:root{color-scheme:light;--bg:#f4f6f8;--panel:#fff;--text:#1f2b37;--muted:#5f6f7f;--line:#dce2e8;--accent:#234e6c;--accent-strong:#193d57;--accent-text:#fff;--nav:#eef2f5;--nav-active:#dde7ef;--unread:#10202d;--notice:#edf3f7;--error:#8c2633;--error-bg:#fbecef;--focus:#718fb2}
@media (prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#141b22;--panel:#1c2731;--text:#e3eaf0;--muted:#a3b1bf;--line:#33414e;--accent:#9fc3dc;--accent-strong:#bcd6e8;--accent-text:#0f1a23;--nav:#18222b;--nav-active:#26394a;--unread:#ffffff;--notice:#223444;--error:#ffb3bd;--error-bg:#432b32}}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15px;line-height:1.5}
a{color:var(--accent)}
h1{font-size:22px;line-height:1.25;margin:0 0 12px;overflow-wrap:anywhere}
h2{font-size:16px;margin:0 0 10px}
.muted{color:var(--muted)}.small{font-size:13px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;top:-100px;left:12px;padding:8px 12px;background:var(--panel);z-index:10}.skip:focus{top:12px}
button,.button{display:inline-block;font:inherit;font-weight:600;background:var(--accent);color:var(--accent-text);border:1px solid var(--accent);border-radius:6px;padding:8px 14px;cursor:pointer;text-decoration:none;line-height:1.3}
button:hover,.button:hover{background:var(--accent-strong);border-color:var(--accent-strong)}
button.secondary,.button.secondary{background:transparent;color:var(--accent)}
button.secondary:hover,.button.secondary:hover{background:var(--notice)}
button.link{background:none;border:0;color:var(--accent);padding:0;font-weight:500}
button:disabled{opacity:.6;cursor:default}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
input,select,textarea{display:block;width:100%;font:inherit;font-weight:400;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:6px;padding:8px 10px;margin-top:4px}
textarea{resize:vertical;min-height:220px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px}
label{display:block;font-weight:600;margin:0 0 14px}
.topbar{display:flex;align-items:center;gap:16px;padding:10px 20px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-weight:750;font-size:18px;text-decoration:none;color:var(--text);letter-spacing:-.2px}
.account-switch{display:flex;gap:8px;align-items:center}.account-switch select{margin:0;min-width:240px}
.account-name{color:var(--muted);font-size:14px}
.identity{margin-left:auto;display:flex;gap:14px;align-items:center;font-size:14px;color:var(--muted)}.identity form{margin:0}
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:calc(100vh - 58px)}
.folders{background:var(--nav);border-right:1px solid var(--line);padding:16px 12px}
.folders ul{list-style:none;margin:14px 0 0;padding:0}
.folders a{display:block;padding:7px 10px;border-radius:6px;text-decoration:none;color:var(--text);overflow-wrap:anywhere}
.folders a[aria-current]{background:var(--nav-active);font-weight:600}
.folders a:hover{background:var(--nav-active)}
.folders a.compose-link,.folders a.compose-link:hover{display:block;text-align:center;color:var(--accent-text);background:var(--accent);padding:8px 14px}
.folders a.compose-link:hover{background:var(--accent-strong)}
main{padding:20px 28px;min-width:0}
main.standalone{padding:0}
.list-heading{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.message-list{list-style:none;margin:0;padding:0;background:var(--panel);border:1px solid var(--line);border-radius:8px}
.message-list li+li{border-top:1px solid var(--line)}
.message-list a{display:grid;grid-template-columns:minmax(140px,220px) minmax(0,1fr) auto;gap:14px;padding:11px 14px;text-decoration:none;color:var(--muted)}
.message-list a:hover{background:var(--notice)}
.message-list .from,.message-list .subject{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.message-list .unread .from,.message-list .unread .subject{color:var(--unread);font-weight:650}
.message-list .meta{display:flex;gap:8px;align-items:center;font-size:13px;white-space:nowrap}
.tag{font-size:11px;padding:2px 7px;border-radius:10px;background:var(--notice);color:var(--muted)}
.empty{padding:40px 0;color:var(--muted)}
.reader,.compose,.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:22px 26px;max-width:980px}
.headers{display:grid;grid-template-columns:auto minmax(0,1fr);gap:4px 14px;margin:0 0 16px;font-size:14px}
.headers dt{color:var(--muted)}.headers dd{margin:0;overflow-wrap:anywhere}
.actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 16px}.actions form{margin:0}
.actions .move{display:flex;gap:6px}.actions .move select{margin:0;width:auto;max-width:220px}
.body{white-space:pre-wrap;overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.55;margin:0 0 16px;padding:16px 0;border-top:1px solid var(--line)}
.attachments{border-top:1px solid var(--line);padding-top:14px}.attachments ul{padding-left:18px}
.notice{background:var(--notice);border:1px solid var(--line);border-radius:6px;padding:10px 14px;font-size:14px}
.notice.error{color:var(--error);background:var(--error-bg)}
.auth-card{max-width:400px;margin:10vh auto;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:32px}
.auth-card button{width:100%;margin-top:6px}
code{overflow-wrap:anywhere}
@media (max-width:760px){
  .layout{grid-template-columns:1fr;grid-template-rows:auto 1fr}
  .folders{border-right:0;border-bottom:1px solid var(--line);padding:10px 16px}
  .folders ul{display:flex;gap:4px;overflow-x:auto;margin-top:10px}
  .folders li{flex:0 0 auto}
  main{padding:14px 16px}
  .message-list a{grid-template-columns:1fr;gap:2px}
  .reader,.compose,.panel{padding:16px}
  .account-switch select{min-width:0;max-width:62vw}
  .auth-card{margin:24px 16px;padding:22px}
}

.new-folder{margin-top:14px;font-size:14px}.new-folder summary{cursor:pointer;color:var(--muted);padding:4px 10px}.new-folder form{display:flex;gap:6px;margin-top:8px}.new-folder input{margin:0}
.sections{display:flex;gap:4px}.sections a{padding:6px 12px;border-radius:6px;text-decoration:none;color:var(--text);font-weight:500}
.sections a[aria-current],.sections a:hover{background:var(--nav-active)}
.week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px}
.day{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px;min-height:120px;min-width:0}
.day h2{font-size:13px;color:var(--muted);margin:0 0 8px}
.events{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.events a{display:grid;gap:2px;padding:6px 8px;border-radius:6px;background:var(--notice);text-decoration:none;color:var(--text);font-size:13px}
.events .when{font-weight:600;font-size:12px}.events .tag{justify-self:start;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.actions form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.actions form label.inline{margin:0}.events .what{overflow-wrap:anywhere}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:0 12px}
label.inline{display:flex;gap:8px;align-items:center;font-weight:500}label.inline input{width:auto;margin:0}
.multiline{white-space:pre-line}
@media (max-width:1100px){.week{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){.week{grid-template-columns:1fr}.day{min-height:0}.sections{order:3;width:100%}}
textarea[rows="2"]{min-height:0}
.search{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 10px}
.search input[type=search]{flex:1 1 220px;width:auto;margin:0}
.search-options{flex-basis:100%;font-size:14px}
.search-options summary{cursor:pointer;color:var(--muted);padding:2px 0}
.search-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:0 12px;margin-top:8px}
.field{margin:0 0 10px;min-width:0}.field label{margin:0}
.search-summary{margin:0 0 12px;font-size:14px}
.plan{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:14px}
.plan th,.plan td{text-align:left;vertical-align:top;padding:6px 8px;border-bottom:1px solid var(--line);overflow-wrap:anywhere}
.plan ul{margin:0;padding-left:16px}.plan tr.failed td{color:var(--error)}
.plan th,.plan td:first-child,.plan td:nth-child(3){overflow-wrap:normal;white-space:nowrap}

.message-list li{display:flex;align-items:center}
.message-list li>a:not(.message-delete){flex:1;min-width:0}
.message-list a.message-delete{display:block;flex:none;margin-right:12px;padding:8px 10px;color:var(--text)}

#delete-dialog{width:min(420px,calc(100vw - 32px));max-height:calc(100vh - 48px);box-sizing:border-box;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:22px;background:var(--panel);color:var(--text)}
#delete-dialog::backdrop{background:rgb(0 0 0 / 40%)}
#delete-dialog h2{margin:0 0 12px;font-size:20px}
#delete-dialog .actions{margin:16px 0 0}

.trash-tools{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:12px 0}
.trash-tools form{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:0}
.trash-tools label{display:flex;gap:8px;align-items:center;margin:0}
.trash-tools input,.trash-select input{width:auto;margin:0}
.trash-select{padding:12px;margin:0;flex:none}