/* Unidades · estilos propios */
body { overflow: hidden; }
.shell {
  display: grid; height: 100dvh;
  grid-template-columns: 224px minmax(0, 1fr) 272px;
  grid-template-rows: 48px minmax(0, 1fr);
  grid-template-areas: "top top top" "cats conv side";
}
.topbar { grid-area: top; }
.topbar .top-actions { margin-left: 0; }

/* Barra rápida */
.quick { position: relative; flex: 0 1 640px; margin: 0 auto; display: flex; align-items: center; }
.quick > .ic { position: absolute; left: 11px; width: 15px; height: 15px; color: var(--text-3); pointer-events: none; }
.quick input {
  width: 100%; height: 32px; padding: 0 200px 0 34px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel); outline: none; font-size: 13px;
  transition: border-color .12s, box-shadow .12s;
}
.quick input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.quick kbd { position: absolute; right: 9px; pointer-events: none; }
.quick input:focus ~ kbd, .quick input:not(:placeholder-shown) ~ kbd { display: none; }
.quick output {
  position: absolute; right: 10px; max-width: 190px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: 12.5px; color: var(--text-3);
}
.quick output.ok { color: var(--text-2); cursor: copy; }
.quick output.ok span { font: 600 14px var(--mono); color: var(--accent); }
.quick output.bad { color: var(--danger); }

/* Magnitudes */
.cats { grid-area: cats; overflow: auto; padding: 10px 8px; border-right: 1px solid var(--border); display: flex; flex-direction: column; gap: 1px; }
.cat {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  height: 30px; padding: 0 10px; border: 0; border-radius: var(--r);
  background: none; text-align: left; color: var(--text-2);
}
.cat:hover { background: var(--hover); color: var(--text); }
.cat small { color: var(--text-3); font-variant-numeric: tabular-nums; }
.cat.on { background: var(--accent-soft); color: var(--accent); font-weight: 500; }
.cat.on small { color: var(--accent); opacity: .7; }

/* Conversor */
.conv { grid-area: conv; display: flex; flex-direction: column; min-width: 0; min-height: 0; padding: 18px 22px 12px; gap: 14px; }
.conv-h { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.conv-h h1 { margin: 0; font-size: 22px; font-weight: 600; letter-spacing: -.025em; }
.conv-h p { margin: 2px 0 0; }
.src-in { display: flex; gap: 8px; flex: 0 1 560px; }
.src-in #value { flex: 1 1 200px; min-width: 120px; font-size: 18px; font-weight: 500; }
.src-in select { flex: 1 1 220px; min-width: 0; font-size: 14px; }
.table-wrap { flex: 1; min-height: 0; overflow: auto; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; }
.units { width: 100%; border-collapse: collapse; }
.units th { position: sticky; top: 0; z-index: 1; height: 34px; padding: 0 12px; background: var(--panel); border-bottom: 1px solid var(--border); color: var(--text-3); font-size: 11px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; text-align: left; }
.units th.r, .units td.r { text-align: right; }
.units td { height: 40px; padding: 0 12px; border-bottom: 1px solid var(--border); }
.units tr:last-child td { border-bottom: 0; }
.units tbody tr[data-u] { cursor: pointer; transition: background-color .1s; }
@media (hover: hover) { .units tbody tr[data-u]:hover td { background: var(--hover); } }
.units tr.src td { background: var(--accent-soft); }
.units tr.src .name { color: var(--accent); font-weight: 600; }
.units tr.sep td { height: 6px; padding: 0; background: var(--sunken); }
.units .c-pin { width: 40px; padding: 0 0 0 10px; }
.units .c-act { width: 44px; padding: 0 8px 0 0; }
.units .name { width: 38%; font-weight: 500; white-space: nowrap; }
.units .sym { width: 14%; color: var(--text-3); font-family: var(--mono); font-size: 12px; white-space: nowrap; }
.units .val { font: 500 14px var(--mono); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.units .c-act .icon-btn { opacity: 0; }
.units tr:hover .c-act .icon-btn, .units .c-act .icon-btn:focus-visible { opacity: 1; }
.pin { display: grid; place-items: center; width: 24px; height: 24px; padding: 0; border: 0; border-radius: 4px; background: none; color: var(--border-2); }
.pin .ic { width: 14px; height: 14px; }
.pin:hover { color: var(--text-2); }
.pin.on { color: var(--star); }
.pin.on .ic { fill: currentColor; }
tr.flash-row td { animation: rowflash 1.6s var(--ease); }
@keyframes rowflash { 0%, 35% { background: color-mix(in srgb, var(--accent) 22%, transparent); } }
.foot-hint { margin: 0; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.foot-hint kbd { margin: 0 1px; }

/* Lateral */
.side { grid-area: side; display: flex; flex-direction: column; min-height: 0; border-left: 1px solid var(--border); overflow: auto; }
.side-sec { display: flex; flex-direction: column; gap: 12px; padding: 16px; border-bottom: 1px solid var(--border); }
.side-sec .sec-h { display: flex; align-items: center; justify-content: space-between; }
.grow-sec { flex: 1; border-bottom: 0; }
.hist { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.hist button { display: flex; flex-direction: column; gap: 1px; width: 100%; padding: 6px 8px; border: 0; border-radius: var(--r); background: none; text-align: left; }
.hist button:hover { background: var(--hover); }
.hq { font-size: 11.5px; color: var(--text-3); }
.hr { font: 500 12.5px var(--mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hist .empty { text-align: left; padding: 4px 0; }

@media (max-width: 1100px) {
  .shell { grid-template-columns: 200px minmax(0, 1fr); grid-template-areas: "top top" "cats conv"; }
  .side { display: none; }
}
@media (max-width: 760px) {
  body { overflow: auto; }
  .shell { height: auto; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto auto auto; grid-template-areas: "top" "cats" "conv" "side"; }
  .topbar { flex-wrap: wrap; height: auto; padding: 8px 12px; }
  .quick { order: 3; flex: 1 1 100%; }
  .quick input { padding-right: 12px; }
  .quick output { position: static; display: block; max-width: none; margin-top: 4px; }
  .quick { flex-direction: column; align-items: stretch; }
  .quick > .ic { top: 9px; }
  .cats { flex-direction: row; overflow-x: auto; border: 0; border-bottom: 1px solid var(--border); }
  .cat { flex: none; }
  .conv { padding: 14px 12px; }
  .side { display: flex; border: 0; border-top: 1px solid var(--border); }
}

/* ───────── Móvil: cada unidad es una fila de dos líneas (nombre y símbolo) con el valor a lo ancho ───────── */
@media (max-width: 600px) {
  .units, .units tbody { display: block; }
  .units thead { display: none; }
  .units tbody tr[data-u] { display: grid; grid-template-columns: 36px minmax(0, 1fr) minmax(0, 1.3fr) 40px; grid-template-areas: "pin name val act" "pin sym val act"; align-items: center; border-bottom: 1px solid var(--border); }
  .units tbody tr[data-u] td { display: block; height: auto; border: 0; background: none !important; }
  /* La unidad de origen: toda la fila resaltada de una pieza, con una marca a la izquierda */
  .units tbody tr[data-u].src { background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--accent); }
  .units tbody tr[data-u]:active { background: var(--hover); }
  .units .c-pin { grid-area: pin; width: auto; padding: 0 0 0 4px; }
  .units .name { grid-area: name; width: auto; padding: 10px 6px 0; white-space: normal; line-height: 1.25; }
  .units .sym { grid-area: sym; width: auto; padding: 2px 6px 10px; }
  .units .val { grid-area: val; padding: 8px 4px; text-align: right; overflow-wrap: anywhere; line-height: 1.35; }
  .units .c-act { grid-area: act; width: auto; padding: 0 4px 0 0; }
  .units tr.sep { display: block; height: 6px; background: var(--sunken); }
  .units tr.sep td { display: none; }
}
:root[data-input="touch"] .units .c-act .icon-btn { opacity: .7; }
:root[data-input="touch"] .units .pin { width: 36px; height: 40px; }
:root[data-input="touch"] .quick input { font-size: 16px; }
:root[data-input="touch"] .cat { min-height: 40px; }

/* Cocina: ingrediente */
.ing-field { max-width: 420px; margin: 0 0 10px; }
/* Bits */
.bits-box, .sizes-box { display: grid; gap: 10px; margin-top: 14px; }
.bits-h { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.bit-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.byte { display: grid; grid-template-columns: repeat(8, 28px); gap: 2px; }
.byte small { grid-column: 1 / -1; text-align: center; color: var(--text-3); font-size: 10.5px; font-family: var(--sans); }
.bit { height: 32px; border: 1px solid var(--border-2); border-radius: 6px; background: var(--panel); color: var(--text-3); font: 600 13px var(--mono); cursor: pointer; padding: 0; }
.bit.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.bits-box .kv { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.bits-box .err-line { margin: 0; color: var(--danger); font-size: 12.5px; }
/* Tallas */
.sz-tabs { flex-wrap: wrap; }
.sz-wrap { max-height: none; }
.units.sz th, .units.sz td { text-align: center; white-space: nowrap; }
.units.sz tbody tr { cursor: pointer; }
.units.sz tbody tr.on td { background: var(--accent-soft); font-weight: 600; }
:root[data-input="touch"] .byte { grid-template-columns: repeat(8, minmax(30px, 1fr)); }
:root[data-input="touch"] .bit { height: 40px; }
@media (max-width: 700px) { .byte { width: 100%; grid-template-columns: repeat(8, minmax(0, 1fr)); } }