/* The primary color is #3ddc97 with bold black text on it, in both modes. It's too light to be
   text on a light background, so links and focus rings use black there and it shows as fills
   and underlines instead. */
:root {
  --primary: #3ddc97;
  --on-primary: #000000;
  --bg: #f4f6f3;
  --card: #ffffff;
  --fg: #141613;
  --muted: #5f645d;
  --line: #d9ddd6;
  --raised: #e9ece6;
  --focus: #000000;
  --danger: #b3261e;
  --warning: #8a5300;
  --warning-bg: #fff4e0;
  --ok: #17663f;
  --ok-bg: #dcf7e9;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121412;
    --card: #1c1f1c;
    --fg: #eff2ee;
    --muted: #a2a89f;
    --line: #333832;
    --raised: #282c27;
    --focus: #3ddc97;
    --danger: #ff8a7a;
    --warning: #ffc266;
    --warning-bg: #3a2c12;
    --ok: #7be6b3;
    --ok-bg: #173628;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 1rem 1rem 4rem;
}

a {
  color: inherit;
  text-decoration-color: var(--primary);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

h1 { font-size: 1.6rem; line-height: 1.25; margin: 0.5rem 0 1rem; }
h2 { font-size: 1.2rem; margin: 1.75rem 0 0.75rem; }

.muted { color: var(--muted); }
.small { font-size: 0.875rem; }

/* --- Header ------------------------------------------------------------------------------ */

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  text-decoration: none;
}

.brand img { width: 2rem; height: 2rem; }

/* On a phone the links take their own row below the brand and the name. */
header nav {
  order: 3;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  width: 100%;
}

header nav a { font-weight: 600; text-decoration: none; padding: 0.25rem 0; }
header nav a:hover { text-decoration: underline var(--primary) 2px; }

@media (min-width: 40rem) {
  header nav { order: 0; width: auto; flex: 1; }
}

/* The account menu: the name with a chevron, opening a small panel below it. */
.menu { position: relative; margin-left: auto; }

.menu summary {
  list-style: none;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
}

.menu summary::-webkit-details-marker { display: none; }
.menu summary::after { content: " ▾"; color: var(--muted); }
.menu summary:hover, .menu[open] summary { background: var(--raised); }

.menu > div {
  position: absolute;
  right: 0;
  top: calc(100% + 0.25rem);
  z-index: 2;
  display: grid;
  min-width: 11rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--card);
  box-shadow: 0 4px 16px rgb(0 0 0 / 0.15);
}

.menu > div > * {
  padding: 0.5rem 0.75rem;
  border: 0;
  border-radius: 4px;
  font-weight: 400;
  text-align: left;
  text-decoration: none;
}

.menu > div > :hover { background: var(--raised); }

/* --- Controls ---------------------------------------------------------------------------- */

button, a.button {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  text-decoration: none;
  touch-action: manipulation;
}

button:hover, a.button:hover { background: var(--raised); }
button:disabled { opacity: 0.6; cursor: default; }

button.primary, a.button.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--on-primary);
  font-weight: 700;
}

button.primary:hover, a.button.primary:hover { filter: brightness(0.93); }

a.button.big {
  display: block;
  text-align: center;
  padding: 0.9rem;
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
}

button.danger { color: var(--danger); }

input, select, textarea {
  font: inherit;
  color: inherit;
  background: var(--card);
  width: 100%;
  min-height: 2.6rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
}

textarea { resize: vertical; }

.fields { display: grid; gap: 0.9rem; }

.field { display: grid; gap: 0.3rem; }
.field > span:first-child { font-weight: 600; }

/* Values already used, under a text field, to tap instead of typing. */
.suggestions { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.suggestions:not(:empty) { margin-top: 0.4rem; }
.suggestions button { padding: 0.3rem 0.75rem; border-radius: 999px; background: var(--raised); font-weight: 400; }

/* A checkbox with its label beside it, such as Refund. */
.check { display: flex; align-items: center; gap: 0.5rem; }
.check input { width: 1.25rem; height: 1.25rem; min-height: 0; margin: 0; }

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
}

.status { margin: 0; font-size: 0.875rem; }

.row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 0.75rem;
}

h1 + .row, .row > h1 { margin-top: 0; }

/* --- Badges ----------------------------------------------------------------------------- */

.badge {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.05rem 0.5rem;
  border-radius: 999px;
  background: var(--raised);
  color: var(--muted);
  white-space: nowrap;
}

.badge.documented { background: var(--ok-bg); color: var(--ok); }
.badge.missing { background: var(--warning-bg); color: var(--warning); }

/* --- Lists ------------------------------------------------------------------------------- */

.list { list-style: none; margin: 0; padding: 0; }

.list > li {
  display: grid;
  gap: 0.2rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}

.list > li > a { display: grid; gap: 0.2rem; text-decoration: none; }

/* An expense still missing a receipt or bill. */
.list > li.needs { background: var(--warning-bg); padding-inline: 0.75rem; }
.list > li.needs .badge.missing { background: var(--card); }
.list > li > a:hover strong { text-decoration: underline var(--primary) 3px; text-underline-offset: 4px; }

/* --- Files: an expense's receipt or bill, or a document's ------------------------------- */

.slot {
  padding: 0.75rem;
  border: 1px dashed var(--line);
  border-radius: 8px;
}

.slot .row { justify-content: flex-start; }
.slot select { width: auto; flex: 1; min-width: 12rem; }
.slot .status:not(:empty) { margin-top: 0.5rem; }

.files { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.slot .files:not(:empty) { margin-bottom: 0.75rem; }
.list .files { margin: 0.25rem 0; }
.files button { padding: 0.25rem 0.7rem; font-size: 0.9rem; }

.files figure { position: relative; display: flex; align-items: center; gap: 0.25rem; margin: 0; }

/* A photo uploaded here, shown small; tapped, at full width to check it's readable. */
.files img {
  display: block;
  width: 6rem;
  height: 8rem;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: zoom-in;
}

.files figure:has(img.big) { flex-basis: 100%; }
.files img.big { width: 100%; height: auto; object-fit: contain; cursor: zoom-out; }

.files figure:has(img) .remove { position: absolute; top: 0.25rem; right: 0.25rem; }

.files .remove {
  width: 1.75rem;
  height: 1.75rem;
  padding: 0;
  border-radius: 50%;
  background: var(--card);
  line-height: 1;
}