@font-face{font-family:"Inter";src:url("/static/InterVariable.woff2") format("woff2");font-weight:100 900;font-display:swap}
:root{
  --bg:#f5f6fa;--panel:#fff;--line:#e8eaf0;--line-soft:#f0f2f6;--text:#111827;--muted:#6b7280;--faint:#9ca3af;
  --accent:#4f46e5;--accent-2:#7c3aed;--accent-soft:#eef0ff;--danger:#dc2626;--ok:#059669;
  --radius:12px;--shadow:0 1px 2px rgba(17,24,39,.04),0 4px 16px rgba(17,24,39,.06);
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body,#app{height:100%}
body{margin:0;font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;font-size:14px;line-height:1.5;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;font-feature-settings:"cv11","ss01"}
button,input{font:inherit;color:inherit}
a{color:var(--accent)}
svg.i{width:16px;height:16px;flex:none;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* ---------- buttons & inputs */
.btn{display:inline-flex;align-items:center;gap:7px;height:34px;padding:0 13px;border-radius:9px;border:1px solid var(--line);background:#fff;
  font-weight:550;font-size:13px;cursor:pointer;color:#374151;text-decoration:none;white-space:nowrap;transition:background .15s,border-color .15s}
.btn:hover{background:#f9fafb;border-color:#d9dce4}
.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));border-color:transparent;color:#fff;box-shadow:0 1px 2px rgba(79,70,229,.3)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.danger{color:var(--danger)}
.btn.danger:hover{background:#fef2f2;border-color:#fecaca}
.btn.icon{width:34px;padding:0;justify-content:center}
.btn:disabled{opacity:.55;cursor:default}
.field{display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:#fff;transition:border-color .15s,box-shadow .15s}
.field:focus-within{border-color:#a5b4fc;box-shadow:0 0 0 3px rgba(99,102,241,.15)}
.field input{border:0;outline:0;background:transparent;flex:1;min-width:0;height:100%}
.field svg{color:var(--faint)}

/* ---------- sign in */
.login{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:radial-gradient(1200px 500px at 10% -10%,#e0e7ff 0,transparent 60%),radial-gradient(900px 500px at 110% 110%,#ede9fe 0,transparent 55%),var(--bg)}
.login .card{width:100%;max-width:400px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px 32px 28px;box-shadow:0 10px 40px rgba(30,27,75,.08)}
.login h1{font-size:22px;letter-spacing:-.02em;margin:22px 0 6px;font-weight:700}
.login p.sub{margin:0 0 24px;color:var(--muted)}
.login label{display:block;font-size:12.5px;font-weight:600;color:#374151;margin:14px 0 6px}
.login .btn.primary{width:100%;height:42px;justify-content:center;font-size:14px;margin-top:20px}
.login .error{color:var(--danger);font-size:13px;min-height:20px;margin-top:12px}
.login .foot{margin-top:18px;color:var(--faint);font-size:12px;text-align:center}

/* ---------- brand */
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.02em}
.brand img{width:28px;height:28px}
.brand .tag{font-weight:600;font-size:11px;letter-spacing:.02em;color:var(--accent);background:var(--accent-soft);padding:2px 8px;border-radius:999px}

/* ---------- shell */
.shell{height:100%;display:flex;flex-direction:column}
header.top{height:58px;flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 18px;background:#fff;border-bottom:1px solid var(--line)}
header.top .right{display:flex;align-items:center;gap:8px}
.user{display:flex;align-items:center;gap:8px;padding:4px 10px 4px 4px;border:1px solid var(--line);border-radius:999px;font-weight:550;font-size:13px}
.av{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:650;font-size:12px;flex:none;letter-spacing:.02em}
.av.lg{width:40px;height:40px;font-size:15px}
.main{flex:1;min-height:0;display:grid;grid-template-columns:400px 1fr}

/* ---------- list */
.list{display:flex;flex-direction:column;min-height:0;background:#fff;border-right:1px solid var(--line)}
.list .tools{display:flex;gap:8px;padding:14px 14px 10px}
.list .tools .field{flex:1}
.list .meta{display:flex;align-items:center;justify-content:space-between;padding:2px 16px 10px;color:var(--muted);font-size:12.5px}
.list .meta .live{display:inline-flex;align-items:center;gap:6px}
.list .meta .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(5,150,105,.15)}
.list .meta button{border:0;background:none;color:var(--muted);cursor:pointer;font-size:12.5px;padding:2px 4px;border-radius:6px}
.list .meta button:hover{color:var(--danger);background:#fef2f2}
.items{flex:1;overflow:auto;border-top:1px solid var(--line-soft)}
.item{display:flex;gap:12px;padding:13px 16px;border-bottom:1px solid var(--line-soft);cursor:pointer;position:relative;transition:background .12s}
.item:hover{background:#fafbff}
.item.sel{background:var(--accent-soft)}
.item.sel::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:0 3px 3px 0;background:linear-gradient(var(--accent),var(--accent-2))}
.item .body{flex:1;min-width:0}
.item .row1{display:flex;align-items:baseline;gap:8px}
.item .from{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#374151}
.item .time{flex:none;font-size:12px;color:var(--faint)}
.item .subj{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#4b5563;margin-top:1px}
.item .to{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--faint);margin-top:3px;overflow:hidden;white-space:nowrap}
.item .to span{overflow:hidden;text-overflow:ellipsis}
.item.unread .from{font-weight:650;color:var(--text)}
.item.unread .subj{color:var(--text);font-weight:550}
.item.unread .time{color:var(--accent);font-weight:600}
.item .clip{color:var(--faint);width:14px;height:14px}
.empty-list{padding:40px 24px;text-align:center;color:var(--muted)}

/* ---------- viewer */
.viewer{min-width:0;min-height:0;display:flex;flex-direction:column;padding:18px 22px 22px;gap:14px}
.viewer .card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.msghead{padding:20px 22px 16px}
.msghead .top{display:flex;align-items:flex-start;gap:14px}
.msghead h2{flex:1;margin:0;font-size:21px;line-height:1.3;letter-spacing:-.02em;font-weight:700;word-break:break-word}
.msghead .acts{display:flex;gap:8px;flex:none}
.people{display:flex;gap:12px;margin-top:16px;align-items:flex-start}
.people .who{flex:1;min-width:0}
.people .name{font-weight:650}
.people .addr{color:var(--muted)}
.people .line{color:var(--muted);font-size:13px;margin-top:2px;word-break:break-word}
.people .line b{color:#374151;font-weight:550}
.people .date{color:var(--muted);font-size:12.5px;white-space:nowrap;text-align:right}
.badges{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end;margin-top:6px}
.badge{font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;background:#f3f4f6;color:#4b5563}
.badge.ok{background:#ecfdf5;color:var(--ok)}
.badge.warn{background:#fffbeb;color:#b45309}
.atts{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.att{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid var(--line);border-radius:10px;background:#fafafb;text-decoration:none;color:#374151;font-size:13px;max-width:280px}
.att:hover{border-color:#c7d2fe;background:var(--accent-soft)}
.att span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.att small{color:var(--faint);flex:none}
.content{flex:1;min-height:0;display:flex;flex-direction:column;overflow:hidden}
.tabs{display:flex;gap:2px;padding:8px;border-bottom:1px solid var(--line-soft)}
.tab{border:0;background:none;padding:6px 12px;border-radius:8px;font-weight:550;font-size:13px;color:var(--muted);cursor:pointer}
.tab:hover{color:var(--text);background:#f6f7fa}
.tab.on{color:var(--accent);background:var(--accent-soft)}
.pane{flex:1;min-height:0;overflow:auto;position:relative}
.pane iframe{border:0;width:100%;height:100%;display:block;background:#fff}
.pane pre{margin:0;padding:18px 20px;font:12.5px/1.6 var(--mono);white-space:pre-wrap;word-break:break-word;color:#1f2937}
.pane table{width:100%;border-collapse:collapse;font-size:13px}
.pane td{padding:8px 18px;border-bottom:1px solid var(--line-soft);vertical-align:top;word-break:break-word}
.pane td:first-child{width:200px;color:var(--muted);font-weight:550;white-space:nowrap}
.pane .note{padding:28px;color:var(--muted);text-align:center}
.placeholder{flex:1;display:grid;place-items:center;padding:24px}
.placeholder .card{max-width:560px;width:100%;padding:28px}
.placeholder h3{margin:0 0 6px;font-size:18px;letter-spacing:-.01em}
.placeholder p{margin:0 0 18px;color:var(--muted)}
.kv{display:grid;grid-template-columns:auto 1fr auto;gap:8px 14px;align-items:center;font-size:13.5px}
.kv .k{color:var(--muted)}
.kv .v{font-family:var(--mono);font-size:13px;word-break:break-all}
.copy{border:1px solid var(--line);background:#fff;border-radius:7px;padding:3px 8px;font-size:12px;cursor:pointer;color:#4b5563}
.copy:hover{border-color:#c7d2fe;color:var(--accent)}
.snip{margin-top:18px}
.snip .bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;font-weight:600;font-size:13px}
.snip pre{margin:0;background:#0f172a;color:#e2e8f0;border-radius:10px;padding:14px 16px;font:12.5px/1.6 var(--mono);overflow:auto}
.back{display:none;align-self:flex-start}
.people .when{text-align:right}

/* ---------- modal & toast */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.35);display:grid;place-items:center;padding:20px;z-index:20;backdrop-filter:blur(2px)}
.modal .card{background:#fff;border-radius:16px;max-width:600px;width:100%;max-height:90vh;overflow:auto;padding:24px 24px 20px;box-shadow:0 20px 60px rgba(15,23,42,.25)}
.modal .head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.modal h3{margin:0;font-size:18px}
#toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%) translateY(20px);background:#111827;color:#fff;padding:9px 14px;border-radius:10px;font-size:13px;
  opacity:0;pointer-events:none;transition:all .2s;z-index:30}
#toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- small screens */
@media (max-width: 860px){
  .main{grid-template-columns:1fr}
  .viewer{display:none;padding:12px}
  .shell.viewing .list{display:none}
  .shell.viewing .viewer{display:flex}
  .back{display:inline-flex}
  .msghead{padding:16px}
  .msghead h2{font-size:18px}
  .msghead .acts .label{display:none}
  .user .nm{display:none}
  header.top .hide-sm{display:none}
  .pane td:first-child{width:120px}
  .people{flex-wrap:wrap}
  .people .when{flex-basis:100%;display:flex;align-items:center;gap:10px;padding-left:52px;text-align:left}
  .people .when .badges{margin-top:0}
}