/* Cálculo · estilos propios */
:root { --series-1: #2a78d6; --series-2: #eb6834; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) { --series-1: #3987e5; --series-2: #d95926; } }
:root[data-theme="dark"] { --series-1: #3987e5; --series-2: #d95926; }

.topbar .top-actions { margin-left: 0; gap: 6px; }
.jump { display: flex; gap: 2px; margin: 0 auto; overflow: hidden; }
.jump a { padding: 5px 9px; border-radius: 6px; font-size: 12.5px; color: var(--text-2); text-decoration: none; white-space: nowrap; }
.jump a:hover { background: var(--hover); color: var(--text); }
.cur { display: flex; align-items: center; gap: 6px; margin-right: 4px; }
.cur .input { height: 28px; width: auto; font-size: 12px; }

/* Calculadora */
.display { display: flex; flex-direction: column; gap: 2px; padding: 12px 14px; border-radius: 10px; background: var(--sunken); border: 1px solid var(--border); }
.display:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.expr { width: 100%; border: 0; outline: 0; background: none; font: 500 18px var(--mono); color: var(--text); }
.expr::placeholder { color: var(--text-3); }
.expr-out { min-height: 34px; text-align: right; font: 600 26px var(--sans); letter-spacing: -.02em; font-variant-numeric: tabular-nums; color: var(--text); cursor: copy; overflow-wrap: anywhere; }
.expr-out.bad { font-size: 13px; font-weight: 500; color: var(--danger); letter-spacing: 0; padding-top: 10px; cursor: default; }
.keys { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 6px; }
.key { height: 42px; border: 1px solid var(--border); border-radius: 8px; background: var(--panel); font-size: 15px; font-weight: 500; font-variant-numeric: tabular-nums; transition: background-color .1s, transform .08s; }
.key:hover { background: var(--hover); }
.key:active { transform: scale(.96); }
.key.op { color: var(--accent); font-size: 17px; }
.key.fn { color: var(--text-2); font-size: 13.5px; background: var(--sunken); }
.key.fx { height: 32px; color: var(--text-2); font-size: 12px; background: var(--sunken); }
.key.eq { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-size: 18px; }
.key.eq:hover { background: var(--accent-hover); }
.hist-h { display: flex; align-items: center; justify-content: space-between; margin-top: 4px; }
.hist { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; max-height: 260px; overflow: auto; }
.hist button { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; width: 100%; padding: 6px 8px; border: 0; border-radius: 6px; background: none; text-align: left; }
.hist button:hover { background: var(--hover); }
.he { font: 400 12px var(--mono); color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hv { font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.hist .empty { text-align: left; padding: 4px 0; }

/* Porcentajes */
.pct { gap: 8px; }
.sent { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; padding: 8px 10px; border-radius: 8px; background: var(--sunken); font-size: 12.5px; color: var(--text-2); }
.sent .input { height: 28px; padding: 0 7px; text-align: right; font-variant-numeric: tabular-nums; }
.sent .input.s { width: 58px; }
.sent .input.m { width: 84px; }
.sent output { margin-left: auto; padding-left: 8px; font-size: 15px; font-weight: 600; color: var(--text); font-variant-numeric: tabular-nums; cursor: copy; }

.row.tight { align-items: center; gap: 6px; flex-wrap: wrap; }
.w80 { width: 84px; flex: none; }
.money { font-variant-numeric: tabular-nums; }

/* Préstamo e interés */
.loan { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 18px; }
.loan-in { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-content: start; }
.loan-out { display: flex; flex-direction: column; gap: 10px; }
.loan-out .big { font-size: 30px; }
.split { display: flex; gap: 2px; height: 10px; }
.split i { display: block; height: 100%; min-width: 4px; }
.split .sa { background: var(--series-1); border-radius: 4px 0 0 4px; }
.split .sb { background: var(--series-2); border-radius: 0 4px 4px 0; }
.split-l { display: flex; gap: 14px; font-size: 11.5px; color: var(--text-2); margin-top: -4px; }
.split-l span { display: inline-flex; align-items: center; gap: 6px; }
.split-l b { width: 8px; height: 8px; border-radius: 2px; }
.dot-a { background: var(--series-1); }
.dot-b { background: var(--series-2); }
.tbl-wrap { max-height: 280px; }

/* Regla de tres */
.r3 { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 8px 10px; align-items: center; }
.r3 span { color: var(--text-3); font-size: 12px; }
.r3 .input { text-align: right; font-variant-numeric: tabular-nums; }
.r3 output { height: 30px; display: flex; align-items: center; justify-content: flex-end; padding: 0 9px; border-radius: var(--r); background: var(--accent-soft); color: var(--accent); font-weight: 600; font-size: 15px; font-variant-numeric: tabular-nums; cursor: copy; }

@media (max-width: 1400px) { .jump a:nth-child(n+6) { display: none; } }
@media (max-width: 1100px) { .jump { display: none; } .topbar .top-actions { margin-left: auto; } }
@media (max-width: 760px) {
  .loan, .loan-in { grid-template-columns: minmax(0, 1fr); }
  .cur .muted { display: none; }
}

/* Pantallas táctiles: botón para abrir el teclado del móvil dentro del visor */
.display { position: relative; }
.kbd-toggle { position: absolute; left: 8px; bottom: 8px; display: grid; place-items: center; width: 36px; height: 36px; padding: 0; border: 0; border-radius: 8px; background: none; color: var(--text-3); }
.kbd-toggle .ic { width: 20px; height: 20px; }
.kbd-toggle[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent); }
:root[data-input="touch"] .keys button { min-height: 48px; font-size: 18px; }

/* ───────── Móvil: los accesos a cada calculadora, en una tira deslizable bajo la barra ───────── */
@media (max-width: 700px) {
  .topbar { flex-wrap: wrap; height: auto; padding: 6px 6px 0 10px; row-gap: 2px; }
  .topbar .top-actions { margin-left: auto; }
  .jump { display: flex; order: 3; flex: 1 1 100%; margin: 0 -6px 0 -10px; padding: 2px 10px 6px; overflow-x: auto; scrollbar-width: none; }
  .jump::-webkit-scrollbar { display: none; }
  .jump a { flex: none; display: inline-flex !important; }
  .cur .muted { display: none; }
  .cur .input { max-width: 112px; }
}
:root[data-input="touch"] .jump a { display: inline-flex; align-items: center; min-height: 36px; padding: 0 12px; border-radius: 18px; background: var(--sunken); font-size: 13.5px; }
:root[data-input="touch"] .cur .input { height: 38px; font-size: 16px; }