/* =========================
   Variables y reset básico
   ========================= */
   :root {
    --bg: #4b7a46;
    --card: #fff;
    --text: #222;
    --accent: #bf0404;
    --muted: #666;
}

* { box-sizing: border-box; }

/* =========================
   Base tipográfica y layout
   ========================= */
body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    color: var(--text);
    background: url("fondo.png");
    background-size: cover;
    background-attachment: fixed;
}

.wrap {
    max-width: 560px;
    margin: 6vh auto;
    background: var(--card);
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.07);
}

/* =========================
   Títulos y textos
   ========================= */
h1 {
    margin: 0 0 6px;
    font-size: 1.6rem;
    text-align: center;
}

p.hint {
    margin: 0 0 18px;
    color: var(--muted);
    text-align: center;
}

/* =========================
   Formularios
   ========================= */
label {
    display: block;
    font-weight: 600;
    margin: 12px 0 6px;
}

input[type="number"],
select {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 10px;
    outline: none;
}

input[type="number"]:focus,
select:focus {
    border-color: var(--accent);
}

/* =========================
   Filas dinámicas
   ========================= */
.otras-row,
.colita-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    align-items: center;
    margin: 8px 0;
}

/* Botón ✕ compacto en filas */
.otras-row .btn-ghost,
.colita-row .btn-ghost {
    width: 42px;
    height: 42px;
    padding: 0;
    font-size: 1rem;
    line-height: 1;
}

/* =========================
   Botones
   ========================= */
.btn,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 12px;
    font-weight: 700;
    border: 0;
    border-radius: 10px;
    cursor: pointer;
}

.btn {
    background: var(--accent);
    color: #fff;
}

.btn:hover { opacity: 0.9; }

.btn-ghost {
    background: #f1f1f1;
    color: #333;
}

.btn-ghost:hover { background: #e7e7e7; }

.danger {
    background: #eee;
    color: #a00;
}

/* =========================
   Barras de acciones
   ========================= */
.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 14px;
}

/* Alinear a la derecha los "+ Agregar..." de cada sección */
#colitasContainer + .actions,
#otrasContainer + .actions {
    justify-content: flex-end;
}

/* Footer de acciones (Calcular/Limpiar):
   que se adapten a móvil (full width) */
#btnCalcular,
#btnLimpiar {
    flex: 1 1 100%;
}

/* En pantallas medianas+, ponerlos lado a lado con mismo ancho */
@media (min-width: 520px) {
    #btnCalcular,
    #btnLimpiar {
        flex: 1 1 0;
    }
}

/* =========================
   Bloque totales
   ========================= */
.totals {
    margin-top: 16px;
    padding: 12px;
    background: #f7f7f7;
    border-radius: 10px;
}

.totals b { display: inline-block; min-width: 140px; }

small.muted { color: var(--muted); }

/* =========================
   Accesibilidad (opcional)
   ========================= */
@media (prefers-reduced-motion: reduce) {
    .btn:hover { opacity: 1; }
}