:root{--bg:#f6f8fc;--card:#fff;--fg:#1f1f1f;--mu:#5f6368;--bd:#e3e3e3;--hl:#fce8e9;--ac:#E30A17;--sel:#d3e3fd;--unread:#fff;--read:#f2f6fc}
[data-theme=dark]{--bg:#111214;--card:#1e1f22;--fg:#e3e3e3;--mu:#9aa0a6;--bd:#333;--hl:#3a1d20;--ac:#ff5a63;--sel:#2b3a55;--unread:#26272b;--read:#1b1c1f}
*{box-sizing:border-box}body{margin:0;font:14px/1.4 Inter,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--fg)}
.hidden{display:none!important}a{color:var(--ac)}.muted{color:var(--mu)}.small{font-size:12px}.err{color:#d93025;min-height:1em}
.login{min-height:100vh;display:grid;place-items:center;padding:16px}.card{background:var(--card);padding:32px 28px;border-radius:24px;width:100%;max-width:400px;display:grid;gap:12px;text-align:center;box-shadow:0 2px 12px #0001}
.card h1{margin:0;font-size:24px}.card label{text-align:left;display:grid;gap:4px;color:var(--mu)}input,textarea{font:inherit;color:var(--fg);background:var(--card);border:1px solid var(--bd);border-radius:10px;padding:11px 12px;width:100%}
.addr{display:flex;align-items:center;border:1px solid var(--bd);border-radius:10px}.addr input{border:0}.addr span{padding:0 12px;color:var(--mu)}
.btn{border:1px solid var(--bd);background:var(--card);color:var(--fg);border-radius:20px;padding:9px 18px;font-weight:600;cursor:pointer}.btn.primary{background:var(--ac);border-color:var(--ac);color:#fff}.btn.danger{background:#d93025;color:#fff;border-color:#d93025}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg)}
.ib{border:0;background:none;color:var(--fg);font-size:18px;width:40px;height:40px;border-radius:50%;cursor:pointer}.ib:hover{background:var(--bd)}
.brand{display:flex;align-items:center;gap:6px;text-decoration:none;color:var(--fg);font-size:20px}.brand b{color:var(--ac)}.brand span{color:var(--mu)}
.search{flex:1;display:flex;align-items:center;gap:8px;background:var(--card);border-radius:24px;padding:0 14px;max-width:720px}.search input{border:0;background:none}
.avatar{width:34px;height:34px;border-radius:50%;border:0;background:var(--ac);color:#fff;font-weight:700;cursor:pointer}
.side{position:fixed;top:56px;left:0;bottom:0;width:256px;padding:8px 8px 8px 0;overflow:auto;background:var(--bg);transition:transform .2s;z-index:4}
.compose{margin:8px 0 12px 8px;border:0;background:var(--card);box-shadow:0 1px 3px #0003;border-radius:16px;padding:16px 22px;font-weight:600;font-size:15px;color:var(--fg);cursor:pointer}
nav a{display:flex;justify-content:space-between;padding:7px 12px 7px 24px;border-radius:0 18px 18px 0;color:var(--fg);text-decoration:none}nav a.on{background:var(--hl);font-weight:700;color:var(--ac)}nav a:hover:not(.on){background:var(--bd)}nav hr{border:0;border-top:1px solid var(--bd);margin:8px 0}
.main{margin-left:256px;padding:0 16px 80px 0}.tabs{display:flex;background:var(--card);border-radius:16px 16px 0 0;overflow-x:auto}.tabs button{flex:1;min-width:110px;border:0;background:none;color:var(--mu);padding:14px 10px;border-bottom:3px solid transparent;cursor:pointer;font-weight:600}.tabs button.on{color:var(--ac);border-color:var(--ac)}
.list{background:var(--card);border-radius:0 0 16px 16px}.row{display:grid;grid-template-columns:28px 200px 1fr auto;gap:10px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--bd);cursor:pointer;background:var(--read)}.row.unread{background:var(--unread);font-weight:700}.row:hover{box-shadow:inset 1px 0 0 var(--bd),0 1px 3px #0002}
.row .st{border:0;background:none;font-size:18px;cursor:pointer;color:var(--mu)}.row .st.on{color:#f4b400}.row .fr,.row .sb{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.row .sb small{font-weight:400;color:var(--mu)}.row time{font-size:12px;color:var(--mu)}
.empty{padding:48px;text-align:center;color:var(--mu)}.reader{background:var(--card);border-radius:16px;padding:16px 20px}.reader h2{font-weight:400;margin:8px 0 12px}.reader iframe{width:100%;min-height:60vh;border:0;background:#fff;border-radius:8px}.rbar{display:flex;gap:6px;flex-wrap:wrap}
.modal{position:fixed;inset:0;background:#0006;display:flex;align-items:flex-end;justify-content:flex-end;z-index:20}.sheet{background:var(--card);width:100%;max-width:560px;margin:0 24px 0 0;border-radius:12px 12px 0 0;display:grid;gap:6px;padding:0 12px 12px}.sh{display:flex;justify-content:space-between;align-items:center;margin:0 -12px;padding:4px 12px;background:var(--bg);border-radius:12px 12px 0 0}.sf{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.sheet.call{max-width:640px;margin:auto;border-radius:16px}.sheet.call .sh{border-radius:16px 16px 0 0}#rv{width:100%;max-height:60vh;background:#000;border-radius:10px}#lv{width:120px;position:absolute;right:30px;margin-top:-140px;border-radius:8px;background:#222}
.fab{display:none;position:fixed;right:16px;bottom:20px;border:0;background:var(--hl);color:var(--ac);font-weight:700;padding:16px 20px;border-radius:16px;box-shadow:0 2px 8px #0004;z-index:6}
.toast{position:fixed;left:16px;bottom:16px;background:#323232;color:#fff;padding:12px 18px;border-radius:8px;z-index:30}
@media(max-width:820px){.side{transform:translateX(-100%);box-shadow:4px 0 12px #0003;background:var(--card)}.side.open{transform:none}.main{margin:0;padding:0 0 90px}.brand span,.brand b{display:none}.row{grid-template-columns:28px 1fr auto;grid-template-areas:"s f t" "s b b"}.row .st{grid-area:s}.row .fr{grid-area:f}.row .sb{grid-area:b}.row time{grid-area:t}.fab{display:block}.compose{display:none}.tabs,.list{border-radius:0}.sheet{margin:0;max-width:none;height:100%;border-radius:0;align-content:start}.modal{align-items:stretch}}
.chip{display:inline-block;border:1px solid;border-radius:6px;padding:0 6px;font-size:11px;margin-right:4px;font-weight:600}.tabs em{font-style:normal;background:var(--ac);color:#fff;border-radius:10px;padding:1px 7px;font-size:11px;margin-left:4px}
.sheet label{display:grid;gap:4px;color:var(--mu);margin:4px 0}select.btn{padding:8px 10px}
.edhost{border:1px solid var(--bd);border-radius:10px;overflow:hidden}.edbar{display:flex;flex-wrap:wrap;gap:2px;padding:4px;background:var(--bg);border-bottom:1px solid var(--bd);position:sticky;top:0}.edbar button{border:0;background:none;color:var(--fg);min-width:32px;height:32px;border-radius:6px;cursor:pointer;font-size:14px}.edbar button:hover{background:var(--bd)}.edsep{width:1px;background:var(--bd);margin:4px 3px}
.ed{min-height:220px;max-height:50vh;overflow:auto;padding:12px;outline:none;line-height:1.55}.ed:empty::before{content:attr(data-ph);color:var(--mu)}.ed blockquote{border-left:3px solid var(--bd);margin:6px 0;padding-left:10px;color:var(--mu)}.ed img{max-width:100%}.ed .sig{color:var(--mu)}
@media(max-width:820px){.ed{min-height:40vh}}
.rimg{background:var(--hl);border-radius:10px;padding:8px 12px;margin:8px 0;display:flex;gap:10px;align-items:center;flex-wrap:wrap}.reader iframe{min-height:160px}
.atts{margin-top:14px;border-top:1px solid var(--bd);padding-top:10px}.atts h4{margin:4px 0 10px}.agrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}.att{margin:0;border:1px solid var(--bd);border-radius:12px;overflow:hidden;background:var(--bg)}.att.wide{grid-column:1/-1}.att img{display:block;width:100%;height:140px;object-fit:cover;cursor:zoom-in;background:#fff}.att video{display:block;width:100%;max-height:60vh;background:#000}.att audio{display:block;width:100%;margin:10px 0 0}.att .pdf{display:block;width:100%;height:70vh;min-height:0;border:0;background:#fff}
.aic{font-size:40px;text-align:center;padding:18px 0}.acap{display:flex;flex-wrap:wrap;gap:4px 8px;align-items:center;padding:8px 10px;font-size:12px}.acap b{flex:1 1 100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.acap span{color:var(--mu)}.adl{margin-left:auto;font-weight:700}
.lb{position:fixed;inset:0;background:#000d;z-index:50;display:grid;place-items:center;cursor:zoom-out}.lb img{max-width:95vw;max-height:92vh;border-radius:6px}.lb .ib{position:fixed;top:12px;right:12px;color:#fff;background:#0006}