:root{
  --ink:#1a1a1a; --sub:#6b6b6b; --bg:#ffffff; --panel:#fafafa;
  --line:#e3e3e3; --line-strong:#c9c9c9;
  --accent:#1a1a1a; --link:#2456c8;
  --ok:#1a7f37; --danger:#b3261e; --danger-bg:#fdecec;
  --r:6px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  background:var(--bg);color:var(--ink);
  font:15px/1.55 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-text-size-adjust:100%;
}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

.shell{height:100vh;height:100dvh;display:flex;flex-direction:column;overflow:hidden}
header.top{border-bottom:1px solid var(--line);background:var(--bg);flex:0 0 auto}
.top-in{display:flex;align-items:center;gap:22px;padding:14px 34px;flex-wrap:wrap;width:100%}
.brand{font-size:16px;font-weight:700;letter-spacing:-.01em}
.brand b{color:var(--sub);font-weight:700}
.nav{display:flex;gap:4px}
.nav button{
  background:none;border:0;padding:7px 11px;cursor:pointer;border-radius:var(--r);
  font:500 13px/1 inherit;color:var(--sub);
}
.nav button:hover{color:var(--ink);background:var(--panel)}
.nav button.on{color:var(--ink);background:#efefef;font-weight:600}
.grow{flex:1}
.who{font-size:12.5px;color:var(--sub)}
.who b{color:var(--ink);font-weight:600}
.who button{background:none;border:0;color:var(--link);cursor:pointer;font:inherit;padding:0}
.who button:hover{text-decoration:underline}

main{flex:1 1 auto;min-height:0;overflow-y:auto;padding:28px 34px 40px}
.page{width:100%;height:100%;display:flex;flex-direction:column;min-height:0}
.page>*{min-height:0}
.page>.view-fill{flex:1 1 auto}
h1{font-size:21px;margin:0 0 16px;font-weight:650;letter-spacing:-.01em;flex:0 0 auto}

.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card+.card{margin-top:12px}
.narrow{max-width:380px}
.stack{display:flex;flex-direction:column;gap:14px}
.stack>*+*{margin-top:0 !important}
.err[hidden]{display:none !important}

.auth-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start;width:100%}
.auth-grid .card{display:flex;flex-direction:column;gap:14px}
.card-title{margin:0 !important;font-size:16px;font-weight:650;letter-spacing:-.01em}
.section-h{font-size:15px;font-weight:650;margin:22px 0 10px;letter-spacing:-.01em}
@media(max-width:640px){.auth-grid{grid-template-columns:1fr}}

input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus{
  -webkit-text-fill-color:var(--ink);
  -webkit-box-shadow:0 0 0 40px var(--bg) inset;
  box-shadow:0 0 0 40px var(--bg) inset;
  caret-color:var(--ink);
  transition:background-color 9999s ease-in-out 0s;
}

label{display:block;font:500 13px/1.3 inherit;color:var(--ink);margin:0 0 6px}
input[type=text],input[type=password],input[type=file],textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line-strong);background:var(--bg);
  color:var(--ink);font:14px/1.4 inherit;border-radius:var(--r);height:38px;box-sizing:border-box}
input[type=file]{height:auto;padding:8px 11px}
textarea{resize:vertical;min-height:84px;height:auto}
input:focus,textarea:focus{outline:2px solid var(--ink);outline-offset:-1px;border-color:var(--ink)}

.btn{
  display:inline-block;padding:9px 16px;border:1px solid var(--accent);background:var(--accent);
  color:#fff;font:500 13.5px/1 inherit;cursor:pointer;border-radius:var(--r)}
.btn:hover{background:#000;border-color:#000}
.btn.ghost{background:none;color:var(--ink);border-color:var(--line-strong)}
.btn.ghost:hover{background:var(--panel);border-color:var(--ink)}
.btn.sm{padding:6px 12px;font-size:12.5px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn:focus-visible,.nav button:focus-visible,.chip:focus-visible,.who button:focus-visible{
  outline:2px solid var(--ink);outline-offset:2px}

.row{display:flex;gap:8px;align-items:flex-end}
.row input,.row .field{flex:1}
.row .btn{white-space:nowrap}

.meta{font-size:12.5px;color:var(--sub)}
.empty{color:var(--sub);padding:18px 0;font-size:14px}
.err{background:var(--danger-bg);color:var(--danger);border:1px solid #f3c9c6;
  border-radius:var(--r);padding:9px 12px;font-size:13.5px}
.note{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:12px 14px;font-size:13.5px;line-height:1.55;color:#3d3d3d}
.note b{color:var(--ink)}
hr{border:0;border-top:1px solid var(--line);margin:20px 0}

.msg{padding:10px 0 4px;margin-top:6px}
.msg:first-child{margin-top:0}
.msg-head{margin-bottom:2px}
.msg-head .name{font-weight:600;font-size:13.5px}
.msg-head .t{font-size:11.5px;color:var(--sub);margin-left:7px}
.msg-line{font-size:14px;line-height:1.5;padding:1px 0;word-break:break-word}
.view-fill{display:flex;flex-direction:column;height:100%;min-height:0}
.view-fill .row{flex:0 0 auto}
#log{background:var(--bg);border:1px solid var(--line);border-radius:var(--r);
  flex:1 1 auto;min-height:0;max-height:calc(100dvh - 250px);overflow-y:auto;padding:8px 16px}

.bull{border-bottom:1px solid var(--line);padding:16px 0;cursor:pointer}
.bull:first-child{padding-top:0}
.bull:last-child{border-bottom:0}
.bull:hover h3{text-decoration:underline}
.bull h3{margin:0 0 2px;font-size:15.5px;font-weight:600}
.bull:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:var(--r)}
.bull-tags{display:flex;gap:14px;margin-top:8px}
.tag{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--sub)}
.tag svg{opacity:.8}
.bull-body{margin-top:10px;font-size:14.5px;line-height:1.6;word-break:break-word}
.bull-img,.comment-img{margin-top:12px}
.comment{padding:12px 0;border-bottom:1px solid var(--line)}
.comment:last-child{border-bottom:0}

.dm-group{margin-top:10px}
.dm-group:first-child{margin-top:0}
.dm-head{margin-bottom:2px}
.dm-head .name{font-weight:600;font-size:13.5px}
.dm-head .t{font-size:11.5px;color:var(--sub);margin-left:7px}
.dm-group.mine .dm-head .name{color:var(--sub)}
.dm-line{font-size:14px;line-height:1.5;padding:1px 0;word-break:break-word}
.dm-line.cont{padding-top:2px}
.thread-pick{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.chip{border:1px solid var(--line-strong);background:var(--bg);padding:6px 13px;cursor:pointer;
  border-radius:var(--r);font:13px/1 inherit;color:var(--ink)}
.chip:hover{border-color:var(--ink)}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}

.pimg{position:relative;width:100%;background-color:var(--panel);background-size:cover;
  background-position:center;background-repeat:no-repeat;user-select:none;-webkit-user-select:none;
  -webkit-user-drag:none;border-radius:var(--r)}
.pimg::after{content:"";position:absolute;inset:0}
.pimg.dl::after{content:none}
.bull-img .pimg,.comment-img .pimg{max-width:420px;aspect-ratio:4/3}
.pimg-dl{position:absolute;top:8px;right:8px;z-index:2;display:inline-flex;align-items:center;
  justify-content:center;width:30px;height:30px;border:1px solid var(--line-strong);
  background:var(--bg);color:var(--ink);border-radius:var(--r);cursor:pointer;padding:0}
.pimg-dl:hover{border-color:var(--ink)}
.pimg-dl:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

.setting-row{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-top:12px}
.setting-label{font-weight:600;font-size:14px}
.toggle{flex:0 0 auto;width:42px;height:24px;border-radius:12px;border:1px solid var(--line-strong);
  background:var(--panel);position:relative;cursor:pointer;padding:0;transition:background .15s,border-color .15s}
.toggle.on{background:var(--ink);border-color:var(--ink)}
.toggle-knob{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;
  background:var(--bg);box-shadow:0 1px 2px rgba(0,0,0,.2);transition:left .15s}
.toggle.on .toggle-knob{left:22px}
.toggle:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

.gal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:16px}
.gal-tile{border:1px solid var(--line);background:var(--bg);border-radius:var(--r);
  cursor:pointer;overflow:hidden}
.gal-tile:hover{border-color:var(--line-strong)}
.gal-thumb{width:100%;height:130px;border-radius:0}
.gal-tile .cap{padding:8px 10px;font-size:12px;line-height:1.4}
.list-item{border:1px solid var(--line);background:var(--bg);border-radius:var(--r);
  padding:13px 16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.list-item+.list-item{margin-top:8px}
.list-item:hover{border-color:var(--ink)}

#log::-webkit-scrollbar,.scroll::-webkit-scrollbar{width:8px}
#log::-webkit-scrollbar-thumb,.scroll::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:4px}
#log::-webkit-scrollbar-track,.scroll::-webkit-scrollbar-track{background:transparent}

.modal-veil{position:fixed;inset:0;background:rgba(20,20,20,.35);display:flex;
  align-items:center;justify-content:center;padding:20px;z-index:50}
.modal{background:var(--bg);border:1px solid var(--line-strong);border-radius:8px;
  max-width:400px;width:100%;padding:22px;box-shadow:0 8px 30px rgba(0,0,0,.10)}
.modal h2{margin:0 0 6px;font-size:16px;font-weight:650}
.modal .actions{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}

.overlay-img{position:fixed;inset:0;background:rgba(15,15,15,.88);display:flex;
  align-items:center;justify-content:center;padding:30px;z-index:60;cursor:zoom-out}
.overlay-img .pimg{width:min(90vw,1100px);height:min(85vh,800px);background-size:contain;background-color:transparent}

.detail-veil{position:fixed;inset:0;background:rgba(15,15,15,.92);display:flex;
  align-items:center;justify-content:center;padding:28px;z-index:60}
.detail{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 340px;
  width:min(1040px,92vw);height:min(680px,86vh);background:var(--bg);
  border:1px solid var(--line-strong);border-radius:8px;overflow:hidden}
.detail-x{position:absolute;top:12px;right:12px;z-index:3;width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.92);color:#111;border-radius:var(--r);cursor:pointer;padding:0}
.detail-x:hover{background:#fff}
.detail-x:focus-visible{outline:2px solid var(--ink);outline-offset:2px}
.detail-img{background:#111214;display:flex;align-items:center;justify-content:center;min-width:0}
.detail-img .pimg{width:100%;height:100%;background-size:contain;background-color:#111214;border-radius:0}
.detail-side{display:flex;flex-direction:column;padding:22px;overflow-y:auto;gap:14px;border-left:1px solid var(--line)}
.detail-author{font-weight:650;font-size:16px;line-height:1.2}
.detail-meta .meta{margin-top:2px}
.detail-cap{margin-top:10px;font-size:14px;line-height:1.55;word-break:break-word}
.detail-share{display:flex;flex-direction:column;gap:6px}
.detail-share input{font-size:12px}
.detail-comments{flex:1 1 auto;min-height:60px}
.detail-add{display:flex;flex-direction:column;gap:8px;border-top:1px solid var(--line);padding-top:14px}
.detail-add textarea{min-height:58px}
@media(max-width:720px){.detail{grid-template-columns:1fr;grid-template-rows:minmax(240px,1fr) auto;height:90vh}
  .detail-side{border-left:0;border-top:1px solid var(--line)}}

.center{min-height:60vh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px}
.spinner{width:24px;height:24px;border:2px solid var(--line);border-top-color:var(--ink);
  border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spinner{animation-duration:2s}}

@media(max-width:560px){.top-in{gap:10px}.brand{width:100%}main{padding:22px 16px 56px}}