:root {
  --bg: #f6f7f5;
  --panel: #ffffff;
  --text: #1d2420;
  --muted: #5f6b65;
  --line: #dde2de;
  --field: #ffffff;
  --field-line: #c5ccc7;
  --accent: #2f6f5e;
  --accent-text: #ffffff;
  --accent-soft: #e3efe9;
  --danger: #b3261e;
  --danger-soft: #fbe9e7;
  --warn-soft: #fff4d6;
  --warn-text: #7a5a00;
  --radius: 8px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141816;
    --panel: #1c211f;
    --text: #e6ebe8;
    --muted: #9aa69f;
    --line: #2e3532;
    --field: #101412;
    --field-line: #3d4642;
    --accent: #6fbfa5;
    --accent-text: #0e1412;
    --accent-soft: #23332d;
    --danger: #ff8a80;
    --danger-soft: #3a2220;
    --warn-soft: #3a3220;
    --warn-text: #f0d48a;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
h1 { font-size: 1.4rem; margin: 0; }
h2 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
h3 { font-size: 1rem; margin: 1rem 0 .4rem; }
.loading, .muted { color: var(--muted); }
.small { font-size: .85rem; }

header.top { display: flex; align-items: center; gap: 1rem; padding: .75rem 1.25rem; background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
header.top .brand { font-weight: 700; color: var(--text); text-decoration: none; }
header.top .spacer { flex: 1; }
main { max-width: 1200px; margin: 0 auto; padding: 1rem 1.25rem 4rem; }

nav.tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--line); margin: 1rem 0; overflow-x: auto; }
nav.tabs a { padding: .5rem .8rem; text-decoration: none; color: var(--muted); border-bottom: 2px solid transparent; white-space: nowrap; }
nav.tabs a.on { color: var(--text); border-color: var(--accent); font-weight: 600; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; margin-bottom: 1rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: .75rem; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem 1rem; }
.card .n { font-size: 1.6rem; font-weight: 700; }
.card .l { color: var(--muted); font-size: .85rem; }

table { width: 100%; border-collapse: collapse; background: var(--panel); }
th, td { text-align: left; padding: .45rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .8rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
td.wrap { max-width: 320px; overflow-wrap: anywhere; }

form.grid, .grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: .75rem 1rem; align-items: end; }
.filters { margin-bottom: 1rem; }
.add-mailbox { margin: 1rem 0 .5rem; }
label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; color: var(--muted); }
label.check { flex-direction: row; align-items: center; gap: .5rem; color: var(--text); font-size: .95rem; }
details.collapsible > summary { cursor: pointer; font-weight: 600; color: var(--accent); list-style: none; display: flex; align-items: center; gap: .5rem; }
details.collapsible > summary::-webkit-details-marker { display: none; }
/* The + / − is drawn with two bars (not a text glyph), so it's dead centre in its circle. */
details.collapsible > summary::before {
  content: ''; flex: none; width: 1.3rem; height: 1.3rem; border-radius: 50%;
  background: linear-gradient(var(--accent), var(--accent)) center / .6rem 2px no-repeat,
    linear-gradient(var(--accent), var(--accent)) center / 2px .6rem no-repeat, var(--accent-soft);
}
details.collapsible[open] > summary { margin-bottom: 1rem; }
details.category { padding: .7rem 1rem; margin-bottom: .5rem; }
details.category > summary { color: var(--text); flex-wrap: wrap; }
details.category > summary .what { margin-left: auto; font-weight: 400; }
details.collapsible[open] > summary::before { background: linear-gradient(var(--accent), var(--accent)) center / .6rem 2px no-repeat, var(--accent-soft); }
.check-list { display: flex; flex-direction: column; gap: .5rem; align-items: flex-start; }
h3.section { margin: .75rem 0 -.25rem; padding-top: .75rem; border-top: 1px solid var(--line); }
h3.section:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
fieldset.checks { border: 1px solid var(--line); border-radius: var(--radius); padding: .5rem 1rem 1rem; margin: 0; }
.check-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: .6rem 1.5rem; align-items: start; }
.check-grid label.check { align-items: flex-start; line-height: 1.35; cursor: pointer; }
.check-grid label.check input { margin: .2rem 0 0; flex: none; }
.check-grid .detail { display: block; color: var(--muted); font-size: .8rem; }
input, select, textarea, button { font: inherit; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=time], select, textarea {
  padding: .45rem .55rem; border: 1px solid var(--field-line); border-radius: 6px; background: var(--field); color: var(--text); width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
textarea { min-height: 5rem; resize: vertical; }
.wide { grid-column: 1 / -1; }

button { padding: .45rem .9rem; border-radius: 6px; border: 1px solid var(--line); background: var(--panel); color: var(--text); cursor: pointer; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.danger { color: var(--danger); }
button.link { border: 0; background: none; color: var(--accent); padding: 0 .25rem; }
button:disabled { opacity: .5; cursor: default; }
.row { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
button.chip { padding: .2rem .7rem; border-radius: 999px; background: var(--accent-soft); border-color: var(--accent-soft); font-size: .85rem; text-align: left; overflow-wrap: anywhere; }

.badge { display: inline-block; padding: .05rem .5rem; border-radius: 999px; font-size: .78rem; background: var(--accent-soft); color: var(--text); white-space: nowrap; }
.badge.warn { background: var(--warn-soft); color: var(--warn-text); }
.badge.bad { background: var(--danger-soft); color: var(--danger); }
.badge.quiet { background: transparent; border: 1px solid var(--line); color: var(--muted); }
.notice { background: var(--warn-soft); color: var(--warn-text); padding: .6rem .9rem; border-radius: var(--radius); margin: .75rem 0; }
.error { color: var(--danger); }

.login { max-width: 360px; margin: 12vh auto; }
.login form { display: grid; gap: .75rem; }

#toast { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: .6rem 1rem; border-radius: 6px; opacity: 0; transition: opacity .2s; pointer-events: none; max-width: 90vw; }
#toast.show { opacity: 1; }
#toast.bad { background: var(--danger); color: #fff; }

.bar { height: 8px; background: var(--line); border-radius: 4px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--c-strong, var(--accent)); }

/* Category colours: a soft fill and readable text for pills, and a strong shade for bars and swatches. */
.c-green  { --c-soft: #dcefe3; --c-text: #1e5a37; --c-strong: #2f8a55; }
.c-teal   { --c-soft: #d6efee; --c-text: #18585a; --c-strong: #23878a; }
.c-blue   { --c-soft: #dde8f7; --c-text: #1f4a80; --c-strong: #3a6fbf; }
.c-purple { --c-soft: #e8e1f5; --c-text: #4b3283; --c-strong: #7356b8; }
.c-pink   { --c-soft: #f7dfeb; --c-text: #7e2552; --c-strong: #c2457f; }
.c-red    { --c-soft: #f8e0dd; --c-text: #8a2219; --c-strong: #c8473a; }
.c-orange { --c-soft: #fbe5d3; --c-text: #82400f; --c-strong: #d2701e; }
.c-amber  { --c-soft: #f8edc8; --c-text: #6b5306; --c-strong: #c09a14; }
.c-grey   { --c-soft: #e6e9e7; --c-text: #3f4743; --c-strong: #7a837e; }
@media (prefers-color-scheme: dark) {
  .c-green  { --c-soft: #1f3a2a; --c-text: #9fdbb6; --c-strong: #4fb07a; }
  .c-teal   { --c-soft: #1a3839; --c-text: #96d9da; --c-strong: #3fa7aa; }
  .c-blue   { --c-soft: #1f2e45; --c-text: #a7c3ec; --c-strong: #5b8fd8; }
  .c-purple { --c-soft: #2d2442; --c-text: #c7b6ee; --c-strong: #9378d4; }
  .c-pink   { --c-soft: #3d2130; --c-text: #f0b3d0; --c-strong: #d86a9c; }
  .c-red    { --c-soft: #40221f; --c-text: #f3b0a8; --c-strong: #dd6b5e; }
  .c-orange { --c-soft: #40291a; --c-text: #f5c39a; --c-strong: #e08b45; }
  .c-amber  { --c-soft: #3a3118; --c-text: #ecd68c; --c-strong: #cfae3a; }
  .c-grey   { --c-soft: #2a302d; --c-text: #c3cbc6; --c-strong: #8d968f; }
}
.badge.cat { background: transparent; border: 1px solid var(--line); color: var(--text); }
.badge.cat[class*=" c-"] { background: var(--c-soft); border-color: var(--c-soft); color: var(--c-text); }
details.category > summary .badge.cat { font-size: .9rem; font-weight: 600; padding: .1rem .65rem; }

.swatches { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
.swatches legend { padding: 0; margin-bottom: .35rem; }
.swatch { flex-direction: row; cursor: pointer; }
.swatch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.swatch .dot { width: 1.6rem; height: 1.6rem; border-radius: 50%; background: var(--c-strong); border: 2px solid var(--panel); box-shadow: 0 0 0 1px var(--line); display: inline-block; }
.swatch .dot.none { background: var(--panel); background-image: linear-gradient(135deg, transparent 45%, var(--muted) 45%, var(--muted) 55%, transparent 55%); }
.swatch input:checked + .dot { box-shadow: 0 0 0 2px var(--text); }
.swatch input:focus-visible + .dot { outline: 2px solid var(--accent); outline-offset: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.chart { display: flex; align-items: flex-end; gap: 4px; height: 140px; padding-top: 1.2rem; }
.chart .col { flex: 1; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; min-width: 0; }
.chart .b { width: 100%; max-width: 28px; background: var(--accent); border-radius: 3px 3px 0 0; min-height: 2px; }
.chart .v { font-size: .72rem; color: var(--muted); margin-bottom: 2px; }
dl.kv { display: grid; grid-template-columns: max-content 1fr; gap: .25rem 1rem; margin: 0; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }

@media (max-width: 640px) {
  main { padding: .75rem 1rem 3rem; }
  th, td { padding: .4rem; }
}