:root{--bg:#f6f5f1;--card:#fff;--ink:#1e2420;--muted:#6b726c;--line:#e3e1d9;--accent:#2f6f5e;--accent-ink:#fff;--danger:#b3402f;--unread:#2f6f5e;--radius:12px;color-scheme:light dark}
@media (prefers-color-scheme:dark){:root{--bg:#141815;--card:#1c211d;--ink:#e8ebe6;--muted:#9aa39b;--line:#2a312b;--accent:#5fb89f;--accent-ink:#0d1511;--danger:#e0806f;--unread:#5fb89f}}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font:16px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;-webkit-text-size-adjust:100%}
[hidden]{display:none!important}
h1,h2,h3{margin:0;font-weight:600}
h1{font-size:1.25rem}h2{font-size:1.15rem}h3{font-size:.95rem;margin:18px 0 6px}
.muted{color:var(--muted)}.error{color:var(--danger);margin:8px 0}
button,input,select{font:inherit;color:inherit}
input,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--card)}
input:focus,select:focus,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
label{display:block;margin:12px 0 4px;font-size:.85rem;color:var(--muted)}
.btn{border:1px solid var(--line);background:var(--card);padding:8px 14px;border-radius:10px;cursor:pointer;min-height:40px}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.danger{color:var(--danger)}
.btn:disabled{opacity:.5;cursor:default}
.btn.small{min-height:32px;padding:4px 10px;font-size:.85rem}
.badge{display:inline-block;min-width:22px;padding:1px 8px;border-radius:999px;background:var(--unread);color:var(--accent-ink);font-size:.8rem;font-weight:600;text-align:center;vertical-align:middle}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.login{min-height:100%;display:grid;place-items:center;padding:20px}
.login-card{width:100%;max-width:380px;padding:24px}
.login-card .btn{width:100%;margin-top:12px}
.app{display:flex;flex-direction:column;height:100%;max-width:1200px;margin:0 auto}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;padding-top:max(12px,env(safe-area-inset-top))}
.topbar-actions{display:flex;gap:8px}
.banner{margin:0 16px 8px;padding:10px 12px;border-radius:10px;background:#fff4d6;color:#5a4400;font-size:.9rem}
@media (prefers-color-scheme:dark){.banner{background:#3a3213;color:#f1dd9a}}
.toolbar{padding:0 16px 8px;display:grid;gap:8px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:transparent;border-radius:999px;padding:4px 12px;cursor:pointer;font-size:.88rem}
.chip.active{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.layout{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr);gap:16px;padding:0 16px}
.list-pane{overflow-y:auto;padding-bottom:max(24px,env(safe-area-inset-bottom));min-height:0}
.alias{margin-bottom:10px;overflow:hidden}
.alias-head{width:100%;display:grid;grid-template-columns:1fr auto;gap:2px 10px;text-align:left;padding:12px 14px;background:none;border:0;cursor:pointer}
.alias-addr{font-weight:600;overflow-wrap:anywhere}
.alias-label{color:var(--muted);font-size:.85rem}
.alias-preview{grid-column:1/-1;color:var(--muted);font-size:.88rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.alias-tools{display:flex;gap:6px;flex-wrap:wrap;padding:0 14px 8px;align-items:center}
.code-pill{display:inline-flex;gap:8px;align-items:center;font-family:ui-monospace,Menlo,monospace;font-size:1.05rem;padding:2px 4px 2px 10px;border:1px dashed var(--accent);border-radius:8px}
.msgs{border-top:1px solid var(--line)}
.msg{display:block;width:100%;text-align:left;background:none;border:0;border-bottom:1px solid var(--line);padding:10px 14px;cursor:pointer}
.msg:last-child{border-bottom:0}
.msg.active{background:color-mix(in srgb,var(--accent) 12%,transparent)}
.msg-top{display:flex;justify-content:space-between;gap:8px}
.msg-from{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.msg.unread .msg-from,.msg.unread .msg-subj{font-weight:700}
.msg.unread .msg-from::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--unread);margin-right:6px}
.msg-time{color:var(--muted);font-size:.8rem;white-space:nowrap}
.msg-subj,.msg-snip{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.msg-snip{color:var(--muted);font-size:.88rem}
.more{padding:10px 14px}
.search-results{margin-bottom:12px}
.empty{text-align:center;padding:32px 0}
.reader{position:fixed;left:0;right:0;bottom:0;height:85vh;background:var(--card);border-radius:16px 16px 0 0;border:1px solid var(--line);box-shadow:0 -8px 30px rgba(0,0,0,.2);z-index:20;display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom)}
.scrim{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:10}
.reader-bar{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line)}
.reader-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.reader-body{flex:1;overflow-y:auto;padding:14px;min-height:0}
.reader-body h2{overflow-wrap:anywhere;margin-bottom:6px}
.meta{color:var(--muted);font-size:.88rem;overflow-wrap:anywhere}
.warn{color:var(--danger);font-weight:600}
.reader-code{margin:12px 0}
.links,.atts{list-style:none;padding:0;margin:12px 0}
.links li,.atts li{margin:4px 0;overflow-wrap:anywhere}
a{color:var(--accent)}
.mail-frame{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;min-height:320px;height:55vh}
pre.mail-text{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;margin:12px 0}
dialog{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);color:var(--ink);padding:0;width:min(440px,calc(100% - 24px));max-height:90vh}
dialog::backdrop{background:rgba(0,0,0,.4)}
.dlg{padding:18px}
.dlg-row,.dlg-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.dlg-actions{justify-content:flex-end;margin-top:18px}
.steps{padding-left:20px;margin:6px 0}
.toast{position:fixed;left:50%;bottom:max(20px,env(safe-area-inset-bottom));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:999px;z-index:50;max-width:90%}
@media (min-width:900px){
  .layout{grid-template-columns:minmax(320px,2fr) 3fr}
  .reader{position:static;height:auto;border-radius:var(--radius);box-shadow:none;margin-bottom:16px;padding-bottom:0}
  .scrim{display:none!important}
  .mail-frame{height:60vh}
  .layout:has(.reader[hidden]){grid-template-columns:minmax(0,720px)}
}
@media (prefers-reduced-motion:no-preference){.reader{animation:up .18s ease-out}@keyframes up{from{transform:translateY(20px);opacity:0}}}