/* Passbook. A credit union passbook: cloth-green cover with foil lettering, and
   ruled pages of green-tinted security paper printed in blue-black ink. The
   ruled ledger is the one bold thing; everything around it stays quiet. */

:root {
  --cover: #1f4a3a;
  --cover-deep: #173a2d;
  --foil: #d2bc78;
  --paper: #f1f5ee;
  --paper-deep: #e4ece0;
  --rule: #b7cab4;
  --ink: #1c2633;
  --ink-soft: #56665f;
  --stamp: #4a3d8f;
  --in: #2d6a3e;
  --warn: #7c5200;
  --warn-wash: #f5ead0;
  --danger: #9b2c2c;

  --sans: 'Archivo', system-ui, sans-serif;
  --mono: 'Courier Prime', 'Courier New', ui-monospace, monospace;
  --gutter: 16px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --cover: #143327;
    --cover-deep: #0e261d;
    --foil: #cdb873;
    --paper: #131c18;
    --paper-deep: #1a2620;
    --rule: #2f4239;
    --ink: #dde7e0;
    --ink-soft: #98a9a0;
    --stamp: #b4a8f5;
    --in: #88d09b;
    --warn: #e6bb62;
    --warn-wash: #2c2615;
    --danger: #f39b91;
    color-scheme: dark;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 1rem/1.5 var(--sans);
}

a {
  color: inherit;
  text-decoration-color: var(--rule);
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-color: currentColor;
}

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

h1,
h2 {
  font-stretch: 112%;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.5rem;
}

h1 {
  font-size: 1.5rem;
}

h2 {
  font-size: 1.125rem;
  margin-top: 2rem;
}

p {
  margin: 0 0 1rem;
  max-width: 65ch;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---- Cover band ------------------------------------------------------- */

.cover {
  background-color: var(--cover);
  /* a faint linen weave, as on a cloth-bound book */
  background-image:
    repeating-linear-gradient(0deg, rgb(255 255 255 / 0.03) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgb(0 0 0 / 0.06) 0 1px, transparent 1px 3px);
  color: var(--foil);
}

.masthead {
  max-width: 60rem;
  margin: 0 auto;
  padding: 0.75rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-stretch: 125%;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--foil);
}

.masthead nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.9375rem;
}

.masthead nav a,
.masthead nav button {
  color: var(--foil);
}

.masthead form {
  margin: 0;
}

/* ---- Page ------------------------------------------------------------- */

main {
  max-width: 60rem;
  margin: 0 auto;
  padding: 1.5rem var(--gutter) 4rem;
}

.narrow {
  max-width: 34rem;
}

.flash {
  border-left: 4px solid var(--in);
  background: var(--paper-deep);
  padding: 0.6rem 0.9rem;
  margin-bottom: 1.5rem;
  max-width: none;
}

.flash.error {
  border-left-color: var(--danger);
}

.hint {
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

/* ---- Balance ---------------------------------------------------------- */

.summary {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 2rem;
}

.summary .label {
  margin: 0;
  color: var(--ink-soft);
  font-weight: 600;
}

.balance {
  margin: 0;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(2.25rem, 9vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.balance.negative {
  color: var(--danger);
}

.synced {
  margin: 0.25rem 0 0;
  color: var(--ink-soft);
  font-size: 0.9375rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* ---- Buttons & forms -------------------------------------------------- */

.button,
button {
  font: inherit;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.5rem 1.1rem;
  border-radius: 3px;
  border: 1px solid var(--ink-soft);
  background: transparent;
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
}

.button.primary,
button.primary {
  background: var(--cover);
  border-color: var(--cover);
  color: var(--foil);
}

.button.primary:hover,
button.primary:hover {
  background: var(--cover-deep);
}

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

button.linkish {
  min-height: 0;
  padding: 0;
  border: 0;
  font-weight: 400;
  text-decoration: underline;
  text-decoration-color: rgb(210 188 120 / 0.4);
  text-underline-offset: 0.2em;
}

form.stack {
  display: grid;
  gap: 1.25rem;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field label,
legend {
  font-weight: 600;
}

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

input[type='text'],
input[type='password'],
input[type='date'],
select,
textarea {
  font: inherit;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--ink-soft);
  border-radius: 3px;
  padding: 0.6rem 0.7rem;
  width: 100%;
  min-height: 2.75rem;
}

input.amount {
  font-family: var(--mono);
  font-size: 1.125rem;
  max-width: 12rem;
}

input[type='date'] {
  max-width: 12rem;
}

textarea {
  font-family: var(--mono);
  font-size: 0.875rem;
  line-height: 1.4;
  min-height: 16rem;
  resize: vertical;
  /* ruled like the passbook page it's about to fill */
  background-image: repeating-linear-gradient(
    transparent 0 calc(1.4em - 1px),
    var(--paper-deep) calc(1.4em - 1px) 1.4em
  );
  background-attachment: local;
  background-position-y: 0.6rem;
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

legend {
  padding: 0;
  margin-bottom: 0.35rem;
}

.choice {
  display: flex;
  gap: 0.7rem;
  align-items: baseline;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--rule);
  border-radius: 3px;
  cursor: pointer;
}

.choice:has(input:checked) {
  border-color: var(--ink);
  background: var(--paper-deep);
}

.choice span {
  display: grid;
}

.choice small {
  color: var(--ink-soft);
  font-size: 0.875rem;
}

input[type='radio'],
input[type='checkbox'] {
  accent-color: var(--cover);
  width: 1.15rem;
  height: 1.15rem;
  margin: 0;
  flex: none;
}

.error-text {
  color: var(--danger);
  font-weight: 600;
}

/* ---- The ledger page -------------------------------------------------- */

.months {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: baseline;
  gap: 1rem;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.5rem;
}

.months h1 {
  margin: 0;
  font-size: 1.25rem;
  text-align: center;
}

.months a,
.months span {
  color: var(--ink-soft);
}

.months .next {
  text-align: right;
}

.ledger {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--mono);
  font-size: 0.9375rem;
}

.ledger th {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--ink-soft);
  text-align: left;
  padding: 0.6rem 0.6rem 0.4rem;
  border-bottom: 1px solid var(--rule);
}

.ledger td {
  padding: 0.55rem 0.6rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.ledger .num {
  text-align: right;
  white-space: nowrap;
}

/* the money columns are ruled off from the particulars, balance doubly so */
.ledger .out,
.ledger .in {
  border-left: 1px solid var(--rule);
  width: 7.5rem;
}

.ledger .bal {
  border-left: 3px double var(--rule);
  width: 8.5rem;
}

.ledger .date {
  white-space: nowrap;
  width: 5.5rem;
}

.ledger td.in {
  color: var(--in);
}

.ledger .part a {
  text-decoration: none;
}

.ledger .part a:hover {
  text-decoration: underline;
}

.ledger .meta {
  display: block;
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--ink-soft);
}

.ledger tr.voided td {
  color: var(--ink-soft);
}

.ledger tr.voided .amount-text,
.ledger tr.voided .part a {
  text-decoration: line-through;
}

.tag {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid currentColor;
  border-radius: 2px;
  padding: 0 0.3rem;
  margin-left: 0.35rem;
  white-space: nowrap;
}

.ledger tr.brought td {
  font-style: italic;
  color: var(--ink-soft);
  border-bottom: 0;
}

.ledger tr.opening td {
  font-weight: 700;
}

.empty {
  padding: 2rem 0;
  color: var(--ink-soft);
}

/* ---- Paste preview ---------------------------------------------------- */

.preview .pick {
  width: 2.5rem;
}

.preview tr.review {
  background: var(--warn-wash);
}

.preview .warning {
  display: block;
  font-family: var(--sans);
  font-size: 0.8125rem;
  color: var(--warn);
  font-weight: 600;
}

details {
  margin-top: 1.5rem;
  border-top: 1px solid var(--rule);
  padding-top: 0.75rem;
}

summary {
  cursor: pointer;
  font-weight: 600;
}

details .ledger {
  margin-top: 0.5rem;
}

.unreadable pre {
  font-family: var(--mono);
  font-size: 0.8125rem;
  background: var(--paper-deep);
  padding: 0.5rem 0.75rem;
  margin: 0.5rem 0;
  white-space: pre-wrap;
}

/* ---- Entry page ------------------------------------------------------- */

.facts {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.5rem 1.5rem;
  margin: 1.5rem 0 2rem;
}

.facts dt {
  color: var(--ink-soft);
}

.facts dd {
  margin: 0;
}

.facts .figure {
  font-family: var(--mono);
  font-weight: 700;
}

/* ---- Sign-in: the passbook cover -------------------------------------- */

body.signin {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: var(--gutter);
  background-color: var(--cover);
  background-image:
    repeating-linear-gradient(0deg, rgb(255 255 255 / 0.03) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgb(0 0 0 / 0.06) 0 1px, transparent 1px 3px);
}

.book {
  width: min(100%, 24rem);
  border: 1px solid rgb(210 188 120 / 0.45);
  outline: 1px solid rgb(210 188 120 / 0.2);
  outline-offset: -8px;
  padding: 3rem 1.75rem 2rem;
  text-align: center;
}

/* a single foil letter in a stamped ring, like a monogram on the cover */
.monogram {
  width: 6rem;
  height: 6rem;
  margin: 0 auto 2.5rem;
  display: grid;
  place-items: center;
  border: 1px solid rgb(210 188 120 / 0.6);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--cover), 0 0 0 5px rgb(210 188 120 / 0.25);
  color: var(--foil);
  font-stretch: 125%;
  font-weight: 800;
  font-size: 3rem;
  line-height: 1;
}

/* the paper name-label set into the cover */
.label-window {
  background: var(--paper);
  color: var(--ink);
  border-radius: 2px;
  padding: 1.25rem;
  text-align: left;
  box-shadow: inset 0 0 0 1px var(--rule);
}

.label-window form {
  gap: 1rem;
}

.label-window button {
  width: 100%;
}

/* ---- Narrow screens: each ledger row folds onto two lines ------------- */

@media (max-width: 640px) {
  .masthead nav {
    gap: 1rem;
  }

  .ledger thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .ledger tr {
    display: grid;
    grid-template-columns: 3.6rem minmax(0, 1fr) auto;
    grid-template-areas:
      'date part amt'
      'date part bal';
    column-gap: 0.6rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--rule);
  }

  .ledger td {
    display: block;
    padding: 0;
    border: 0;
    width: auto;
  }

  .ledger td.date {
    grid-area: date;
    white-space: normal;
  }

  .ledger td.part {
    grid-area: part;
    overflow-wrap: anywhere;
  }

  /* withdrawals and lodgements share one spot; only one is ever filled */
  .ledger td.out,
  .ledger td.in,
  .ledger td.amt {
    grid-area: amt;
    border: 0;
    width: auto;
  }

  .ledger td.out:not(:empty)::before {
    content: '−';
  }

  .ledger td.in:not(:empty)::before {
    content: '+';
  }

  .ledger td.bal {
    grid-area: bal;
    border: 0;
    width: auto;
    font-size: 0.8125rem;
    color: var(--ink-soft);
  }

  .preview tr {
    grid-template-columns: 2rem minmax(0, 1fr) auto;
    grid-template-areas:
      'pick part amt'
      'pick date date';
  }

  .preview td.pick {
    grid-area: pick;
    width: auto;
  }

  .preview td.date {
    grid-area: date;
    font-size: 0.8125rem;
    color: var(--ink-soft);
  }

  .facts {
    grid-template-columns: 1fr;
    gap: 0.1rem;
  }

  .facts dd {
    margin-bottom: 0.6rem;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .flash {
    animation: settle 0.5s ease-out;
  }

  @keyframes settle {
    from {
      opacity: 0;
      transform: translateY(-4px);
    }
  }
}

/* preview tables without a tick-box column */
@media (max-width: 640px) {
  .preview.static tr {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      'part amt'
      'date date';
  }
}