:root {
  color-scheme: light;
  --font-sans: 'Outfit', 'Avenir Next', 'Trebuchet MS', sans-serif;
  --font-display: 'Fraunces', 'Palatino Linotype', Palatino, serif;
  --color-paper: #efe6d4;
  --color-paper2: #f6efe2;
  --color-ink: #1a1612;
  --color-muted: #5c5348;
  --color-copper: #b8431f;
  --color-copperdeep: #8c3014;
  --color-steel: #14110e;
  --color-steel2: #2c261f;
  --color-pine: #234237;
  --color-rule: #c9b89a;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.45;
}

h1, h2, h3, .font-display { font-family: var(--font-display); font-weight: 560; }
h1 { font-size: clamp(2.1rem, 4vw, 3.3rem); line-height: 0.95; margin: 0 0 0.35rem; }
h2 { font-size: 1.7rem; margin: 0 0 0.6rem; }
p { margin: 0.3rem 0; }
a { color: var(--color-copperdeep); }

:focus-visible { outline: 2px solid var(--color-copper); outline-offset: 2px; }
::placeholder { color: #6e655a; }
.num { font-variant-numeric: tabular-nums; }
.der { text-align: right; }
.muted { color: var(--color-muted); }
.entre { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-end; flex-wrap: wrap; }
.rejilla { display: grid; gap: 1rem; }
.dos, .tres { display: grid; gap: 1rem; }
.pila { display: grid; gap: 0.7rem; }
.tarjeta { border: 1px solid var(--color-ink); background: color-mix(in srgb, var(--color-paper2) 80%, white); padding: 0.9rem 1rem; }
.tabla-cont { overflow-x: auto; }

@media (min-width: 900px) {
  .dos { grid-template-columns: minmax(0, 1.45fr) minmax(17rem, 0.7fr); }
  .tres { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dos-igual { grid-template-columns: 1fr 1fr; }
}

.marco { display: grid; grid-template-columns: 16rem minmax(0, 1fr); min-height: 100vh; }
.lado { background: var(--color-steel); color: var(--color-paper); padding: 1.1rem 0 1.4rem; position: sticky; top: 0; height: 100vh; overflow: auto; display: flex; flex-direction: column; }
.principal { padding: 1.3rem 1.3rem 3rem; }
.marca-lado { display: flex; gap: 0.8rem; align-items: center; padding: 0.2rem 1rem 1rem; }
.nav-lista { display: grid; }
.pie-lado { margin-top: auto; padding: 1rem; border-top: 1px solid color-mix(in srgb, var(--color-paper) 16%, transparent); }
.lado .boton-linea { color: var(--color-paper); border-color: color-mix(in srgb, var(--color-paper) 35%, transparent); width: 100%; }
.auth { max-width: 40rem; margin: 3rem auto; }

@media (max-width: 860px) {
  .marco { display: block; }
  .lado { position: static; height: auto; }
  .nav-lista { display: flex; flex-wrap: wrap; }
  .nav-item { border-left: 0; border-bottom: 3px solid transparent; }
  .nav-item-activo { border-bottom-color: var(--color-copper); }
}

.salto { position: absolute; left: 0.5rem; top: -4rem; z-index: 60; background: var(--color-copper); color: #fff; padding: 0.55rem 0.8rem; }
.salto:focus { top: 0.5rem; }
.libro { background-color: var(--color-paper); background-image: repeating-linear-gradient(to bottom, transparent 0, transparent 31px, color-mix(in srgb, var(--color-ink) 6%, transparent) 32px); }
.sello { width: 2.7rem; height: 2.7rem; display: grid; place-items: center; border: 2px solid var(--color-copper); border-radius: 50%; color: var(--color-copper); box-shadow: inset 0 0 0 3px color-mix(in srgb, var(--color-copper) 35%, transparent); font-family: var(--font-display); font-size: 1.35rem; transform: rotate(-8deg); }
.nav-item { display: flex; align-items: center; min-height: 44px; padding: 0 0.95rem; color: color-mix(in srgb, var(--color-paper) 76%, transparent); border-left: 3px solid transparent; text-decoration: none; }
.nav-item:hover { color: var(--color-paper); }
.nav-item-activo { color: var(--color-paper); border-left-color: var(--color-copper); background: color-mix(in srgb, var(--color-paper) 8%, transparent); }
.campo, .campo-caja input, .campo-caja select, .campo-caja textarea { width: 100%; min-height: 44px; border: 1px solid var(--color-ink); background: var(--color-paper2); color: var(--color-ink); padding: 0.45rem 0.7rem; font: inherit; font-size: 1rem; box-sizing: border-box; }
.campo-caja textarea { min-height: 5.5rem; resize: vertical; }
.campo-caja { display: grid; gap: 0.3rem; color: var(--color-muted); font-size: 0.92rem; }
.campo-caja > span { color: var(--color-ink); font-weight: 600; }
.boton { display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem; min-height: 44px; padding: 0.45rem 1rem; border: 1px solid var(--color-ink); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; background: var(--color-paper2); color: var(--color-ink); }
.boton:disabled { opacity: 0.45; cursor: not-allowed; }
.boton-cobre { background: var(--color-copper); border-color: var(--color-copperdeep); color: #fff; }
.boton-cobre:hover:not(:disabled) { background: var(--color-copperdeep); }
.boton-acero { background: var(--color-steel); border-color: var(--color-steel); color: var(--color-paper); }
.boton-linea { background: transparent; }
.boton-peligro { background: transparent; border-color: var(--color-copper); color: var(--color-copperdeep); }
.aviso { border-left: 3px solid var(--color-copper); background: color-mix(in srgb, var(--color-copper) 12%, var(--color-paper2)); padding: 0.7rem 0.9rem; margin: 0 0 0.8rem; }
.aviso-pine { border-left-color: var(--color-pine); background: color-mix(in srgb, var(--color-pine) 12%, var(--color-paper2)); }
.tabla { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.tabla th, .tabla td { background: color-mix(in srgb, var(--color-paper2) 88%, white); border-bottom: 1px solid var(--color-rule); padding: 0.55rem 0.65rem; text-align: left; vertical-align: top; }
.tabla th { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted); font-weight: 600; }
.fila-baja td { background: color-mix(in srgb, var(--color-copper) 14%, var(--color-paper2)); }
.ticket { position: relative; background: var(--color-paper2); color: var(--color-ink); border: 1px solid var(--color-ink); box-shadow: 6px 8px 0 var(--color-steel); padding: 1.15rem 1.1rem 1.15rem 1.45rem; }
.ticket::before { content: ''; position: absolute; inset: 0 auto 0 0; width: 14px; background: radial-gradient(circle at left, var(--color-paper) 5px, transparent 5.5px) left center / 14px 18px repeat-y; }
.total-pintado { font-family: var(--font-display); font-weight: 650; font-size: clamp(2.3rem, 5vw, 3.5rem); letter-spacing: -0.03em; line-height: 0.92; color: var(--color-copper); margin: 0.2rem 0; }
.leyenda { margin-top: 0.8rem; font-size: 0.78rem; color: var(--color-muted); }
.cdc { letter-spacing: 0.06em; word-break: break-all; }
.qr-sifen { width: 148px; height: auto; background: white; padding: 0.35rem; }
.sello-anulado { position: absolute; top: 42%; left: 12%; transform: rotate(-12deg); border: 3px solid var(--color-copper); color: var(--color-copper); font-family: var(--font-display); font-size: 1.8rem; letter-spacing: 0.14em; padding: 0.05rem 0.45rem; }
.dias { display: flex; align-items: flex-end; gap: 0.35rem; height: 8.5rem; }
.dia { flex: 1; background: var(--color-copper); min-width: 0; }
.dia span { display: block; font-size: 0.65rem; text-align: center; color: var(--color-muted); margin-top: 0.2rem; }
.check { display: flex; gap: 0.5rem; align-items: center; min-height: 44px; }
.linea-form { display: grid; gap: 0.4rem; grid-template-columns: minmax(0, 1.4fr) 6rem 8rem; }
@media (max-width: 640px) { .linea-form { grid-template-columns: 1fr; } }

@media print {
  body { background: white; }
  .no-imprimir { display: none !important; }
  .libro { background: white; }
  .marco { display: block; }
  .ticket { box-shadow: none; border: none; }
  .ticket::before { display: none; }
}