@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
:root{--bg:#0a0a0a;--bg1:#111;--bg2:#181818;--bg3:#222;--border:#222;--border2:#2a2a2a;--text:#e5e5e5;--text2:#888;--text3:#555;--accent:#fff;--accent2:#aaa;--danger:#f44;--primary:#e5e5e5;--radius:0;--font:'Inter',system-ui,sans-serif}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{font-size:14px}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--text2);text-decoration:none}
input,textarea,button{font-family:var(--font)}
::selection{background:var(--bg3);color:var(--text)}

@media(min-width:1024px){
.app{display:flex;max-width:100vw;min-height:100vh}
.sidebar{width:220px;position:sticky;top:0;height:100vh;border-right:1px solid var(--border);display:flex;flex-direction:column;padding:20px 0}
.main{flex:1;min-width:0;border-right:1px solid var(--border);min-height:100vh}
.aside{width:300px;position:sticky;top:0;height:100vh;overflow-y:auto;padding:20px 16px}
.bottombar{display:none!important}
}

@media(max-width:1023px){
.sidebar,.aside{display:none!important}
.main{max-width:600px;margin:0 auto}
.bottombar{position:fixed;bottom:0;left:0;right:0;background:var(--bg1);border-top:1px solid var(--border);z-index:100}
.bottombar-inner{display:flex;max-width:600px;margin:0 auto}
.bottombar button{flex:1;display:flex;flex-direction:column;align-items:center;padding:8px 0 6px;border:none;background:none;color:var(--text3);font-size:10px;cursor:pointer;position:relative;gap:2px}
.bottombar button.active{color:var(--text)}
.bottombar button svg{width:22px;height:22px}
.bottombar .badge{position:absolute;top:4px;right:calc(50% - 16px);min-width:14px;height:14px;background:var(--danger);color:#fff;font-size:10px;font-weight:700;display:none;align-items:center;justify-content:center;border-radius:0;padding:0 3px}
.bottombar .badge.show{display:flex}
}

.sidebar .logo{padding:0 20px 24px;font-size:17px;font-weight:700;color:var(--text);letter-spacing:-.3px}
.sidebar .nav-link{display:flex;align-items:center;gap:12px;padding:10px 20px;color:var(--text2);font-size:15px;font-weight:500;cursor:pointer;transition:color .1s}
.sidebar .nav-link:hover{color:var(--text)}
.sidebar .nav-link.active{color:var(--text);font-weight:700}
.sidebar .nav-link svg{width:20px;height:20px;fill:currentColor}
.sidebar .nav-bottom{margin-top:auto;padding:12px 20px;display:flex;align-items:center;gap:10px;cursor:pointer}
.sidebar .nav-avatar{width:32px;height:32px;background:var(--bg3);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;color:var(--text2);flex-shrink:0}
.sidebar .nav-name{font-weight:600;font-size:14px}
.sidebar .nav-handle{color:var(--text3);font-size:12px}

.page-hd{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid var(--border);padding:0 16px;height:48px;display:flex;align-items:center;gap:12px}
.page-hd h2{font-size:16px;font-weight:700;flex:1}
.page-hd .back{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:none;background:none;cursor:pointer;color:var(--text2)}
.page-hd .back:hover{color:var(--text)}

.composer{padding:16px;border-bottom:1px solid var(--border)}
.composer-row{display:flex;gap:12px}
.composer textarea{flex:1;background:none;border:none;color:var(--text);font-size:15px;resize:none;min-height:48px;outline:none;line-height:1.5}
.composer textarea::placeholder{color:var(--text3)}
.composer-actions{display:flex;justify-content:flex-end;margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}

.btn{padding:8px 20px;border:none;font-weight:600;font-size:13px;cursor:pointer;transition:opacity .15s}
.btn-p{background:var(--accent);color:var(--bg)}
.btn-s{background:none;color:var(--text2);border:1px solid var(--border2)}
.btn-d{background:none;color:var(--danger);border:1px solid var(--danger)}
.btn:hover{opacity:.85}
.btn-f{width:100%;padding:12px}

.post{padding:14px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .1s}
.post:hover{background:var(--bg1)}
.post-hd{display:flex;align-items:center;gap:10px}
.post-user{font-weight:600;font-size:14px}
.post-time{color:var(--text3);font-size:12px;margin-left:4px}
.post-body{font-size:14px;line-height:1.55;margin:8px 0 4px;word-break:break-word;white-space:pre-wrap}
.post-imgs{display:grid;gap:2px;margin:8px 0;overflow:hidden}
.post-imgs.i1{grid-template-columns:1fr;max-height:380px}
.post-imgs.i2{grid-template-columns:1fr 1fr}
.post-imgs.i3{grid-template-columns:1fr 1fr}
.post-imgs img{width:100%;height:100%;object-fit:cover;cursor:pointer;transition:opacity .1s}
.post-imgs img:hover{opacity:.92}
.post-acts{display:flex;gap:0;margin-top:6px;color:var(--text3);font-size:12px}
.post-act{display:flex;align-items:center;gap:4px;padding:6px 10px;cursor:pointer;transition:color .1s}
.post-act:hover{color:var(--text2)}
.post-act.liked{color:var(--danger)}
.post-act svg{width:16px;height:16px;fill:currentColor}

.av{width:36px;height:36px;background:var(--bg3);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:var(--text2);flex-shrink:0;overflow:hidden}
.av img{width:100%;height:100%;object-fit:cover}
.av.s{width:28px;height:28px;font-size:11px}
.av.l{width:64px;height:64px;font-size:24px}
.av.xl{width:80px;height:80px;font-size:28px}

.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg)}
.login-box{width:100%;max-width:340px}
.login-title{font-size:22px;font-weight:700;text-align:center;margin-bottom:32px}
.login-box input[type=text],.login-box input[type=password]{width:100%;background:var(--bg2);border:1px solid var(--border2);color:var(--text);font-size:15px;padding:12px 14px;outline:none;margin-bottom:12px;transition:border-color .15s}
.login-box input:focus{border-color:var(--text3)}
.login-msg{color:var(--danger);font-size:12px;text-align:center;margin-top:8px;min-height:18px}
.login-chk{display:flex;align-items:center;gap:8px;margin:16px 0;font-size:12px;color:var(--text3)}
.login-chk input{width:16px;height:16px;accent-color:var(--text)}

.convo{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .1s}
.convo:hover{background:var(--bg1)}
.convo-body{flex:1;min-width:0}
.convo-name{font-weight:600;font-size:14px}
.convo-pre{color:var(--text3);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.convo-meta{flex-shrink:0;text-align:right}
.convo-time{font-size:11px;color:var(--text3)}

.msg-bubble{max-width:70%;padding:10px 14px;font-size:14px;line-height:1.45;word-break:break-word}
.msg-me{background:var(--bg3);color:var(--text);margin-left:auto;border-bottom-right-radius:2px}
.msg-other{background:var(--bg2);color:var(--text);margin-right:auto;border-bottom-left-radius:2px}

.chat-bar{position:sticky;bottom:0;background:var(--bg1);border-top:1px solid var(--border);padding:8px 16px;display:none;align-items:center;gap:8px;z-index:50}
.chat-bar input[type=text]{flex:1;background:var(--bg2);border:1px solid var(--border2);color:var(--text);padding:10px 14px;font-size:14px;outline:none}
.chat-bar input:focus{border-color:var(--text3)}
.chat-bar .send{background:var(--accent);color:var(--bg);border:none;padding:10px 16px;font-weight:700;font-size:13px;cursor:pointer}
.chat-bar .img-btn{background:none;border:none;font-size:18px;cursor:pointer;color:var(--text3)}

.notif{display:flex;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border)}
.notif.unread{background:var(--bg1)}
.notif-dot{width:6px;height:6px;background:var(--accent);flex-shrink:0;margin-top:6px}
.notif-txt{flex:1;font-size:13px;line-height:1.5}
.notif-txt b{font-weight:600}
.notif-time{color:var(--text3);font-size:11px;white-space:nowrap}

.profile-banner{height:120px;background:var(--bg3)}
.profile-info{padding:0 16px;margin-top:-40px;position:relative}
.profile-name{font-size:18px;font-weight:700;margin-top:8px}
.profile-handle{color:var(--text3);font-size:13px}
.profile-bio{margin:8px 0 12px;font-size:14px;line-height:1.5}
.profile-stats{display:flex;gap:16px;margin-bottom:12px}
.profile-stats b{font-weight:700}
.profile-stats span{color:var(--text3);font-size:13px}
.exp-bar{height:3px;background:var(--bg3);margin:8px 0 16px;overflow:hidden}
.exp-fill{height:100%;background:var(--text2);transition:width .6s}
.profile-acts{display:flex;gap:8px}

.edit-form{padding:16px}
.edit-field{margin-bottom:16px}
.edit-field label{display:block;font-size:12px;color:var(--text3);margin-bottom:4px;font-weight:600}
.edit-field input,.edit-field textarea{width:100%;background:var(--bg2);border:1px solid var(--border2);color:var(--text);font-size:15px;padding:10px 12px;outline:none}
.edit-field textarea{min-height:72px;resize:none}

.aside-card{background:var(--bg1);border:1px solid var(--border);padding:16px;margin-bottom:16px}
.aside-card h3{font-size:15px;font-weight:700;margin-bottom:12px}
.aside-card input{width:100%;background:var(--bg2);border:1px solid var(--border2);color:var(--text);padding:10px 12px;font-size:14px;outline:none}
.aside-card input:focus{border-color:var(--text3)}
.trend-item{padding:8px 0;border-bottom:1px solid var(--border);cursor:pointer;font-size:13px;font-weight:600}

.code-block{position:relative;margin:12px 0;border:1px solid var(--border2);background:var(--bg1)}
.code-block .code-hd{display:flex;justify-content:space-between;align-items:center;padding:6px 12px;background:var(--bg2);border-bottom:1px solid var(--border2);font-size:11px;color:var(--text3)}
.code-block .code-copy{background:none;border:1px solid var(--border2);color:var(--text3);padding:2px 8px;font-size:11px;cursor:pointer;font-family:var(--font)}
.code-block .code-copy:hover{color:var(--text);border-color:var(--text3)}
.code-block pre{margin:0;padding:16px;overflow-x:auto;font-size:14px;line-height:1.5;background:none;border:none}
.code-block pre code{background:none;padding:0;font-family:Consolas,Monaco,'Courier New',monospace}
.blog-body img,.md-preview img{max-width:100%;cursor:pointer;border:1px solid var(--border2)}

.empty{text-align:center;padding:48px 24px;color:var(--text3)}
.img-vw{position:fixed;inset:0;background:rgba(0,0,0,.95);z-index:999;display:none;align-items:center;justify-content:center;cursor:pointer}
.img-vw img{max-width:95%;max-height:95%;object-fit:contain}
#toast{position:fixed;bottom:80px;left:50%;transform:translateX(-50%) translateY(16px);background:var(--text);color:var(--bg);padding:8px 20px;font-size:13px;font-weight:600;z-index:500;opacity:0;transition:all .25s;pointer-events:none}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}