/* Bonos de fotocopias · ContraPC — móvil primero */
:root {
  --azul: #0189F9; --azul-osc: #0670c9; --tinta: #111827; --gris: #6b7280; --linea: #e5e7eb;
  --fondo: #f3f5f8; --blanco: #fff; --ok: #15803d; --warn: #b45309; --err: #b91c1c; --wa: #25D366;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--fondo); color: var(--tinta); font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--azul); }
h1 { font-size: 1.45rem; margin: 0 0 .5rem; letter-spacing: -.01em; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; }
h3 { font-size: .95rem; margin: 1rem 0 .4rem; color: var(--gris); }
p { margin: .5rem 0; }
code { background: #eef2f7; padding: 2px 5px; border-radius: 4px; font-size: .85em; word-break: break-all; }
.muted { color: var(--gris); }
.small { font-size: .85rem; }
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.pos { color: var(--ok); }
.neg { color: var(--err); }
.warn { color: var(--warn); }

/* cabecera */
.top { background: var(--blanco); border-bottom: 1px solid var(--linea); padding: 10px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.brand { text-decoration: none; color: inherit; display: flex; align-items: baseline; gap: 8px; }
.brand .logo { font-weight: 800; color: var(--azul); font-size: 1.15rem; letter-spacing: -.02em; }
.brand .app { color: var(--gris); font-size: .9rem; }
.nav { display: flex; align-items: center; gap: 12px; }
.nav a { text-decoration: none; font-weight: 600; }
.inline { display: inline; }
button.link { background: none; border: 0; padding: 0; color: var(--azul); font: inherit; cursor: pointer; text-decoration: underline; }
button.link.danger { color: var(--err); }

.wrap { max-width: 760px; margin: 0 auto; padding: 16px 16px 40px; }
.foot { text-align: center; color: var(--gris); font-size: .8rem; padding: 12px 16px 28px; }
.foot a { color: var(--gris); }

/* tarjetas */
.card { background: var(--blanco); border: 1px solid var(--linea); border-radius: 14px; padding: 16px; margin-bottom: 14px; }
.card.narrow { max-width: 480px; margin-left: auto; margin-right: auto; }
.card.accent { border-color: var(--azul); box-shadow: 0 0 0 3px rgba(1,137,249,.10); }
details.card > summary { cursor: pointer; list-style: none; display: flex; align-items: center; }
details.card > summary::-webkit-details-marker { display: none; }
details.card > summary h2 { margin: 0; }
details.card > summary::after { content: "+"; margin-left: auto; color: var(--gris); font-size: 1.3rem; }
details.card[open] > summary::after { content: "–"; }
details.card[open] > summary { margin-bottom: .75rem; }

.head { display: flex; justify-content: space-between; gap: 14px; align-items: flex-start; flex-wrap: wrap; }
.head h1 { margin-bottom: .2rem; }
.tag { display: inline-block; font-size: .75rem; padding: 1px 8px; border-radius: 999px; background: #eef2f7; color: var(--gris); }
.tag.ok { background: #dcfce7; color: var(--ok); }
.tag.pend { background: #ffedd5; color: var(--warn); }

/* saldo */
.saldo { text-align: center; padding: 10px 14px; border-radius: 12px; background: #f0f7ff; min-width: 150px; }
.saldo b { display: block; font-size: 2.4rem; line-height: 1; color: var(--azul); letter-spacing: -.03em; }
.saldo span { display: block; font-size: .78rem; color: var(--gris); margin-top: 4px; }
.saldo.warn b { color: var(--warn); } .saldo.warn { background: #fff7ed; }
.saldo.neg b { color: var(--err); } .saldo.neg { background: #fef2f2; }
.saldo.none b { color: var(--gris); } .saldo.none { background: #f3f4f6; }
.saldo.big { padding: 22px 16px; }
.saldo.big b { font-size: 4.2rem; }
.saldo.big span { font-size: .95rem; }
.hero .hi { font-size: 1.2rem; font-weight: 600; margin: 0 0 10px; }
.warn-text { color: var(--warn); font-weight: 600; margin: 10px 0 0; }

/* formularios */
label { display: block; font-weight: 600; font-size: .9rem; margin: 10px 0; }
label .muted { font-weight: 400; }
input[type=text], input[type=tel], input[type=email], input[type=number], input[type=password], input[type=search], select {
  display: block; width: 100%; margin-top: 4px; padding: 12px 12px; font: inherit; border: 1px solid #cbd5e1; border-radius: 10px; background: #fff; color: inherit;
}
input:focus, select:focus { outline: 2px solid var(--azul); outline-offset: 1px; border-color: var(--azul); }
label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; font-size: .88rem; line-height: 1.4; }
label.check input { margin-top: 3px; width: 20px; height: 20px; flex: 0 0 20px; }
fieldset { border: 1px solid var(--linea); border-radius: 12px; padding: 4px 14px 12px; margin: 14px 0; }
legend { font-weight: 700; padding: 0 6px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .row { grid-template-columns: 1fr; } }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 4px 0 10px; }
.chip { font: inherit; font-size: .9rem; padding: 8px 14px; border-radius: 999px; border: 1px solid #cbd5e1; background: #fff; cursor: pointer; }
.chip.on, .chip:hover { border-color: var(--azul); color: var(--azul); background: #f0f7ff; }

.btn { display: inline-block; background: var(--azul); color: #fff; border: 1px solid var(--azul); border-radius: 10px; padding: 12px 18px; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; text-align: center; }
.btn:hover { background: var(--azul-osc); }
.btn.big { width: 100%; padding: 15px; font-size: 1.05rem; margin-top: 8px; }
.btn.small { padding: 7px 12px; font-size: .85rem; border-radius: 8px; }
.btn.ghost { background: #fff; color: var(--azul); }
.btn.ghost:hover { background: #f0f7ff; }
.btn.wa { background: var(--wa); border-color: var(--wa); }
.btn.wa:hover { background: #1fb457; }

.search { display: flex; gap: 8px; margin-bottom: 4px; }
.search input { margin: 0; flex: 1; }
.consumo { display: grid; grid-template-columns: 1fr; gap: 4px; }
.consumo input[name=cantidad] { font-size: 1.8rem; text-align: center; padding: 10px; font-weight: 700; }
@media (min-width: 560px) { .consumo { grid-template-columns: 180px 1fr auto; align-items: end; } .consumo .btn.big { width: auto; margin: 10px 0; } }

.actions .btns { display: flex; flex-wrap: wrap; gap: 10px; align-items: stretch; }
.inline-email { display: flex; gap: 6px; flex: 1 1 280px; }
.inline-email input { margin: 0; min-width: 0; }
.qrbox { display: flex; gap: 16px; align-items: center; margin-top: 14px; flex-wrap: wrap; }
#qr { width: 180px; max-width: 100%; flex: 0 0 auto; }
#qr svg { width: 100%; height: auto; display: block; border-radius: 8px; border: 1px solid var(--linea); }
.center #qr { margin: 0 auto 8px; width: 240px; }
.qrbox > div:last-child { flex: 1 1 220px; }

/* stats y tablas */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 12px 0 14px; }
@media (max-width: 560px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat { background: #fff; border: 1px solid var(--linea); border-radius: 12px; padding: 12px; text-align: center; }
.stat b { display: block; font-size: 1.5rem; color: var(--azul); line-height: 1.1; }
.stat span { font-size: .78rem; color: var(--gris); }

.tbl { width: 100%; border-collapse: collapse; font-size: .92rem; }
.tbl td { padding: 9px 6px; border-top: 1px solid var(--linea); vertical-align: top; }
.tbl tr:first-child td { border-top: 0; }
.tbl.small td { font-size: .85rem; padding: 6px 4px; }
.tbl .name { font-weight: 600; text-decoration: none; }
.tbl tr.anulado td { text-decoration: line-through; color: var(--gris); }
.tbl tr.anulado td .link { text-decoration: none; }
.tbl tr.viejo td { color: var(--gris); }
.clientes td:last-child { text-align: right; }

/* avisos */
.flash { padding: 12px 14px; border-radius: 10px; margin-bottom: 12px; background: #dcfce7; color: #166534; font-weight: 500; }
.flash.err { background: #fee2e2; color: #991b1b; }
.flash.warn { background: #ffedd5; color: #9a3412; }

/* ---------- tarjeta imprimible (85 × 55 mm) ---------- */
body.tarjeta-page { display: flex; flex-direction: column; align-items: center; padding: 20px; background: #eef1f5; }
.tarjeta-page .tools { margin-bottom: 14px; display: flex; gap: 8px; }
.tarjeta-page .tools button, .tarjeta-page .tools a { font: inherit; padding: 10px 16px; border-radius: 8px; border: 1px solid var(--azul); background: var(--azul); color: #fff; text-decoration: none; cursor: pointer; }
.tarjeta-page .tools a { background: #fff; color: var(--azul); }
.tarjeta { width: 85mm; min-height: 55mm; background: #fff; border-radius: 10px; padding: 6mm; display: flex; gap: 5mm; align-items: center; box-shadow: 0 6px 24px rgba(0,0,0,.12); border: 1px solid #dfe3e8; color: #111; }
.tarjeta-page #qr { width: 38mm; height: 38mm; flex: 0 0 38mm; max-width: none; }
.tarjeta-page #qr svg { width: 100%; height: 100%; display: block; border: 0; border-radius: 0; }
.tarjeta .txt { flex: 1; min-width: 0; }
.tarjeta .brand { font-weight: 800; color: var(--azul); font-size: 14pt; letter-spacing: -.3px; line-height: 1; }
.tarjeta .what { font-size: 8.5pt; color: #444; margin: 2px 0 6px; }
.tarjeta .name { font-weight: 700; font-size: 11pt; line-height: 1.15; word-break: break-word; }
.tarjeta .bono { font-size: 9pt; margin-top: 4px; color: #222; }
.tarjeta .how { font-size: 7pt; color: #666; margin-top: 6px; line-height: 1.25; }
.tarjeta .url { font-size: 6.5pt; color: #888; word-break: break-all; margin-top: 4px; font-family: ui-monospace, Menlo, Consolas, monospace; }
.tarjeta .foot { font-size: 6.5pt; color: #888; margin-top: 4px; padding: 0; text-align: left; }
.tarjeta .legal { font-size: 5pt; color: #999; margin-top: 4px; line-height: 1.2; }
@media print {
  body.tarjeta-page { background: #fff; padding: 0; }
  .tarjeta-page .tools { display: none; }
  .tarjeta { box-shadow: none; border: 1px dashed #bbb; }
  @page { margin: 8mm; }
}