:root {
  --bg: #0f1216; --card: #181d23; --line: #2a313a; --fg: #e8ecf0; --muted: #8b96a3;
  --accent: #3fa7ff; --ok: #3ecf75; --warn: #ffb02e; --err: #ff5d5d;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); overflow-x: hidden;
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: .2rem 0 1rem; }
h2 { font-size: 1.15rem; margin: 0 0 .8rem; }
h3 { font-size: 1rem; margin: 1rem 0 .5rem; color: var(--muted); font-weight: 600; }
.muted { color: var(--muted); }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
[hidden] { display: none !important; }

header { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.2rem;
  padding: .7rem 1rem; border-bottom: 1px solid var(--line); background: var(--card);
  position: sticky; top: 0; z-index: 2; }
.brand, .login h1 { font-weight: 700; color: var(--fg); font-size: 1.1rem; }
.brand span, .login h1 span { color: var(--accent); font-weight: 500; }
nav { display: flex; flex-wrap: wrap; gap: .2rem .9rem; align-items: center; flex: 1; justify-content: flex-end; }
nav a { color: var(--muted); padding: .2rem 0; }
nav a.on { color: var(--fg); border-bottom: 2px solid var(--accent); }
main { max-width: 860px; margin: 0 auto; padding: 1rem; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 1rem; margin: 0 0 1.2rem; }
.login { max-width: 360px; margin: 12vh auto 0; }
label { display: block; margin: 0 0 .8rem; color: var(--muted); }
label input:not([type=checkbox]), label textarea { display: block; width: 100%; margin-top: .25rem; }
input, textarea, button { font: inherit; color: inherit; }
input:not([type=checkbox]), textarea { background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
  padding: .55rem .7rem; width: 100%; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea { resize: vertical; min-height: 5rem; margin: .4rem 0 .6rem; }
button { background: var(--line); border: 0; border-radius: 8px; padding: .55rem 1rem; cursor: pointer; }
button:hover { filter: brightness(1.15); }
button.primary { background: var(--accent); color: #06121e; font-weight: 600; }
button.danger { background: #4a1f22; color: #ffb3b3; }
button.link { background: none; padding: 0; color: var(--muted); }
form.inline { display: inline; }
.row { display: flex; gap: .7rem; align-items: center; flex-wrap: wrap; }
.row input { flex: 1; min-width: 10rem; }
.row .muted { margin-left: auto; font-size: .85rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 0 1rem; }
label.check { display: flex; gap: .5rem; align-items: center; color: var(--fg); margin: .3rem 0 .6rem; }
input[type=checkbox] { width: 1.1rem; height: 1.1rem; accent-color: var(--accent); }

.flash { padding: .6rem .9rem; border-radius: 8px; margin: 0 0 1rem; border: 1px solid var(--line); }
.flash.ok { border-color: #1f5f3a; background: #12261b; }
.flash.error { border-color: #6b2a2a; background: #2a1414; }

.targets { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0 0 .4rem; }
.chip { display: inline-flex; align-items: center; gap: .4rem; margin: 0; padding: .35rem .7rem;
  border: 1px solid var(--line); border-radius: 999px; color: var(--fg); cursor: pointer; user-select: none; }
.chip:has(input:checked) { border-color: var(--accent); background: #13283b; }
.chip.all { color: var(--muted); }
.dot { display: inline-block; width: .55rem; height: .55rem; border-radius: 50%; background: #55606c; margin-right: .35rem; vertical-align: middle; }
.dot.on { background: var(--ok); box-shadow: 0 0 6px var(--ok); }
h1 .dot { width: .8rem; height: .8rem; }

.messages { list-style: none; padding: 0; margin: 0 0 1rem; }
.messages li { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: .7rem .9rem; margin: 0 0 .6rem; }
.messages li.prio { border-left: 3px solid var(--warn); }
.messages li.empty { color: var(--muted); }
.meta { display: flex; gap: .6rem; align-items: center; font-size: .85rem; color: var(--muted); }
.meta .from { color: var(--fg); font-weight: 600; }
.meta .del { margin-left: auto; }
.text { white-space: pre-wrap; overflow-wrap: anywhere; margin: .3rem 0 .5rem; }
.to { display: flex; flex-wrap: wrap; gap: .3rem; }
.tag { font-size: .75rem; padding: .05rem .4rem; border-radius: 4px; background: var(--line); color: var(--muted); font-weight: 500; }
.tag.warn { background: #4a3510; color: var(--warn); }
.dl { font-size: .8rem; padding: .1rem .5rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.dl::before { content: "○ "; }
.dl.s1 { color: var(--fg); }
.dl.s1::before { content: "✓ "; }
.dl.s2 { color: var(--ok); border-color: #1f5f3a; }
.dl.s2::before { content: "✓✓ "; }

table.list { width: 100%; border-collapse: collapse; margin: 0 0 1.2rem; }
table.list th, table.list td { text-align: left; padding: .5rem .4rem; border-bottom: 1px solid var(--line); }
table.list th { color: var(--muted); font-weight: 500; font-size: .85rem; }

dl.creds { display: grid; grid-template-columns: max-content 1fr; gap: .5rem 1rem; margin: 1rem 0; }
dl.creds dt { color: var(--muted); }
dl.creds dd { margin: 0; padding: .4rem .6rem; background: var(--bg); border: 1px solid var(--line);
  border-radius: 6px; cursor: copy; overflow-wrap: anywhere; }
dl.creds dd.copied { border-color: var(--ok); }

@media (max-width: 560px) {
  table.list th:nth-child(4), table.list td:nth-child(4) { display: none; }
  nav { justify-content: flex-start; }
}