:root{--bg:#f6f4ef;--surface:#fffdf8;--surface-strong:#fff;--ink:#17201b;--muted:#68736f;--line:#ded9cf;--teal:#0f766e;--teal-dark:#115e59;--coral:#d95d39;--gold:#b7791f;--shadow:0 18px 50px #222a261f;--radius:8px;color:var(--ink);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Bahnschrift,Aptos,Noto Sans SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit;text-decoration:none}h1,h2,p{margin:0}h1{font-size:34px;font-weight:800;line-height:1.08}h2{font-size:24px}.app-shell{grid-template-columns:236px minmax(0,1fr);min-height:100svh;display:grid}.auth-shell{display:block}.app-loader{z-index:100;background:linear-gradient(120deg, #0f766e1a, transparent 42%), linear-gradient(320deg, #d95d391a, transparent 46%), var(--bg);place-items:center;display:grid;position:fixed;inset:0}.app-loader-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);width:min(360px,100vw - 40px);box-shadow:var(--shadow);grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px 12px;padding:22px;display:grid}.app-loader-panel p{color:var(--muted);margin-top:2px}.loader-meter{background:#efe9dc;border-radius:999px;grid-column:1/-1;height:6px;margin-top:8px;overflow:hidden}.loader-meter:before{content:"";border-radius:inherit;background:var(--teal);width:42%;height:100%;animation:1.05s ease-in-out infinite loader-slide;display:block}.loader-fade-enter-active,.loader-fade-leave-active{transition:opacity .22s}.loader-fade-enter-from,.loader-fade-leave-to{opacity:0}@keyframes loader-slide{0%{transform:translate(-110%)}to{transform:translate(260%)}}.side-nav{border-right:1px solid var(--line);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);background:#fffdf8e0;flex-direction:column;gap:24px;height:100svh;padding:22px 16px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:10px;min-height:48px;display:flex}.brand-mark,.avatar{background:var(--ink);color:#fffdf8;border-radius:50%;flex:none;place-items:center;width:40px;height:40px;font-weight:800;display:inline-grid}.brand small,.author-line small,.profile-hero small{color:var(--muted);margin-top:2px;display:block}.side-nav nav{gap:6px;display:grid}.nav-link,.ghost-button,.secondary-button,.primary-button,.icon-button{border-radius:var(--radius);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;min-height:40px;transition:background .18s,border-color .18s,transform .18s;display:inline-flex}.nav-link{color:var(--muted);justify-content:flex-start;padding:10px 12px}.nav-link.router-link-active{color:var(--ink);background:#e8f3ef;border-color:#b9d9ce}.logout-button{margin-top:auto}.workspace{min-width:0;padding:28px}.page-stack{gap:18px;width:min(880px,100%);margin:0 auto;display:grid}.page-header{justify-content:space-between;align-items:center;gap:16px;min-height:56px;display:flex}.page-header.compact h1{font-size:28px}.eyebrow{color:var(--coral);text-transform:uppercase;letter-spacing:0;margin-bottom:6px;font-size:13px;font-weight:800}.composer,.post-item,.form-surface,.notice-item button,.conversation-list,.message-panel,.profile-hero{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow)}.composer{gap:12px;padding:16px;display:grid}textarea,input{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-strong);width:100%;color:var(--ink);outline:none;padding:11px 12px}textarea:focus,input:focus{border-color:var(--teal);box-shadow:0 0 0 3px #0f766e1f}.composer-actions,.post-actions,.profile-actions{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:10px;display:flex}.primary-button{color:#fff;background:var(--teal);border-color:var(--teal);padding:0 14px}.primary-button:hover{background:var(--teal-dark)}.primary-button:disabled{opacity:.55;cursor:not-allowed}.secondary-button{color:#5b3b0f;background:#fff5e2;border-color:#eed39d;padding:0 14px}.ghost-button{color:var(--muted);background:0 0;padding:0 10px}.ghost-button:hover,.icon-button:hover{background:#edf5f2}.icon-button{background:var(--surface-strong);border-color:var(--line);width:40px;padding:0}.feed-list{gap:14px;display:grid}.post-item{gap:14px;padding:16px;display:grid}.author-line{align-items:center;gap:10px;display:flex}.post-content{white-space:pre-wrap;line-height:1.65}.media-grid{grid-template-columns:repeat(auto-fit,minmax(118px,1fr));gap:8px;display:grid}.media-grid img{aspect-ratio:1;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line);width:100%}.comment-box{border-top:1px solid var(--line);gap:10px;padding-top:12px;display:grid}.comment-line{color:var(--muted);gap:8px;display:flex}.comment-line strong{color:var(--ink)}.inline-form{grid-template-columns:minmax(0,1fr) 40px;gap:8px;display:grid}.auth-panel{background:linear-gradient(120deg, #0f766e1f, transparent 45%), linear-gradient(320deg, #d95d3921, transparent 42%), var(--bg);grid-template-columns:minmax(0,1fr) 420px;align-items:center;gap:32px;min-height:100svh;padding:48px;display:grid}.auth-copy{gap:18px;max-width:680px;display:grid}.auth-copy h1{max-width:760px;font-size:clamp(42px,8vw,84px)}.auth-copy p:not(.eyebrow){color:var(--muted);font-size:18px;line-height:1.7}.form-surface{gap:14px;padding:22px;display:grid}.form-surface.wide{width:100%;max-width:680px}.form-surface label{color:var(--muted);gap:7px;display:grid}.form-surface label span{color:var(--ink);font-weight:700}.text-link{color:var(--teal);text-align:center;font-weight:700}.error-text{color:#b42318}.success-text{color:var(--teal)}.empty-state{color:var(--muted);text-align:center;padding:26px}.chat-layout{grid-template-columns:320px minmax(0,1fr);gap:16px;height:calc(100svh - 56px);display:grid}.conversation-list{flex-direction:column;gap:12px;min-width:0;padding:16px;display:flex}.conversation-item{border:1px solid var(--line);border-radius:var(--radius);color:var(--muted);gap:6px;padding:12px;display:grid}.conversation-item.router-link-active{border-color:var(--teal);color:var(--ink);background:#e8f3ef}.message-panel{grid-template-rows:auto minmax(0,1fr) auto;min-width:0;display:grid;overflow:hidden}.message-header,.message-form{border-bottom:1px solid var(--line);padding:14px}.message-form{border-top:1px solid var(--line);border-bottom:none;grid-template-columns:minmax(0,1fr) auto;gap:10px;display:grid}.message-list{flex-direction:column;gap:10px;padding:16px;display:flex;overflow:auto}.message-bubble{border-radius:var(--radius);background:#efe9dc;align-self:flex-start;gap:4px;max-width:min(70%,520px);padding:10px 12px;display:grid}.message-bubble.mine{background:var(--teal);color:#fff;align-self:flex-end}.message-bubble small{opacity:.72}.notice-item{list-style:none}.notice-item button{text-align:left;width:100%;color:var(--muted);gap:5px;padding:16px;display:grid}.notice-item.unread button{background:#fff8f1;border-color:#f0b39f}.notice-item strong{color:var(--ink)}.profile-hero{grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:20px;padding:24px;display:grid}.avatar.large{background:var(--coral);width:88px;height:88px;font-size:36px}@media (width<=860px){.app-shell{padding-bottom:72px;display:block}.side-nav{z-index:10;border-right:none;border-top:1px solid var(--line);flex-direction:row;align-items:center;height:64px;padding:8px;position:fixed;inset:auto 0 0}.brand,.logout-button{display:none}.side-nav nav{grid-template-columns:repeat(5,1fr);gap:4px;width:100%;display:grid}.nav-link{justify-content:center;min-height:48px;padding:6px}.nav-link span{display:none}.workspace{padding:18px}.auth-panel{grid-template-columns:1fr;padding:24px}.auth-copy h1{font-size:42px}.chat-layout{grid-template-columns:1fr;height:auto}.message-panel{min-height:62svh}.profile-hero{grid-template-columns:1fr}.profile-actions{justify-content:flex-start}}