/* docs/21_WebDashboard.md §5. Plain CSS, no build step.
 *
 * Light and dark are both chosen, not one flipped into the other: the
 * chart hues are separate validated steps per mode (see charts.js).
 */

:root {
  --surface: #fcfcfb;
  --surface-raised: #ffffff;
  --border: #e2e0dc;
  --ink: #1d1c1a;
  --ink-muted: #6b6862;
  --series-1: #2f6f9f;
  --series-2: #c4703a;
  --good: #2e7d4f;
  --warn: #a1651a;
  --bad: #b3261e;
  --radius: 10px;
  --shadow: 0 1px 2px rgb(0 0 0 / 6%), 0 4px 12px rgb(0 0 0 / 4%);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --surface: #1a1a19;
    --surface-raised: #232322;
    --border: #35342f;
    --ink: #f0efe9;
    --ink-muted: #a3a099;
    --series-1: #4a90d9;
    --series-2: #d4793f;
    --good: #58b27a;
    --warn: #d3a24a;
    --bad: #e2725f;
    --shadow: none;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

/* The `hidden` attribute hides an element by way of the user-agent's
 * `display: none`, which ANY author `display` declaration outranks.
 * `.login` and `.page` both set `display: grid`, so hiding them did
 * nothing: signing in worked, fetched the data and swapped the panels,
 * and the login screen stayed on top of it all -- indistinguishable
 * from a login that failed. This is the fix, and it has to stay above
 * every layout rule that sets `display`. */
[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font:
    15px/1.5 ui-sans-serif,
    system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
}

h1,
h2 {
  margin: 0;
  font-weight: 600;
}

h1 {
  font-size: 1.4rem;
}

h2 {
  font-size: 1rem;
  letter-spacing: 0.01em;
}

.muted {
  color: var(--ink-muted);
  font-size: 0.86rem;
  margin: 0.15rem 0 0;
}

.error {
  color: var(--bad);
  font-size: 0.88rem;
}

/* ---------------------------------------------------------- login */

.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.login-card {
  width: min(380px, 100%);
  display: grid;
  gap: 0.55rem;
}

.login-card label {
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-top: 0.4rem;
}

input,
button,
select {
  font: inherit;
}

input {
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
}

button {
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  background: var(--series-1);
  color: #fff;
  font-weight: 550;
}

button.link {
  background: none;
  color: var(--ink-muted);
  padding: 0.3rem 0.4rem;
  font-weight: 400;
}

button.link:hover {
  color: var(--ink);
}

/* ---------------------------------------------------------- shell */

.topbar {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 0.7rem 1.1rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-raised);
  position: sticky;
  top: 0;
  z-index: 5;
  flex-wrap: wrap;
}

.brand {
  font-weight: 650;
  letter-spacing: -0.01em;
}

#nav {
  display: flex;
  gap: 0.2rem;
  flex-wrap: wrap;
}

#nav button {
  background: none;
  color: var(--ink-muted);
  padding: 0.35rem 0.65rem;
  font-weight: 500;
}

#nav button.active {
  background: color-mix(in oklab, var(--series-1) 14%, transparent);
  color: var(--ink);
}

.topbar-end {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

main#pages {
  padding: 1.1rem;
  display: grid;
  gap: 1.1rem;
  max-width: 1180px;
  margin: 0 auto;
}

.page {
  display: grid;
  gap: 1.1rem;
}

.card {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  margin: 0;
}

.card-head {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 0.6rem;
}

.grid-2 {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
}

/* ------------------------------------------------------------ kpi */

.kpi-row {
  display: grid;
  gap: 0.8rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.kpi {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
}

.kpi .label {
  color: var(--ink-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi .value {
  font-size: 1.45rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  margin-top: 0.2rem;
}

.kpi .value.negative {
  color: var(--bad);
}

.kpi .sub {
  color: var(--ink-muted);
  font-size: 0.8rem;
}

/* --------------------------------------------------------- charts */

figure.card figcaption {
  margin-bottom: 0.5rem;
}

.chart {
  position: relative;
}

.svg-chart {
  width: 100%;
  height: auto;
  overflow: visible;
}

.grid {
  stroke: var(--border);
  stroke-width: 1;
}

.axis-zero {
  stroke: var(--ink-muted);
  stroke-width: 1;
}

.tick {
  fill: var(--ink-muted);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

.mark-label {
  fill: var(--ink);
  font-size: 11px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.bar {
  transition: opacity 0.12s ease;
}

.bar:hover {
  opacity: 0.82;
}

.bar-profit,
.series-1 {
  fill: var(--series-1);
}

.bar-loss {
  fill: var(--bad);
}

.series-2 {
  fill: var(--series-2);
}

.legend {
  display: flex;
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.legend li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.swatch {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  display: inline-block;
}

.swatch.series-1 {
  background: var(--series-1);
}

.swatch.series-2 {
  background: var(--series-2);
}

.tip {
  position: absolute;
  transform: translate(-50%, -130%);
  background: var(--ink);
  color: var(--surface);
  padding: 0.4rem 0.55rem;
  border-radius: 6px;
  font-size: 0.8rem;
  pointer-events: none;
  white-space: nowrap;
  z-index: 3;
}

/* --------------------------------------------------------- tables */

.table-scroll {
  overflow-x: auto;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.88rem;
}

th,
td {
  text-align: left;
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  color: var(--ink-muted);
  font-weight: 550;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

tr.clickable {
  cursor: pointer;
}

tr.clickable:hover td {
  background: color-mix(in oklab, var(--series-1) 8%, transparent);
}

.pill {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 600;
}

.pill.bad {
  background: color-mix(in oklab, var(--bad) 18%, transparent);
  color: var(--bad);
}

.pill.warn {
  background: color-mix(in oklab, var(--warn) 20%, transparent);
  color: var(--warn);
}

.pill.good {
  background: color-mix(in oklab, var(--good) 18%, transparent);
  color: var(--good);
}

/* --------------------------------------------- purchase detail */

.detail-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}

.scan-beside {
  display: grid;
  gap: 1.2rem;
  /* Two explicit tracks rather than auto-fit: the lines table and the
     scan are meant to be read against each other, so they only stack
     when there genuinely isn't room. */
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  align-items: start;
}

/* A grid item's default `min-width: auto` refuses to shrink below its
   content. The lines table sets `white-space: nowrap`, so it stayed at
   full width and the scan was laid on top of it. */
.scan-beside > * {
  min-width: 0;
}

@media (max-width: 900px) {
  .scan-beside {
    grid-template-columns: minmax(0, 1fr);
  }
}

.scan-beside img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  /* the sheet stays in view while the lines are scrolled past it --
     the whole point of the page is comparing the two */
  position: sticky;
  top: 4.5rem;
  cursor: zoom-in;
}

.scan-beside img.zoomed {
  position: static;
  cursor: zoom-out;
  width: auto;
  max-width: none;
}

.scan-pane {
  overflow-x: auto;
}

/* ------------------------------------------------------- our sheet */

/* The document as the partners read it, drawn from the same build the
   download button produces -- docs/28 §2.3. */

.sheet {
  display: grid;
  gap: 0.6rem;
}

.sheet-caption {
  font-weight: 600;
  font-size: 0.9rem;
}

/* A changed document has to look changed before the reader reaches a
   single number. Nineteen corrections listed below the TOTAL were read,
   in practice, as no corrections at all. */
.sheet-banner {
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  background: color-mix(in oklab, var(--warn) 18%, transparent);
  color: var(--warn);
  border: 1px solid color-mix(in oklab, var(--warn) 40%, transparent);
}

/* Tinting the whole row, not just its note: at 52 lines the eye finds a
   band of colour and would never find one marked cell. */
.sheet tr.changed td {
  background: color-mix(in oklab, var(--warn) 12%, transparent);
}

.sheet tr.totals td {
  font-weight: 700;
  border-top: 2px solid var(--border);
}

.sheet-notes,
.sheet-history {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-muted);
  font-size: 0.82rem;
  display: grid;
  gap: 0.15rem;
}

.sheet details summary {
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-muted);
}

/* ---------------------------------------------------------- overlay */

/* A payment receipt is reached from a ledger row and from a payables
   row; giving it a page of its own would mean navigating away from the
   list you are working through. */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgb(0 0 0 / 45%);
  display: grid;
  place-items: start center;
  padding: 3rem 1rem;
  overflow-y: auto;
}

.overlay-card {
  width: min(920px, 100%);
  max-height: 100%;
  overflow-y: auto;
}

/* ------------------------------------------------- audit detail */

.filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filters select,
.filters input {
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.86rem;
}

td.summary {
  white-space: normal;
  color: var(--ink-muted);
}

td.summary b {
  color: var(--ink);
  font-weight: 600;
}

tr.detail-row > td {
  background: color-mix(in oklab, var(--series-1) 6%, transparent);
  white-space: normal;
}

.record-grid {
  display: grid;
  grid-template-columns: minmax(120px, max-content) 1fr;
  gap: 0.2rem 1rem;
  font-size: 0.85rem;
  align-items: baseline;
}

.record-grid .field {
  color: var(--ink-muted);
}

.change-grid {
  display: grid;
  grid-template-columns: minmax(120px, max-content) 1fr 1fr;
  gap: 0.2rem 1rem;
  font-size: 0.85rem;
  align-items: baseline;
}

.change-grid .head {
  color: var(--ink-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.change-grid .field {
  color: var(--ink-muted);
}

.change-grid .changed {
  color: var(--ink);
  font-weight: 600;
}

.change-grid .was {
  color: var(--ink-muted);
  text-decoration: line-through;
}

.banner {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--surface);
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  font-size: 0.86rem;
  z-index: 20;
}