:root {
  --bg: #f4f5f7; --card: #ffffff; --text: #17202e; --muted: #667085; --line: #e4e7ec; --line-soft: #f0f2f5;
  --accent: #1f6feb; --accent-hover: #1a5fd0; --accent-text: #ffffff; --accent-soft: #eaf1fe;
  --ok-bg: #e9f7ef; --ok: #13703c; --err-bg: #fdeeed; --err: #b42318; --warn-bg: #fff5df; --warn: #8a5a00;
  --info-bg: #eaf1fe; --info: #1d4ed8;
  --radius: 12px; --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 1px 3px rgba(16, 24, 40, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1218; --card: #181c24; --text: #e7eaf0; --muted: #98a2b3; --line: #2a303b; --line-soft: #20252e;
    --accent: #4c8dff; --accent-hover: #6aa0ff; --accent-soft: #19284a;
    --ok-bg: #112a1c; --ok: #6fd69a; --err-bg: #351818; --err: #ff8a80; --warn-bg: #33290f; --warn: #f5c76b;
    --info-bg: #19284a; --info: #93b4ff; --shadow: none;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .wrap { padding: 0 16px; } }

/* --- Top bar ------------------------------------------------------------ */
header { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.bar { display: flex; align-items: center; gap: 28px; min-height: 64px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; color: var(--text); text-decoration: none; white-space: nowrap; }
.brand-mark {
  display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 8px;
  background: var(--accent); color: var(--accent-text); font-size: 12px; font-weight: 800; letter-spacing: .02em;
}
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav a { padding: 8px 12px; border-radius: 8px; color: var(--muted); text-decoration: none; font-weight: 500; }
nav a:hover { color: var(--text); background: var(--line-soft); }
nav a.on { background: var(--accent-soft); color: var(--accent); }
.me { margin-left: auto; display: flex; gap: 14px; align-items: center; font-size: 13px; }
.me a { color: var(--muted); text-decoration: none; }
.me a:hover { color: var(--text); }
.me form { margin: 0; }

/* --- Layout ------------------------------------------------------------- */
main { padding-top: 36px; padding-bottom: 72px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 28px 28px; margin-bottom: 24px; overflow-x: auto;
}
@media (max-width: 640px) { .card { padding: 20px 16px; } main { padding-top: 24px; } }
h1 { font-size: 22px; line-height: 1.25; margin: 0 0 6px; letter-spacing: -.01em; }
h2 { font-size: 16px; margin: 0 0 16px; }
p { margin: 0 0 12px; }
.head { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
.head p { margin: 0; }
.head form { margin: 0; }
.muted { color: var(--muted); } .small { font-size: 12px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }
.empty { padding: 40px 0 24px; text-align: center; }
.count { display: inline-block; min-width: 22px; padding: 1px 8px; margin-left: 6px; border-radius: 999px; background: var(--line-soft); color: var(--muted); font-size: 12px; font-weight: 600; text-align: center; vertical-align: 2px; }

/* --- Tables ------------------------------------------------------------- */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; background: var(--line-soft); border-bottom-color: var(--line); white-space: nowrap; }
th:first-child { border-top-left-radius: 8px; } th:last-child { border-top-right-radius: 8px; }
tbody tr:hover td { background: var(--line-soft); }
tbody tr:last-child td { border-bottom: 0; }
tr.bad td, tr.bad:hover td { background: var(--err-bg); }
tr.off td { opacity: .55; }
td.nowrap, th.nowrap { white-space: nowrap; }
.line { margin-bottom: 8px; }
.line:last-child { margin-bottom: 0; }
pre.texts { margin: 6px 0 2px; padding: 8px 10px; background: var(--bg); border: 1px solid var(--line-soft); border-radius: 6px; font-size: 12px; white-space: pre-wrap; }

/* --- Controls ----------------------------------------------------------- */
button {
  font: inherit; font-weight: 500; padding: 9px 16px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--card); color: var(--text); cursor: pointer; transition: background .15s, border-color .15s;
}
button:hover { background: var(--line-soft); }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button:disabled, button:disabled:hover { opacity: .5; cursor: not-allowed; }
button.link { border: 0; background: none; color: var(--accent); padding: 0; font-weight: 500; }
button.link:hover { text-decoration: underline; background: none; }
input, select {
  font: inherit; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--text);
}
input:focus, select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
input[type=checkbox] { width: 16px; height: 16px; padding: 0; accent-color: var(--accent); }
input[type=file] { padding: 7px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 12px; }
.row.tight { margin: 0; gap: 10px; }
.grid-form { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr auto; gap: 10px; margin: 20px 0 24px; }
.grid-form.users { grid-template-columns: 2fr 2fr 1fr auto; }
@media (max-width: 760px) { .grid-form, .grid-form.users { grid-template-columns: 1fr; } }
.actions { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.check { display: inline-flex; gap: 6px; align-items: center; }

/* --- Notes & tags ------------------------------------------------------- */
.note { padding: 12px 16px; border-radius: 10px; margin-bottom: 20px; }
.note.ok { background: var(--ok-bg); color: var(--ok); }
.note.error { background: var(--err-bg); color: var(--err); }
.note.info { background: var(--info-bg); color: var(--info); }
.tag { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 500; margin: 0 4px 6px 0; }
.tag.err { background: var(--err-bg); color: var(--err); }
.tag.warn { background: var(--warn-bg); color: var(--warn); }
.tag.ok { background: var(--ok-bg); color: var(--ok); }
.late { color: var(--err); font-weight: 600; }
details { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); }
summary { cursor: pointer; color: var(--accent); font-weight: 500; }
details p { margin-top: 12px; }
.spinner { display: inline-block; width: 12px; height: 12px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -2px; margin-right: 8px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Login & forms ------------------------------------------------------ */
.narrow { max-width: 420px; margin: 48px auto; }
.stack { display: flex; flex-direction: column; gap: 16px; margin-top: 20px; }
.stack label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 500; color: var(--muted); }
.stack button { margin-top: 4px; }