:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #e2e5ea;
  --text: #1d2330;
  --muted: #667085;
  --primary: #1f5eff;
  --primary-soft: #e8efff;
  --ok: #12805c;
  --ok-soft: #e3f5ee;
  --warn: #9a6200;
  --warn-soft: #fff4dc;
  --err: #c0362c;
  --err-soft: #fdecea;
  --sidebar: #111827;
  --sidebar-text: #c9cfdb;
  --radius: 10px;
  font-size: 15px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .85rem; }
pre { background: #0f172a; color: #e2e8f0; padding: 1rem; border-radius: var(--radius); overflow: auto; max-height: 480px; white-space: pre-wrap; }

/* Elrendezés */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; flex-shrink: 0; background: var(--sidebar); color: var(--sidebar-text);
  padding: 1.25rem .75rem; display: flex; flex-direction: column; gap: 1rem;
}
.brand { color: #fff; font-weight: 700; font-size: 1.05rem; padding: 0 .5rem; }
.brand small { display: block; font-weight: 400; color: var(--sidebar-text); font-size: .75rem; }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-title { font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: #8891a5; padding: .25rem .5rem; }
.nav a {
  color: var(--sidebar-text); padding: .45rem .6rem; border-radius: 8px; display: flex;
  justify-content: space-between; align-items: center; font-size: .92rem;
}
.nav a:hover { background: #1f2937; text-decoration: none; color: #fff; }
.nav a.active { background: #263248; color: #fff; }
.sidebar .user { margin-top: auto; font-size: .85rem; padding: 0 .5rem; }
.sidebar .user form { display: inline; }
.sidebar .user button { background: none; border: 0; color: var(--sidebar-text); cursor: pointer; padding: 0; text-decoration: underline; }
.main { flex: 1; padding: 1.75rem 2rem; min-width: 0; }

/* Elemek */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.1rem 1.25rem; margin-bottom: 1.25rem; }
.grid { display: grid; gap: 1rem; }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.kpi .label { color: var(--muted); font-size: .85rem; }
.kpi .value { font-size: 1.6rem; font-weight: 650; margin: .2rem 0; }
.delta { font-size: .82rem; }
.delta.up { color: var(--ok); }
.delta.down { color: var(--err); }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.row { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.spread { justify-content: space-between; }

.btn {
  display: inline-block; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  padding: .45rem .85rem; border-radius: 8px; cursor: pointer; font: inherit; font-size: .9rem;
}
.btn:hover { background: #f0f2f5; text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: #1749cc; }
.btn-danger { color: var(--err); border-color: #f1c0bb; }
.btn-group { display: inline-flex; gap: .25rem; flex-wrap: wrap; }
.btn-group .btn.active { background: var(--primary-soft); border-color: var(--primary); color: var(--primary); }

.badge { display: inline-block; font-size: .75rem; padding: 2px 8px; border-radius: 99px; background: #eef0f3; color: #475467; white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.err { background: var(--err-soft); color: var(--err); }
.badge.info { background: var(--primary-soft); color: var(--primary); }

table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
td.num, th.num { text-align: right; white-space: nowrap; }
tr:hover td { background: #fafbfc; }
.table-wrap { overflow-x: auto; }
.thumb { width: 40px; height: 40px; object-fit: contain; border-radius: 6px; background: #f2f4f7; }

.messages { list-style: none; padding: 0; margin: 0 0 1rem; }
.messages li { padding: .7rem 1rem; border-radius: 8px; margin-bottom: .5rem; background: var(--primary-soft); }
.messages li.success { background: var(--ok-soft); color: #0b5c42; }
.messages li.error { background: var(--err-soft); color: #8f2017; }
.messages li.warning { background: var(--warn-soft); color: #6f4600; }

form.stacked p { margin: 0 0 1rem; }
form.stacked label { display: block; font-weight: 600; margin-bottom: .3rem; }
form.stacked input[type=text], form.stacked input[type=password], form.stacked input[type=number],
form.stacked select, .search input, .search select {
  width: 100%; max-width: 480px; padding: .5rem .65rem; border: 1px solid var(--border); border-radius: 8px; font: inherit;
}
.search { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
.search input { max-width: 320px; }
.search select { max-width: 220px; }
.helptext { display: block; color: var(--muted); font-size: .82rem; margin-top: .25rem; }
.errorlist { color: var(--err); margin: .25rem 0; padding-left: 1.1rem; font-size: .88rem; }

.pagination { display: flex; gap: .5rem; align-items: center; margin-top: 1rem; }
.empty { text-align: center; color: var(--muted); padding: 2.5rem 1rem; }
.chart-box { position: relative; height: 280px; }
dl.props { display: grid; grid-template-columns: 200px 1fr; gap: .4rem 1rem; margin: 0; }
dl.props dt { color: var(--muted); }
dl.props dd { margin: 0; }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { width: 360px; }

@media (max-width: 900px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; }
  .main { padding: 1rem; }
  dl.props { grid-template-columns: 1fr; }
}
.btn.small { padding: .25rem .55rem; font-size: .8rem; }
details > summary { cursor: pointer; }
.tabs { display: flex; gap: .25rem; flex-wrap: wrap; border-bottom: 1px solid var(--border); margin-bottom: 1rem; }
.tabs a { padding: .5rem .8rem; border-bottom: 2px solid transparent; color: var(--muted); }
.tabs a.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.tabs a:hover { text-decoration: none; color: var(--text); }
table.calendar { table-layout: fixed; }
table.calendar td { height: 96px; padding: .3rem; font-size: .8rem; }
table.calendar td.today { background: var(--primary-soft); }
table.calendar .day-num { font-weight: 600; margin-bottom: .2rem; }
.cal-item { display: block; padding: 2px 5px; margin-bottom: 2px; border-radius: 5px; background: #eef0f3; color: var(--text); overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.cal-item:hover { text-decoration: none; filter: brightness(.95); }
.cal-item.scheduled { background: var(--primary-soft); color: var(--primary); }
.cal-item.published { background: var(--ok-soft); color: var(--ok); }
.cal-item.pending, .cal-item.draft { background: var(--warn-soft); color: var(--warn); }
.cal-item.failed { background: var(--err-soft); color: var(--err); }
.cal-item.task { background: #f3e8ff; color: #6b21a8; }
.cal-item.campaign { background: #e0f2fe; color: #075985; }