/* MailSuite dashboard — plain CSS, no framework, no build step. */
:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --line: #e3e6ea;
  --ink: #14181d;
  --muted: #6b7480;
  --accent: #2f6df6;
  --accent-soft: #eaf0fe;
  --good: #10864f;
  --good-soft: #e6f5ee;
  --warn: #a86800;
  --warn-soft: #fdf3e0;
  --bad: #c02b2b;
  --bad-soft: #fdeaea;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216; --panel: #171b21; --line: #262c34; --ink: #e7ebf0; --muted: #93a0af;
    --accent: #6f9bff; --accent-soft: #1b2740;
    --good: #4bd08b; --good-soft: #14291f;
    --warn: #e0a54a; --warn-soft: #2b2313;
    --bad: #f2837f; --bad-soft: #2e1a1a;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); }
.loading { padding: 60px; text-align: center; color: var(--muted); }

/* ---- shell --------------------------------------------------------------- */
header.top {
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
  padding: 14px 24px; background: var(--panel); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.brand { font-weight: 700; letter-spacing: -0.02em; font-size: 17px; }
nav.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
nav.tabs button {
  background: none; border: 0; padding: 7px 13px; border-radius: 999px;
  font: inherit; color: var(--muted); cursor: pointer;
}
nav.tabs button:hover { background: var(--bg); color: var(--ink); }
nav.tabs button.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.spacer { flex: 1; }
.whoami { color: var(--muted); font-size: 13px; }
.bell { position: relative; }
.bell .dot {
  position: absolute; top: 2px; right: 4px; min-width: 16px; height: 16px; padding: 0 4px;
  border-radius: 999px; background: var(--bad); color: #fff; font-size: 10px; font-weight: 700;
  display: grid; place-items: center;
}
main { max-width: 1080px; margin: 0 auto; padding: 24px; }

/* ---- primitives ---------------------------------------------------------- */
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; margin-bottom: 16px;
}
.card h2 { margin: 0 0 4px; font-size: 16px; }
.card h2 + .sub { margin: 0 0 16px; }
.sub { color: var(--muted); font-size: 13px; margin: 0 0 12px; }
label { display: block; font-size: 13px; font-weight: 600; margin: 0 0 5px; }
input[type=text], input[type=email], input[type=number], input[type=datetime-local], textarea, select {
  width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--ink); font: inherit;
}
textarea { min-height: 200px; resize: vertical; font-family: inherit; }
.field { margin-bottom: 14px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1 1 200px; }
.check { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; margin-bottom: 10px; }
.check input { margin-top: 3px; }
.check span small { display: block; color: var(--muted); font-weight: 400; }
button.btn {
  background: var(--accent); color: #fff; border: 0; border-radius: 8px;
  padding: 9px 16px; font: inherit; font-weight: 600; cursor: pointer;
}
button.btn:disabled { opacity: .5; cursor: not-allowed; }
button.ghost { background: none; border: 1px solid var(--line); color: var(--ink); }
button.link {
  background: none; border: 0; color: var(--accent); font: inherit; cursor: pointer; padding: 0;
}
button.danger { background: none; border: 1px solid var(--line); color: var(--bad); }

.pill {
  display: inline-block; padding: 2px 9px; border-radius: 999px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
}
.pill.good { background: var(--good-soft); color: var(--good); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad  { background: var(--bad-soft);  color: var(--bad); }
.pill.flat { background: var(--bg); color: var(--muted); }
.pill.info { background: var(--accent-soft); color: var(--accent); }

.notice { padding: 11px 14px; border-radius: 8px; font-size: 14px; margin-bottom: 14px; }
.notice.err { background: var(--bad-soft); color: var(--bad); }
.notice.ok { background: var(--good-soft); color: var(--good); }
.notice.warn { background: var(--warn-soft); color: var(--warn); }

/* ---- tables -------------------------------------------------------------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-size: 12px; text-transform: uppercase;
     letter-spacing: .04em; padding: 0 10px 8px; font-weight: 600; white-space: nowrap; }
td { padding: 11px 10px; border-top: 1px solid var(--line); vertical-align: top; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--bg); }
td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.truncate { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }

/* ---- stat tiles ---------------------------------------------------------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.tile .n { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; }
.tile .k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }

/* ---- detail -------------------------------------------------------------- */
.events { margin: 8px 0 0; padding: 0; list-style: none; }
.events li {
  display: flex; gap: 10px; align-items: baseline; padding: 6px 0;
  border-top: 1px dashed var(--line); font-size: 13px;
}
.events li .when { color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.recipient { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; margin-bottom: 10px; }
.recipient > summary { cursor: pointer; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.recipient > summary::-webkit-details-marker { display: none; }
.recipient .addr { font-weight: 600; }
.back { margin-bottom: 14px; }
.empty { color: var(--muted); padding: 28px 0; text-align: center; }

/* ---- login --------------------------------------------------------------- */
.login { max-width: 460px; margin: 90px auto; text-align: center; }
.login .card { padding: 32px; }
.login h1 { margin: 0 0 6px; font-size: 22px; }