:root {
  --bg: #12101a;
  --surface: #1c1930;
  --surface-2: #262240;
  --line: #37325a;
  --text: #f2effa;
  --muted: #a49dc4;
  --accent: #a855f7;
  --accent-soft: #6d28d9;
  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 560px;
  margin: 0 auto;
  padding: 16px 16px 96px;
}

header.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 0 18px;
}

header.top h1 {
  font-size: 1.25rem;
  margin: 0;
  letter-spacing: -0.01em;
}

.link-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.85rem;
  text-decoration: underline;
  cursor: pointer;
  padding: 4px;
}

/* ---- campos ---- */

.campo { margin-bottom: 20px; }

.campo > label,
.campo > .etiqueta {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}

.req { color: var(--accent); }

input[type="text"],
input[type="tel"],
input[type="number"],
input[type="password"],
input[type="date"],
textarea,
select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: var(--radius);
  padding: 14px;
  font-size: 1rem;
  font-family: inherit;
}

input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: transparent;
}

textarea { resize: vertical; min-height: 76px; }

/* ---- grupos de botones tipo chip ---- */

.opciones {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 8px;
}

.chip {
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: var(--radius);
  padding: 14px 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  min-height: 52px;
  transition: background 0.12s, border-color 0.12s;
}

.chip:active { transform: scale(0.98); }

.chip[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
}

/* ---- combos y adicionales ---- */

.combo {
  width: 100%;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: var(--radius);
  padding: 16px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 8px;
}

.combo[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.combo .precio { color: var(--muted); font-weight: 600; }
.combo[aria-pressed="true"] .precio { color: var(--text); }

.adicional {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 8px;
  cursor: pointer;
}

.adicional input { width: 22px; height: 22px; accent-color: var(--accent); flex: none; }
.adicional .nombre { flex: 1; font-weight: 600; }
.adicional .precio { color: var(--muted); }
.adicional:has(input:checked) { background: var(--surface-2); border-color: var(--accent); }

/* ---- total ---- */

.total-box {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.total-box .fila {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.total-box .moneda { font-size: 1.4rem; font-weight: 700; color: var(--muted); }

.total-box input {
  font-size: 1.6rem;
  font-weight: 700;
  text-align: right;
  background: transparent;
  border: none;
  padding: 0;
}

.total-box input:focus { outline: none; }

.sub {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 6px;
}

/* ---- envío principal ---- */

.enviar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--bg) 70%, transparent);
}

.enviar button {
  display: block;
  width: 100%;
  max-width: 528px;
  margin: 0 auto;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 18px;
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
}

.enviar button:disabled { opacity: 0.55; cursor: not-allowed; }

/* ---- avisos ---- */

.aviso {
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  font-weight: 600;
}
.aviso.ok { background: rgba(52,211,153,0.14); color: var(--ok); }
.aviso.error { background: rgba(248,113,113,0.14); color: var(--danger); }
.aviso[hidden] { display: none; }

/* ---- lista de registros recientes ---- */

.recientes { margin-top: 32px; }
.recientes h2 { font-size: 1rem; margin: 0 0 12px; }

.venta {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 10px;
}

.venta .cab {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}

.venta .wa { font-weight: 700; }
.venta .monto { font-weight: 700; }
.venta .meta { font-size: 0.8rem; color: var(--muted); margin-top: 4px; }

.etiqueta-envio {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
}
.etiqueta-envio.enviado { background: rgba(52,211,153,0.16); color: var(--ok); }

.venta .acciones { margin-top: 10px; display: flex; gap: 8px; }

.mini {
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.vacio { color: var(--muted); font-size: 0.9rem; }

/* ---- pantalla de PIN ---- */

.pin-pantalla {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.pin-caja { width: 100%; max-width: 320px; text-align: center; }
.pin-caja h1 { font-size: 1.3rem; margin: 0 0 8px; }
.pin-caja p { color: var(--muted); font-size: 0.9rem; margin: 0 0 24px; }
.pin-caja input { text-align: center; font-size: 1.5rem; letter-spacing: 0.3em; }
.pin-caja button {
  width: 100%;
  margin-top: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 16px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
}

[hidden] { display: none !important; }