/* ---------------------------------------------------------------------------
   app.css — the data-entry workspace: the bank switcher, the field panel and
   the live A4 preview beside it. Design tokens come from ui.css; the printed
   sheet itself is form.css and nothing here touches it.
--------------------------------------------------------------------------- */

#viewForm {
  display: flex;
  flex-direction: column;
  height: 100vh;
}
#viewForm[hidden] { display: none !important; }

/* On a desktop the workspace fills the window exactly and the two columns do
   all the scrolling, so the window itself must not scroll as well. */
@media (min-width: 901px) {
  body.workspace { overflow: hidden; }
}

/* --- top bar -------------------------------------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  flex: none;
  padding: 9px 18px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  z-index: 5;
}

.topbar > .back { flex: none; font-weight: 600; }
.topbar > .back svg { transition: transform .18s; }
.topbar > .back:hover svg { transform: translateX(-3px); }

/* --- breadcrumb ----------------------------------------------------------- */

.crumbs { display: flex; align-items: center; gap: 7px; font-size: 14px; }
.crumbs .sep { color: var(--faint); font-size: 12px; }
.crumb {
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: var(--muted);
  cursor: pointer;
  transition: color .15s;
}
.crumb:hover { color: var(--accent-2); text-decoration: underline; }
.crumb:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; border-radius: 4px; }
.crumb.now {
  cursor: default;
  color: var(--text);
  font-weight: 650;
  letter-spacing: -.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 34ch;
}

@media (max-width: 760px) { .crumbs .sep, .crumbs .crumb:not(.now) { display: none; } }

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand img {
  height: 32px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  background: #fff;
  padding: 3px 6px;
  border-radius: 6px;
  border: 1px solid var(--line);
}
.brand > div { min-width: 0; }
.brand p { margin: 2px 0 0; font-size: 11.5px; color: var(--muted); }

.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* --- is this entry in the register? -------------------------------------- */

.save-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card-2);
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}
.save-state::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--faint);
  flex: none;
}
.save-state.is-saved { color: var(--good); border-color: rgba(12, 163, 12, .45); }
.save-state.is-saved::before { background: var(--good); }
.save-state.is-changed { color: #b07d00; border-color: rgba(250, 178, 25, .5); }
.save-state.is-changed::before { background: #fab219; }

@media (max-width: 1000px) { .save-state { display: none; } }

/* --- bank switcher -------------------------------------------------------- */

.banks {
  display: flex;
  gap: 3px;
  padding: 3px;
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.bank {
  border: 0;
  background: transparent;
  border-radius: 999px;
  padding: 7px 15px;
  font: inherit;
  font-size: 12.5px;
  font-weight: 550;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, color .15s;
}
.bank:hover { color: var(--text); }
.bank.on { background: var(--hue, var(--accent)); color: #fff; }
.bank:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }
.bank[data-bank="mtb"] { --hue: var(--mtb); }
.bank[data-bank="jbl"] { --hue: var(--jbl); }
.bank[data-bank="mdb"] { --hue: var(--mdb); }

.bankform, .sheets { display: none; }
.bankform.on { display: block; }
.sheets.on { display: flex; flex-direction: column; gap: 24px; }

/* --- layout --------------------------------------------------------------- */

#viewForm > main {
  display: grid;
  grid-template-columns: minmax(360px, 440px) 1fr;
  grid-template-rows: minmax(0, 1fr);     /* the two columns scroll, not the page */
  gap: 0;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.panel {
  overflow-y: auto;
  padding: 18px 20px 60px;
  background: var(--card);
  border-right: 1px solid var(--line);
}

.preview {
  overflow: auto;
  padding: 24px;
  background: var(--bg);
}

@media (max-width: 900px) {
  #viewForm { height: auto; min-height: 100vh; }
  #viewForm > main {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    overflow: visible;
  }
  .panel { border-right: 0; border-bottom: 1px solid var(--line); overflow: visible; }
  .preview { overflow-x: auto; }
}

/* --- the field panel ------------------------------------------------------ */

fieldset {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px 16px;
  margin: 0 0 16px;
}

legend {
  padding: 0 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--hue, var(--accent));
}
.bankform[data-bank="mtb"] legend { --hue: var(--mtb); }
.bankform[data-bank="jbl"] legend { --hue: var(--jbl); }
.bankform[data-bank="mdb"] legend { --hue: var(--mdb); }

label, .field { display: block; margin-bottom: 10px; font-size: 12.5px; color: var(--muted); }
.lbl { display: block; margin-bottom: 6px; }
.hint { font-weight: 400; font-size: 11px; opacity: .78; }

.panel input[type=text],
.panel input:not([type]),
.panel input[type=date],
.panel input[type=time] {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  font: inherit;
  font-size: 13.5px;
  color: var(--text);
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.panel input:focus {
  outline: 0;
  background: var(--card);
  border-color: var(--ring);
  box-shadow: 0 0 0 3px rgba(42, 120, 214, .2);
}
input.mono { font-family: "Cascadia Mono", Consolas, ui-monospace, monospace; letter-spacing: .04em; }
input.up { text-transform: uppercase; }
input.sub { margin-top: 8px; font-size: 13px; }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.two > label { margin-bottom: 10px; }

.radios { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { margin: 0; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-block;
  padding: 5px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  transition: background .15s, color .15s, border-color .15s;
}
.chip span:hover { border-color: var(--accent); color: var(--text); }
.chip input:checked + span { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip input:focus-visible + span { outline: 2px solid var(--ring); outline-offset: 2px; }

.saved { margin: 0; font-size: 11.5px; color: var(--faint); text-align: center; }

/* --- paper preview -------------------------------------------------------- */

#paperWrap { margin: 0 auto; }
#paper { display: block; }
.page { box-shadow: var(--shadow-2); border-radius: 2px; }

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

#busy {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: rgba(8, 14, 24, .58);
  color: #fff;
  backdrop-filter: blur(2px);
}
#busy[hidden] { display: none; }
#busy p { margin: 0; font-size: 14px; }
.spin {
  width: 34px; height: 34px;
  border: 3px solid rgba(255, 255, 255, .3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }