:root {
  --bg: #f4f5f7; --panel: #ffffff; --text: #1c2330; --muted: #67718a;
  --border: #dfe3ea; --accent: #2563eb; --accent-soft: #dbeafe;
  --pos: #15803d; --neg: #dc2626; --warn: #b45309;
  --shadow: 0 1px 3px rgba(16, 24, 40, .08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10141c; --panel: #1a2030; --text: #e6e9f2; --muted: #8f9ab3;
    --border: #2a3247; --accent: #60a5fa; --accent-soft: #1e3a5f;
    --pos: #4ade80; --neg: #f87171; --warn: #fbbf24;
    --shadow: 0 1px 3px rgba(0, 0, 0, .4);
  }
}
* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.45 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.35rem; margin: .2rem 0 1rem; }
h2 { font-size: 1.05rem; margin: 1.4rem 0 .6rem; }
h3 { font-size: .95rem; margin: 1rem 0 .4rem; }

/* ---- nav ---- */
.topnav { background: var(--panel); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.nav-inner { max-width: 1280px; margin: 0 auto; padding: .45rem .8rem; display: flex; align-items: center; gap: .9rem; flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--text); font-size: 1.05rem; white-space: nowrap; }
.brand:hover { text-decoration: none; }
.navlinks { display: flex; gap: .15rem; flex-wrap: wrap; flex: 1; }
.navlinks a { padding: .3rem .55rem; border-radius: 7px; color: var(--muted); font-weight: 500; white-space: nowrap; }
.navlinks a:hover { background: var(--accent-soft); text-decoration: none; color: var(--text); }
.navlinks a.active { background: var(--accent-soft); color: var(--accent); }
.navtoggle { display: none; }
.scopeform select { max-width: 165px; }
.logoutform button { white-space: nowrap; }
@media (max-width: 920px) {
  .navtoggle { display: block; background: none; border: 1px solid var(--border); border-radius: 7px; color: var(--text); font-size: 1.1rem; padding: .2rem .6rem; }
  .navlinks { display: none; flex-basis: 100%; flex-direction: column; }
  .navlinks.open { display: flex; }
  .navlinks a { padding: .5rem .6rem; }
}

/* ---- layout ---- */
.container { max-width: 1280px; margin: 0 auto; padding: 1rem .8rem 3rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(155px, 1fr)); gap: .7rem; margin-bottom: 1rem; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: .7rem .9rem; box-shadow: var(--shadow); }
.card .k { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.card .v { font-size: 1.25rem; font-weight: 700; margin-top: .15rem; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: .9rem; box-shadow: var(--shadow); margin-bottom: 1rem; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 920px) { .grid2 { grid-template-columns: 1fr; } }

/* ---- tables ---- */
.tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { padding: .42rem .55rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; white-space: nowrap; }
th a { color: inherit; }
tbody tr:hover { background: color-mix(in srgb, var(--accent) 6%, transparent); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.totals td { font-weight: 700; border-top: 2px solid var(--border); }
.pos { color: var(--pos); } .neg { color: var(--neg); }
.mut { color: var(--muted); } .small { font-size: .8rem; }

/* ---- forms ---- */
input, select, textarea, button {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 7px; padding: .38rem .55rem;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
label { font-size: .8rem; color: var(--muted); display: block; margin-bottom: .15rem; }
button, .btn { background: var(--accent); border: none; color: #fff; font-weight: 600; cursor: pointer; padding: .42rem .9rem; border-radius: 7px; display: inline-block; }
button:hover, .btn:hover { filter: brightness(1.08); text-decoration: none; }
button.ghost, .btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); font-weight: 500; }
button.danger { background: var(--neg); }
button.small, .btn.small { padding: .2rem .55rem; font-size: .8rem; }
.formrow { display: flex; gap: .6rem; flex-wrap: wrap; align-items: flex-end; margin-bottom: .6rem; }
.formrow > div { display: flex; flex-direction: column; }
fieldset { border: 1px solid var(--border); border-radius: 8px; }

/* ---- misc ---- */
.flash { padding: .55rem .8rem; border-radius: 8px; margin-bottom: .8rem; font-weight: 500; }
.flash.ok { background: color-mix(in srgb, var(--pos) 14%, var(--panel)); color: var(--pos); }
.flash.bad { background: color-mix(in srgb, var(--neg) 14%, var(--panel)); color: var(--neg); }
.badge { background: var(--neg); color: #fff; border-radius: 9px; font-size: .7rem; padding: .05rem .4rem; font-weight: 700; }
.tag { background: var(--accent-soft); color: var(--accent); border-radius: 6px; font-size: .74rem; padding: .1rem .45rem; font-weight: 600; white-space: nowrap; }
.tag.warn { background: color-mix(in srgb, var(--warn) 18%, var(--panel)); color: var(--warn); }
.tag.over { background: color-mix(in srgb, var(--neg) 18%, var(--panel)); color: var(--neg); }
.tag.ok { background: color-mix(in srgb, var(--pos) 15%, var(--panel)); color: var(--pos); }
.progress { background: var(--border); height: 9px; border-radius: 5px; overflow: hidden; min-width: 90px; }
.progress > div { height: 100%; background: var(--accent); }
.progress > div.warn { background: var(--warn); }
.progress > div.over { background: var(--neg); }
.chartbox { position: relative; height: 300px; }
.chartbox.tall { height: 360px; }
.filters { display: flex; gap: .5rem; flex-wrap: wrap; align-items: flex-end; }
.filters > div { display: flex; flex-direction: column; }
.filters input, .filters select { max-width: 130px; }
.pager { display: flex; gap: .4rem; align-items: center; margin-top: .7rem; flex-wrap: wrap; }
.heat { min-width: 52px; text-align: right; font-variant-numeric: tabular-nums; font-size: .8rem; }
.login-box { max-width: 360px; margin: 12vh auto; }
.login-box h1 { text-align: center; }
.login-box form > * { width: 100%; margin-bottom: .7rem; }
.help { font-size: .82rem; color: var(--muted); }
details.box { border: 1px solid var(--border); border-radius: 8px; padding: .5rem .8rem; margin: .5rem 0; background: var(--panel); }
details.box summary { cursor: pointer; font-weight: 600; }
.sortable-ghost { opacity: .4; }
.dragrow { cursor: grab; }
td .rowactions { display: flex; gap: .3rem; flex-wrap: wrap; }
.methodtip { cursor: help; border-bottom: 1px dotted var(--muted); }
input[type=checkbox] { width: 1rem; height: 1rem; }
.whatif-row { display: grid; grid-template-columns: 1fr 220px 110px; gap: .8rem; align-items: center; margin-bottom: .45rem; }
@media (max-width: 700px) { .whatif-row { grid-template-columns: 1fr 1fr; } }