.top-actions .account-chip span{display:none}.messages-shell{grid-template-columns:280px 1fr}.auth-screen{grid-template-columns:1fr}.auth-brand{padding-bottom:0}.auth-brand h1{font-size:clamp(2.7rem,10vw,5rem)}.auth-card-wrap{padding-top:24px}}
@media(max-width:680px){:root{--left-w:0px;--header-h:64px}.left-rail{display:none}.content-area{margin-left:0;padding-left:10px;padding-right:10px;padding-bottom:82px}.topbar{padding:0 .6rem;gap:.5rem}.top-search{min-width:0}.top-search input{width:100%}.top-actions .round-btn:first-child{display:none}.account-chip{padding:.25rem}.account-chip span{display:none}.auth-brand{padding:42px 24px 0}.auth-feature-grid{grid-template-columns:1fr}.auth-card-wrap{padding:24px}.two-col,.section-grid{grid-template-columns:1fr}.composer-actions button{font-size:.8rem}.messages-shell{height:calc(100vh - var(--header-h) - 1.2rem);grid-template-columns:1fr}.conversation-list{border-right:0}.chat-pane{position:absolute;inset:var(--header-h) 0 0 0;background:var(--surface);z-index:80;display:none}.messages-shell.chat-open .chat-pane{display:flex}.messages-shell.chat-open .conversation-list{display:none}.profile-main{align-items:flex-start;flex-wrap:wrap}.profile-main .avatar{width:100px;height:100px;margin-top:-50px}.profile-name{min-width:calc(100% - 120px)}.profile-main>.primary-btn{width:100%}.member-grid,.content-grid{grid-template-columns:1fr 1fr}.story-card{flex-basis:104px;height:170px}}
@media(max-width:460px){.member-grid,.content-grid{grid-template-columns:1fr}.auth-card{padding:20px}.top-actions #notificationsBtn{display:none}.modal{padding:8px}.post-card{border-radius:12px}.profile-cover{height:190px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}